有权
发表于 2025-3-25 05:37:10
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声音刺耳
发表于 2025-3-25 09:44:35
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Apraxia
发表于 2025-3-25 13:54:24
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确定
发表于 2025-3-25 17:25:11
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取回
发表于 2025-3-25 23:46:00
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共同时代
发表于 2025-3-26 02:51:13
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勉强
发表于 2025-3-26 07:51:50
Demography Is an Inherently Spatial Sciences related chemical experiments failed . Pasteur’s term . was replaced later by the notion ., which was introduced by Kelvin, who adopted it from the familiar analogy of the morphological mirror-image relation between the left and the right hand .
Antarctic
发表于 2025-3-26 11:05:18
Michael D. Irwin,Erin C. Pischke a molecular property, whereas optical activity is a bulk property of a substance, i.e. in all practical cases can be measured only for a large ensemble of molecules. It is thus wrong to speak of a “chiral substance”, as it is incorrect to speak of “optically active molecules”!
保守党
发表于 2025-3-26 15:40:45
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conflate
发表于 2025-3-26 18:01:09
Jagtar Bhatti,Rachhpal Jassal,T. Andy Blacknantiomers is called a .; racemates are not optically active, because the optical activities of the two . cancel each other, since the two enantiomers rotate the plane of polarized light by the same amount, but in opposite directions.