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![]() Free Download Practising Cultural Geographies: Essays in Honour of Rana P. B. Singh by Ravi S. Singh English | EPUB | 2022 | 599 Pages | ISBN : 9811664137 | 145.5 MB This festschrift honours Prof. Rana P.B. Singh who has dedicated his life to teaching and conducting research on cultural geography with a 'dweller Indian perspective'. The book focuses on the cultural geographies of India, and to an extent that of South Asia. It is a rich collection of 23 essays on the themes apprised by him, covering landscapes, religion, heritage, pilgrimage and tourism, and human settlements. ![]() Free Download Practices in Regional Science and Sustainable Regional Development: Experiences from the Global South by R. B. Singh English | EPUB | 2021 | 379 Pages | ISBN : 9811622205 | 104.1 MB This book brings together the emerging trends and techniques incorporated in regional science during the first two decades of this millennium. The book includes systematic and analytical notes making scientific commentary on the innovative methods of regional development, measurement of the development, regional development models, and policy measures that have significant implications and wide applicability instrumental for India as well as the other global south countries. ![]() Free Download Practical Pediatric Urology: An Evidence-Based Approach by Prasad Godbole English | EPUB | 2021 | 515 Pages | ISBN : 3030540197 | 98.3 MB This book provides a case based approach to the problems faced within pediatric urology and an evidence based approach to their solutions. Chapters on urodynamics, external genitalia, the upper urinary tract, the lower urinary tract, and office pediatric urology are included. ![]() Free Download Power Electronic Converters: DC-DC Conversion by Robert Bausière , Francis Labrique , Guy Séguier English | PDF | 1993 | 422 Pages | ISBN : 3642524567 | 27.3 MB This book is the third in a series of four devoted to POWER ELECTRONIC CONVERTERS: The first of these concerns AC to DC conversion. The second concerns AC to AC conversion. This volume examines DC to DC conversion. The fourth is devoted to DC to AC conversion. Converters which carry out the DC-DC conversion operate by chopping the input voltage or current: they are called choppers or switch-mode power converters. Their operating frequency is not imposed by either the input or the output, both of which are at zero frequency. A frequency which is much greater than that of the industrial network can be chosen, provided that suitable configurations and semiconductor devices are used. This is the first difference compared to the rectifiers and AC-AC converters, analyzed in the previous volumes and which often operate at the industrial network frequency. The second difference concerns the commutation mode. Choppers operate in forced commutation. The beginning of an operating phase does not auto matically turn off the semiconductor devices which were conducting during the previous phase and which have to be brought to the blocking state. This turn-off must be carried out autonomously. These two differences - the higher frequency of commutations and, espe cially, the different mode of commutation -justify the first two chapters in this work: - Chapter 1 examines general notions concerning converters, supplies and loads, and more especially, how they can be characterized with regard to commutations. ![]() Free Download Power Electronic Converters: DC-AC Conversion by Guy Séguier , Francis Labrique English | PDF | 1993 | 460 Pages | ISBN : 3642503241 | 25 MB This is the final volume in a four-volume series concerning POWER ELEC TRONIC CONVERTERS. The first volume studies AC/DC conversion, the second studies AC/ AC conversion, and the third DC/DC conversion. This final volume deals with DC/AC conversion, i.e. with inverters. At the output of an inverter fed by a DC voltage supply, this voltage is alternatively found with one polarity and then with the other; in other words, an AC voltage made up of square pulses is obtained. Filtering must be carried out if, as is normally the case, a virtually sinusoidal voltage is required: this problem of filtering underlies the entire study of inverters. In some applications, the load itself provides the filtering. In others, a filter is installed between the inverter and the load; however, as it will be shown in Chap. 2, in cases where the filtered voltage is at industrial network frequency and comprises only a single square-wave pulse per half-cycle, the filter becomes bulky and costly, and the results obtained are poor. Filtering problems explain the considerable development of inverters during the last years: - Firstly there is increasing use of pulse width modulation: each half-cycle is cut up into several pulses of suitable widths; this greatly simplifies filtering. The use of a chopping frequency which is much greater than the frequency of the fundamental components of the inverter output voltage and current has only been made possible by progress in the field of semiconductor devices. ![]() Free Download Posterior Hip Disorders: Clinical Evaluation and Management by Hal D. Martin English | EPUB | 2018 (2019 Edition) | 369 Pages | ISBN : 3319780387 | 176.80 MB This unique and comprehensive text discusses the main causes of posterior hip pathology and recent advances in evaluation and treatment of those conditions, including posterior hip pain caused by discogenic, intrapelvic and extrapelvic disorders. Opening with description of the specific anatomy and biomechanics of the posterior hip and the etiology of hip disease, the next few chapters superbly discuss and illustrate the clinical, psychological and radiological assessment of the patient. ![]() Free Download Polystomatid Flatworms: State of Knowledge and Future Trends by Louis H. du Preez , Willem J. Landman , Olivier Verneau English | EPUB (True) | 2023 | 658 Pages | ISBN : 3031358864 | 299.4 MB This unique book offers a comprehensive guide to the fascinating world of polystomatid flatworms. It introduces the reader to the individual life histories of polystomes and the chronological advances in our knowledge, with descriptions of species discovered over the past centuries. It equips newcomers to the field with basic protocols and techniques for collecting, processing and interpreting material. It also presents the history of research on this group of parasites, provides information on the discovery of each polystome and acknowledges the authors that have made major contributions. For the established researcher in the field, it offers a reference book containing taxonomic data, measurements and drawings of all known polystomes. The authors have brought together all the available material, creating a resource that will stimulate research and revive the global focus on this unique group of parasites. Thus, this work provides an essential reference for both established researchers and newcomers to the field. ![]() Free Download Polymeric Biomaterials for Tissue Regeneration: From Surface/Interface Design to 3D Constructs by Changyou Gao English | EPUB (True) | 2024 | 578 Pages | ISBN : 9819969476 | 135.8 MB This book reviews state of the art of polymeric biomaterials for regenerative medicine and highlights advances in both fundamental science and clinical practice. It summarizes the latest techniques in polymeric scaffold fabrication, delivery carriers, physiochemical property modulation, as well as their influence on the adhesion and performance of biomolecules, cells, and tissues. It also describes methods for creating biofunctional surfaces/interfaces and subsequently modulating the host response to implantable materials. Lastly, it discusses the applications of biomaterials and constructs in soft-tissue regenerative medicine. It is a valuable resource for materials scientists and engineers wishing to identify research priorities to fulfill clinical needs and provides physicians with insights into emerging novel biomaterials. This integrated approach also offers engineering students a sense of the relevance of materials science in the development of novel therapeutic strategies. ![]() Free Download Plastics for Electronics by Martin Goosey (Chief Scientist and Technology Fellow) English | PDF | 1999 | 409 Pages | ISBN : 0412725606 | 38.8 MB Polymeric materials are widely used during nearly all stages of the manufacturing process of electronics products and this book is intended to give an introductory overview of the chemistry, properties and uses of some of the more important classes of materials likely to be encountered in these applications. It is intended to serve primarily as an introduction to the use of polymers and plastics in the processing and manufacture of electronic and electrical components and assemblies. With no in-depth knowledge of polymers assumed, the book is ideal for engineers and researchers working in areas where electronics and polymer technology overlap. There are also numerous references for those wishing to delve deeper. ![]() Free Download Plant Physiology, Development and Metabolism by Satish C. Bhatla , Manju A. Lal English | PDF EPUB (True) | 2023 | 906 Pages | ISBN : 9819957354 | 409.7 MB This textbook is second edition of popular textbook of plant physiology and metabolism. The first edition of this book gained noteworthy acceptance (more than 4.9 Million downloads) among graduate and masters level students and faculty world over, with many Universities recommending it as a preferred reading in their syllabi. |