查询词典 chemical synthesis

Therefore,the research on the synthesis of some common fine chemical intermediates has very important practical and ...

因此，对一些常见精细化工中间体合成方法的研究具有非常重要的社会和现实意义。

Electrolytic synthesis of calcium iodate was studied,and this method could avoid the disadvantage of chemical method.

采用电化学氧化法制备碘酸钙可以克服化学氧化法存在的问题。

Mesitylene is an important material in organic synthesis mainly used toproduce 1,3,5-trimethylaniline, weedicide, antioxygen agent, medicine and manyvarious fine chemical intermediates.

均三甲苯是一种重要的有机合成原料，主要用于生成均三甲苯胺、除草剂、抗氧剂、医药及多种精细化工中间体。

In this work, we focus our effort on the studying of the sol-thermal and chemical metathesis synthesis of nanomaterials powder.

本论文针对无机纳米粉体的两种合成方法，溶剂热合成和化学交换法，对纳米粉体合成技术进行了探索。

Studying the sol-thermal and chemical metathesis synthesis of nanomaterial powder is the main task.

在课题研究期间，分别对溶剂热合成和化学交换法进行了研究与应用。

This paper consists of studies of synthesis, structure, physico-chemical and catalytic properties of nickel substituted mica montmorillonite .

在本文的第一部分，我们通过改变不同的配料条件和晶化条件，考察了这些因素对NiSMM结晶的影响。

With the combination of heat pipe technology and catalytic reactor,a novel-style ophidian loop heat pipe chemical reactor was established,by which an industrial sidetrack experiment with methyl tert-butyl ether synthesis was carried out.

将热管技术与催化反应器结合，构建了蛇形回路热管反应器。利用该反应器，进行了轻烃醚化工业侧线试验，考察了进料温度、液相体积空速、冷却水流量、进料浓度对反应结果的影响；测定了催化床层的轴向温度分布。

With the combination of heat pipe technology and catalytic reactor, a novel-style ophidian loop heat pipe chemical reactor was established, by which an industrial sidetrack experiment with methyl tert-butyl ether synthesis was carried out.

将热管技术与催化反应器结合，构建了蛇形回路热管反应器。

Given the known reaction mechanism and general chemical considerations, we propose that nicotine, when used as the carbon source by P. putida J5, is catabolized to pyruvic acid via pyrrolidine pathway and then participates in the synthesis of vitamin pantothenate and CoA, which supply the energy for the normal functioning.

通过对突变位点基因的功能分析推测，假单胞杆菌可以将尼古丁代谢为2，5-二羟基吡啶，而2，5-二羟基吡啶可以进一步转化为丁烯二酸和丙酮酸，进而参与了泛酸和 CoA 的合成，为生理代谢提供基质。

KAP6-1.5 and KAP8-2 were also expressed in internal root sheath of primary hair follicle discontinuitily. It demonstrated that KAP6、7、8 were important structure proteins of wool and cashmere cortex,and cells of cortex were keratinizated by KAP6、7、8.KAP6、7、8 participated in the synthesis of wool and cashmere directly, affected the physico-chemical property of pelage.

结果表明KAP6、7、8 mRNA在初级毛囊和次级毛囊的皮质层有强烈的表达信号，KAP6-1.5和KAP8-2mRNA在初级毛囊的内根鞘有微弱不连续的表达信号，说明KAP6、7、8是绒山羊毛和绒皮质蛋白的组成成分，是皮质层中起角质化作用的重要蛋白质，直接参与了绒毛和粗毛的合成，对毛发的理化性质有重要作用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐