Gunpowder was the lineal successor of the Greek fire.

火药是希腊火的直接衍生物.

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These compounds are nitrosohydroxylamine derivatives.

这类合成物是亚硝基羟胺衍生物.

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Many cyclopentane derivatives also absorb in this region.

很多环戊烷的衍生物在这个范围也出现吸收.

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Thermolysis of the latter furnished the cyclohexadienone system.

后者经过热解,就转变成环己二烯酮的衍生物.

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Esters are named as derivatives of the acids from which they are derived.

酯是作为相应的酸的衍生物来命名的.

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Derivatives of bromine are much more active than the corresponding one of chlorine.

溴的衍生物的活性要比相应的氯的衍生物大得多.

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Ozone is formed in the reaction, and a nitro derivative of the olefin.

在反应中形成臭氧及烯烃的硝基衍生物.

辞典例句

These derivatives are readily obtained by alkylation of 2 - mercaptopyridine and alkyl halides under alkaline conditions.

这些衍生物可以容易地在碱性条件下通过 2- 巯基吡啶和卤代烷的烷基化而得到.

辞典例句

The actual compound is considered to be a derivative or the parent compound.

把实际化合物看作母体化合物的衍生物.

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An active oligomer has been synthesized from acrylic acid and its derivatives.

以丙烯酸及其衍生物为原料合成出了一种活性低聚物.

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Objective To study the antitumor effect of PSP 94 - TNF α D 11 a fusion gene.

目的　探讨人PSP94和肿瘤坏死因子α衍生物11a( TNFα D11a)融合基因(PSP94TNFαD11a) 直接注射的抗肿瘤作用.

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The immediate products of this reaction are alkali - metal derivatives of dialkyl phenylmalonates.

此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物.

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The synthetic methods of Avennectins and their derivates are introduced.

介绍了阿维菌素及其衍生物的合成方法.

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Researchers have identified six coumarin derivatives that exert antispasmodic and vasodilatory effects.

研究人员发现,造成六名香豆素衍生物、安神扩血管效应.

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Acrylics are synthetic resins made from derivatives of acrylic acid.

丙烯酸涂料是由丙烯酸衍生物经化学合成的树脂.

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