查询词典 ethanol

Eight hydrazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, 2-hydroxy-1-naphthaldehyde with nicotinic or isonicotinoyl hydrazide in anhydrous ethanol respectively; Three thiosemicarbazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, o–hydroxyacetophenon with thiosemicarbazide in hydrous-ethanol respectively.

主要包括以下五部分的工作： 1、以水杨醛、邻香草醛、邻羟基萘甲醛、邻羟基苯乙酮分别与烟酰肼和异烟酰肼按1：1的比例在无水乙醇中反应，制备了八种酰腙类Schiff碱；以水杨醛、邻香草醛、邻羟基苯乙酮与氨基硫脲在水-乙醇混合溶剂中反应，合成了三种Schiff碱配体，并对Schiff碱配体的结构进行了表征。

To improve the quality of fuel: ethanol in gasoline motor ethanol is a renewable form of energy, but also is an excellent quality of the gasoline improver.

降低尾气有害排放：汽车有害尾气的排放，特别是在人口密度较大、车流量较大的区域和城市，已成为一种严重的环境污染源。

Systematic isopiestic measurements have been made at the temperature 298.15K for the quaternary system {water (A1)+methanol (A2)+sodium bromide + ammonium bromide} with the mass ratios of water: methanol=9∶1 and 4∶1 and for the quinary system {water (A1)+methanol (A2)+ethanol (A3)+sodium bromide +ammonium bromide} with the mass ratios of water: methanol: ethanol=18∶1∶1 and 8∶1∶1, which were the first isopiestic determining examples for mixed solvent systems.

本文系统地测定了298.15K时混合溶剂各组元质量比为w〓∶w〓＝9∶1和4∶1的四元系{H〓O+甲醇(A2)+NaBr+NH〓Br}和w〓∶w〓∶w〓＝18∶1∶1和8∶1∶1的五元系{H〓O(A1)+甲醇(A2)+乙醇(A3)+NaBr+NH〓Br}的等压平衡，是混合溶剂体系等压性数据的首例。

Based on the ability of Schizosaccharomyces pombe to ferment inulin-containing extracts into ethanol, the production of fuel ethanol by simultaneous saccharification and fermentation using Jerusalem artichoke flour as raw material was presented.

利用粟酒裂殖酵母能发酵菊芋未水解糖液高产乙醇的特点提出了以菊芋粉为原料，同步糖化发酵生产燃料乙醇的新工艺。

Ethanol production by fed-batch fermentation was investigated and the maximum ethanol concentration of 94.81 g/L, equivalent to 81.54% of its theoretical value, was reached with final Jerusalem artichoke flour of 300 g/L in a 5 L jar fermenter.

在此基础上，对菊芋粉补料发酵进行了试验，补料至菊芋粉终浓度为300 g/L，发酵终点乙醇浓度为94.81 g/L，理论转化率为81.54%。

The effects of raw material treatment, Jerusalem artichoke flour concentration, initial pH value on the ethanol fermentation performances of Schizosaccharomyces pombe were investigated in a shaking flask, at the same time, the effects of the constant-pH fermentation and the uncontrolled-pH fermentation, aeration rate on the ethanol fermentation were also studied in a 5 L jar fermenter.

在摇瓶中考察了原料预处理方法、原料浓度和初始pH值对乙醇发酵的影响，进而在5 L发酵罐中考察了未调控pH值和恒定pH值与通气情况对乙醇发酵的影响。

The effects of Cortex phellodendri alkaloid on splenic lymphocyte proliferation after heat stress were detected by MTT chromatometry.On the basis of the above detection,CPAs extracted by limewater,ethanol,sulfuric acid water and the mixture of sulfuric acid-and-ethanol were choosen.

采用MTT法测定了热应激后小鼠脾淋巴细胞增殖的情况，以此作为醇提、碱提、酸醇提、酸提4种提取方法所得黄柏生物碱的筛选依据；采用ELISA法测定了醇提黄柏生物碱对热应激后小鼠脾淋巴细胞IFN-γ、IL-4分泌水平的动态影响。

The reliability of the results of MD was investigated by means of the study of the Partial Molar Volume of ethanol in supercritical CO_2-ethanol system ranging from 308.15K to 328.15K and 11MPa to 15MPa.

本研究对超临界水氧化的工艺研究具有指导意义。在本文的最后部分，在温度为308.15～328.15K，压力为11～15MPa范围内测得了CO_2-乙醇体系中乙醇的偏摩尔体积。

Then the mouse embryos at the stage of 2-cell, 4-cell, 8-cell and morula were cultured in Whitten's medium with 1.0% and 3.0% ethanol to see the sensitivity of mouse embryos to ethanol.

首先利用含0、0.1%、0.5%、1.0%、1.5%、2.0%、3.0%、5.0%和10.0%乙醇的Whitten氏培养液对2细胞胚胎进行培养，发现小鼠2细胞胚胎对培养液中乙醇浓度的耐受极限在1.5%左右。

Even George Bush, a former oilman with a devout following in the industry, called last week for more research into ethanol and biodiesel — two key types of biofuels — and boldly predicted that "ethanol will release gasoline consumption".

即使是乔治-布什这位对石油工业极为忠心耿耿的前石油人，上个星期也提出要增加对乙醇和生物柴油——两种主要的生物燃料——的研究，他还大胆地预测说"乙醇燃料将缓解人们对汽油的消费需求"。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了