英汉词典

1.When hexane is mixed with equal volume acetone, the yield decreases sharply, which is the same as cyclo hexane mixed with dichloromethane.

非极性溶剂正已烷和等体积性溶剂丙酮混合后，提取率有明显下降。

2.A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.

建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。

3.The results show that it is easy to separate sucrose-6-acetic ester from sucrose-4-acetic ester, using carbinol and dichloromethane as unfolding agent.

实验结果表明，采用甲醇、二氯甲烷的混合物作为展开剂可较好地分离6位及4位蔗糖乙酸酯。

4.A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.

建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。

5.Dichloromethane was used as extracting agent for the extraction, and then vacuum rotatory evaporator was used for the concentration.

以二氯甲烷为萃取剂对茅台迎宾酒中的微量成分进行了萃取，然后用真空旋转蒸发器将其浓缩。

6.Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.

从南极永久性积雪空气分析大气卤烃的历史：甲基溴化物，甲基氯化物，氯仿和二氯甲。

7.The dichloromethane-ethanol system was the excellent solvent for HPMCAS.

二氯甲烷-乙醇等混合溶剂是HPMCAS的良溶剂；