考察

The effects of reaction time and acetic anhydride/anhydroglucose unit molar ratio on the DS of starch acetates were investigated.

考察了反应时间和酰化试剂用量对酰化程度的影响。

The influence of pH, alcohol and acetone on SOD like activity was investigated.

考察了pH值及乙醇、丙酮对其SOD样活性的影响。

The influence of acetone concentraion and temperature on the metastability has been investigated.

实验考察了丙酮浓度和温度对溶析结晶介稳态的影响。

Influence of active components in the catalyst and acetonitrile hydrogenation condition on behaviors of the catalyst and stability of the catalyst were investigated.

研究了催化剂活性组分和乙腈催化加氢工艺条件对催化剂性能的影响，并考察了该催化剂的稳定性。

The synthesis of methyl benzoate was carried out from acetophenone and dimethyl carbonate in the presence of solid acid and base catalysts.

以固体酸碱为催化剂，研究了碳酸二甲酯与苯乙酮合成苯甲酸甲酯的反应，考察了反应温度、反应时间、催化剂用量和原料摩尔配比等因素对反应结果的影响。

The effects of some factors, such as reaction temperature, reaction time, substrate concentration and yeast concentration, on the acetophenone conversion and- 1-phenylethanol enantioselectivity were investigated by orthogonal experiments.

研究了酵母细胞催化芳香酮的不对称还原反应，采用正交试验综合考察了反应温度、反应时间、底物浓度和酵母浓度等因素对底物苯乙酮转化率和产物1苯基乙醇对映选择性的影响。

This study aims at the application of ESI-MS and MALDI-MS in the identification of acetylation of mouse liver.

本论文的研究工作旨在考察两类生物质谱技术ESI-MS和MALDI-MS在乙酰化蛋白质翻译后修饰鉴定中的应用及其应用于小鼠肝乙酰化修饰谱的鉴定研究。

The solid state ternary coordination compouds of heavy rare earth with acetylsalicylic acid and O-phenanthroline have been synthesized.

通过元素分析，确定了三元配合物的组成为RE3·Phen；考察了三元配合物的红外光谱、热稳定性、紫外光谱和溶解性

The impact of reaction conditions, such as acid/oil ratio, reaction temperature and reaction time on the product yield was studied.

在磺化反应过程中主要考察了反应温度、反应时间和酸油体积比对石油磺酸收率的影响。

The factors influencing on the reaction such as dosage of catalyst, molar ratio of acid to alcohol and reaction time were investigated.

考察了催化剂用量、酸醇物质的量比、带水剂用量以及反应时间等因素对产率的影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。