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Based on phase diagram principle, magnesium sulfate monohydrate and sodium chloride were prepared by mother liquid of sodium sulfate and magnesium chloride hexahydrate, the process conditions also were optimized. The optimum conditions were 10% excess mother liquid of sodium sulfate, 55℃ reaction temperature, 100℃ evaporation temperature and 1.326g/cm^3 end concentration of evaporation.

利用元明粉母液和六水氯化镁为原料，根据相图原理反应生产一水硫酸镁和氯化钠，对其工艺条件进行了实验优化，确定了最佳工艺条件：配料时，元明粉母液过量10%；反应温度确定为55℃；蒸发温度100℃；蒸发溶液终点比重为1.326g/立方公分。

The results showed that the positive rates of RNA integrity in grind with liquid nitrogen group and in homogenizer without liquid nitrogen group were 68.42% and 29.79% respectively, and there was significant difference between these two groups; however, there was no statistic difference in positive rate of RNA integrity, OD260/OD280 ratio and 3-actin gene expression level between the drug-induced labor group and non-drug induced labor group.

结果发现，液氮研磨组分离完整RNA的阳性率高於匀浆器处理组，分别为68.42%和29.29%，两组比较有显著性差异；药物引产组及非药物引产组在分离完整RNA阳性率、胚胎组织RNA的OD260/OD280比值和胚胎组织β-actin基因表达量上均无统计学差异。

To investigate the method of RNA isolation from human embryonic tissues and the factors influencing the quality of RNA, the RNA from human embryonic tissues obtained with drug-induced labor or non-drug induced labor were isolated by using grind with liquid nitrogen or homogenizer without liquid nitrogen.

为探讨人类胚胎组织完整RNA的分离方法及其影响因素，采用液氮研磨及匀浆器两种制备组织匀浆方法，对不同引产方式的人类胚胎组织进行总RNA分离，并对RNA质量进行鉴定。

The results are helpful to find the proper condition of Bunsen reaction and hydrogen iodide decomposition. Secondly, separation characteristics of 2 liquid phrase and side-reactions from HI、 H_2SO_4、I_2 were investigated experimentally in operating temperature range,from 20℃ to 70℃. The effects of solution temperature 、acid concentration and iodine concentration on separation characteristics of 2 liquid phrase and side-reactions were discussed.

其次，利用恒温型磁力搅拌器加热，使用全自动电位滴定仪滴定离子浓度，在自制的反应器上进行了HI、H_2SO_4、I_2的混合溶液的分层现象和副反应的实验，研究了不同温度、不同浓度的溶液中分层现象的出现，研究了水含量、温度和碘量对液液分离特性的影响和对副反应的影响。

The rule which according to the liquid static pressure formula, the ideal gas equation of state as well as the liquid storage surveys the fluid position, the density, Shui Gaohe the temperature.

根据液体静压计算公式、理想气体状态方程以及液体存储的规律来测量液位、密度、水高和温度。

Imbibition The phenomenon in which a substance absorbs a liquid and swells, but does not necessarily dissolve in the liquid.

吸涨：是一种由于物质吸收液体而膨大，但没有溶解在该液体中的现象。

With the screw rotation and meshing, the sealed space in the pump suction side evolving to inhalation chamber inclose one of the liquid, and from inhalation of room along the screw axis moved continuously push from client, will be closed in the space continuous discharge of liquid, like a nut in the thread when he was constantly turning the situation to move forward, this is the basic working principle of the screw pump.

随着螺杆的转动和啮合，这些密封空间在泵的吸入端不断形成，将吸入室中的液体封入其中，并自吸入室沿螺杆轴向连续地推移至排出端，将封闭在各空间中的液体不断排出，犹如一螺母在螺纹回转时被不断向前推进的情形那样，这就是螺杆泵的基本工作原理。

This paper analyzed the change of the included angle between the liquid level of the liquid tanker and road under different driving modes.

分析了液罐车在不同行驶工况下液面相对路面夹角的变化，引出液面偏离角的概念及其确定方法，为提高液罐车的稳定性及其设计计算与校核提供了依据。

In this paper,utilizing the technology of computer simulation,the change of aluminium electolysing cell incrustation was computed and studied under the condition of different aluminium liquid height ,and the optimal aluminium liquid height was determined.

本文利用计算机仿真技术，对我国某铝厂160kA 大型预焙阳极电解槽在不同铝液水平时槽帮结壳的变化进行了计算研究，并确定了铝电解槽正常生产时最佳的铝液高度。

It is suit for the transportation of inflammable gas and liquid, liquid impurities absorption and discharge.

它适合运送可燃气体和液体，液体impuritys吸收和排放。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐