by Claire Voisin (1991)
"Although the majority of the world's Herons live in the tropics and subtropics, Europe is home to nine species, some large, some small, some colonial, some solitary breeders. Highly specialized birds, they exhibit many interesting differences in their behaviour and ecology and are a favourite group for many ornithologists. Voisin begins her book with a general description of the family before going on to treat each species in more detail. The species accounts summarize such topics as field characters, distribution, population size, breeding and feeding ecology and behaviour."--Bloomsbury Publishing.
Li te, zeng wei
Di en yu mu qin yi ju na pa, Zai xue xiao li ta ren shi le hao you kai wen, Bing qie xi huan shang mei li de pei ni luo. Zheng dang ta men chu ci pin chang ai qing de tian mi shi, Ming yun que jiang ta men pao dao le kong bu de xuan ya. Yin zang le ji ge shi ji de gu xi la mo zhou gai bian le ta men de yi qie, Kong bu de fen wei long zhao zhe zheng ge na pa.
Anil Kumar Maini
The fundamentals and implementation of digital electronics are essential to understanding the design and working of consumer/industrial electronics, communications, embedded systems, computers, security and military equipment. Devices used in applications such as these are constantly decreasing in size and employing more complex technology. It is therefore essential for engineers and students to understand the fundamentals, implementation and application principles of digital electronics, devices and integrated circuits. This is so that they can use the most appropriate and effective technique to suit their technical need. This book provides practical and comprehensive coverage of digital electronics, bringing together information on fundamental theory, operational aspects and potential applications. With worked problems, examples, and review questions for each chapter, Digital Electronics includes: information on number systems, binary codes, digital arithmetic, logic gates and families, and Boolean algebra; an in-depth look at multiplexers, de-multiplexers, devices for arithmetic operations, flip-flops and related devices, counters and registers, and data conversion circuits; up-to-date coverage of recent application fields, such as programmable logic devices, microprocessors, microcontrollers, digital troubleshooting and digital instrumentation. A comprehensive, must-read book on digital electronics for senior undergraduate and graduate students of electrical, electronics and computer engineering, and a valuable reference book for professionals and researchers.
Wan Weigang zhu
Ben shu shi guan yu ru he li jie xian dai shi jie de shu, zuo zhe zai shu zhong jiang le yi xie xian dai ren ying gai you, er qie zhi you xian dai ren cai ke neng you de " zhi shi " -- zhi hui he jian shi. quan shu fen wei si bu fen : di yi bu fen " shi ji guan qu mei " jie shao le yi ge gen chuan tong kan fa bu tai yi yang de shi jie ; di er bu fen " liu shui xian shi dai de ying xiong " zhong dian tan jiao yu wen ti ; di san bu fen " zhi shi fen zi de shi ba ban wu yi " jiang ji ge dang qian xue jie liu xing de guan cha shi jie de jiao du he jie shi shi jie de fang fa ; di si bu fen " wei lai, yi jing dao lai " zhan wang wei lai.
Joseph G. Cannon
"Pharmacology has traditionally been a part of the educational experience of medicinal chemists, but this has not been the case for graduate students in organic and most other areas of chemistry. This practical book provides an ideal guide. Assuming no background in physiology and pharmacology, it covers the aspects of pharmacology most important and useful to organic (and other) chemists engaged in drug discovery. The book is based upon a popular three-day American Chemical Society short course, "Pharmacology for Chemists," which the author has taught for twenty years, and the book retains the lively and accessible presentation of the course while including more detailed discussions, references, and definitions. Any chemist who is considering research on drugs will find this volume an invaluable tool."--Jacket.