Experiment observation on properties of dodecyl dimethyl benzyl ammonium chloride

1、

The solubility, surface tension and critical micelle concentration of the anionic and cationic surfactant blend of dodecyl polyoxyethylene methylammonium chloride and dodecyl polyoxyethylene ether sulfate with different oxyethylene units were studied.

研究了十二烷基甲基聚氧乙烯氯化铵与脂肪醇聚氧乙烯醚硫酸盐复配体系在不同乙氧基化数的溶解性、表面张力及临界胶束浓度。

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2、

The results showed that the distance between layers of OMMT ( DK2) modified by bis-hydroxyethyl dodecyl trimethyl ammonium chloride was larger;

结果表明，经双羟乙基十二烷基三甲基氯化铵改性得到的OMMT（DK2）层间距较大；

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3、

In order to compare the efficacy of the disinfectant solution containing benzyl-di-( 2-hydroxyethyl) dodecyl ammonium chloride, the germicidal ingredient, in kil-ling microorganisms in suspension and on cloth strip, suspension and carrier quantitative germicidal tests were carried out.

为比较杀菌成分为苄基－双－（2－羟乙基）十二烷基氯化铵消毒液对悬液中与布片上微生物的杀灭效果，进行了悬液与载体定量杀菌试验。

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4、

Objective to know the germicidal efficacy of the disinfectant solution containing benzyl-di-( 2-hydroxyethyl) dodecyl ammonium chloride, carrier quantitative germicidal test were carried out.

目的为了解杀菌成分为苄基一双一（2&羟乙基）十二烷基氯化铵消毒液对微生物的杀灭效果。方法载体定量杀菌试验。

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5、

Position the underhood lamp on the hood inner panel.

将引擎盖未闭合灯固定于引擎罩内板上.

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6、

And this time, the hood has been open flame.

而这时, 引擎盖已经有明火了.

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7、

Waves of heat danced above the engine hood.

热浪在引擎盖的上方翻腾.

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8、

An adaptive feature of plant to reduce water loss; the stoma is enclosed in crypts on the lower epidermis.

植物为减少水分散失的一个适应特征，气孔位于下表皮凹入的位置。

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9、

The door on the left, upon entering the church, leads to the Crypt of St Issac

一进教堂左边的那扇门通往圣以撒墓。

柯林斯高阶英汉双解学习词典

10、

A crypt at Notre Dame Cathedral in Paris has reopened to the public with an exhibition dedicated to writer Victor Hugo and architect Eugene Viollet-Le-Duc.

巴黎圣母院大教堂地下室重新向公众开放，展出作家雨果和建筑师尤金·维奥莱特·勒德克的作品。

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11、

Two skeletons discovered in a crypt in an Italian cathedral are those of Christian saints who were martyred in ancient Rome, experts have claimed.

两具遗骸现身意大利某大教堂地下室，专家断定其属于古罗马时期殉道的基督圣徒。

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12、

The young father held up his son so that he could see the far-away fireworks.

年轻的爸爸将孩子高高擎起,让孩子能看到远处的烟火.

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13、

Fans from different countries are holding aloft the national flags of their country.

来自各国的啦啦队员高擎着各国国旗.

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14、

The hero was borne aloft on the shoulders of the crowd.

这个英雄被人们高擎肩上.

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15、

Chief Medical Officer Marvin D. Seppala, M.D. said that the biggest hurdle in treating the executive is the alpha dog mentality-ironically the very thing that made him or her successful in the first place.

首席医疗官、医学博士马文oDo斯帕拉表示，治疗高管最大的障碍是他们的领袖心态——讽刺的是，正是这种心态让他们取得了成功。

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16、

if you really wanna get your turf back, you're gonna have to start acting like the alpha dog. Right. Alpha dog.

如果你想要夺回你的窝，就得表现出老大的气势。

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17、

He's been the alpha dog on losing teams too long and doesn't know how to win.

他一直是个失败球队的领头狗，这已经太长时间了，并且它他不知道怎样赢球。

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18、

According to preliminary investigations by concerned parties, the cause of the failure was that the satellite's apogee engine was unable to normally operate because of a breakdown in the fuel valve.

据有关方面初步调查，卫星的远地点发动机因燃料阀发生故障不能正常运转是造成失败的原因。

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19、

Research on the High Specific Impulse Bipropellant Liquid Apogee Engine

高比冲双组元液体远地点火箭发动机研究

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20、

By spoking English daring and using the correct reading skill to make much practice constantly it only can be formed thinking in English to exchange ane write, so that to achieve the good results of improving English study.

只有不间断地进行听说训练，并大胆开口讲英语，同时把握正确的阅读技巧，进行大量的练习，才能很好地形成用英语思维进行交流与写作的习惯，从而达到提高英语学习效果的目的。

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