查询词典 ethyl

Acetone, Ethyl alcohol, Toluene, Ethyl acid or Methyl chloride.

禁止使用酮类物质，普通酒精，甲苯，乙荃酸或甲基氯化物。

Chemical Engineering Institute, Qingdao University, Qingdao 266071, ChinaAbstract: The compatibility and process property of PVC/HDPE blends were studied on the basis of using vinyl chloride/ethyl acrylate copolymer as a compatibilizer, thus polyvinylchloride/(vinyl chloride/ethyl acrylate)/, ie.

以氯乙烯-丙烯酸乙酯共聚物作为聚氯乙烯和高密度聚乙烯的增容剂，研究了共混物的相容性和加工性能，在此基础上研制了聚氯乙烯/氯乙烯-丙烯酸乙酯共聚物/高密度聚乙烯合金，进而研究了合金的力学性能。

"General anesthesia induces loss of consciousness, most often using hydrocarbon s (e.g., cyclopropane, ethylene); halogenated hydrocarbon s (e.g., chloroform, ethyl chloride, trichloroethylene); ethers (e.g., ethyl ether or vinyl ether);"

全身麻醉药会让人丧失意识，最常用的是烃；卤化氢(如氯仿、氯乙烷、三氯乙烯)；醚如乙醚、乙烯醚

"General anesthesia induce s loss of consciousness, most often using hydrocarbons (e.g., cyclopropane, ethylene); halogenated hydrocarbons (e.g., chloroform, ethyl chloride, trichloroethylene); ethers (e.g., ethyl ether or vinyl ether);"

全身麻醉药会让人丧失意识，最常用的是烃；卤化氢(如氯仿、氯乙烷、三氯乙烯)；醚如乙醚、乙烯醚

"General anesthesia induces loss of consciousness, most often using hydrocarbons (e.g., cyclopropane, ethylene); halogenated hydrocarbons (e.g., chloroform, ethyl chloride, trichloroethylene); ethers (e.g., ethyl ether or vinyl ether);"

全身麻醉药会让人丧失意识，最常用的是烃；卤化氢(如氯仿、氯乙烷、三氯乙烯)；醚如乙醚、乙烯醚

"General anesthesia induces loss of consciousness, most often using hydrocarbons (e.g., cyclopropane, ethylene); halogen ated hydrocarbons (e.g., chloroform, ethyl chloride, trichloroethylene); ethers (e.g., ethyl ether or vinyl ether);"

全身麻醉药会让人丧失意识，最常用的是烃；卤化氢(如氯仿、氯乙烷、三氯乙烯)；醚如乙醚、乙烯醚

Methods Gelators of N-lauroyl-l-alanine methyl esterand N-lauroyl-l-alanine ethyl esterwere synthesized with l-alanine methyl ester,l-alanine ethyl ester and lauroyl chloride as materials.

方法以l-丙氨酸甲酯盐酸盐、l-丙氨酸乙酯盐酸盐和月桂酰氯为原料，合成月桂酰-丙氨酸甲酯凝胶因子及月桂酰-丙氨酸乙酯凝胶因子，采用IR、1H-NMR、MS对其结构进行表征，并对其熔点、热稳定性、在各种植物油中的最小胶凝质量浓度、相转变温度等基本性质进行了研究。

Experimental process: jing and 3- methyl -2- methyl ethyl ketonesynthesizes by the benzene zong; Again the glacial acetic acidcatalysis produces 2, 3, 3 - trimethyl - 3H - yinduo; Again has thealkylate response production yinduo iodide after the methyl iodide;The iodide takes off molecular HI under NaOH to become freejier thealkali; Adds 5 - nitryls salicylic aldehydes in the ethyl alcohol forthe solvent under if to respond finally produces 6 '- the nitryl yinduolin spiral benzene and pinan; Through the infrared spectrum andthe ultimate analysis irrevocably proved its structure, and studiedthe annulus with to open the annulus the light to send changes colorthe performance, explained in different solvent medium ultravioletabsorption spectrometry solvent effect, and the comparisondiscoloration the response speed number difference, finally mixed itadds to the methyl methacrylate, the peroxidation benzoin formyl in the plexiglass, tested 6 '- the nitryl yinduolin spiralbenzene and pinan in the glass fatigue resistance, thethermostability.

实验过程：由苯肼和3-甲基-2-丁酮合成腙；再冰醋酸催化生成2 ，3 ，3—三甲基—3H—吲哚；再经过碘甲烷发生烷基化反应生成吲哚碘化物；碘化物在NaOH下脱去一分子HI成为费歇尔碱；在乙醇为溶剂下加5－硝基水杨醛与其反应最后生成6'—硝基吲哚啉螺苯并吡喃；通过红外光谱和元素分析确证其结构，并研究了环体与开环体的光致变色性能，解释了在不同溶剂介质中紫外吸收光谱的溶剂效应，并比较褪色反应速率数的差异，最后将其掺加到甲基丙烯酸甲酯，过氧化二苯甲酰有机玻璃中，测试6'—硝基吲哚啉螺苯并吡喃在玻璃中的抗疲劳性、热稳定性。

Methods 4-Hydroxybenzonitrile (2) as the starting material was transformed to 4-hydroxy-thiobenzamide (3) via thioformylation. And ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate (4), which was synthesized via cyclization from 3, was treated with hexamethylenetetramine to generate the intermediate ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate (5). The target compound febuxostat (1) was obtained from 5 by etherification, cyanidation, hydrolysis.

以羟基苯腈为原料，经硫代甲酰化得到对羟基硫代苯甲酰胺(3)，3经环合得到2-（4-羟基苯基）－4-甲基－噻唑－5-羧酸乙酯(4)，4与乌洛托品反应，得到中间体2-（3-甲酰基－4-羟基苯基）－4-甲基－噻唑－5-羧酸乙酯(5)，之后再经醚化、氰化、水解得到目标产物(1)。

In view of rising feedstock and energy costs, BASF will further increase prices for its acrylic acid and acrylic esters (glacial acrylic acid; methyl acrylate, ethyl acrylate, n-butyl acrylate, 2-ethyl hexyl acrylate), as contracts permit.

在原料和能源成本，巴斯夫公司将进一步提高其丙烯酸和丙烯酸酯（冰丙烯酸，丙烯酸甲酯，丙烯酸乙酯，丁酯丙烯酸2乙基己基丙烯酸酯），价格为合同许可。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。