Differ in the way in which the atoms within the molecule are oriented in space are called stereoisomer . 分子中原子在空间定向的方式不同的化合物叫做立体异构体。
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In this paper , the stereoisomer rearrangement of biomarker compound for the exclusive reaction form the electronic off - domain to the out - proton magnetic rotation is interpreted in the sedimentary system in terms of the micro - particle wave motion and the molecular orbital theory 摘要应用微观粒子波动和分子轨道理论、解释生物标志化合物在沉积体系中自身独有的“电子离城外质子磁旋反应”的重排机理。
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Though more specific analytical issues concerning microbiological assay radioimmunoassay and stereoisomer assay were not examined , this article should provide good guidance to pharmaceutical chemists to properly perform analytical method validation and carry out routine analysis 作者将为从事分析方法认证的工作者提供指南，但对专属分析方法的认证如微生物分析，同位素免疫分析及立体异构体分析未及论述。
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First of all , the theoretic basis for the stereoisomer rearrangement of biomarker compound is illustrated , and then the corresponding relations between the sterane / terpane stereoisomer rearrangement and maturity , as well as the polarity / non - polarity and petroleum migration are discussed , respectively 首先阐明生物标志化合物立体异构重排的理论依据：然后分别探讨了萜、甾烷类立体异构重排和成熟度对应关系；极性、非极性生物标志化合物异构体重排和油气运移对应关系。
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