查询词典 acetone

In this experiment, the content of total flavones in soybean, black bean and soybean sprout were measured using the spectrophotometric method, and distilled water, 70% methanol, 70% ethanol and 70% acetone were chosed as the extraction solvents.

以蒸馏水、70%甲醇、70%乙醇、70%丙酮作为提取剂，用分光光度法测定黄豆、黑豆、黄豆芽中总黄酮的含量。

Bellflower to soil and acetone in petroleum ether 10-Soxhlet extraction in the extraction, extracts of the scale centrifuge tube in a concentrated sulphuric acid purification.

土壤和桔梗以石油醚十丙酮在索氏提取器中提取，提取液在刻度离心试管中以浓硫酸净化。

Under the basic condition, benzylacetone (1) was prepared by condensation with benzaldehyde and acetone.

以苯甲醛和丙酮为原料，氟化钾氧化铝作催化剂合成了苄叉丙酮。

The main contents are:(1) The polarized laser Raman spectra of acetone, methyl alcohol, alcohol, ethylene glycol, formamide, acetonitrile, acetic acid, Chloroform, Methylene chloride, and Bromoform are measured in the experiment.(2) The depolarization ratio of Raman shift in the measured spectrum are

主要的结果有：得到了丙酮分子9条喇曼谱线、甲醇分子5条喇曼谱线、乙醇分子9条喇曼谱线、乙二醇分子7条喇曼谱线、甲酰胺分子8条喇曼谱线、乙腈分子8条喇曼谱线、乙酸分子8条喇曼谱线

And the proton transfer behavior in the mixture of the acetone and the butanone is also observed.

质谱结果表明，离子和中性分子之间存在分子离子反应，同时在丙酮和丁酮的混合物中有质子转移。

Dissolve the ABS by the ratio of 3:10 with the mixture of acetone and butanone half in each.

将ABS与1∶1比例的丙酮、丁酮混合液按3∶10进行混合溶解；将牙托粉与自凝树脂液按3.5∶10比例制成溶液。

Acetone suspension is more stable and the adherence of deposited coatings are higher than ethanol and butanone suspension, and the coating thickness is 50μm.

将丙酮体系电泳沉积所得铝颗粒涂层进行氮气保护下的高温热处理和低浓度氨水处理得到结合牢固，比表面积大的铝/三氧化二铝载体层。

Outlined solvents like, butanone ethyl acetate, acetone, methybenzene ethanol are quick drying solvents.

以上列举的溶剂中象醋酸乙酯、丁酮、丙酮、甲苯、乙醇都属快干溶剂。

Fresh pig lung 8 cases, ABS,acetone and butanone; 0# colorless resin powder and self-solidification resin liquid ,and so on .

离体新鲜猪肺8只；ABS颗粒，丙酮、丁酮；0号无色牙托粉，自凝树脂液，红蓝染料等。

The Company perennial supply of various types of chemical raw materials: acetone, butanone, cyclohexanone, n-butanol, ethylene glycol, propylene glycol, ethanol and so on.

本公司常年供应各类化工原料：丙酮，丁酮，环己酮，正丁醇，乙二醇，丙二醇，乙醇等。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。