1、

The catalytic system also showed good catalytic activity in the oxidation of other aldehydes. Benzaldehyde derivatives with electron-withdrawing group and aliphatic aldehydes were almost quantitatively converted into their corresponding acids.

应用此催化体系催化其它醛的氧化同样表现出较好的催化活性,有缺电子取代的芳香醛和脂肪醛几乎定量生成相应的羧酸。

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2、

Moreover, the structure of the aliphatic chain varied from amorphism to regularity indicated by 13C NMR.

同时,13c NMR显示长链脂肪碳结构由无定型向晶型转变。

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3、

This review describes the recent progress in the antitumor substances of ascidians according to structural classifications such as peptides, polycyclic aromatic alkaloids, aliphatic alkaloids, polysulfides, macrolides and terpenoids.

本文按肽、稠环芳香族生物碱、脂肪族生物碱、多硫化物、大环内酯、萜类化合物等化学结构分类综述海鞘抗肿瘤成分的研究进展。

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4、

The Reduce-Temperature agent of asphalt that the paper studied is a new generation of aliphatic hydrocarbons which designed to reduce the mixed and compacted temperature.

本课题所研究的沥青降温剂RT,则是专门用于降低沥青混合料拌和与成型温度的新一代脂肪族碳氢化合物。

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5、

The relationship between the property and structure of the aliphatic alcohol ether was also discussed.

还讨论了脂肪醇醚的性质与结构之间的关系.

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6、

Designating an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms.

一种具有光滑的、无分枝的、或弯曲或直立茎干的日光兰属植物.

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7、

The special interest devoted to acrolein arises from the fact thatthe shortest unsaturated aliphatic aldehyde.

全心致力于丙烯醛的研究,是从最短的不饱和醛被证实开始的.

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