How to choose the base used in the synthesis of arsine ylide is studied.

本文主要研了胂叶立德成中碱的选择。

The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.

成色满衍的关键是构建含有手性中心的色满环。

Mechanism of its synthesis is discussed based on microprocess of the nucleation of CVD diamond.

结CVD金刚石成核的观过程，探讨了定向金刚石膜的形成机理。

This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.

摘要提供了一种环境友好的成工艺制备香料邻氨基苯甲酸甲酯。

This review mainly outlines the progress in study of silazane synthesis and application.

介绍了硅氮烷的一些成与应用研进展。

They act at least a temporary block to DNA synthesis in micro-organisms.

它们在中至少对DNA成起暂时性的阻止作用。

OBJECTIVE To synthesis 5-bromide benzofuran ketone,the key intermediate of citaopram.

目的成抗抑郁药西酞普兰中间体5-溴苯酞。

This treatise introduces the physicochemical property,reaction mechanisim,synthesis method and the yield of benzyl pyridin benzimidazolone.

对苄基吡啶基苯并咪唑酮的化性质、反应原理、成方法及收率作了详细叙述。

A method for the synthesis of hexylene glycol by catalytic hydrogenation from diacetone is presented.

介绍以双丙酮醇为原料,经催化加氢成异己二醇的方法。

The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.

研对甲基苯磺酸催化成阿魏酸单甘油酯的工艺。

The synthesis processes of polyethyleneglycol diacrylate cross-linker of the super absorbent polymer were studied.

研了高吸水性树脂交联剂聚乙二醇双丙烯酸酯的成工艺。

A reaction engineering analysis was given to a trioxane synthesis reactorssuggested by BASF company.

对德国BASF公司提出的三聚甲醛成反应器进行了工程分析。

We made a synthesis of their studies.

我们综分析了他们的研报告。

This is a summery of the synthesis, structure and reaction of borazine.

对环硼氮烷的成、结构和反应进行了综述。

In addition, the syntheses of one-dimensional chalcogen simple substance under hydrothermal conditions are also explored.

另外，对水热条件下一维硫属元素单质材料的成也进行了研。

The various effects on synthesis of N-methyl-carbamyl chloride were studied.Temperature is most important one.

介绍了影响N-甲氨基甲酰氯成的各种因素，其温度是主要影响因素。

The synthesis of nerolin bromelia by use of various phase transfer catalysts at different conditionsis studied.

研了利用多种相转移催化剂在不同条件下成橙花素。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二乙酯(DEC)为乙基化试剂,与苯酚在气固相条件下催化成苯乙醚。

Silazanes were divided into chain-silazane, cyclo-silazane and poly-silazane according to the material variety and synthesis method.

硅氮烷根据原料以及成方法的不同可分为链硅氮烷、环硅氮烷、聚硅氮烷等。

In this paper, recent development in furanoid and pyranoid carbasugars synthesis from non-carbohydrate sources is reviewed.

本文综述了从非糖类化成五元及六元碳环糖研的进展。