概观 发表于 2025-3-23 11:21:04

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alleviate 发表于 2025-3-23 13:51:19

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朝圣者 发表于 2025-3-23 18:01:51

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宴会 发表于 2025-3-24 01:57:00

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受人支配 发表于 2025-3-24 06:06:39

Book 1997China has an annual consumption of more than 15 million tons and is the largest fertilizer nitrogen consumer in the world. However, the efficiency of nitro­ gen fertilizer is low and losses are large. It is estimated that nitrogen losses from agriculture in our country can be as high as 40-60% of th

conscience 发表于 2025-3-24 09:56:32

tons, and China has an annual consumption of more than 15 million tons and is the largest fertilizer nitrogen consumer in the world. However, the efficiency of nitro­ gen fertilizer is low and losses are large. It is estimated that nitrogen losses from agriculture in our country can be as high as 40-60% of th978-94-010-6376-0978-94-011-5636-3

SSRIS 发表于 2025-3-24 13:21:26

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reaching 发表于 2025-3-24 17:20:30

Qi-Xiao Wen,Li-Li Chengic spectroscopy and magnetism give experimental confirmation of the predicted electronic energy levels..Adapted from university lecture course notes, this book is the ideal companion for any inorganic chemistry course dealing with group theory..978-3-030-62998-4978-3-030-62996-0Series ISSN 0342-4901 Series E-ISSN 2192-6603

Vulnerable 发表于 2025-3-24 22:08:35

Zhao-Liang Zhuymmetry rules can describe the chemical bond of even simple .This book addresses the nature of the chemical bond in inorganic and coordination compounds. In particular, it explains how general symmetry rules can describe chemical bond of simple inorganic molecules. Since the complexity of studying e

艺术 发表于 2025-3-25 02:42:24

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查看完整版本: Titlebook: Nitrogen in Soils of China; Zhao-liang Zhu,Qi-xiao Wen,J. R. Freney Book 1997 Springer Science+Business Media Dordrecht 1997 Ammonium.Fert