查询词典 ethanol

But before warming to solar power, investors should remember how last year's ethanol boomlet went sour.

但在展臂欢迎太阳能之前，投资者不应忘记去年风光无限的乙醇概念股是如何黯然失色的。

Firstly, 24 chiral Schiff base ligands were prepared and evaluated for theasymmetric HDA reaction between Brassard diene with benzaldehyde. Theresults revealed that the ligand derived from 3,5-di-tert-butylsalicylaldehydewith (1R,2S)-2-amino-1,2-diphenyl-1-ethanol shows an excellent chiralinduction in the reaction.

首先合成了 24 个手性三齿席夫碱配体，并应用于 Brassard 二烯与苯甲醛的不对称 Hetero-Diels-Alder 反应，结果表明，3，5-二叔丁基水杨醛与(1R，2S)-1，2-二苯基-2-氨基-乙醇生成的单席夫碱显示出优秀的手性诱导能力。

Ethanol vapor was introduced into the fluidized-bed from a temperature-controlled bubbler by the flow of Ar.

该方法是让AR气流直接携带乙醇蒸汽进入反应器，用流化床反应器代替石英舟，使乙醇蒸汽与催化剂混合更加均匀，有利于SWCNTS的生成。

Objective To study the chemical constituents of the 70% ethanol extract of the husks of Xanthoceras sorbifolia Bunge.

目的对文冠果果壳乙醇提取物的化学成分进行研究。

New engine systems that burn fuels with higher levels of ethanol are currently being tested in North America.

新的发动机系统，燃料燃烧程度较高的乙醇，目前正在测试在北美地区。

Also, ethanol is an octane enhancer, which can reduce emissions of cancer causing benzene and butadiene, by more than fifty percent.

除此之外，乙醇还可以增加燃料的辛烷值，从而可以减少50%以上的由于燃烧不完全而产生的有害物质的排放。

Measurements of sensitivity showed that the films annealed at 500℃ had high ethanol sensitivity (67%), the sensitivity of butane is not high in the temperature around 225℃.

退火温度500℃的样品在工作温度225℃时，对乙醇有较高的灵敏度，灵敏度达67%，对丁烷的灵敏度不高。

Twelve kinds of volatile products in the fermentation broth were determined, in which ethanol, acetic acid, 1, 2-ethanediol, butanoic acid and glycerine were the major compounds, and they can be utilized by methanogenic organism directly or be changed into compounds that can be utilized by methanogens organism directly.

MC1分解木薯渣过程中可溶性物质总含量开始为18%，3 d后达到最高，为33%，GC-MS测定挥发性产物的总量在培养6 d后达到最高，挥发性产物共检测出12种，其中量较大的化合物为乙醇、乙酸、乙二醇、丁酸及甘油，这些产物为甲烷发酵菌可直接利用或者容易转化为甲烷菌直接利用的成分。

Formulas of distribution ratios of ethanol and butanol were proposed, and calculated results coincide with experimental results.

由实验数据回归出了络合剂与醇的络合比及络合萃取平衡常数，建立了醇的分配系数的关联式。

The most common use of bio-fuels is in powering vehicles, with many new car models able to run on biodiesel or alcohols such as ethanol and butanol.

最常见的使用生物燃料是在电源的车辆，许多新车型能够运行对生物柴油或醇类，如乙醇和丁醇。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。