硅

In this paper, synthesizing bis-(tert-butyldimethylsiloxy) silicon porphyrin by derivative reagent, makes porphyrin readily amendable to GC-MS、 GC-IRMS ananlysis.

本文利用衍生化的方法合成双—硅卟啉，使其适合GC-MS、GC-IRMS测定。

The content of amidogen monomer is a major factor affecting the product's amonia standard, but the viscosity is affected by direct ratio of the three factors.

就氨基硅油产品的氨值指标而言，在聚合达到平衡时，原料中氨基单体的含量是其主要影响因素；对黏度而言，则受3种因素共同影响，并且与3种因素近似呈正比关系。

Concentrated natural latex, no plasticizers,without silicone oil and ammonification.

采用100%浓缩天然乳胶，无增塑剂，不含硅油，氨化物。

High active enzyme was selected from several lipases which can catalysed the ammonolysis of unnatural sbstance trimethylsilylmethyl acetate.

从不同来源的脂肪酶中筛选出能催化非天然底物———乙酸三甲基硅甲酯的氨解反应且具有较高活性的脂肪酶，并首次探讨了氨源、有机介质、反应初始水活度和温度对该酶促反应的影

The methods of preparation of organosilicon from amorphous silica have been studied.

本文研究了由无定形二氧化硅直接合成有机硅化合物的方法。

The calibrated amperage of each Element is marked on the carton and collar of each Element.

每个硅碳棒的校验电流安培数在集装箱的右下角都有标记并且每一个都固定好的。

The calibrated amperage of each element is marked on the carton and right hand end of each element.

每个硅碳棒的校验电流安培数在集装箱的右下角都有标记。

The calibrated amperage of each Element is marked on the carton and one cold end of each Element.

每个硅碳棒的校验电流安培数在集装箱的右下角都有标记。

By using the OP-10/JFC/ amyl alcohol non-ionic compound emulsifier as stabilizer, about 12% organosilicon was appended after the pre-polymerzation of MA, n-BMA, and MAA acrylate monomer was performed and the temperature was decreased to 62℃, and then the pH value was controlled in 7~8 after the polymerization.

结果表明，以OP-10聚醚渗透剂JFC/戊醇非离子复合乳化剂为稳定剂，在MA、n-BMA、MAA丙烯酸酯单体形成预聚体后降温至62℃，加入12%左右的有机硅单体，反应结束后控制pH值7~8，微乳液具有良好的稳定性，乳胶粒具有翻转型的核－壳结构。

The diamyl glutarate was synthesized by esterification of n- amyl alcohol and glutaric anhydride separated from dicarboxylic acid by catalysis of silicotungstic acid.

以正戊醇和从二羧酸中分离出的戊二酸酐为原料，以硅钨杂多酸为催化剂进行酯化反应，合成戊二酸二正戊酯。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。