1.Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.
以苯甲醛和为原料,氟钾氧铝作催剂合成了苄叉。
2.Benzylidene acetone exports accounted for first in the country.
苄叉的出口量占全国第一。
3.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，有三个乙分子和一个质子（以氧鎓的形式纯在）参与了反应。
4.explosive powder (nitroglycerin and guncotton and petrolatum) dissolved in acetone and dried and extruded in brown cords.
溶于的炸药粉（硝甘油、强棉药和矿脂）干燥后积压出的线状火药。
5.Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.
向次溴钠溶液中滴加适量的,在四丁基溴铵催下,高产率得到四溴碳。
6.Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.
以乙烯和为原料,用强性离子交换树脂代替作为催剂,直接酯合成乙酰的中间体乙异烯酯。
7.No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.
溶于、苯、甲苯、二碳、二氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。
8.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。
9.On the basis of acetone-phosphomolybdate method to detect phosphorus, the microplate method was developed for the determination of activity units of phytase.
摘要在法测磷的基础上，在酶活测定时引入微板法。
10.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（如和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。
11.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。
12.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;
13.(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。
14.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和丁醇的简史、原理、过程,以及载体和培养基的选择方法。
15.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.
物;
为原料,氟
钾氧
分子和一个质子（以氧鎓的形式纯在）参与了反应。
