查询词典 synthesis

China petrochemical (600028): The company world-class scale's integrated energy chemical industry company, is Chinese first in Hong Kong, New York, London, the Shanghai four place going on the market company, is also the upstream, the middle reaches, the downstream synthesis integration energy chemical industry company; Is China biggest To be listed; Is also Chinese and the Asian biggest petroleum and petrochemical companies one of; Chinese and Asian biggest gasoline, diesel oil, jet fuel and other main petroleum product one of producer and distributors; The Chinese second big petroleum and natural gas producer.

中国石化(600028)：公司世界级规模的一体化能源化工公司，是中国首家在香港、纽约、伦敦、上海四地上市的公司，亦是上、中、下游综合一体化的能源化工公司；是中国最大的上市公司；也是中国及亚洲最大的石油和石化公司之一；中国及亚洲最大的汽油、柴油、航空煤油及其他主要石油产品的生产商和分销商之一；中国第二大石油和天然气生产商。

This project focused on the basic research of asymmetric synthesis of optically active drugs or their lead compounds by Chiron approach.

本项目从事手性元途径合成光学纯药物或光学纯药物先导化合物的基础研究。

We now know that chloramphenicol specifically affects the ribosomes of prokaryotic cells, thus inhibiting protein synthesis.

现在我们知道抗生素对原核生物细胞中的核糖体有特殊效应，从而能抑制其蛋白质的合成。

The process of 2-chloropyridine chlorination synthesis by pyridine and application were introduced.

介绍了吡啶氯化合成2-氯吡啶的方法和应用。

Results show that if the reaction is carried out in chloroform no asymmetric synthesis was observed.

结果表明，以相当于反应物量3％的TBAB作相转移催化剂，60℃反应5h，产物收率可达78％。

And chloroform, which can be used for synthesis of heroin and other narcotic drugs.

三氯甲烷三类可供制造海洛因等毒品的化学品实行出口管制。

The low molacular hydrogenated bisphenol A epoxy resin was prepared by the ring-closing reaction of the chlorohydrin ether and alkali and high molecular hydrogenated bisphenol A epoxy resin was synthesis by the addition polymeration of the low one and hygenated bisphenol A.

氢化双酚A和环氧氯丙烷在催化剂作用下开环反应生成了氯醇醚，而后加碱进行闭环反应，制备了低分子质量氢化双酚A型环氧树脂，再将其进一步与氢化双酚A等进行加聚反应，得到高分子质量环氧树脂。

The synthesis of 1,2-dimethoxybenzene from chloromethane combined with pyrocatechol is introduced in this artcile.

本文介绍了以氯甲烷和邻苯二酚为原料合成1，2-二甲氧基苯的方法。

Copper deficiency results in chlorosis, suggesting that copper may be involved in the synthesis of chlorophyll.

缺少铜可以导致植株萎黄，这说明铜有可能与叶绿素的合成有关。

The species of extracellular ATP can participate the effect of nerve system not only as the neurotransmitter and modulator but also has a trophic action to glial cell and neuron. It participates in many courses, e.g. cell differentiation and apoptosis, the morphologic change of chondriosome, to stimulate the synthesis and release of cytokine and nerve growth factor. It has a great influence to neurological growth and plasticity.

细胞外ATP类物质不仅可以作为神经递质及调质参与神经系统的功能，还可对胶质细胞及神经元产生营养作用，广泛参与细胞分化及凋亡、细胞线粒体形态变化、刺激细胞因子及神经生长因子的合成及释放等过程，对神经系统的发育及可塑性变化产生重要的影响。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失