查询词典 aromatic

According to Griess reaction, diazonium-salts formed from aromatic amines such as sulfonamides etc., react with NaNO_2 in acid medium and may be coupled with α-naphthylamine or diphenylamine to produce red colored compounds.

一按Griess反应芳香族胺类的重氮化鹽，如对氨基苯磺醯胺类药物等，在酸性溶液中皆能与α-萘胺或二苯胺分别偶合成偶氮色素而显紅色，过多之亞硝酸可与氮色素再作用使紅色消失而呈棕黄色。

A series of 3-naphthyl-2--1,3-thiazolidin-4-ones were synthesized by the three-component one-pot cyclocondensation of naphthylamine, aromatic aldehyde and 2-mercaptoacetic acid using a microwave-assisted method in the presence of DMAP/DCC.

利用微波促进的多组分一锅法，在封管条件下，以萘胺、芳醛和巯基乙酸为原料，4-二甲氨基吡啶/N，N'-二环已基碳二亚胺为催化剂，合成了系列新的噻唑烷酮衍生物，该反应具有时间短、操作简便等优点。

According to the weight percent, the copolymer composition comprises: 25 percent to 99 percent of the vinyl aromatic monomer; 0 percent to 30 percent of the en-unsaturated nitrile monomer; 1 percent to 50 percent ene dicarboxylic acid derivative monomer.

这种共聚组合物按重量百分比包含：25至99％的乙烯基芳香族单体；0至30％的烯属不饱和腈类单体；1至50％的烯属二元酸衍生物单体。

Modifications of alkylation, chlorination and Vilsmeier reaction were employed for the synthesis of aromatic aldehydes bearing nitrogen mustard derivatives and halogenoalkylpiperazinyl.

通过对Vilsmeier反应、烷基化反应和氯化反应的改进提出了以简单易得的苯胺和苯基哌嗪为原料制备氮芥和哌嗪芳香醛的方法。

Tobacco smoke contains more than 60 carcinogens, among which polycyclic aromatic hydrocarbons and the tobacco-specific nitrosamine are likely to play major roles in lung carcinogenesis.

研究表明80%以上的肺癌可归咎于烟草暴露，而仅仅不到10%的吸烟者发展为肺癌，提示个体对于肺癌具有遗传易感性。

The present invention discloses beet noctuid nuclear polyhedrosis virus insect killing suspending agent, in which the virus bearer content is 5-20 hundred million PIB/ml., itis composed of chlorbenzuron analogue chlorfluazuron, aromatic amino acid tyrosine, fluorescent whitener, dispersant, glycerin, sterilized water.

本发明公开了一种甜菜夜蛾核多角体病毒杀虫悬浮剂。该剂型的主要成分是甜菜夜蛾核多角体病毒，悬浮剂中病毒包涵体含量5－20亿PIB/ml，它由灭幼脲类似物氟啶脲、芳香族氨基酸酪氨酸、精制荧光增白剂、分散剂、甘油、无菌水组成。

A pleasantly aromatic beverage that promoters claim reduces cholesterol and cures hangovers, Pu ' er became the darling of the sipping classes in recent years as this nation ' s nouveaux riches embraced a distinctly Chinese way to display their wealth, and invest their savings.

普洱茶是一种气味芳香馥郁的饮料，推销商声称这种茶可以降低胆固醇，治疗宿醉。因此，近年来，普洱茶成为了茶客的最爱，中国的新贵们也采用了这样一种中国特色的方式来展示他们的财富。

A pleasantly aromatic beverage that promoters claim reduces cholesterol and cures hangovers, Pu'er became the darling of the sipping classes in recent years as this nation's nouveaux riches embraced a distinctly Chinese way to display their wealth and invest their savings.

普洱茶推销商声称，这种散发着芳香的茶叶不仅能降低胆固醇，还有助于醒酒。近年来，随着中国的新贵们以具有中国特色的方式炫耀财富、进行投资，普洱茶变成了他们最喜爱的饮料。

A pleasantly aromatic beverage those promoters claim reduces cholesterol and cures hangovers, Pu'er bearrived the darling of the sipping classes in recent ages as the nation's nouveaux riches embraced a distinctly Chinese way to display theirss wealth, and invest theirss savings.

普洱茶是一种气味芳香馥郁的饮料，推销商声称这种茶没出国疑问降低胆固醇，医治宿醉。因此，近年来，普洱茶成了了茶客的最爱，中国China的新贵们也采用了那样一种中国China特点的办法来展示她们的财富。

Unless you are really the kind of Aromatic, in this state are still thousands of obsequiousness, pretty sultry, or 10 million to Shen-xing.

除非你真的是那种国色天香，在这种状态下依然媚态万千，姿色撩人，否则千万要慎行。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。