1、

Study on synthesis of maleic ( 2-2 ethyl hexyl) ester by HWP

杂多酸催化合成马来酸(2-2乙基己基)酯的研究

互联网摘选

2、

Synthesis of ( 4-aminophenoxy) ethyl 4-aminobenzoate

4-氨基苯甲酸(4-氨基苯氧)乙酯的合成

互联网摘选

3、

With this apparatus, the vapor phase p-V-T data of ethyl acetate-acetic acid binary system over the range of 25~ 80 ℃ and 38~ 505 mm Hg were determined.

用此装置,测定了醋酸乙酯-醋酸二元系在25~80℃和38~505mm Hg范围内的气相p-V-T数据。

互联网摘选

4、

The Di ( 2-ethyl hexyl) Adipate ( DEHA) in Nenjiang river water was extracted by hexane with ultrasonic generator.

采用超声波提取技术,用正己烷提取嫩江水中己二酸二(2-乙基己基)酯增塑剂,以气相色谱/质谱联用选择离子监测法检测,外标法定量。

互联网摘选

5、

Ethyl bromide or iodide at 20 torr was irradiated by a TEA CO2 laser. The reaction products were identified by means of infrared spectrometry, gas chromatography and CW CO2 laser photoacoustic spectroscopy.

~20托溴乙烷或碘乙烷用TEA CO2激光辐照,其产物用红外光谱、气相色谱和CW CO2激光光声光谱检测。

互联网摘选

6、

They were: Isoamyl acetate, 1-Hexanol, Caprylic acid, Ethyl caprate,β-Phenylethyl alcohol, Isobutyl alcohol, Ethyl acetate, 2-Phenylethyl acetate, Isoamyl alcohol.

它们是:乙酸异戊酯、1-己醇、正辛酸、癸酸乙酯、β-苯乙醇、异丁醇、乙酸乙酯、乙酸苯乙酯、异戊醇。

互联网摘选

7、

Synthesis of Ethyl Tert-butyl Ether by Niobic Acid introduce the butyl group into a chemical compound.

酸处理的铌酸催化合成乙基叔丁基醚把丁基引入化学中的化学物。

互联网摘选

8、

Solid lipid nanoparticles aqueous dispersion loaded ethyl acetate extract of Tripterygium wilfordii Hook.

制备雷公藤乙酸乙酯提取物固体脂质纳米粒水分散体,并初步研究了体外透皮行为.

互联网摘选

9、

A new organic electron transport material , N-ethyl-4-as the electron transport layers in organic EL devices.

报道新型有机电子传输材料N - 乙基 -4- 乙酰氨基萘亚胺及其在有机电致发光器件中的电子传输性.

互联网摘选

10、

Ethyl acetate is an excellent solvent and extractant and is an important chemical material too.

乙酸乙酯是性能优良的溶剂、萃取剂和重要的化工原料。

互联网摘选

11、

Ethyl alcohol was used for diluent.

采用乙醇作稀释剂。

互联网摘选

12、

Isoamyl propionate is a colorless liquid with a pineapple and pear aroma, slightly soluble in water, miscible in ethanol, ethyl ether, insoluble in glycerin.

丙酸异戊酯是无色液体,具有菠萝及洋梨香气,微溶于水,可混溶于乙醇、乙醚,不溶于甘油。

互联网摘选

13、

By using dimethylamino ethyl methacrylate to modify acrylate resin, we acquired a new type of acrylate resin with reactive amino group. Further, we engineered a modified acrylic-epoxy powder coating.

选择甲基丙烯酸二甲基氨基乙酯来改性丙烯酸树脂,获得带有反应性氨基的丙烯酸树脂,进而制备了改性丙烯酸环氧粉末涂料。

互联网摘选

14、

The lead free silver conducting pastes were prepared by using silver powder, lead free low-melting glass and terpineol ethyl cellulose solution.

以银粉、低熔无铅玻璃和乙基纤维素松油醇溶液制备了无铅银导电浆料。

互联网摘选

15、

A simple TLC method for monitoring the synthetic process of 3-bromo-ethyl levulinate is reported, and the reaction condition is optimized.

用薄层色谱法监测溴素溴化乙酰丙酸乙酯生成3-溴乙酰丙酸乙酯的反应过程,优化了反应条件,方法简单,快速,准确。

互联网摘选

16、

the purity of object product was 98.6 %, total yield reached 39.5 % ( calculated based on ethyl cyanoacetate ).

所得产物的纯度为98·6%, 总收率达到39·5% ( 以氰乙酸乙酯计 ).

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)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:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈