acetone

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙为原料,氟化钾氧化铝作催化剂合成了苄叉丙。

Benzylidene acetone exports accounted for first in the country.

苄叉丙口量占全国第一。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓形式纯）参与了反应。

explosive powder (nitroglycerin and guncotton and petrolatum) dissolved in acetone and dried and extruded in brown cords.

溶于丙炸药粉（硝化甘油、强棉药和矿脂）干燥后积压线状火药。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量丙,丁基溴化铵催化下,高产率得到溴化碳。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯和丙为原料,用强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化合成乙酰丙中间体乙酸异丙烯酯。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙、苯、甲苯、二硫化碳、二氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙醇、氯仿、丙、乙醚。

On the basis of acetone-phosphomolybdate method to detect phosphorus, the microplate method was developed for the determination of activity units of phytase.

摘要丙法测磷基础上，酶活测定时引入微板法。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙及水作溶剂,对川汉源花椒作了精油提取研究。

feeding the caldron material of the acetone recovering and rectifying tower to a reaction and refining tower for double acetol decomposition and refining in sodium hydroxide aqua;

丙回收精馏塔釜物料进入反应精馏塔氢氧化钠水溶液存下进行双丙醇分解反应及精馏，塔顶物料与以上油相物料合并进入丙回收精馏塔；

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙香豆素：可以改善血液高凝状态，而防止肾小球硬化及新月体形成。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙和丁醇简史、原理、过程,以及载体和培养基选择方法。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

实验室用丙溶解，并用紫外线分光光度仪测定每枚NRID内炔诺剩余量，计算每枚NRID内炔诺释放量，模拟分析NRID主成分炔诺山羊体内释放规律。