The effect of various solvents such as water, ethanol and acetonitrile on the title reaction was assessed by the polarizable continuum model. 采用自洽反应场极化连续模型(CPCM模型)研究了反应体系在水、乙醇和乙腈溶液中反应的溶剂化效应。
It's found that the water produced from enzymatic esterification could be removed successfully by addition of acetonitrile(( 0.4%,) volume fraction) and ( 0.04 g) anhydrous ( Na_2SO_4) into the reaction system. 实验结果表明,乙腈作为仿水溶剂(最佳用量为0.4%)在适量无水硫酸钠(0.04g左右)的配合下,可以有效除去酯合成反应产生的水。
The photolysis kinetics of chlorotoluron including a little acetone, methyl alcohol and acetonitrile in aqueous solution followed a first order reaction under HPML. 在高压汞灯下,含有少量的丙酮、甲醇和乙腈溶液中,绿麦隆的光化学反应符合一级动力学方程。
Acetonitrile as solvent, when the molar ratio of template, functional monomer and cross linker is1:8:8and the reaction temperature is60 ℃, the imprinted polymers possess optimal selectivity and adsorbability. 以乙腈为溶剂,模板、功能单体和交联剂的物质的量比为1:8:8时,反应温度为60℃时制备的印迹聚合物具有最佳的选择性、吸附性。
Both of the cosolvent acetonitrile and electrolytic catalyst ferrous sulfate can not improve the yield and current efficiency of the reaction. 助溶剂乙腈以及电解催化剂硫酸亚铁不能提高反应收率和电流效率。
The target compounds in blood samples were separated by BEH-C18 chromatographic colum with 0.1% formic acid water and acetonitrile, finally analyzed with multiple reaction monitoring mode ( MRM). 以青霉素V作为内标,血样经含20%水的乙腈溶液沉淀蛋白后,利用BEH-C18色谱柱,以0.1%的甲酸溶液-乙腈为流动相经梯度洗脱分离,采用多反应监测(MRM)模式进行分析。