Sharks hold a unique place in the sea kingdom. Among fishes they are the oldest inhabi-tants of the hydrosphere. Their tribe includes the largest fish......
This text is aimed at nursing students taking a maternity nursing course. It offers chapters on the new majority of maternity clients including drug a......
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广袤无垠的中国西部，隐秘地生活着一些部落人群。他们的身世由来悬疑重重，传统习俗古怪而纯朴，生活方式精犷而神秘。他们的头上带着传奇的光环，在现代文明的浪潮 冲击下坚守着自己独特的部落神话。让我们一起领略图瓦人、罗布人、火焰山人、刀郎人等奇特部落带给我们的神秘与震撼，探索原始之美与自然之奇。...
Knowledge of the serology and geneticsof the human blood group systemsadvances continually. In this thirdedition, the authors have attempted tobring b......
A simple introduction to some of the tools that help us make scientific discoveries...
Best of Dr. Jean Science & Math Teachers will turn to these treasure troves of ideas again and again to help kids build key skills and concepts. Hands......
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art of this publication may be reproduced, stored in a retrieval:m, or transmitted in any form or by any means, electronic, mechanicaocopying, recordi......
When a group of short construction workers begins building a school playground, Lisa begins to suspect that they are really Christmas elves, but Melod......
He was in a strange bed. There was murmuring aroundhim. An impression of white， Machinery. The sound o]the distant breaking o/ the sea against the s......
Language Notes Text: English， French (translation)...
The Hydrogen Bond and the Water Molecule offers a synthesis of what is known and currently being researched on the topic of hydrogen bonds and water m......
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本书以实验动物质量标准和实验动物资源为主线，全面系统地介绍了实验动物管理法规、质量标准、种质资源、实验技术以及相关领域的最新研究进展。 本书共分为四篇45章。第一篇有障，包括国内外实验动物管理法规、组织机构、科学信息和人才管理等，详细介绍了我国实验动物工作管理框架、法规与标准体系。第二篇有16......
In a style and format that is as helpful as it is hopeful, BrookeMcKamy Beebe offers creative, parent-tested, and doctor-approved solutions to the eve......
Older individuals occupy the greatest num-ber of hospital beds and are the greatestconsumers of health services. However,there is still a critical lac......
In general, cross-ment is restricted to existing trails and streasteady heavy rainfall also make many of thearea of operations difficult to impossible......
