查询词典 leaching

This paper made study on gold extraction by leaching plating sludge wit h acidic thiourea solution.

研究了酸性硫脲溶液从电镀污泥中浸提金的方法。

The method comprises steps as follows:(1) Chinese herbal medicines are taken and added with purified water for soaking, with the material-to-water ratio of 1:10;(2) the Chinese herbal medicines with the purified water are placed in a microwave heating system; the power of the microwave and the radiation extraction time are controlled;(3) leaching liquor is poured out and put into a centrifuge for centrifugation to obtain the Chinese herbal medicine water extract;(4) polyethersulfone ultrafiltration film is arranged in an ultrafilter; the Chinese herbal medicine water extract is poured into the ultrafilter and placed in a normal pressure type microwave heating system; and (5) the power of the microwave and the radiation extraction time are controlled and the pressure of nitrogen is regulated so as to obtain the purified Chinese herbal medicine water extract.

本发明公开了一种利用微波辐射改善中草药水提液膜超滤过程的方法，该方法由以下步骤完成：(1)取中草药材以1∶10的料液比加入纯净水，浸泡；(2)置于微波加热系统，控制微波功率和辐射提取时间；(3)倾出浸提液；然后用离心机离心得中草药水提液；(4)超滤器内置有聚醚砜超滤膜，将中草药水提液倒入超滤器并置于常压式微波加热系统；(5)控制微波功率和辐射提取时间，调节氮气压力，得到纯化的中草药水提液。

Therefore, this study can provide the basis for dealing with acid leaching time of uranium ore.

结果表明：多元线性回归分析方法简单、误差较小、简便可靠，能如实地反映酸法浸出情况，进而为处理铀矿石选择适宜的酸度和浸出时间提供了依据。

The results of condition tests of higher column leaching of uranium ore are summarized in a vein-group-type uranium deposit.

总结了某群脉状铀矿床原地爆破浸出采铀矿石高柱浸出条件试验结果。

The construction characteristic of biomembrane oxidizing tank and specialty of packing material used in the process of bacterial heap leaching of uranium ore are introduced in this paper.

介绍了铀矿细菌堆浸的生物接触氧化槽的结构特点和填料特性，总结了生物接触氧化槽系统设计计算方法，鼓风曝气系统配置原则和运行管理措施。

The leaching and electrochemistry behavior and complex of various dusts in water, glutamic acid, valine and Vc solution were studied thoroughly.

对不同粉尘在水、谷氨酸、缬氨酸和Vc溶液中溶出行为和电化学行为、配合物作了深入研究。

The kinetics, leaching process of sodium vanadate, are described by using the diffusion model.

对水可溶性钒酸盐的浸出过程，用"扩散模型"方程进行了描述。

Sorption-desorption, leaching, volatilization and degradation of organic pollutants in soil are reviewed in this paper.

本文介绍了有机污染物在土壤中的吸附与解吸附、渗滤、挥发和降解等行为过程。

It is apparent that a high degree of ammonia volatilization and/or nitrate leaching can occur in cropping systems susceptible to previously described conditions.

很明显，高的氨挥发和硝态氮的淋失会发生在符合上述条件的任何种植制度中。

Provided the volumetry is adopted,not only the operation is complicated and time-consuming,but also the reproducibility and fault bit are relatively bad,because the calcium content is too low in leaching solution.

若用容量法测定，因其中钙含量太低，不仅操作繁琐，时间长，且重现性差，而且误差较大。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。