扩张
发表于 2025-3-23 12:05:07
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吞噬
发表于 2025-3-23 15:51:31
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压倒性胜利
发表于 2025-3-23 19:08:25
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EWE
发表于 2025-3-24 01:39:24
0920-4652and predictable level of stereoselectivity. In the light of much accumulated ex perience within organic chemistry it is usually possible to assess the likeli hood of alternative reaction pathways at least qualitatively. However, well based expectations can be falsified, and the experiments direct
羞辱
发表于 2025-3-24 03:00:09
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农学
发表于 2025-3-24 07:11:38
Catalytic Activation of Alkane Carbon-Hydrogen Bonds,ability and lack . of polarisability of the carbon-hydrogen bond. Despite these effective stabilising factors, however, conditions have in fact been established for activation of the carbon — hydrogen bond for catalytic .H—.H exchange in alkanes and cycloalkanes.
性满足
发表于 2025-3-24 11:48:37
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Decrepit
发表于 2025-3-24 16:26:26
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chronology
发表于 2025-3-24 21:54:51
Hydrogenolysis of Cyclopropanes,only a limited extent. Using RhCl(PPh.). in benzene, hydrogenolysis has been observed in the examples (l)–(6), the extent of hydrogenolysis and the nature of the hydrogenolysis products being as indicated .
放逐某人
发表于 2025-3-25 00:42:51
F. J. McQuillinicht ertragen, sein armes Gehirn soll erdrückt, sein Beutel soll völlig geleert werden. Mitten in aller Herrlichkeit fängt er an zu seufzen: wollte Gott, ich säße still im Wald, das wäre für Geist und Körper besser! Ja, es wäre schöner; aber lehrreicher und darum nützlicher ist es doch am Ende, hier