查询词典 ethanol

The reaction was carried at 50 ℃ for 5 hours, ethanol from the reaction was removed by distilling the azeotrope of ethyl acetate and ethanol to complete the reaction.

反应在50 ℃下进行5 h，以过量的乙酸乙酯与生成的乙醇共沸除掉乙醇，使反应进行完全。

Results shown, when extract quantity from pressure column was more than the methanol quantity of the feedings, the content of ethanol extracted had no relationship with reflux ratio, but had relationship with water-ethanol azeotrope.

结果表明，当常压塔采出量大于进料中甲醇的量时，采出物中乙醇的含量与回流比无关，而与水－乙醇共沸物有关。

To calculate the effective diffusivity of benzocaine, it requires knowing the dependence of benzocaine diffusivity on ethanol concentration and the ethanol concentration profile across membrane.

要计算有膨润梯度下benzocaine在膜中的扩散系数，必须先知道乙醇在膜中的浓度分布，及均匀膨润下扩散系数与乙醇浓度间的关系。

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

The results indicated that the use of such membrane could achieve satisfactory separation effects (condensate of high alcoholicity and rich flavoring substances was obtained, membrane-flowing rate: ethanol＞esters except ethyl lactate＞aldehyde＞other alcohol＞water), the membrane had good selectivity to ethanol and ethyl caproate had good membrane-flowing rate and membrane-passing percentage, however, ethyl lactate, aldehyde and methanol had poor mambrane-passing percentage with heavy loss during membrane-passing.

结果表明，渗透汽化膜有良好的分离性能，可得到高酒精度、香味物质富集的冷凝液；过膜速率：乙醇＞酯类＞醛类＞其他醇类＞水；膜对乙醇选择性好，己酸乙酯的过膜率及过膜速率高；乳酸乙酯、醛类及甲醇过膜率较小、损失量较大；渗透汽化膜用于白酒的香气成分分离有良好的工业应用前景。

Has been able to produce cellulosic ethanol in mass quantities at a cost that can compete with corn ethanol.

问题是，在美国没有人能够以可与玉米乙醇竞争的成本大量生产出纤维素乙醇。

Interest in cellulosic ethanol is growing as the drawbacks of making ethanol from maize and sugar become apparent.

在对纤维乙醇的兴趣大增的同时，玉米和糖乙醇产量逐渐下降。

Department of Energy says cellulosic ethanol provides 54 percent more energy than corn-based ethanol in comparison to the amount of energy required for production.

美国能源部表示，比照需要生产的能量的总量，纤维素乙醇提供了比玉米乙醇更多的能量，超过了生产总量的54％。

I assure you that corn-based ethanol will not serve as a barrier to the success of cellulosic ethanol.

达尼恩告诉"连线"网站说：我确信以玉米为原料的乙醇不会成为纤维素乙醇成功的障碍。

The effects of metal ions on ethanol tolerance of self-flocculating yeast was studied by using a defined medium in shake flask culture. The observed improvement of zinc ion supplementation on ethanol tolerance promoted the further examination of zinc ion effect on continuous ethanol fermentation. Zinc sulfate was supplemented into the fermentation medium at the concentrations of 0.01, 0.05 and 0.1gL^(-1), respectively.

研究了6种金属离子在合成培养基中对摇瓶培养的自絮凝酵母乙醇耐性的影响，发现锌离子对高浓度乙醇冲击下的酵母细胞活性有保护作用，并进一步研究了乙醇连续发酵过程中锌的添加对自絮凝酵母乙醇耐性的影响。

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