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甲醇

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Methanol. Chloromethane.

甲醇。氯甲烷。

The results showed that the total numbers of integral membrane proteins identified based on PAOT,trypsin/chymotrypsin and methanol-modified digestions were 101,59 and 72,which included 67,40 and 31 proteins with GRAVY>0,respectively.

结果表明,甲醇酶解法鉴定到72个整合膜蛋白,其中平均疏水值大于0的蛋白数为31;胰蛋白酶/胰凝乳蛋白酶酶解法共鉴定到59个整合膜蛋白,其中平均疏水值大于0的蛋白数为40个;PAOT法共鉴定到101个整合膜蛋白,其中平均疏水值大于0的蛋白数为67个。

IT IS MONOCLINIC CRYSTAL. IT IS EASILY SOLUBLE IN WATER, LIQUID AMMONIA AND AICOHOL,DOLIPUESCC IN THE AIR, BURN AND OXPLODE WHEN MIXING WITH ORGANICS. IT IS USED AS DEHYDRANT OF MAKING NLTRATE, CINERATION AND CHEMICAL EXPERIMENTATION ETC.

无色透明单斜晶体,易溶于水、甲醇、乙醇,在空气中极易潮解,与有机物混合会发热,有着火及爆炸危险,工业上用作浓硝酸的脱水剂,制造炸药,用作触媒及其他镁盐和硝酸盐的原料,小麦灰化剂,在实验室用作化学剂。

Reductive conversion of geraniol to citronellol is adopted as a model reaction, and several factors in the reaction are discussed using gas chromatography method. The influence of n-hexane and butyl acetate, as organic solvents, on biocompatibility was studied; the influence of methanol, ethanol, glycol, n-butanol and 1-hexanol, as energy substance, on the transformation efficiency was compared, respectively; the catalysis capabilities of Baker's yeast, XST-KO yeast, LP yeast, alcohol yeast, dry yeast, Saccharomyces cerevisiae, Angel yeast and Meishan yeast were discussed. It has been proved that biocompatibility of n-hexane are much better than that of butyl acetate, and the hexane has been demonstrated the most effective in terms of the influence on biotransformation, Baker's yeast has shown the highest tranformation efficiency among the eight yeast strains.

以香叶醇转化为香茅醇作为模型反应,通过气相色谱法进行定性和定量分析研究了影响该有机相生物转化反应的几个基本因素,考察了两种有机溶剂正己烷和乙酸丁酯对生物相容性的影响,选用甲醇、乙醇、乙二醇、正丁醇和l-己醇分别作为能量物质进行实验,比较其对转化的影响并探讨了Baker's酵母、XST-KO酵母、LP酵母、酒精酵母、假丝酵母、干酵母、安琪酵母和梅山酵母八种不同酵母作为生物催化剂对模型反应的催化能力,结果表明,正己烷作为有机溶剂,其生物相容性明显好于乙酸丁酯,更加有利于该生物转化反应进行;乙二醇作为能量物质,该模型反应转化率最高;而 Baker's酵母作为生物催化剂,对该模型反应的催化能力最强,最适合作为该模型反应的催化剂。

The molecular weight dependence of the distribfition of polymer molecules between the coacervate and the dilute phases on the phase separation of polymethylmethacrylate-acetone-methanol system has been proved to follow the relation first derived by Flory for binary systems: f"_j/f′_j = Qe~_j where f"_j and f′_j are the weight fractions of the polymer molecules of molecular weight M_j in the coacervate and in the dilute phases respectively, while Q and σ are parameters.

1。聚甲基丙烯酸甲酯-丙酮-甲醇体系的两次分相实验用θ-溶剂中的沉降速度法测定分相前试样和浓相的分子量分布曲线,得到高分子在浓稀相重量分配的分子量依赖关系 f_j=Qe~证实Flory的溶度函数形式与实际相符,并适用于三元体系的相分离,但Q值与两相体积比R值并不相同。 2。再分级使级分的分子量分布宽度随再分级次数的增加而减小,通常认为到第三次再分级其效果已不显著并不确实。

Synthesis of fatty acid alkylolamide phosphate using cocoanut oil,methanol and monoethanolamide as material.

以椰子油、甲醇和单乙醇胺为原料合成椰子油脂肪酸烷醇酰胺,然后经磷酸化及中和反应制得椰子油脂肪酸烷醇酰胺磷酸酯盐。

There is a growing realization that the only effective way to achieve further reductions in vehicle emissions—short of a massive shift away from the private automobile—is to replace conventional diesel fuel and gasoline with cleaner-burning fuels such as compressed natural gas, liquefied petroleum gas, ethanol, or methanol.

H 人们逐渐认识到,唯一有效的方法来进一步减少车辆尾气的排放量——除了大规模减少私人汽车——替换传统的柴油和汽油,用燃烧得更加清洁的燃料,比如说压缩天然气、液化石油气、乙醇、或者甲醇

There is a growing realization that the only effective way to achieve further reductions in vehicle emissions --short of a massive shift away from the private automobile--is to replace conventional diesel fuel and gasoline with cleaner--burning fuels such as compressed natural gas, liquefied petroleum gas, ethanol , or methanol .

人们逐渐认识到实现车辆尾气排放更进一步减少的唯一有效方法--大规模削减私人小汽车除外--是用燃烧更洁净的燃料,如压缩天然气、液化石油气、乙醇、甲醇代替传统的柴油和汽油。

There is a growing realization that the only effective way to achieve further reductions in vehicle emissions - short of a massive shift away from the private automobile - is to replace conventional diesel fuel and gasoline with cleaner-burning fuels such as compressed natural gas, liquefied petroleum gas, ethanol, or methanol.

这些清洁燃料包括压缩天然气、液化石油气、乙醇和甲醇

Existing problems for the application of methanol fuel in China are analyzed,mainly including the toxicity,compatibility with gasoline,corrosiveness,and vaporizability.

提出了我国甲醇汽油在推广应用中存在的问题,主要从毒性、与汽油相溶性、腐蚀性、蒸发性方面进行了分析。

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