最后是一种叫做油母质的大分子化合物。
And macromolecular clumps of organic material called kerogen.
黄酮类化合物是一类低分子天然植物成分,这类化合物具有共同的母核c6 - C3 - C6。
The flavonoid is a kind of low molecular natural plant ingredient, and this kind of compound has common parent nucleus C6-C3-C6.
通过对拉尔玛金矿热水成因硅质岩中分子古生物学的研究,指出硅质岩中与金关系密切的生物母源为海生低等菌藻生物。
Molecular paleontology in thermal chert in Laerma gold deposit shows that the organic precursors intimately associated with gold are marine bacteria and algae.
威母波斯是UCSB分子,细胞发育生物系的副教授。
Weimbs is assistant professor in the Department of Molecular, Cellular and Developmental Biology at UCSB.
鉴于大黄酚具有大黄酸分子的基本母核,本文以植物中大黄酚为起始原料,经乙酰化、氧化和脱乙酰反应后制得大黄酸。
Seeing that Chrysophanol has the same basic parent structure with Rhein, Rhein was synthesized through acetylation, oxidation and deacetylation reaction taking Chrysophanol as raw material.
鉴于大黄酚具有大黄酸分子的基本母核,本文以植物中大黄酚为起始原料,经乙酰化、氧化和脱乙酰反应后制得大黄酸。
Seeing that Chrysophanol has the same basic parent structure with Rhein, Rhein was synthesized through acetylation, oxidation and deacetylation reaction taking Chrysophanol as raw material.
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