查询词典 glacial acetic acid

The Rf value of the glucosamine sulfate was 0.36 measured by paper chromatography with the solvent system of pyridine, ethyl acetate, water and glacial acetic acid (5:5:3:1 in volume).

经纸层析鉴定，以吡啶、乙酸乙酯、水和冰醋酸按体积比5：5：3：l组成的溶剂系统进行展层，氨基葡萄糖硫酸盐的Rf值为0.36。

Dilute 12 g of glacial acetic acid to 100 ml with water .

稀醋酸 取12 g的冰乙酸，加水使成100 ml。

Soluble In water and insoluble in ethanol, acetone or glacial acetic acid.

在水中易溶，在乙醇、丙酮或冰醋酸中不溶。

The effects of molar ratio of anhydrous ethanol to glacial acetic acid, dosage of catalyst, reaction temperature and reaction time on the esterification ratio and reuse of catalyst were discussed.

探讨了酸醇物质的量的比，催化剂的用量，反应时间和反应温度对酯化率的影响及催化剂的重复使用情况。

Of glacial acetic acid, 15 g.

先给你个，希望有用。

In the method glacial acetic acid was used as solvent, and 0.2 % viola crystalline was used as indicator.

建立了测定盐酸水苏碱含量的非水滴定法。

The detection of infrared spectrometer and ultraviolet spectrometer proved that glacial acetic acid had been inserted into graphite.

并综合正交试验设计和实际验证试验的结果，得到制备可膨胀微粉石墨的最佳工艺条件。

The mobile phase was methyl alcohol-5% glacial acetic acid (22∶78) and detecting wavelength was 322 nm.

5%冰醋酸溶液（22∶78）为流动相，检测波长322 nm。

The mobile phase was methyl alcohol-5% glacial acetic acid (22∶78) and detecting wavelength was 322 nm.

方法采用HPLC法，uBondapak C18(4.0 mm×250 mm)柱，甲醇 5%冰醋酸溶液（22∶78）为流动相，检测波长322 nm。

Based on the comparison of coal desulfurization effects of several kinds of oxidants,the mixed oxidant of glacial acetic acid and hydrogen peroxide was selected as the best.

在用多种氧化剂对煤炭脱硫效果进行比较研究的基础上，筛选出脱硫效果最好的冰醋酸与过氧化氢混合物氧化剂。

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。