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  • av H C Thomas Rabe
    1 119,-

    Sperm Maturation and Oocyte Interaction.- Menstrual Cycle: Follicular Maturation.- Physiology of the Menstrual Cycle.- Human Gonadotropins.- Gonadotropin-Releasing Hormone: Agonists and Antagonists.- Ovarian Stimulation for In Vitro Fertilization: Past and Present.- Ovarian Hyperstimulation Syndrome.- Luteal Phase: Physiology and Pharmacotherapy.- An Andrological Approach to Assisted Reproduction.- Mammalian Sex Preselection: Flow-cytometric Sorting of X and Y Spermatozoa Based on DNA Difference.- Assessment of Oocyte and Early Embryo Morphology with Regard to Embryonic Development and the Outcome of Assisted Reproduction.- Predicting Embryo Development.- Cryoconservation: Sperms and Oocytes.- Microinjection.- In Vitro Fertilization.- Evolution of Pregnancies and Initial Follow-up of Newborns Delivered after lntracytoplasmic Sperm Injection.- Outcome of Children Born after In Vitro Fertilization (IVF) and lntracytoplasmic Sperm Injection (ICSI).- Laser in Assisted Reproduction.- Assisting Reproduction with the Use of Donor Eggs.- Oocyte Maturation In Vivo and In Vitro: Principles of Regulation.- Preimplantation Diagnosis.- Genetics in Assisted Reproduction - Basic Aspects and Clinical Perspectives.- The Role of Endoscopy in Congenital Abnormalities: Diagnosis and Treatment.- Endoscopic and Microsurgical Techniques in Reproductive Failure.- Micro-and Macroconsequences of Ooplasmic Injections of Early Haploid Male Gametes.- Artificial Intrauterine Insemination: Noninvasive Management of Subfertile Couples.

  • av Alexander Weinmann
    1 119,-

    I Introduction.- 1 Introductory Survey.- 2 Vector Norm. Matrix Norm. Matrix Measure.- 3 FUnctional Analysis, Function Norms and Control Signals.- II Differential Sensitivity. Small-Scale Perturbation.- 4 Kronecker Calculus in Control Theory.- 5 Analysis Using Matrices and Control Theory 79.- 6 Eigenvalue and Eigenvector Differential Sensitivity.- 7 Transition Matrix Differential Sensitivity.- 8 Characteristic Polynomial Differential Sensitivity.- 9 Optimal Control and Performance Sensitivity.- 10 Desensitizing Control.- III Robustness in the Time Domain.- 11 General Stability Bounds in Perturbed Systems.- 12 Robust Dynamic Interval Systems.- 13 Lyapunov-Based Methods for Perturbed Continuous-Time Systems.- 14 Lyapunov-Based Methods for Perturbed Discrete-Time Systems.- 15 Robust Pole Assignment.- 16 Models for Optimal and Interconnected Systems.- 17 Robust State Feedback Using Ellipsoid Sets.- 18 Robustness of Observers and Kalman-Bucy Filters.- 19 Initial Condition Perturbation, Overshoot and Robustness.- 20 Lpn-Stability and Robust Nonlinear Control.- IV Robustness in the Frequency Domain.- 21 Uncertain Polynomials. Interval Polynomials.- 22 Eigenvalues and Singular Values of Complex Matrices.- 23 Resolvent Matrix and Stability Radius.- 24 Robustness Via Singular-Value Analysis.- 25 Generalized Nyquist Stability of Perturbed Systems.- 26 Block-Structured Uncertainty and Structured Singular Value.- 27 Performance Robustness.- 28 Robust Controllers Via Spectral Radius Technique.- V Coprime Factorization and Minimax Frequency Optimization.- 29 Robustness Based on the Internal Model Principle.- 30 Parametrization and Factorization of Systems.- 31 Hardy Space Robust Design.- VI Robustness Via Approximative Models.- 32 Robust Hyperplane Design in Variable Structure Control.- 33 Singular Perturbations. Unmodelled High-Frequency Dynamics.- 34 Control Using Aggregation Models.- 35 Optimum Control of Approximate and Nonlinear Systems.- 36 System Analysis via Orthogonal Functions.- 37 System Analysis Via Pulse Functions and Piecewise Linear Functions.- 38 Orthogonal Decomposition Applications.- A Matrix Algebra and Control.- A.1 Matrix Multiplication.- A.2 Properties of Matrix Operations.- A.3 Diagonal Matrices.- A.4Triangular Matrices.- A.5 Column Matrices (Vectors) and Row Matrices.- A.6 Reduced Matrix, Minor, Cofactor, Adjoint.- A.7 Similar Matrices.- A.8 Some Properties of Determinants.- A.9 Singularity.- A.10 System of Linear Equations.- A.11 Stable Matrices.- A.12 Range Space. Rank. Null Space.- A.13 Trace.- A.14 Matrix Functions.- A.15 Metzler Matrices.- A.16 Projectors.- A.17 Projectors and Rank.- A.18 Projectors. Left-Inverse and Right-Inverse.- A.19 Trigonal Operator.- A.20 Transfer Function Zeros and Initial Step Transients.- A.21 Convolution Sum and TrigonalOperator.- B Eigenvalues and Eigenvectors.- B.1 Right-Eigenvectors.- B.2 Left-Eigenvectors.- B.3 Complex-Conjugate Eigenvalues.- B.4 Modal Matrix of Eigenvectors.- B.5 Complex Matrices.- B.6 Modal Decomposition.- B.7 Linear Differential Equations and Modal Transformations.- B.8 Eigenvalue Assignment.- B.9 Eigensystem Assignment.- B.10 Complete Modal Synthesis.- B.11 Vandermonde Matrix.- B.12 Decompostion into Eigenvectors.- B.13 Properties of Eigenvalues.- B.13.1 Smallest and Largest Eigenvalue of Symmetrie Matrices.- B.13.2 Eigenvalues and Trace.- B.13.3 Maximum Real Part of an Eigenvalue.- B.13.5 Adding the Identity Matrix.- B.13.6 Eigenvalues of Matrix Products.- B.13.7 Eigenvalue of a Matrix Polynomial.- B.13.8 Weyl Inequality.- B.14 Rayleigh's Theorem.- B.15 Eigenvalues and Eigenvectors of the Inverse.- B.16 Dyadic Decomposition (Spectral Representation).- B.17 Spectral Representation of the Exponential Matrix.- B.18 Perron-Frobenius Theorem.- B.19 Multiple Eigenvalues. Generalized Eigenvectors.- B.20 Jordan Canonical Form and Jordan Blocks.- B.21 Special Cases.- B.22 Fundamental Matrix.- B.23 Eigenvector Assignment.- B.23.1 Assignable Subspaces. Parametrization ...

  • Spar 15%
    - Laser Applications
    av Reinhart Poprawe
    1 682,-

    This book covers the application technology of lasers, focusing more on the vast range of processes than on individual applications, in order to motivate and enable future innovations. The physical basics are presented in the first half of the book. The following examination of application categories and their processes is documented by experts from their practical points of view but always refers back to the underlying physical principles. In this way, readers are free to choose their own individual level of depth in understanding this globally relevant field of innovation.This new edition of Tailored Light 2: Laser Applications birings the book up to date with the latest applications of laster technology.

  • Spar 13%
    - A Problem-Based Learning Approach
    av Gordon J Alderink
    1 103,-

    This new textbook uses a problem-based learning (PBL) approach for teaching the fundamentals of kinesiology and biomechanics to undergraduate and graduate students in the biomedical, rehabilitative, and exercise science fields. Case vignettes and problems for each major region of the body are presented - cervical spine, thoracic spine and rib cage, lumbar spine and pelvis, shoulder girdle, elbow/forearm, wrist, hand, hip, knee, and ankle/foot. For the cases on the spine and upper extremity, biomechanics of posture are included; for cases involving the hip, knee, and ankle/foot, an extensive study of gait analysis is also incorporated. These case vignettes are not preceded by chapters that provide foundational information. Rather, relevant anatomical, biomechanical, and other information needed to solve/explain each case are embedded in the relevant chapters presenting the clinical cases.

  • Spar 16%
    av Pedro M Arezes
    2 608,-

    This book gathers cutting-edge research and best practices relating to occupational risk and safety management, healthcare, and ergonomics. It covers strategies for different industries, such as construction, chemical and healthcare. It emphasizes challenges posed by automation, discusses solutions offered by technologies, and reports on case studies carried out in different countries. Chapters are based on selected contributions to the 20th International Symposium on Occupational Safety and Hygiene (SHO 2023), held on July 20-21, 2023, in Portugal, as a hybrid event. By reporting on different perspectives, such as the ones from managers, employees, and OSH professionals, and covering timely issues, such as implications of telework, issues related to gender inequality and applications of machine learning techniques in occupational health, this book offers extensive information and a source of inspiration to OSH researchers, practitioners and organizations operating in both local and global contexts.

  • - Liquefied Natural Gas in Application
    av Werner Hermeling
    1 090,-

    The most important physical principles as well as the engineering equipment (components, assemblies as well as their function) for the regasification and compression of cryogenic liquefied gases (incl. biogas / methane from recent sources) are presented in this book. Practical advice is given on possible plant layout and design. Safety-related as well as product-specific designs are pointed out and their solutions are described. The book contains numerous references and summaries. The author is an engineer of chemical plant engineering as well as heat, ventilation and air conditioning technology with many years of practical experience in the field of cryogenic liquefied gases, their transport, regasification and compression. He is the inventor of several patented and implemented solutions. This book is addressed to safety officers, plant operators, employees in direct contact with such plants as well as decision makers and approving authorities.

  • - 30 Years of Tam
    av Fred D Davis
    583,-

    This SpringerBrief discusses the origins, emergence, evolution, and future of the Technology Acceptance Model (TAM). TAM, simple yet powerful, has been extensively validated, standing as a leading scientific paradigm and a reliable model for explaining, predicting, and improving user acceptance across a spectrum of technological deployments. Over more than three decades since the introduction of TAM, numerous extensions have emerged, incorporating additional variables and collectively referred to as "TAM++". However, perceived usefulness and perceived ease of use remain the basic beliefs of the core TAM model. The introductory chapter "Once upon a TAM" focuses on the challenging search for a user acceptance crystal ball, showing that it is indeed possible to consistently predict, explain, and improve user acceptance. "Evolution of TAM" traces the model's growth and adaptability, exploring the proliferation of selected TAM-related behavioural intention models, several integrated theoretical approaches, the quest for other behavioural intention antecedents, and TAM's versatile applications in various contexts. "Revolution of TAM" presents an in-depth systematic review, encompassing a meta-analysis of selected TAM reviews and meta-analyses, and a narrative review of representative primary studies, providing a thorough and extensive understanding of the TAM universe. The epilogue "What will the Future of TAM be Like?" provides insights into its dynamic future. This SpringerBrief concludes with seven actionable principles, serving as a strategic guide for those aiming to customize the TAM++ body of knowledge for application-oriented studies within a particular context. This comprehensive overview of TAM is a valuable source of information for researchers, practitioners, and all interested readers, especially those new to the field.

  • Spar 16%
    - Proceedings of the UIA World Congress of Architects Copenhagen 2023
    av Billie Faircloth
    3 573,-

    The book provides new perspectives from leading researchers accentuating and examining the central role of the built environment in conceiving and implementing multifaceted solutions for the complex challenges of climate change, revealing critical potentials for architecture and design to contribute in more informed and long-term ways to the urgent transition of our society. The book offers a compilation of peer-reviewed papers that uniquely connects knowledge broadly across practice and academia, from the newest technologies and methods to indigenous knowledge, community engagement, techniques for ecosystem regeneration, nature-based solutions, and more. The book is part of a series of six volumes that explore the agency of the built environment in relation to the SDGs through new research conducted by leading researchers. The series is led by editors Mette Ramsgaard Thomsen and Martin Tamke in collaboration with the theme editors: - Design for Climate Adaptation: Billie Faircloth and Maibritt Pedersen Zari- Design for Rethinking Resources: Carlo Ratti and Mette Ramsgaard Thomsen (Eds.)- Design for Resilient Communities: Anna Rubbo and Juan Du (Eds.)- Design for Health: Arif Hasan and Christian Benimana (Eds.)- Design for Inclusivity: Magda Mostafa and Ruth Baumeister (Eds.)- Design for Partnerships for Change: Sandi Hilal and Merve Bedir (Eds.)

  • Spar 15%
    av Carlos Schaefer
    1 682,-

    Includes comprehensive examination of key soil taxa, along with color photographs and maps of Brazilian soilsDetailed classifications and descriptions of the Brazilian regional soilsComplements Springer's World Soils Book Series

  • Spar 15%
    av Peter Wriggers
    1 798

    This book provides a comprehensive treatment of the virtual element method (VEM) for engineering applications, focusing on its application in solid mechanics. Starting with a continuum mechanics background, the book establishes the necessary foundation for understanding the subsequent chapters. It then delves into the VEM's Ansatz functions and projection techniques, both for solids and the Poisson equation, which are fundamental to the method. The book explores the virtual element formulation for elasticity problems, offering insights into its advantages and capabilities. Moving beyond elasticity, the VEM is extended to problems in dynamics, enabling the analysis of dynamic systems with accuracy and efficiency. The book also covers the virtual element formulation for finite plasticity, providing a framework for simulating the behavior of materials undergoing plastic deformation. Furthermore, the VEM is applied to thermo-mechanical problems, where it allows for the investigation of coupled thermal and mechanical effects. The book dedicates a significant portion to the virtual elements for fracture processes, presenting techniques to model and analyze fractures in engineering structures. It also addresses contact problems, showcasing the VEM's effectiveness in dealing with contact phenomena. The virtual element method's versatility is further demonstrated through its application in homogenization, offering a means to understand the effective behavior of composite materials and heterogeneous structures. Finally, the book concludes with the virtual elements for beams and plates, exploring their application in these specific structural elements. Throughout the book, the authors emphasize the advantages of the virtual element method over traditional finite element discretization schemes, highlighting its accuracy, flexibility, and computational efficiency in various engineering contexts.

  • - International and Policy Perspectives
    av R K Jain
    1 119,-

    1 Introduction.- 2 Drinking Water.- 2.1 Drinking Water Production: Processes and Emerging Technologies.- 2.2 Adsorption of Organic Micropollutants onto Activated Carbon Fibers: Cloth and Felt.- 2.3 Removal of Micropollutants in Some Ozone Contactors: Efficiency and Simulation.- 2.4 Pervaporation and Membrane Stripping: Potentialities on Micropollutants Removal from Water.- 3 Air Pollution.- 3.1 Industrial Air Pollution: Removal of Dilute Gaseous Vapors.- 3.2 Development of Trickle-Bed Air Biofilter.- 3.3 Deodorization in Wastewater Treatment Plants by Wet-Scrubbing on Packed Column and Chlorine Oxidation.- 3.4 Regeneration by Induction Heating of Granular Activated Carbon Loaded with Volatile Organic Compounds.- 4 Wastewater Treatment.- A Biological Treatment.- 4.1 Effect of the Grease Solubilization and the Optimal Process Monitoring on the Grease Aerobic Digestion.- 4.2 Membrane Gas Liquid Contactors in Water and Wastewater Treatment.- 4.3 The Biological Treatment of High Effluent Flowrates: A Review of the Hydrodynamic Conditions and Possibilities.- 4.4 Multiphase Reactors for Biological Treatment of Urban Wastewaters.- B Physical-Chemical Treatment.- 4.5 Physical Chemical Treatments for Wastewater.- 4.6 Hydrocyclone Based Treatment Methods for Oily Wastewaters.- 4.7 Application of Membrane Separation Processes to Oily Wastewater Treatment: Cutting Oil Emulsions.- 4.8 Electrochemical Degradation of Organic Pollutants for Wastewater Treatment: Oxidation of Phenol on PbO2 Anodes.- 4.9 Treatment of Aqueous Organic Wastes by Molecular Oxygen at High Temperature and Pressure: Wet Air Oxidation Process.- 5 Hazardous Waste Management.- 5.1 Hazardous Wastes Treatments.- 5.2 Advanced Method for the Treatment of Organic Aqueous Wastes: Wet Peroxide Oxidation - WPO(R), Laboratory Studies and Industrial Development.- 5.3 Heavy Metals Recovery by Electrolyzing Technique: The 3.P.E. Technology.- 5.4 An Overview of Plasma Arc Technology Applied Research Projects for the Vitrification of Hazardous Wastes.- 5.5 Permeable Barriers to Remove Cd and Cr from Groundwater.- 6 Soil and Groundwater Contamination.- 6.1 How Technology is Improving Decision Marking for Environmental Restoration.- 6.2 Soil Decontamination Using Electrokinetics, with Application to Urban Residual Sludges.- 6.3 A Systematic Approach to Groundwater Management.- 7 Environmental Trends and Policy Perspectives.- 7.1 Technology Transfer and Utilization.- 7.2 Environmental Technologies and Regulations.- 7.3 Holistic Approach to Environmental Problems.- 7.4 Environmental Forecasting and Technology Trends.- 7.5 Privatization of the Environmental Infrastructure.- 7.6 Increased Use of Economic Instruments in Environmental Policy.- 7.7 Industry Trends.- 7.8 Industrial Ecology - Going Beyond Pollution Prevention.- 7.9 Summary.

  • Spar 15%
    av Wenjuan Du
    1 451,-

    This book provides a systematic introduction to power system sub/super-synchronous oscillations caused by grid-connected wind power generation. The authors look at why oscillations occur and present methods for examining the risk of oscillations. Coverage includes state-space model based analysis and impedance model based analysis, which are the two main methods for examining the power system sub/super-synchronous oscillations. In addition, new methods for examining oscillations in wind farms are proposed. Analysis of Power System Sub/Super-Synchronous Oscillations Caused by Grid-connected Wind Power Generation provides researchers and students with a single-volume introduction to the subject and will be a valuable professional reference for practicing engineers looking for solutions to oscillation problems.

  • av H Knoblock
    1 119,-

    Center for Integrated Nanotechnologies (CINT): Science-Base for Future Integrated Systems.- An Analysis of the Different MEMS Companies-Business Models.- MicroNano Technology Services Offering New Market Opportunities To Industry.- International Country Rankings in Patented Nanotechnology.- Financing of MEMS/MOEMS and Nanotechnology in Germany.- Performance Analysis of Low Drift Micro-Machined Gyroscopes for Inertial Navigation Systems.- Nanoscale and Microsystem-Technology: New Approaches for Thermoelectric Devices.- Micromixer Module With an Integrated Optical Pressure Gauge.- Multi-Layer PMMA Microfluidic Systems for Ammonia Detection.- Nanoscale Materials meet Microsystems-Technology Metal Oxide Semiconductor Chemical Sensors: From a Simple Resistor to a Tunable Microelectronic Device.- The New Type Of Transducer For Gas And Bio-Sensors.- Frequency Changes in the Second Derivative of Currant - Voltage Characteristics of SnO2-Si the Heterostructures During Gas Adsorption for Different Thickness of the Adsorptive Layers.- Light Processing with Electrostatically Driven Micro Scanning Mirrors and Micro Mirror Arrays.- New Combination of SiGe RF Amplifier ICs with High-O MEMS Components for Wireless Communication Radio Transceivers.- Design and Realisation of an Add-Drop Multiplexer Using Digital Micromirror.- Functionalization of Cantilever Array Sensors Using InkJet Deposition.- Optimized Creation of Monolayers for Parallel Readout of Bead-Based Assays.- Integrating Molecular Structures into the Macroscopic World by a Combination of Microsystem Technology and Self-Assembly Methods.- Nanoimprinting-a Key Enabling Technology for BioMEMS and Biomedical Applications.- Coriolis-lnduced Flow Control for Micro- and Nanofluidic Lab-on-a-Disk Technologies.- One Dimensional Microarrays for Genetic Testing and Diagnostics.- SEMI International Standards Program-Focus on MEMS.- Extreme Ultraviolet Radiation from Pulsed Discharges: A New Access to "Nanoscopy" and "Nanolytics".- Four Point Bending Test of Thin Films in the nm Through to ?rn Range.- Methods for Reconstruction of Atomic Force Microscope Data Based on Morphological Image Processing.- Optical 3D-Micro Structure Measurement System Based on a Laser Scanning Confocal Microscope.- Adsorption Sensitivity of Microporous Silicon to Organic and Biomolecules with High Dipole Moment.- Nanoengineered Inorganic/Organic Composite Microcapsules.- Mounting at the Nanoscale by Addressing Nanostructured Biological Templates - Another Packaging Strategy for Nanoscaled Electronics?.- New Functional Materials for MicroNano Fabrication and Devices.- Nanoscalic Sol-Gel-Fillers in Fibre-Chip-Adhesives.- Multilayers and Multicomponents-Layers Produce in Atmosphere of Metalloorganic Compounds of Aluminum in Arc Plasma Discharge of Titanium-New Technology MO PVD-Arc.- Nanomanipulations in the Optical Near Field.- Highly Efficient Micro Structuring of Metals, Ceramics and Dielectrics with Nd: YAG and Excimer Lasers.- Manufacturing Engineering for Nanoproduction.- Compact Laboratory EUV-Lamp: "In-House Beamlines" for Technologies Based on Extreme Ultraviolet Radiation.- Laboratory for Machine Tools and Production Technology: A Novel Assembly Method for Chip/Wafer Bumping and MEMS Integration.- Microcontroller Modules for the Modular MEMS Framework MATCH-X.- Microreliability, Nanoreliability-lssues for MEMS.- Cost Savings with Micro / Nano-Replication.- Feasibility Study of the Fabrication of 2D Polymer Photonic Crystals by X-Ray Lithography.- Behaviour of Flexible Hinges for Use as Articulations in High Precision Mechanisms.- Design Optimisation Applied To A Cantilever Type Piezoresistive Accelerometer.- Design and Implementation of a Flexible Guiding System in Translation.- Appendix: List of Contributors.

  • Spar 14%
    - Volume 2: Electrical Engineering, Energetics, Transport and Technology Education
    av Dorel Banabic
    1 335,-

    This volume showcases the valuable achievements of the Romanian technology and industry worldwide. It started from the premise that the history of Romanian technique is scarcely known outside the borders of Romania. The main Romanian contributions to the world's technological heritage are missing, except for a few names in the field of aviation, from the great encyclopedias and dictionaries published worldwide. This is due, among other reasons, to the insufficient promotion in widely spoken languages of the history of Romanian technology. The multidisciplinary approach of the volumes means that the field of technology had to be split into several branches. The present volume includes the following industries: electrical engineering, energy technology, biomedicine, maritime and rail transport, automotive industry, aviation. The history of engineering societies, of engineering education, of intellectual property, and of inventions, as well as a synopsis of the personalities of Romanian engineering have been tackled in separate chapters. For each field, are engaged the collaboration of authors who have already published a history of their field. Certain chapters were drafted with the aid of specialists who have played the part of policy makers in the elaboration of development strategies for Romania and who are familiar not only with the facts and the history of their field, but also with the 'philosophy' behind its development.

  • - Band 3: Anlagenautomatisierung Mea- Und Analysentechnik
    av Gerhard Kienel
    693,-

    1 Automatisierung von Vakuumbeschichtungsanlagen.- 1.1 Vorbemerkungen.- 1.2 Steuerungssysteme.- 1.3 Materialfluß.- 1.3.1 Batch-Anlagen.- 1.3.2 Durchlauf-Anlagen (in-line-Anlagen).- 1.3.3 Cluster-Anlagen.- 1.3.4 Bandanlagen.- 1.4 Automatisierung von Teilsystemen.- 1.4.1 Pumpsatz-Steuerungen.- 1.4.2 Druckregelungen.- 1.4.2.1 Druckregelung durch Saugvermögen.- 1.4.2.2 Druckregelung durch Gasfluß.- 1.4.3 Substrattransport.- 1.4.4 Substrattemperatur.- 1.4.4.1 Heizeinrichtungen.- 1.4.4.2 Messen und Regeln der Substrattemperatur.- 1.4.5 Automatisierung von Verdampfern.- 1.4.5.1 Widerstands-Verdampfer.- 1.4.5.2 Induktive Verdampfer.- 1.4.5.3 Elektronenstrahl-Verdampfer.- 1.4.6 Automatisierung von Sputterprozessen.- 1.4.6.1 Gleichstrom-Sputtern.- 1.4.6.2 Hochfrequenz-Sputtern.- 1.4.6.3 Magnetfeld-Verstellung.- 1.4.6.4 Plasma-Erkennung.- 1.4.7 Schichtdicke und Rate.- 1.4.7.1 Schichtdickenregelung.- 1.4.7.2 Abschalt-Kriterien.- 1.4.7.3 Ratenregelung.- 1.4.8 Reaktivprozesse.- 1.5 Beispiele für die Automatisierung von Beschichtungsprozessen.- 1.5.1 Prozeßsteuerung für Aufdampfanlagen.- 1.5.2 Prozeßsteuerung für Sputter-Durchlauf-Anlagen.- 1.5.3 Automatisierung von CVD-Anlagen.- 2 Messungen an Dünnen Schichten während des Beschichtungsprozesses.- 2.1 Bestimmung der Schichtdicke durch Widerstandsmessung.- 2.2 Ratenmessung durch Teilchen-Ionisierung und -Anregung.- 2.2.1 Überblick.- 2.2.2 Ionensonde.- 2.2.3 Massenspektrometer.- 2.2.4 EIES.- 2.3 Schichtdicken und Aufdampfratemessung mit Schwingquarz.- 2.3.1 Einleitung und Rückblick.- 2.3.1.1 Frequenz-Meßmethode.- 2.3.1.2 Periodenzeit-Meßmethode.- 2.3.1.3 Z-Match(R)-Verfahren.- 2.3.1.4 Zweifrequenz-oder Auto-Z-Match(R)-Verfahren.- 2.3.2 Sensor-Kennlinie (Massenempfindlichkeit).- 2.3.3 Grenzen der Genauigkeit und des Verwendungsbereichs.- 2.3.3.1 Einfluß des angewandten Verfahrens.- 2.3.3.2 Einfluß der Materialdichte.- 2.3.3.3 Schicht-Relaxation.- 2.3.3.4 Auswirkung intrinsischer Schichtspannungen.- 2.3.3.5 Temperatureinfluß.- 2.3.3.5.1 Frequenz-Temperaturkennlinie des Quarzes.- 2.3.3.5.2 Frequenz-Temperaturkennlinie des vollständigen Meßkopfes.- 2.3.3.6 Auftreten und Ursachen von Frequenzsprüngen.- 2.3.3.6.1 Grenzschicht Quarz-Elektrode.- 2.3.3.6.2 Kopplung mit Nebenmoden.- 2.3.3.7 Anzeige der Meßquarz-Restverwendungsdauer.- 2.3.3.7.1 Warnung bei Erreichen einer bestimmten Frequenzänderung.- 2.3.3.7.2 Dämpfungs-bzw. materialabhängige Anzeige der Restverwendungsdauer.- 2.3.4 Schlußfolgerung und Zusammenfassung.- 2.4 Optische Meßverfahren.- 2.4.1 Eilipsometer.- 2.4.2 Optische Prozeßtechnik.- 2.4.2.1 Vorbemerkungen.- 2.4.2.2 Systematik der optischen Schichtdickenmessung.- 2.4.2.3 Monochromatische optische Schichtdickenmessung.- 2.4.2.3.1 Triggerpunktabschaltung/Extremwertabschaltung.- 2.4.2.3.2 Fehlerkompensation der direkten Meßmethode bei Extremwertabschaltungen von ?/4-Schichtsystemen.- 2.4.2.3.3 Triggerpunktabschaltung mit On-Line-Korrektur.- 2.4.2.3.4 Probleme bei der Umsetzung der monochromatischen Schichtdickenmessung in die Praxis.- 2.4.2.3.5 Prozeßfotometer für die monochromatische optische Schichtdickenmessung.- 2.4.2.4 Breitbandige optische Schichtdickenmessung/ On-line-Nachoptimierung.- 2.4.3 Beispiele für die Berechnung und Realisierung von Systemen aus dünnen Schichten.- 2.4.3.1 Matrixmethode zur Berechnung optischer Schichtsysteme.- 2.4.3.2 Eigenschaften einer Einfachschicht.- 2.4.3.3 Symmetrische Schichtsysteme.- 2.4.3.4 Schichtsysteme aus ?/4-und ?/2-Schichten.- 2.4.3.5 Rechnerunterstützter Entwurf von Schichtsystemen.- 2.5 Schichtdickenbestimmung durch Wägung im Vakuum.- 2.6 Bestimmung der Schichtdicke und der Schichtzusammensetzung durch Röntgenemission und Röntgenfluoreszenz.- 2.7 Atomemissionsspektroskopie.- 3 Messungen an dünnen Schichten nach beendetem Beschichtungsprozeß.- 3.1 Messung der thermischen Leitfähigkeit.- 3.1.1 Allgemeines.- 3.1.2 Experimentelle Bestimmung.- 3.2 Elektrische Leitfähigkeit.- 3.2.1 Definition.- 3.2.2 Bestimmungs

  • Spar 17%
     
    5 309,-

    These Proceedings represent the metallurgical engineering and materials science research presented at the 62nd Annual Conference of Metallurgists (COM 2023), held in Toronto, Canada, from 21 to 24 August 2023. The Annual Conference of Metallurgists is organized by the Metallurgy & Materials Society of the Canadian Institute of Mining, Metallurgy and Petroleum (MetSoc of CIM). The collection themed 'Climate Change and Sustainability' presents findings on a wide range of topics, including: Advanced Manufacturing and MaterialsSustainability: Integration for Better OutcomesLight Metals for Transportation and Next Generation VehiclesDerek Kerfoot Memorial Pressure Hydrometallurgy SymposiumLaplante-Laskowski Symposium on Mineral Processing FundamentalsWasmund Memorial Symposium of Sustainability in Pyrometallurgy

  • av Dietrich Blandow
    1 090,-

    Official Opening and Welcome.- 1. Advanced Technology and Technology Education.- Industry productivity improvement techniques for education: A reverse technology transfer?.- Learning through apprenticeship.- New didactical concepts through the application of Flexible Learning Systems.- 2. Aspects of Identifying Key Competencies.- Identifying key competencies in specific occupational sectors for incorporation into vocational training programmes.- Inclusion of students with significant learning difficulties.- Didactical concepts for developing key qualifications.- 3. Advanced Technology Self-Learning Tools.- The DNA of advanced educational technology.- "Working with projects" stimulates basal aptitudes.- Technological literacy and humanization.- 4. Didactical Concepts for Advanced Technology.- Thought, language, and technology in school industry link projects.- Technology education: The rural context factor.- Implications of cognitive science for technological problem solving.- 5. Principles of Engineering Courses and Apprenticeship Entry Requirements.- Learning in technical work systems - industrial training models.- Principles of Engineering course: school and industrial collaboration.- Creativity at work: implications for education about work.- 6. Design Methodology and Theory-Practice Links.- Interrelations between design education, design practice, design research, design knowledge.- The elements of technology for education.- Design methodological analyses as a tool for learning about technological developments in industrial settings.- 7. Advanced Technology and Integrative Situations.- The Goals of Mathematical Olympiad and Changing Society in Transition to the Market Economy.- A model for integrated mathematics, science and technology education staff development.- The role of universities in the transition to a market economy and in regional development.- Using advanced technology to enhance teaching, learning and assessment.- Final Reports of the Working Groups.- Collaboration between educational institutions and the world of work: future directions.- Characteristics of advanced educational technology.- Disciplinary, interdisciplinary and multi-dimensional perspectives.- List of Participants.

  • Spar 17%
    - New Artificial Intelligence and the Internet of Things Based Perspective and Solutions
    av Celestine Iwendi
    3 302

    Today, communication technology and computer engineering are intertwined, with advances in one field driving advances in the other, leading to the development of outstanding technologies. This book delves into the latest trends and breakthroughs in the areas of communication, Internet of things, cloud computing, big data, artificial intelligence, and machine learning.This book discusses challenges and opportunities that arise with the integration of communication technology and computer engineering. In addition, the book examines the ethical and social implications, including issues related to privacy, security, and digital divide and law. We have explored the future direction of these fields and the potential for further breakthroughs and innovations.The book is intended for a broad audience of undergraduate and graduate students, practicing engineers, and readers without a technical background who have an interest in learning about communication technology and computer engineering.

  • Spar 16%
    av Ali Imran
    1 913,-

    Oxidative stress and neuroinflammation are considered causative factors in various neurological disorders such as Parkinson¿s and Alzheimer¿s diseases. Antioxidants are chemicals that bind with oxidative species and nullify their effect from causing damage to biological molecules. Endogenous antioxidants are produced by our body, however most of them are obtained from external sources, primarily through diet, called dietary antioxidants. Major sources of antioxidants are brightly colored fruits, vegetables, cereals, legumes, and herbs. Other very effective sources are berries, green tea, and dark chocolate. These compounds have the potential to hinder neurodegeneration, reduce neuronal death and improve memory as well as cognitive functions. Based on the complex nature of antioxidants and oxidative stress, particular antioxidants such as vitamin E, vitamin C or ß-carotene are beneficial in protecting cells, organs and tissues against oxidative damage.The Role of Natural Antioxidants in Brain Disorders describes various neuroprotective effects and their physiological phenomenon mediated by antioxidants to maintain and regulate the general health biomarkers against brain disorders. The important role of antioxidants, diet and lifestyle in managing brain disorders is covered, as is their use in conjunction with conventional therapies against oxidative stress. Both exogenous and endogenous antioxidants are explored in full. By focusing on the role of oxidative stress as a triggering mechanism for various brain disorders and the use of antioxidant foods in conjunction with traditional therapies in combating and preventing them, this is a valuable source for researchers in food science, nutrition, health science and physiology.

  • - 1500 Beispiele Elektronischer Bildbearbeitung
    av Hans D Baumann
    723,-

    Zum Gebrauch des Buches.- Auswahlen.- Auswahlrechteck, Auswahlquadrat.- Auswahlellipse, Lasso.- Auswahlpolygon, Alles auswählen.- Farbauswahl (Zauberstab).- Kantenunschärfe, Ausfransung.- Auswahl ohne Binnenbereiche.- Auswahlgrenzen und -konturen.- Auswahlen verändern, erweitern.- Schwebende Auswahlen.- Bewegen von Auswahlen.- Montagekontrollen.- Alphakanal, Maskierung.- Kanäle berechnen.- Freistellen.- Dynamische Effekte.- Interpolation neuer Bereiche.- Skalieren.- Spiegeln, Umklappen.- Neigen, Scheren.- Drehen, Rotieren.- Freies Verzerren.- Perspektive (simuliert).- Biegen.- Bézierverzerrung.- Verdrehen.- Echte Perspektive.- Verzerrungsnetz.- Zusammendrücken.- Zusammendrücken (negativ).- Polarkoordinaten.- Wellenkräuselung.- Kugelumwandlung.- Turbulenz.- Wirbeleffekt.- Welleneffekt.- Welleneffekt, konzentrisch.- Dunkelkammertechniken.- Konvolutionsfilter.- Bewegungsunschärfe.- Bewegungsunschärfe radial.- Bildbereiche akzentuieren.- cMulti.- Blendenflecken.- Fischaugenobjektiv.- Gitterfilter.- Gradations-und Effektkurven.- Helligkeit (abdunkeln).- Helligkeit (aufhellen).- Helligkeit (Grauschleier).- Invertieren.- Kontrast.- Konturen.- Konturen akzentuieren.- Pillowshading.- Pseudosolarisation, Sabatier-Effekt.- Runzelkorn und Bitmap-Umwandlung.- Bitmap-Umwandlung.- Scharfzeichnen.- Konturen scharfzeichnen.- Konturen leuchtender.- Shine, Starshine, Black Star.- Tontrennung.- Tonwertkorrektur.- Tonwertangleichung.- Unscharfeffekt.- Verwacklungseffekt.- Verschiebungseffekt.- Weichzeichnen.- Weichzeichnen (Störungen entfernen).- Gaulßscher Weichzeichner.- Weichzeichnen (Super blur).- Weichzeichnen (Unschärfe).- Farbeffekte.- Falschfarben, Farbaustausch.- Farbton, Farbsättigung.- Farbbalance.- Farbfilter (Kolorieren).- Farbtiefe (Bit-Tiefe).- Farbverläufe.- Farbverläufe mit Transparenzpositionen.- Gradations- und Effektkurven.- Tontrennung.- Struktur- und Gemäldeeffekte.- Farbbeispiele für Struktur- und Gemaldeeffekte.- Beispiele für Filter- und Effektreihen.- Weitere Farbbeispiele für Struktur- und Gemäldeeffekte.- Weitere Beispiele für Filter- und Effektreihen.- Weitere Farbbeispiele für Struktur- und Gemäldeeffekte.- Weitere Beispiele für Filter- und Effektreihen.- Weitere Farbbeispiele für Struktur- und Gemäldeeffekte.- Airbrush-Effekt.- Airbrush-spuren.- Bleistiftzeichnung.- Buntstiftzeichnung.- Chromeffekt (automatisch).- Chromeffekt (Filterkombination).- Clonen.- Diffusionsfilter.- Facetteneffekt.- Fraktale Verzerrung.- Frescomalerei.- Gemäldeeffekt.- Helligkeit interpolieren.- Helligkeit (Dunkle Bereiche vergrößern).- Helligkeit (Helle Bereiche vergrößern).- Impressionismus-Effekt.- Kacheleffekt.- Klecksverteilung.- Kohlestift.- Konturverlauf.- Konturüberstrahlung.- Körnung (Film Grain).- Körnung (Grain).- Kreide.- Kristallisieren.- Lasuren.- Malgrundsimulation.- Malgrundsimulation, Untermalung.- Malspuren.- Maskenstrukturgenerator.- Mosaikeffekt (Quadrate).- Mosaikeffekt (unregelmaigig).- Mosaikeffekt (Hexagone).- Mosaikeffekt (Patchwork).- Pastellkreide, grob.- Photocopy.- Posterkonturen.- Prägung in Papier.- Punktieren.- Reliefeffekt.- Reliefeffekt (Flachrelief).- Rißbildung.- Schmierstift.- Spritzer.- Stempelabdruck.- Spachtelmalerei.- Störungen hinzufügen.- Striche, dunkle.- Strukturen (Texture Explorer).- Strukturen (Versetzen).- Trockener Pinsel.- Überstrahlung.- Wasserfarben.- Zeichenfeder.- Windeffekt.- Sonstige Bildeffekte.- AilGon.- Fraktale.- EPS-Pfade nachzeichnen.- Mehrfach zeichnen.- Muster verzerren.- Symmetrische Figuren.- Umrisse vereinigen, subtrahieren.- Verzerrungen.- Register.

  • Spar 15%
    - Emerging Trends from the Perspective of Aitem's Young Researchers
    av Luigi Carrino
    1 566,-

    This book presents selected contributions covering various scientific and technological areas by AITeM (Italian Manufacturing Association). The first part, "AITeM Young Researcher Award 2023," written by young AITeM associates, reflects the multifaceted nature of manufacturing research. It explores emerging technologies and interdisciplinary connections to go beyond product fabrication, developing a complex value creation ecosystem for high-value-added global competition. Topics include additive manufacturing, materials processing technology, assembly, disassembly, circular economy, manufacturing systems design and management, quality engineering, production metrology, process and system simulation, optimization, and digital manufacturing. The second part, "White Papers," features five contributions on emerging trends in manufacturing. These papers are prepared by Working Groups focusing on strategic research topics in the manufacturing sector, including metallic prostheticimplants, lasers in electric mobility, digital twins, naval and marine applications, and surface functionalization in biomedical implants. These papers provide an overview of challenges in these frontier areas, highlighting the need for a multidisciplinary and innovative approach from the community to successfully address them.

  • - Case Studies, Collaborative Practices and Governance Principles
    av Jean-Christophe Le Coze
    351,-

    This open access book provides an analytical and critical outlook, by leading scholars, of the impact of various trends in the quality of collaboration and resulting safety outcomes that arise from the evolution of traditional integrated production within a single firm into a complex web of partnerships and supply chains. In the face of increasing fragmentation within industrial production and the associated rise in the complexity of inter-organizational communication and transaction, this book analyses causal factors such as cost pressures, globalization of demand, increasingly flexible resource allocation and work organization, changes in legal liability and the possibilities afforded by information technology. Various case studies focus on the effects of crossing boundaries between organizations, between different trades and professions and between countries, assessing the effect of variations in regulatory structures and national cultures. Furthermore, they illustrate the wide range of organizational forms to be found in high-hazard industries today and the impact, potential or real, of the variety of forms of partnership on safety and well-being at work. The contributors assess the effect of out-sourcing and of various forms of partnership and governance on safety at work and how they can be made to support the prevention of major accident hazards.

  • av Belle A Shenoi
    1 119,-

    1 Classical Methods of Approximation.- 2 Magnitude and Delay of I-D Filters.- 3 Magnitude of 2-D Filters.- 4 Magnitude and Delay of 2-D Filters.

  • Spar 16%
    - Service-Focused, Digitally-Powered, Data-Fueled
    av Henderik A Proper
    1 913,-

    This book explores different aspects of and provides concrete suggestions to meet the three main challenges for becoming a ¿Digital Enterprise¿: the transition to the digital age, the emergence of service ecosystems, and the growing role of data as a key underlying resource. As a result of these intertwined and mutually amplifying trends, today¿s enterprises are confronted with several challenges that profoundly impact their design, from the definitions of products and services offered to their clients via the business processes that deliver these products and services to the underlying IT infrastructure.The contributions which are written by leading enterprise architecture researchers and managers of large corporations cover four key aspects which form each one part of the book: Part I presents experiences how different enterprises currently already need to embrace and exploit new challenges like blockchain, customer-centric services, or value co-creation networks. Part II looks at the need for a new design logic, i.e. the need for new ways of thinking regarding the design of enterprises. Part III is concerned with the coordination needed among different stakeholders of the ensuing continuous transformations. Part IV eventually reflects on the ongoing consequences for enterprise modeling as used to capture both the current affairs of an enterprise, as well as design/study its possible future affairs.The target audience of this book are both master and PhD level students who want to gain insights into key aspects of the challenges confronting digital enterprises, as well as enterprise architects and information managers working in enterprises that are on their way to become digital.

  • - Transactions of the High Performance Computing Center Stuttgart (Hlrs) 2000
    av W Jager
    1 530,-

    Spinodal Decomposition in Binary Polymer Blends: Monte Carlo Simulations and Dynamic Mean Field Theory.- Dynamics of Convection and Dynamos in Rotating Spheres.- Recent Developments in IMD: Interactions for Covalent and Metallic Systems.- Finite Difference Modelling of Seismic Wave Phenomena within the Earth's Upper Mantle.- Collisional Dynamics of Black Holes and Star Clusters Using Massively Parallel Computing.- Three-Dimensional Direct and Inverse Electromagnetic Scattering.- Precession Driven Flow in Ellipsoidal Cavities.- The Computation of Highly Exited Hyperbolic 3D-eigenmodes and its Application to Cosmology.- Fluid Jet Simulations using Smoothed Particle Hydrodynamics.- Spectral Properties of CUO2 Planes in a Cluster Perturbation Approach.- Electronic, Structural and Vibrational Properties of Chalcogenides on Si(001) and Ge(001) Surfaces.- Dynamical Properties of the t-J Model.- Effects of Three Nucleon-Interactions in A = 4.- Phase Transitions in Insulating 1D Electron Systems.- Excited States of Semiconductors and Molecules.- Jacobi-Davidson Algorithm with Fast Matrix-Vector Multiplikation on Massively Parallel and Vector Supercomputers.- Time-dependent Reactive Scattering for Ion-neutral Collisions.- Ground and Exited States of the Hydrogen Negative Ion and Negative Donor Systems in Strong Magnetic Fields.- Quantum Chemical Calculations of Transition Metal Complexes.- Car-Parrinello Density Functional Calculations of the Bond Rupture Process of Thiolate on Gold in AFM Measurements: Progress and First Results.- DNS of Laminar-Turbulent Transition in a 3D Aerodynamics Boundary-Layer Flow.- High-Performance Computing: Numerical Simulation of the Melt Flow in an Industrial Czochralski Cruzible.- Analysis of an Elastic Wing in Subsonic Flow Using Direct Numerical Aeroelastic Simulation.- Large Eddy Simulation of the Flow over a Matrix of Surface-mounted Cubes.- Simulation of Bubbly Gas-Liquid Flows by a Parallel Finite-Difference /Front-Tracking Method.- Rotary Wing Aerodynamics and Aeroelasticity.- Unsteady Flow Simulations for Turbomachinery Applications on Dynamic Grids.- Testing Turbulence Models by Comparison with DNS Data of Adverse-pressure-gradient Boundary Layer Flow.- Large Eddy Simulation of Subcritical Flow around Sphere.- LES of Turbulent Flows Trough 90°-Pipe Bends on NEC SX-4.- Computations for the European LESFOIL Project.- Correlation Analysis of Permixed Turbulent Flames Using Direct Numerical Simulations.- Adaptive Chemistry Computation to Accelerate Parallel DNS of Turbulent Combustion.- The Generation of Dissipative Quasi-Particles near Turing's Bifurcation in Three-Dimensional Reacting Diffusion Systems.- Upwind Relaxation Algorithm for Reentry Nonequilibrium Flows.- Numerical Simulation of the Coupled Dynamic Processes of the Water-Steam Cycle and the Furnace System.- Container Size Dependence of the Velocity Fluctuations in Suspension of Monodisperse Spheres.- Implementing Luby's Algorithm on the CRAY T3E.- Spatial Partitioning for Parallel Hierarchical Radiosity on Distributed Memory Architectures.- Construction of Large Permutation Representations for Matrix Groups on Parallel Supercomputers.- Advances in High-Performance Computing: Multigrid Methods for Partial Differential Equations and its Applications.- Recent Advances of SKaMPI.- Porting SPLASH-2 Benchmarks to the T3E.

  •  
    1 119,-

    1 Introduction.- 2 Basic principles of metal forming.- 2.1 Methods of forming and cutting technology.- 2.1.1 Summary.- 2.1.2 Forming.- 2.1.3 Dividing.- 2.1.4 Combinations of processes in manufacturing.- 2.2 Basic terms.- 2.2.1 Flow condition and flow curve.- 2.2.2 Deformation and material flow.- 2.2.3 Force and work.- 2.2.4 Formability.- 2.2.5 Units of measurement.- 3 Fundamentals of press design.- 3.1 Press types and press construction.- 3.1.1 Press frame.- 3.1.2 Slide drive.- 3.1.3 Drive systems for deep drawing presses.- 3.1.4 Draw cushions.- 3.2 Mechanical presses 49.- 3.2.1 Determination of characteristic data.- 3.2.2 Types of drive system.- 3.2.3 Drive motor and flywheel.- 3.2.4 Clutch and brake.- 3.2.5 Longitudinal and transverse shaft drive.- 3.2.6 Gear drives.- 3.2.7 Press crown assembly.- 3.2.8 Slide and blank holder.- 3.2.9 Pneumatic system.- 3.2.10 Hydraulic system.- 3.2.11 Lubrication.- 3.3 Hydraulic presses 73.- 3.3.1 Drive system.- 3.3.2 Hydraulic oil.- 3.3.3 Parallelism of the slide.- 3.3.4 Stroke limitation and damping.- 3.3.5 Slide locking.- 3.4Changing dies 86.- 3.4.1 Die handling.- 3.4.2 Die clamping devices.- 3.5Press control systems 94.- 3.5.1 Functions of the control system.- 3.5.2 Electrical components of presses.- 3.5.3 Operating and visualization system.- 3.5.4 Structure of electrical control systems.- 3.5.5 Functional structure of the control system.- 3.5.6 Major electronic control components.- 3.5.7 Architecture and hardware configuration.- 3.5.8 Architecture of the PLC software.- 3.5.9 Future outlook.- 3.6Press safety and certification 106.- 3.6.1 Accident prevention.- 3.6.2 Legislation.- 3.6.3 European safety requirements.- 3.6.4 CE marking.- 3.6.5 Measures to be undertaken by the user.- 3.6.6 Safety requirements in the USA.- 3.7 Casting components for presses.- 4 Sheet metal forming and blanking.- 4.1Principles of die manufacture 123.- 4.1.1 Classification of dies.- 4.1.2 Die development.- 4.1.3 Die materials.- 4.1.4 Casting of dies.- 4.1.5 Try-out equipment.- 4.1.6 Transfer simulators.- 4.2Deep drawing and stretch drawing 156.- 4.2.1 Forming process.- 4.2.2 Materials for sheet metal forming.- 4.2.3 Friction, wear and lubrication during sheet metal forming.- 4.2.4 Hydro-mechanical deep drawing.- 4.2.5 Active hydro-mechanical drawing.- 4.3Coil lines 194.- 4.4Sheet metal forming lines 198.- 4.4.1 Universal presses.- 4.4.2 Production lines for the manufacture of flat radiator plates.- 4.4.3 Lines for side member manufacture.- 4.4.4 Destackers and blank turnover stations.- 4.4.5 Press lines.- 4.4.6 Transfer presses for small and medium sized parts.- 4.4.7 Large-panel tri-axis transfer presses.- 4.4.8 Crossbar transfer presses.- 4.4.9 Presses for plastics.- 4.4.10 Stacking units for finished parts.- 4.4.11 Control systems for large-panel transfer presses.- 4.5Blanking processes 268.- 4.6Shearing lines 284.- 4.6.1 Slitting lines.- 4.6.2 Blanking lines.- 4.6.3 High-speed blanking lines.- 4.6.4 Lines for the production of electric motor laminations.- 4.6.5 Production and processing of tailored blanks.- 4.6.6 Perforating presses.- 4.6.7 Control systems for blanking presses.- 4.7Fine blanking 330.- 4.7.1 Fine blanking process.- 4.7.2 Fine blanking materials, forces, quality characteristics and part variety.- 4.7.3 Fine blanking tools.- 4.7.4 Fine blanking presses and lines.- 4.8Bending 366.- 4.8.1 Bending process.- 4.8.2 Roll forming and variety of sections.- 4.8.3 Roller straightening.- 4.9Organization of stamping plants 389.- 4.9.1 Design.- 4.9.2 Layout.- 4.9.3 Quality assurance through quality control.- 5 Hydroforming.- 5.1General 405.- 5.2Process technology and example applications 405.- 5.2.1 Process technology.- 5.2.2 Types of hydroformed components.- 5.2.3 Fields of application.- 5.3Component development 413.- 5.3.1 User-oriented project management.- 5.3.2 Feasibility studies.- 5.3.3 Component design.- 5.4Die engineering 420.- 5.4.1 Die layout.- 5.4.2 Lubricants.- 5.5Materials and preforms for pr...

  • Spar 16%
    av Ahmed A Abd El-Latif
    2 608,-

    This book gathers the proceedings of the International conference on Cybersecurity, Cybercrimes, and Smart Emerging Technologies, held on May 10¿11, 2022, in Riyadh, Saudi Arabia. The conference organized by the College of Computer Science of Prince Sultan University, Saudi Arabia. This book provides an opportunity to account for state-of-the-art works, future trends impacting cybersecurity, cybercrimes, and smart emerging technologies, that concern to organizations and individuals, thus creating new research opportunities, focusing on elucidating the challenges, opportunities, and inter-dependencies that are just around the corner. This book is helpful for students and researchers as well as practitioners. CCSET 2022 was devoted to advances in cybersecurity, cybercime, and smart emerging technologies. It was considered a meeting point for researchers and practitioners to implement advanced information technologies into various industries. There were 89 paper submissions from 25 countries. Each submission was reviewed by at least three chairs or PC members and 26 regular papers (30%) were accepted. Unfortunately, due to limitations of conference topics and edited volumes, the Program Committee was forced to reject some interesting papers, which did not satisfy these topics or publisher requirements.

  • Spar 16%
    - Design, Analysis, and Implementation
    av Shuiwen Shen
    1 913,-

    Upon the ongoing profound revolution in the automotive industry, this book is primarily intended to give guidance on the practical design of traction motor control for pure electric vehicles (EVs) and hybrid electric vehicles (HEVs). An overview of the state-of-the-art motor types is provided to help understanding the background of automotive motor drives and the EV/HEV motor control specifications. Using AC induction motor control as a benchmark example, it addresses the motor control techniques by means of design, analysis, examples with MATLAB scripts wherever applicable, and practical control software architecture diagrams. In particular, an extensive analysis and discussion are made on the widely used vector control method together with multiple optimization schemes. As such, it gives coverage of the electric traction control including dynamics, efficiency, and the high-speed power capability, taking into account the constraints of vehicle configuration and requirements. The vector control and optimization strategies presented in this book can be ported across to other AC motor types without losing much generality.This book tries to bridge the gap between theory and practicality. Beginning with basic motor theory and completing the motor control design by introducing voltage source inverter (VSI) pulse width modulation (PWM) techniques, it helps the reader take a step-by-step approach from understanding fundamental motor characteristics through to practical design of in-depth motor control strategies.

  • - Sicherheitstechnische Beurteilung, Maanahmen Gegen Gefahrdungen
    av Wolfgang J Friedl
    693,-

    1 Die wirtschaftliche Bedeutung der Schutzmaßnahmen für EDV-Anlagen.- 2 Voraussetzungen und Anforderungen an die sicherheits-gerechte Konzipierung eines Hochsicherheitsbereichs.- 3 Unterschiedliche Gefährdungen für Rechenzentren.- 3.1 Einbruch/Diebstahl, Sabotage und Vandalismus.- 3.2 Brand, Verrauchung.- 3.3 Fehlfunktionen in der Klimatisierung.- 3.4 Wassereinbruch.- 3.5 Elektrische Versorgung.- 3.5.1 Aufrechterhaltung der Stromversorgung.- 3.5.2 Überspannungen und Blitzschlag.- 3.6 Datenverlust.- 3.7 Sonstige Gefahren.- 4 Mögliche Analysemethoden.- 5 Schema der konkreten Risiko- und Schutzniveauermittlung.- 5.1 Maßnahmen gegen Einbruch, Diebstahl, Sabotage und Vandalismus.- 5.2 Maßnahmen gegen Feuer und Verrauchung.- 5.3 Maßnahmen gegen Fehlfunktionen der Klimatisierung.- 5.4 Maßnahmen gegen Beschädigungen durch Wasser bzw. fehlerhafte Versorgung.- 5.5 Maßnahmen zur Aufrechterhaltung der gleichbleibenden Stromversorgung.- 5.6 Maßnahmen gegen Datenverlust.- 5.7 Sonstige sicherheitsrelevante Kriterien.- 5.8 Zusammenfassende Benotung der analysierten Risiken.- 6 Sicherheitsmanagement: Organisation und Realisierung der sicherheitstechnischen Maßnahmen.- 7 Sicherheitsgerechter EDV-Betrieb.- 8 Organisatorische Schritte zur permanenten Beibehaltung des Niveaus des ursprünglich entworfenen Sicherheitskonzepts.- 8.1 Menschliche Aspekte.- 8.2 Technische Maßnahmen.- 9 Katastrophenvorsorge.- 9.1 Katastrophenplan.- 9.2 Backup-Konzepte.- 9.3 Versicherungskonzepte für Hochsicherheitsbereiche.- 10 Schlußworte und Aussicht.

  • Spar 16%
    - Proceedings of the 6th Interdisciplinary Conference on Production, Logistics and Traffic 2023
    av Uwe Clausen
    2 376,-

    This book reports on recent research and developments at the interface between the areas of production, logistics and traffic. Gathering the proceedings of the 6th ICPLT, held on March 22-23, 2023, at TU Dortmund University, in Germany, this volume gives a special emphasis to theories, trends and technologies for planning and operating freight transport systems in a sustainable and resilient way. The twenty-two contributions included in this book cover algorithms, models, and experimental methods to addresses challenges and knowledge gaps relating to traffic flows and logistic processes. They also report on advanced technologies, human factors research and strategies that should help better understand the interdependencies and conflicts of interest in the field of production, logistics and traffic, and to develop feasible solutions. All in all, this book provides a timely snapshot of research and developments concerning freight and public transport, cargo bikes, maritimeand rail transport, electrical and hydrogen vehicles, simulation and optimization in production and logistics, production and supply chain management, sustainable logistics, and intralogistics and automation. It offers extensive information to researchers, engineers and other professionals, and public authorities that are active in all the above- mentioned fields.

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