固执点好
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苦恼
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混杂人
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ELATE
发表于 2025-3-25 18:40:30
Undergraduate Texts in Mathematicsh precise bond angles and bond lengths can be predicted by determining quantum mechanically the molecular energy as a function of atomic positions and then finding the minima in this function. Sophisticated calculations are required for this purpose, however. For large molecules and compounds of hea
加剧
发表于 2025-3-25 21:16:33
A Cornucopia of Famous Problems a puckered ring structure with roughly tetrahedral bond angles, in accord with VSEPR considerations. The members of such rings are connected by σ bonds only and each member has in addition two lone pairs (e.g., S.), a lp and bp (e.g., .-(PPh).), or two bp’s . The bonding in saturated
Intellectual
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逃避现实
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Expiration
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FEIGN
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Amnesty
发表于 2025-3-26 20:04:29
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