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1. |
Record Nr. |
UNINA9910825671503321 |
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Autore |
Laino Dora Lucia |
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Titolo |
Aspectos psicosociales del aprendizaje / / Dora Laino |
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Pubbl/distr/stampa |
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Córdoba, Argentina : , : Editorial Brujas, , [2019] |
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©2019 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 recurso en línea (200 páginas) |
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Disciplina |
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Soggetti |
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Learning - Social aspects |
Learning - Physiological aspects |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910820870203321 |
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Autore |
Jelaska Damir |
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Titolo |
Gears and gear drives / / Damir Jelaska |
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Pubbl/distr/stampa |
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Chichester, West Sussex ; ; Hoboken, : John Wiley & Sons, 2012 |
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ISBN |
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9786613916389 |
9781118392713 |
111839271X |
9781283603935 |
1283603934 |
9781118392706 |
1118392701 |
9781118392393 |
1118392396 |
9781118392690 |
1118392698 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (472 p.) |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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GEARS AND GEAR DRIVES; Contents; Preface; Acknowledgments; 1 Introduction; 1.1 Power Transmissions and Mechanical Drives; 1.2 Classification of Mechanical Drives; 1.3 Choosing a Mechanical Drive; 1.4 Multi-Step Drives; 1.5 Features and Classification of Gear Drives; 1.5.1 Features of Gear Drives; 1.5.2 Classification of Gear Drives; 1.6 List of Symbols; 1.6.1 Subscripts to Symbols; 2 Geometry of Cylindrical Gears; 2.1 Fundamentals of the Theory of Toothing; 2.1.1 Centrodes, Roulettes and Axodes; 2.1.2 Envelopes, Evolutes and Involutes; 2.1.3 Cycloid and Involute of a Circle; 2.1.3.1 Cycloid |
2.1.3.2 Involute of Circle 2.1.4 Main Rule of Toothing; 2.1.4.1 Analytical Determining of Mated Profiles; 2.1.4.2 Radii of Curvature of Mated Profiles; 2.2 Geometry of Pairs of Spur Gears; 2.2.1 Cycloid |
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Toothing; 2.2.2 Involute Toothing; 2.3 Involute Teeth and Involute Gears; 2.4 Basic Tooth Rack; 2.5 Fundamentals of Cylindrical Gears Manufacture; 2.5.1 Generating Methods; 2.5.2 Forming Methods; 2.5.3 Gear Finishing; 2.5.4 Basic Rack-Type and Pinion-Type Cutters; 2.6 Cutting Process and Geometry of Gears Cut with Rack-Type Cutter; 2.6.1 Profile Shift |
2.6.2 Meshing of Rack Cutter with Work Piece, Basic Dimensions of Gear 2.6.3 Tooth Thickness at Arbitrary Circle; 2.6.4 Tip Circle Diameter; 2.6.5 Profile Boundary Point; Tooth Root Undercutting; 2.6.6 Effect of Profile Shift on Tooth Geometry; 2.6.7 Gear Control Measures; 2.6.7.1 Chordal Tooth Thickness on the Arbitrary Circle; 2.6.7.2 Constant Chord Tooth Thickness; 2.6.7.3 Span Measurement; 2.6.7.4 Dimension Over Balls; 2.7 Parameters of a Gear Pair; 2.7.1 Working Pressure Angle of a Gear Pair; 2.7.2 Centre Distance; 2.7.3 Gear Pairs With and Without Profile Shift |
2.7.3.1 Gear Pairs Without Profile Shift 2.7.3.2 Gear Pairs with Profile Shift; 2.7.4 Contact Ratio; 2.7.5 Distinctive Points of Tooth Profile; 2.7.6 Kinematic Parameters of Toothing; 2.8 Basic Parameters of Gears Generated by the Fellows Method; 2.8.1 Pinion-Type Cutter; 2.8.2 Dimensions of Gears Cut by Pinion-Type Cutter; 2.8.3 Undercutting the Tooth Root; 2.8.4 Geometry of Internal Gear Toothing; 2.9 Interferences in Generating Processes and Involute Gear Meshing; 2.9.1 Interferences in Tooth Cutting; 2.9.1.1 Tooth Root Undercutting |
2.9.1.2 Overcutting the Tooth Addendum (First Order Interference)2.9.1.3 Overcutting the Tooth Tip Corner (Second Order Interference); 2.9.1.4 Radial Interference (Third Order Interference); 2.9.1.5 Null Fillet; 2.9.2 Interferences in Meshing the Gear Pair Teeth; 2.9.2.1 Gear Root Interference; 2.9.2.2 Interferences of Tooth Addendum; 2.9.2.3 Radial Interference; 2.10 Choosing Profile Shift Coefficients; 2.10.1 Choosing Profile Shift Coefficients by Means of Block-Contour Diagrams; 2.10.2 Choosing Profile Shift Coefficients by Means of Lines of Gear Pairs; 2.11 Helical Gears |
2.11.1 Basic Considerations |
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Sommario/riassunto |
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Understanding how gears are formed and how they interact or 'mesh' with each other is essential when designing equipment that uses gears or gear trains. The way in which gear teeth are formed and how they mesh is determined by their geometry and kinematics, which is the topic of this book. Gears and Gear Drives provides the reader with comprehensive coverage of gears and gear drives. Spur, helical, bevel, worm and planetary gears are all covered, with consideration given to their classification, geometry, kinematics, accuracy control, load capacity and manufacturing. Cylindric |
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3. |
Record Nr. |
UNINA9910972477103321 |
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Autore |
Estevão Marcello |
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Titolo |
Are the French Happy with the 35-Hour Workweek? / / Marcello Estevão, Filipa Sa |
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Pubbl/distr/stampa |
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Washington, D.C. : , : International Monetary Fund, , 2006 |
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ISBN |
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9786613828378 |
9781462338696 |
1462338690 |
9781452756189 |
145275618X |
9781283515924 |
128351592X |
9781451909647 |
1451909640 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (26 p.) |
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Collana |
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Altri autori (Persone) |
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Soggetti |
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Hours of labor - France - Econometric models |
Workweek - France - Econometric models |
Aggregate Factor Income Distribution |
Aggregate Human Capital |
Aggregate Labor Productivity |
Economic theory |
Employment |
Income economics |
Income |
Intergenerational Income Distribution |
Labor economics |
Labor Economics: General |
Labor |
Labour |
Macroeconomics |
National accounts |
Single Equation Models |
Single Variables: Cross-Sectional Models |
Spatial Models |
Time Allocation and Labor Supply |
Treatment Effect Models |
Unemployment |
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Unemployment: Models, Duration, Incidence, and Job Search |
Wages |
Wages, Compensation, and Labor Costs: General |
France |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Includes bibliographical references (p. 24). |
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Nota di contenuto |
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""Contents""; ""I. INTRODUCTION""; ""II. INSTITUTIONAL BACKGROUND AND PREVIOUS RESEARCH""; ""III. CONSEQUENCES OF HOURS RESTRICTIONS: THEORY""; ""IV. DATA AND IDENTIFICATION STRATEGY""; ""V. RESULTS""; ""VI. CONCLUSIONS""; ""REFERENCES"" |
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Sommario/riassunto |
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Legally mandated reductions in the workweek can be either a constraint on individuals' choice or a tool to coordinate individuals' preferences for lower work hours. We confront these two hypotheses by studying the consequences of the workweek reduction in France from 39 to 35 hours, which was first applied to large firms in 2000. Using the timing difference by firm size to set up a quasi-experiment and data from the French labor force survey, we show that the law constrained the choice of a significant number of individuals: dual-job holdings increased, some workers in large firms went to small firms where hours were not constrained, and others were replaced by cheaper, unemployed individuals as relative hourly wages increased in large firms. Employment of persons directly affected by the law declined, although the net effect on aggregate employment was not significant. |
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4. |
Record Nr. |
UNINA9910254816603321 |
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Titolo |
Geo-Spatial Knowledge and Intelligence : 4th International Conference on Geo-Informatics in Resource Management and Sustainable Ecosystem, GRMSE 2016, Hong Kong, China, November 18-20, 2016, Revised Selected Papers, Part II / / edited by Hanning Yuan, Jing Geng, Fuling Bian |
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Pubbl/distr/stampa |
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Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2017 |
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ISBN |
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Edizione |
[1st ed. 2017.] |
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Descrizione fisica |
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1 online resource (L, 497 p. 253 illus.) |
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Collana |
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Communications in Computer and Information Science, , 1865-0937 ; ; 699 |
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Disciplina |
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Soggetti |
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Information storage and retrieval systems |
Data mining |
Computers, Special purpose |
Electronic digital computers - Evaluation |
Computer simulation |
Physical geography |
Information Storage and Retrieval |
Data Mining and Knowledge Discovery |
Special Purpose and Application-Based Systems |
System Performance and Evaluation |
Computer Modelling |
Physical Geography |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Session4: Advanced Geospatial Model and Analysis for Understanding Ecological and Environmental Process -- Spatial-temporal Evolution Pattern and Future Scenario Analysis of Water Resources Carrying Capacity of Ningbo City -- Predict Port Throughput Based on Probabilistic Forecast Model -- Principal Component Analysis of Building Cluster Factors -- Progressive Network Transmission Method Research of Vector Data -- Comparison of Different Remote Sensing |
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Monitoring Methods for Land-use Classification in Yunnan Plateau Lake Area -- Application of Different Composite Index Methods in the Evaluation of Soil Heavy Metal Pollution -- Hyperspectral Image Denoising based on Subspace Low Rank Representation -- A least-squares Ellipse Fitting Method based on Boundary -- Training Convolutional Neural Networks based on Ternary Optical Processor -- An Improved Algorithm for Video Abstract -- The Prediction of CTR Based on Model Fusion Theory -- An Improved Algorithm of LEACH Protocol Based on Node’s Trust Value and Residual Energy -- Red Preserving Algorithm for Underwater Imaging -- Estimating Gas Source Location Based on Distributed Adaptive Deflection Projected Subgradient Method -- System Locating License Plates with Shadow Based on Self-adaptive Window Size Technique -- Energy Prediction Model Based on Kernel Partial Least Squares for Energy Harvesting Wireless Sensor Network -- Deep Convolution Neural Network Recognition Algorithm Based on Maximum Scatter Difference Criterion -- Energy Efficient Routing Algorithm Using Software Defining Network for WSNs via Unequal Clustering -- An Energy Efficient and Secure Data Aggregation Method for WSNs Based on Dynamic Set -- A Novel Quality Detection Approach for Non-mark Printing Image -- Passive Packet Reordering Measurement on Terrestrial-based and Satellite-based Internet -- Research on the Description Method of the Atomic Services in Extensible Network Service Model -- The Risk Assessment for Unmanned Vehicle Using Bayesian Network -- Delay-constrained Least-energy-consumption Multicast Routing Based on Heuristic Genetic Algorithm in Unreliable Wireless Networks -- A Coarse to Fine Object Proposal Framework for Autonomous Driving Object Detection Using Binocular Image -- Study on Recognition and Management of Cartographic Topology Preprocessing Mode -- Research on Hot Topic Discovery Technology of Micro-blog Based on Bi-term Topic Model -- A Deduplication Algorithm Based on Data Similarity and Delta Encoding -- Area Constrained Space Information Flow -- Research on the Algorithm of Converting Files Generated by CALPOST to AVS/Express Platform -- A Construction Method of Road and Residence Correlation Based on Urban Skeleton Network -- A Hybrid Parallel Computing Model to Support Scalable Processing of Big Oceanographic Spatial Data -- A Study on Curve Simplification Method Combining Douglas-Peucker with Li-Openshaw -- Session5: Applications of Geo-Informatics in Resource Management and Sustainable Ecosystem -- A Mobile Services Collaborative Recommendation Algorithm Based on Location-aware Hidden Markov Model -- 3D Visualization Analysis of Longtan Reservoir-induced Earthquakes and Active Faults -- Identification and Characterization of Geological Hazards in a Coal Mining Area Using Remote Sensing -- Monitoring Landslides Using Multi-frequency SAR Data in Danba County, Sichuan Province, China -- Modeling the Avian Influenza H5N1 Virus Infection in Human and Analyzing Its Evolution -- The Research of 3D Geological Modeling in the Main Mining Area and East Mining Area of BayanObo Deposit -- Application of the Evidence Right in the Quantitative Evaluation of Rural Residential Area -- Research on Detection and Trend Forecasting Technologies of Micro-blog Hot Topic -- The Implementation of Human Tracking with Quadrotor Aircraft -- QvHran: A QoE-Driven Virtualization Based Architecture for Heterogeneous Radio Access Network -- An ID-based Anonymous Authentication Scheme for Distributed Mobile Cloud Computing -- QKDFlow: QKD Based Secure Communication Towards the OpenFlow Interface in SDN -- Location System Design Based on Weighted RSSI for High-speed Railway Landslide Monitoring -- Application of Computer Simulation in Interference Assessment |
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between Satellite Systems -- Research and Application of Three-dimensional Simulation Technology on Virtual Display of Skirt -- Database Construction and Map Compilation of Provincial Common Geographic Maps -- Building Geospatial Health Applications from the EASTWeb Framework -- Ship Navigation and Warning System based on GPS/BDS Equivalent Satellite Clock Error Method -- Research on Cloud Storage of Vector Data Based on Hbase -- Research on Visualization Methods for Academic Papers Analysis of Chinese Surveying and Mapping Journals. |
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Sommario/riassunto |
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The two volume proceedings of CCIS 698 and 699 constitutes revised selected papers from the 4th International Conference on Geo-Informatics in Resource Management and Sustainable Ecosystem, GRMSE 2016, held in Hong Kong, China, in November 2016. The total of 118 papers presented in these proceedings were carefully reviewed and selected from 311 submissions. The contributions were organized in topical sections named: smart city in resource management and sustainable ecosystem; spatial data acquisition through RS and GIS in resource management and sustainable ecosystem; ecological and environmental data processing and management; advanced geospatial model and analysis for understanding ecological and environmental processes; applications of geo-informatics in resource management and sustainable ecosystem. |
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