Benzylidene acetone exports accounted for first in the country.

苄叉的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸反应,合成了新型高效的剂二甲二环烷。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨好的新鲜试样必须在工业酒精及纯中洗涤。

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

以苯甲醛为原料,氟铝作催剂合成了苄叉。

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、、乙醚。

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

向次溴酸钠溶液中加适量的,在四丁基溴铵催下,高产率得到四溴碳。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

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、及水作溶剂,对四川汉源花椒作了精油提取研究。

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

以乙烯为原料,用强酸性离子交换树脂代替浓硫酸作为催剂,直接酯合成乙酰的中间体乙酸异烯酯。

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（如三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

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，有三个乙酸分子一个质子（以鎓的形式纯在）参与了反应。

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.

本文研究了丁菌发酵法生产丁醇的简史、原理、过程,以及载体培养基的选择方法。

(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)肝素与苄香豆素：可以改善血液的高凝状态，而防止肾小球硬及新月体形成。

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.

在实验室用溶解，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主成分炔诺在山羊体内的释放规律。