The basic requirement for constructing virtual lab is that the remote virtual experiment must be based upon network. The supporting network environment must be based upon Internet, too.

The mechanism and the feasibility of the iron-carbon internal electrolysis-reduction precipitation process were discussed, a single-factor experiment was made upon the process parameters, and then, the optimal process parameter were finally determined through the orthogonal tests.

探讨了铁炭内电解-还原沉淀工艺处理含铬废水的机理和可行性，对工艺参数进行了单因素试验，并通过正交试验确定了优化工艺参数。

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If the Great Depression had not happened 80 years before, there may not have been a natural experiment to draw upon, and perhaps 2009 might have turned out differently.

如果80年前没有发生过大萧条，我们可能就不会有可以利用的自然实验，或许，2009年的情况就会完全两样了。

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Dealing with the quality of treated ballast water, the experiment of hydroxyl upon it is done, measuring three forms of nitrogen.

针对处理后的水质问题，模拟低浓度羟基溶液处理船舶压载水过程，检测了其中三态氮的变化情况。

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To make an better improvement, an experiment is performed upon existing algorithms of distributed association rules mining and obtains improving strategy and solution.

为了更好的对分布式关联规则挖掘算法进行改进，对现有的典型算法做了实验，通过实验得出了改进的策略和解决方案。

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The sixth chapter made an experiment study upon the fluid oscillation characteristics of vortex precession flowmeter.

论文第六章对旋进旋涡流量计的流体振动特性进行实验研究。

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Research on load arrangement method of bridge load testing experiment based upon controls of efficiency of inner force and deformation

基于内力控制兼顾挠度荷载效率的桥梁荷载试验布载方法研究

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Then, the progress on uranium technical mineralogy, solution mining, mineral sorting, leaching, extraction of uranium from solution and slurry and precipitation of uranium compound is stated in simple terms. An Experiment upon Separation of Arsenopyrite from Cu/ Pb/ Zn Polymetallic Sulphide Ore

介绍了它的发展背景，对铀工艺矿物学、溶液采矿、铀矿分选、浸出、由浸出液及矿浆提铀、铀化合物沉淀的新进展作了说明。毒砂与铜铅锌多金属硫化矿分选试验研究

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Bypass carrying out rinsing experiment upon physical model of sediment ejection trough and simulating the flow in sediment ejection trough using hydrodynamics compute software ( CFD), we made certain that it should be suitable when the fundus width of the bend is added suitably.

通过对排沙槽的物理模型进行的清水试验以及用流体力学计算软件CFD对排沙槽内的流动进行模拟，得出适当增加转弯处的底宽对于提高排沙槽的排沙能力有一定的作用。

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This is so true that, if by chance, the socialists have any doubts about the success of these combinations, they will demand that a small portion of mankind be set aside to experiment upon.

这是如此的真实，如果偶然的，这些社会主义者对这些联合的成功有任何疑问，他们就会要求将一小部分人类隔离开来去进行试验。

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Methods Some merits of the modified shuttle like incision was verified through experiment upon Cadavers and accurate mathematical calculation. Then it was used in the resection of 24 patients with benign skin tumour in the maxillofacial region.

方法经尸体实验、计算，证实此改良切口具有多方面优点后，用于切除24例颌面部皮肤良性肿瘤。

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When the oil sunflower seeds were treated with electric field, we make an experiment upon the influence of electric field on the PE of the seeds and the seedling roots.

我们用电场处理油葵种子，测定电场对油葵种子和幼苗根系超弱发光值的影响。

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The writer carried out 1:1 analog systematic experiment upon the single phase earthing arc-extinction current mainly for 6 ( 10) kV cable power supply system.

作者对10（6）kV电缆为主的供电系统单相接地熄弧电流进行了1：1的模拟系统试验。

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Based on the principles of the functions of writing dialogue journals in English teaching, an experiment upon a group of freshmen majoring science is performed.

根据周记写作在英语教学中的作用的有关理论，对一组理科一年级学生进行了一学期的教学试验。

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Then we not only make a coding-decoding experiment upon the single-channel system, but also make a channel disturb experiment upon the multi-channels system.

文中不仅对单信道系统进行了编解码实验验证，而且还对多信道系统之间的干扰进行了实验验证。

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Finally, by MATLAB simulation done experiment upon on control strategy, the simulation results of PD control is compared. The performance of control system is significantly enhanced.

最后对控制方法做了MATLAB仿真实验，与PD控制的仿真效果做了对比，仿真实验效果证明控制系统的性能得到了显著提高。

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An Experiment upon the Properties of Convective Heat Exchange and Flow Resistance within the External Ratched Tubes of Inside Spin

内螺旋外棘齿管管内对流换热与流阻特性实验研究

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Experiment upon APC automatic deviation-rectifying device

APC自动纠偏装置试验研究

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An industrial-scale experiment upon injection of mixing pulverized coals into blast furnace at PZH Steel

攀钢高炉喷吹混合煤的工业性试验

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The Design and Experiment upon New-type Pulling-straightening Roller in CCM

连铸机新型拉矫辊的设计与实验

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This discourse tries an experiment upon widely accepted PXI instruments in the field of application.

本文对目前已被广泛接受的PXI测4试仪器在新的应用领域的应用做了尝试。

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