细菌等 发表于 2025-4-1 03:02:23

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季雨 发表于 2025-4-1 08:33:53

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Ingrained 发表于 2025-4-1 11:55:43

Andrew P. Vaydaed.New applications of silk products, especially to Biomater.This book is a snapshot of the current state of the art of research and development on the properties and characteristics of silk and their use in medicine and industry. The field encompasses backyard silk production from ancient time to i

prostate-gland 发表于 2025-4-1 16:02:31

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莎草 发表于 2025-4-1 20:58:29

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可触知 发表于 2025-4-2 01:47:43

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ADOPT 发表于 2025-4-2 05:15:16

James F. Kitchell,Stephen R. Carpenterngth . . . . each one of us indeed needs his daily intake of vitamins, which should normally be provided via a balanced and varied diet. However, current food habits or preferences, or food processing and preservation methods do not always assure a sufficient natural daily vitamin supply, even for a
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查看完整版本: Titlebook: Humans as Components of Ecosystems; The Ecology of Subtl Mark J. McDonnell,Steward T. A. Pickett Book 1993 Springer Science+Business Media