acetone

Acetone is well suited to test ultraviolet ( UV ) coating for curing degree.

丙酮十分适合用来测试紫外线 ( UV ) 涂层的固化程度.

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They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but, DMF and DMSO.

它们溶于N, N- 二甲基甲酰胺 、 N, N-二甲基乙酰胺和二甲基亚矾等溶剂,但不溶于水 、 乙醇 、 甲醇 、 丙酮 、 氯仿和苯.

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Irone was obtained through three steps reactions with citral and acetone base catalyst to give pseudoionone.

采用山苍子油提取得到的柠檬醛和丙酮等为主要原料合成鸢尾酮.

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Properties Soluble in benzene, acetone, chloroform, a little soluble in alcohol, insoluble in water.

性质溶于苯 、 丙酮 、 氯仿, 微溶于乙醇, 不溶于水,对呼吸道与皮肤有刺激作用.

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Acetone is the most abundant carbonyl in the atmosphere, followed by formaldehyde and acetaldehyde.

大气中一般是丙酮的浓度最高, 其次是甲醛和乙醛.

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METHODS Mengoferin was dissolved in water and acetone, then dripped with sodium bicarbonate solution.

方法:将芒果苷置于水和丙酮的混合溶液中, 滴入碳酸氢钠水溶液,溶液澄清后滤过.

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The swelling agent was acetone.

溶胀剂为丙酮.

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Acetone Finger nail polish remover , a preservative for dead frogs, an insecticide.

丙酮:指甲水和杀虫剂的组成成分, 也可用于防腐.

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Chlorophyll was extracted from leaves of table beet and fodder beet by 80 % acetone.

采用80%丙酮提取法提取食用红甜菜和饲用甜菜叶片中的叶绿素;用0.

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The salt formation and crystallization process of cefoperazone with sodium bicarbonate water and acetone were reported.

优化了头孢哌酮酸和碳酸氢钠的成盐、析晶等工艺条件,制备了头孢哌酮钠.

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1 ∶ 1 acetone solution was used to extract dry ivy mosses, from which lixivium was extracted by ethyl acetate. They always connected water with their attitude. acetone;

用1∶1的丙酮水对贡菜干品浸提，经减压回收丙酮，以乙酸乙酯萃取，再减压回收乙酸乙酯，得到贡菜提取液。

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Immerse the end of the column in a vial of acetone and check bubbles.

将柱尾端入丙酮中检查气泡.

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Objective To experimentally study the anticonvulsant activity of an acetone-extract form Stellera chamaejasme L . ( AESC ).

目的　研究瑞香狼毒丙酮提取物 ( AESC ) 抗惊厥作用.

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DOT regulations control the amount of acetone and acetylene allowed in each size cylinder.

dot的 规范控制了允许充入每种尺寸钢瓶的丙酮和乙炔的数量.

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Acetone is impregnated fabric coating, above, to curing coatings will be dissolved.

方法是用浸透丙酮的布块在涂层上面擦拭, 若固化不良,涂层会被溶解.

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Technical progress of domestic and foreign acetone-benzol dewaxing units were introduced in detail.

详细介绍了国内酮苯脱蜡装置技术进展情况.

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The charge transfer reaction between albendazole and chloranilic acid in alcohol acetone solution was studied spectrophotometrically.

研究并确定了阿苯达唑与氯冉酸的荷移反应条件.

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The properties of products prepared by acetone process and prepolymer mixing process are compared.

简述水性聚氨酯制备方法,并对丙酮法和预聚物分散法所制产品性能进行比较.

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It is also used for salvaging acetone-body patients because of its resisting acetone-body effect.

有较强的抗酮体作用,可用以抢救酮体病人.

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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丙酮中洗涤.

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The separation of acetone, ethanol, benzene, chloroform, toluene was performed on a 10 % PEG-20 M Chromosorb-W-AW-DMCS column.

对样品中残留丙酮 、 乙醇 、 苯 、 氯仿 、 甲苯的分离选用10%PEG-20Mchromosorb -W-AW-DMCS 公谱柱.

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After some initial problems, acetone was successfully produced in quantity.

解决了最初的一些问题之后，终于成功地制造出了大量丙酮。

《柯林斯高阶英汉双解学习词典》

One might expect azomethane to have a Y structure similar to that of acetone ( CH 3 ) 2 CO.

可以预期偶氮甲烷分子具有和丙酮 ( CH3 ) 2CO分子相似的丫形结构.

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Table 1 property parameters of acetone.

参数数据如表1所示.

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A new bimetallic basicity catalyst used for synthesis of methyl isobutyl ketone from acetone and hydrogen.

制备了常压下丙酮与氢气合成甲基异丁基酮的双金属碱性催化剂,并测定了其反应活性.

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Acetone ( or dimethyl ketone ): Simplest and most important ketone ( CH 3 COCH 3 ) .

丙酮: 亦称二甲基酮:分子式为 CH3COCH3,最简单和最重要的酮.

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As the rubber droplets lose the acetone solvent, they become tacky and agglomerate.

当橡胶滴失去丙酮溶液后, 变成粘的,聚集态的.

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It was than allowed to thoroughly dry and dissolved in acetone.

它是比让周到地烘干和溶化在丙酮里.

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Outlined solvents like , butanone ethyl acetate, acetone, methylbenzene 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.

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A small quantity of acetone in feed material is advantageous to the increase of the catalyst activity, selectivity of MIBK and DIBK, but excess acetone will make against the synthesis reaction process.

反应物相中少量丙酮的存在有利于催化剂活性、MIBK和DIBK选择性的提高，但过量丙酮的存在对合成反应不利。

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