1、

Using urethan as positive test agent, the micronucleus rate of binuclear cell attained to 97.3 ‰, while the acetone negative control was only 9 ‰.

使用氨基甲酸乙酯作为阳性试验物,双核细胞微核率达97.3‰,丙酮阴性对照物仅为9‰。

互联网摘选

2、

There were still a small amount of pentanal and hexanal and a little butyraldehyde, acetone, acetaldehyde and propionaldehyde.

醛类挥发物中除甲醛外还有少量的戊醛和己醛,微量的丁醛、丙酮、乙醛和丙醛。

互联网摘选

3、

The main components of paint spray booth emissions were toluene, xylene, ethyl acetate, butyl acetate, butanol, acetone, and methyl propyl ketone.

该汽车厂喷漆车间废气中的主要组分为甲苯、二甲苯、乙酸乙酯、乙酸丁酯、丁醇、丙酮和甲基丙基甲酮。

互联网摘选

4、

BDM are prepared in acetone with different water content.

用含水量不同的丙酮作溶剂,合成了二苯甲烷双马来酰亚胺(BDM).

互联网摘选

5、

Acetone Analysis Device Based on Catalytic Conversion

基于催化转化的丙酮分析仪

互联网摘选

6、

Leu-Leu endopeptidase in buccal ganglion ( BG) of Aplysia California ( AC) was extracted with acetone-water-HCl ( 48 ∶ 50 ∶ 2) system and purified by RP-HPLC.

利用丙酮-水-酸(48∶50∶2V/V)萃取系统,从加州海兔(Aplysia California,AC)口腔神经节中提取Leu-Leu多肽酶,并用反相HPLC进行纯化。

互联网摘选

7、

Clean crankshaft flange carefully using acetone or solvent naphtha.

使用丙酮或溶剂石脑油仔细清洁曲轴法兰。

provided by jukuu

8、

Afterwards clean the welding areas ( both pipe and socket) with acetone ( or similar) and with fluffless paper.

然后清洁需要熔接处(括管材和热熔套接)用丙酮或其它类似物品。

互联网摘选

9、

Acetone is a common chemical to determine if the part has been remarked, but a less harsh solvent is a combination of3 parts mineral spirits and one part alcohol.

丙酮是一种比较常见的被用来测定元件是否重新标记的化学品,但是不太严格要求的话用三个比例的矿物油和一个比例的乙醇混合而成的溶剂也可以。

互联网摘选

10、

Research and Development of Breading for High-producing Bacterium for Acetone Acid

丙酮酸高产菌育种原理的研究进展

互联网摘选

11、

Study on the New Technology of Aryl Acetone α-Brominating

芳基丙酮类α-溴代反应新工艺的研究

互联网摘选

12、

Separation of Methanol-Acetone Binary Azeotrope by Extractive Distillation

萃取精馏分离甲醇和丙酮共沸物

互联网摘选

13、

Dropped hydrochloric acid or sulfuric acid to acetone oxime, solid hydroxylamine could get.

在所得的丙酮肟中, 滴加浓硫酸或浓盐酸,可以分别得到固体的硫酸羟胺或盐酸羟胺.

互联网摘选

14、

Acetone and dioxane had active effects on the enzyme.

丙酮对酶有激活作用。

互联网摘选

15、

With the run time increasing, however, DIBK formation rate from MIBK and isopropanol condensation dehydration has an obvious drop, though isopropanol dehydrogenation rate and MIBK formation rate from isopropanol and acetone condensation dehydration are still relatively steady.

但随运行周期的延长,尽管其脱氢能力和对异丙醇与丙酮缩合脱水生成MIBK的能力相对稳定,但对MIBK与异丙醇缩合脱水生成DIBK的能力明显降低。

互联网摘选

16、

Study on catalytic dehydrogenation of isopropanol in gas phase to acetone

异丙醇气相催化脱氢制丙酮的研究

互联网摘选

17、

A new technology for preparation of acetone by propylene hydration and isopropanol dehydrogenation

丙烯直接水合-脱氢制取丙酮技术的开发

互联网摘选

18、

First, we develop the theory of resonant X-ray Raman scattering ( RXS) in liquid phase and study the RXS spectra from liquid acetone of superhigh resolution at the first time.

首先,我们建立了液相下的共振X射线拉曼散射(RXS)理论,研究了液相丙酮的RXS光谱。

互联网摘选

19、

During the preparation the products and hydrogen chloride were continuously discharged with full reflux of acetone.

在制备过程中,丙酮全回流并连续地排出产品和氯化氢.

互联网摘选

20、

Under suitable conditions, the conversion on 1, 2-propanediol asas % and the selectivity on acetone aldehyde %.

试验结果表明,在适宜的条件下, 该催化剂对1, 2-丙%,对丙酮醛选择性达到了%.

互联网摘选

  • 今日热词
  • 热门搜索

简答网英语词典(dict.jiandongshicai.cn)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:(如需回复请填写联系方式)
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈