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The present invention is organic smectite gel and its preparation process.

一种蒙皂石有机凝胶及其制备方法,以蒙皂石类矿物如镁皂石为原料,在制取蒙皂石无机凝胶之后,特别经过下列步骤进行处理:1。

Pre-deformation prior to overaging remarkably refine and spheroidize the grain structure of AA2195 Al-Li alloy.

过时效前的轧制预变形明显细化并等轴化AA2195 铝合金的晶粒。

Stero sound,bass is good,rechargeable li-ion battery,take it convience.

3数码立体声音效,低音效果,内置可充电电池,袖珍小巧,方便携带。

Stero sound,rechargeable li-ion battery,take it convience.

3数码立体声音效,内置可充电电池,袖珍小巧,方便携带。

A novel carbon-sulfur nano-composite as cathode for lithium battery was synthesized by heating sublimed sulfur and high surface area activated carbon in certain conditions.

用该复合材料作为正极活性物质所制备的蓄电池具有较好的循环性能和高的比容量、比能量。

In our previous research, we found lithium ion played a crucial role on the stereoselective tuning of the cyclopropanation reaction of telluronium allylides with α,β-unsaturated esters or amides.

前述工作中,我们发现离子对烯丙型碲叶立德和 a , b -不饱和酯、酰胺反应的立体化学控制起着重要的作用。

The test indicates:if the time of drying samples is more than 4 h,taking lithium tetraborate as flux,and temperature of melting samples controls at 1 100 ℃,the most stable percentages of gold and platinum can be determined,which are 0.243% and 0.174% respectively.

实验表明:样品干燥时间在4 h以上,然后以四硼酸为熔剂,熔样制片温度控制在1 100 ℃时,测得金和铂含量最稳定,其质量分数分别为0.243%和0.174%。

In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol(MW 400 and 6,000),lithium hydroxide is the best alkali among lithium hydroxide ,sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇(分子量为6,000)和聚乙二醇(分子量为400)相转移催化体系中,氢氧化最好,氢氧化钾次之,氢氧化钠最次。

These results indicate that the tetravalent ions doped LiNbO3 will be the excellent nonlinear optical crystals.

这些实验结果表明,四价掺杂铌酸晶体有望成为出色的非线性光学晶体。

The basic data obtained from the experimental research were calculated and disposed with computer and concluded an important principle of Li〓O by silicon thermoreduction. The factors affected the reduction such as temperature, pressure and time were dicribed by methematical equations. The relation ships of reduction rate with temperature, pressure and time were directly expressed by three-dimension figures. The relating mathematical equations described the process derived from research were proved to be coincided with the practice. Therefore, the obtained results were accurate and reliable and of important value.

运用计算机对试验研究得到的基本数据进行计算和处理,得到了氧化硅热还原的重要规律;用数学方程描述了温度、压力和时间还原的影响;用三维立体图直观地表现了温度、压力和时间〓与还原率的关系;研究得到的描述过程的有关数学方程,经验证与实际相符,因此得到的结果准确可靠。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。