单词 | 异构体 |
释义 | 〔decane〕Any of various liquid isomers, C10H 22, of the methane series. 癸烷:甲烷系的任何一种液体异构体,C10H 22 〔geranial〕A structural isomer of citral that is obtained from the oxidation of geraniol.香叶醛:由香叶醇氧化得到的柠檬酸的结构上的同质异构体〔tretinoin〕An isomer of retinoic acid, used in the treatment of acne.一种视黄酸的异构体,用于治疗粉刺〔graphite〕A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles. Also called black lead ,plumbago 石墨:一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体,用于铅笔、滑润剂、颜料和涂层,可被制成多种形状,如模子、砖块、电极、坩埚和火箭发动机喷管 也作 black lead,plumbago〔stereoisomer〕One of a set of isomers whose molecules have the same atoms bonded to each other but differ in the way these atoms are arranged in space.立体异构体:异构体中的一个,它们的分子有同样的原子但这些原子在空间中的排列不同〔isomerase〕One of a group of enzymes that catalyzes the conversion of one isomer into another.异构酶:一种能对一种异构体转化为另一种异构体进行催化物的一组酶〔dinitrobenzene〕Any of three isomeric compounds, C6H 4(NO 2) 2, made from a mixture of nitric acid, sulfuric acid, and heated benzene and used in celluloid manufacture, in dyes, and in organic synthesis. 二硝基苯:三种异构体中的任何一种,C6H 4(NO 2) 2,由硝酸、硫酸与苯形成。用于赛璐珞、染料与有机合成 |
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