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The concepts in this book will provide a comprehensive overview of the current state for a broad range of nitride semiconductor devices, as well as a detailed introduction to selected materials and processing issues of general relevance for these applications. This compilation is very timely given the level of interest and the current stage of research in nitride semiconductor materials and device applications. This volume consists of chapters written by a number of leading researchers in nitride materials and device technology addressing Ohmic and Schottky contacts, AIGalnN multiple quantum well laser diodes, nitride vertical cavity emitting lasers, and ultraviolet photodetectors. This unique volume provides a comprehensive review and introduction to application and devices based on GaN and related compounds for newcomers to the field and stimulus to further advances for experienced researchers.
Hardbound. This book contains papers presented at the International Symposium on Natural Medicines held in Kyoto, Japan on October 28 - 30, 1997. It commemorated the fiftieth anniversary of the Japanese Society of Pharmacognosy. The academic field of pharmacognosy; the science of natural medicines, covers a wide range of topics, including pharmaceutical botany, traditional medicines, and the biological activities and chemistry of natural products. Thus, Towards Natural Medicine Research in the 21st Century is of interest to chemists and biologists, as well as physicians. There is optimism that these reports will help provide a firm basis for future application of natural medicines as we head towards the 21st century
This book is based on nearly a decade of materials and electronics research at the leading research institution on the nitride topic in Europe. It is a comprehensive monograph and tutorial that will be of interest to graduate students of electrical engineering, communication engineering, and physics; to materials, device, and circuit engineers in research and industry; to all scientists with a general interest in advanced electronics.
The understanding of pig genetics and genomics has advanced significantly in recent years, creating fresh insights into biological processes. This comprehensive reference work discusses pig genetics and its integration with livestock management and production technology to improve performance. Fully updated throughout to reflect advances in the subject, this new edition also includes new information on genetic aspects of domestication, colour variation, genomics and pig breeds, with contributions from international experts active in the field.
Plants are a source of bioactive compounds and specialty chemicals such as ginsenosides; paclitaxel, artemisinin, veregen and nutraceuticals. Biopharmaceuticals are important in human healthcare, and herbal actives are gaining importance all over the world. With natural resources dwindling, in vitro production of secondary compounds on a commercial scale is being more and more required. The difficulties that are increasingly encountered in procuring ample supply of raw plant material because of drastic decrease in natural resources have prompted the adaptation of in vitro technology for commercial production of substances of medicinal importance. Besides providing an alternative technology t...
This book focuses on nanostructured semiconductors, their fabrication, and their application in various fields such as optics, acoustics, and biomedicine. It presents a compendium of recent developments in nanostructured and hybrid materials and also contains a collection of principles and approaches related to nano-size semiconductors. The text su
Healthcare professionals, including doctors, pharmacists and nurses, are often confronted with patients who use over-the-counter (OTC) herbal medicinal products and food supplements. While taking responsibility for one’s own health and treatment options is encouraged, many patients use these products based on limited (and sometimes inaccurate) information from non-scientific sources, such as the popular press and internet. There is a clear need to offer balanced, well-informed advice to patients, yet a number of studies have shown that, generally, conventionally trained health practitioners consider their knowledge about herbal medicinal products and supplements to be weak. Phytopharmacy f...
This book presents the latest understanding of the solid physics, electronic implications and practical applications of the unique spontaneous or pyro-electric polarization charge of hexagonal semiconductors, and the piezo-electric effects in thin film hetero-structures which are used in wide forbidden band gap sensor, electronic and opto-electronic semiconductor devices.