查询词典 octane

The influences of solvent to oil ra-tio, temperature and the composition of the sulfur compounds on the desulfurization of a simulated FCC naphtha con-sisting of n-octane, thiophene and benzothiophene by single-stage solvent extraction were studied first.

以PEG-400为萃取剂，研究了由正辛烷、噻吩、苯并噻吩构成的汽油模拟体系，考察了单级萃取中溶剂比、温度和硫化物组成对分配系数和脱硫率的影响，在剂油比为1时，对模拟体系的脱硫率可以达到64.2％。

The oxidative desulfurization of model oil and straight-run diesel catalyzed by phosphomolybdic acid under traditional heating and microwave radiation was studied, with benzothiophene and dibenzothiophene dissolved respectively in n-octane as the model oil and the aqueous solution of H2O2 as the oxidant.

将苯并噻吩和二苯并噻吩分别溶于正辛烷配成模型油，以H2O2为氧化剂，研究普通加热和微波辐射加热下磷钼酸催化模型油和直馏柴油的氧化脱硫效果。

Adamantane and bicyclo (222) octane are predominantly Chlorinated at the bridgeheads by this procedure.

金刚烷和二环〔222〕辛烷主要是按照这个程序在桥头氯化。

The possibility of synthesizing 2,4,6,8-tetranitro- 2,4,6,8 -tetraazabicyclo[3,3,0]octane(Bicyclo Octogen or Bicyclo- HMX) have been studied.

本文探索了合成2，4，6，8-四硝基-2，4，6，8-四氮杂双环[3，3，0]辛烷的可行性。

As a continuation of our previous research on syntheses of tetrahydrofuro[3,2-b]furan-1(5H)-one, Dr. Zhang Yi-Jun started the total synthesis of pallavicinin B in 2002, and made strategic achievement in building the bicyclo[3.2.1]octane skeleton.

基于我们小组多年来对具有四氢呋喃并γ-丁内酯子结构的天然产物全合成研究的兴趣，从我们小组张怡隽博士就已经开始了pallavicinin B的全合成研究，并取得了阶段性的进展：成功构建了骨架中下半部的二环[3.2.1]辛酮。

Furthermore, the main volatiles rom Hippophae rhamnoides included Nonane, Octane, 3-methyl-1-Butanol, Pentanal, 2-methyl- Butanal, 2-Hexen-1-ol, 2-Hexenyl benzoate in close natural state.

在近自然状态下，壬烷、辛烷、3-甲基丁醇、戊醛、2-甲基丁醛、2-壬烯醇、2-苯甲酸叶醇酯为沙棘枝叶主要挥发物组分。

In the system, cetyl trimethyl ammonium bromide was used as the surfactant, Octane was used as the solvent and hexanol was used as the co-solvent.

在此萃取体系中，以十六烷基三甲基溴化铵作为表面活性剂，辛烷和己醇作为溶剂及助溶剂。

Madonna may have walked the red carpet in a glittering Chanel gown to launch her new film at Cannes on Wednesday, but the nature of I Am Because We Are is in stark contrast to the high-octane glamour of the Croisette.

麦当那也许于周三穿着她闪闪发光的香奈儿毛戎大衣走在猩红的地毯上，但是，这部电影的内容本质与这家大酒店的富丽堂皇的感觉是格格不入的。

The experimental results indicated that under the steady operating conditions, the ignition timing of the base fuel (PRF90-90% iso-octane+10% n- heptane), which is equivalent to RON 90, delayed and the peak value of the heat release rate was low compared to the base fuel with single additive (Ditert-butyl peroxide-DTBP, Dicumyl peroxide-DCP, Tert-butyl hydroperoxide-TBHP, Tert-butyl cumyl peroxide -TBCP or Cumene hydroperoxide-CPO) which advanced ignition timing and increased the peak of the heat release rate obviously.

试验结果分析表明，在HCCI发动机燃烧稳定工况下，没有添加剂的基础燃料记作PRF90(为90%异辛烷与10%正庚烷的混合，相当于90号汽油)着火滞后，燃烧放热率峰值低，而混有单一添加剂(Ditert-butyl peroxide-DTBP、Dicumyl peroxide-DCP、Tert-butyl hydroperoxide-TBHP、Tert-butyl cumyl peroxide-TBCP或Cumene hydroperoxide-CPO)的基础燃料则着火明显提前，燃烧放热峰值升高。

Previously, the strain K14 was screened with strong nematocidal activity, and a new water soluble nematocidal compound 2, 4, 6-triacetylenic octane diacid was isolated from the fermentation broth of K14 in this work. It is the first report that polyalkyne compound had nematocidal activity.

前期工作中筛选到一株对线虫活性强的食线虫菌物K14，我们对其产生的杀线虫活性化合物进行了进一步活性追踪分离，从其发酵液中分离到一个具杀线虫活性的新化合物2，4，6-三炔辛二酸，为水溶性成分，是首次报道多炔类化合物具有杀线虫作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。