institute
发表于 2025-3-23 11:44:39
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Leaven
发表于 2025-3-23 16:34:59
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Inkling
发表于 2025-3-23 20:54:08
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OUTRE
发表于 2025-3-24 00:52:32
Lecture Notes in Control and Information Scienceshttp://image.papertrans.cn/s/image/875476.jpg
Rodent
发表于 2025-3-24 03:34:34
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窃喜
发表于 2025-3-24 09:43:09
oordination numbers greater than 4, known to occur with a number of tin compounds, is not important for germanium. Compounds that may ionize in solution, the alkali metal derivatives, R.GeM, are known; these too are useful intermediates in syntheses. Di(alkali metal) germanes, R.GeM., also exist. Or
起皱纹
发表于 2025-3-24 11:03:30
ano derivatives are lacking, strengths of bonds to other elements probably decrease in the order: M-F> M-O > M-CI > M-H ~ M-N ~ M-S ~ M-Br > M-I, while for a particular element X, the order is: Si-X > Ge-X > Sn-X > Pb-X. It is therefore understandable that reactions leading to Si-F, Si-O, or Si-CI b
性上瘾
发表于 2025-3-24 16:32:47
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chandel
发表于 2025-3-24 22:24:10
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遗产
发表于 2025-3-25 00:28:06
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