查询词典 leaching

In the heap leaching process of uranium ores some problems often occur,such as permeability declining and/or the blockage of penetrating holes,which are caused by muddled ores,expanded ores and the migration of fine particles.

在某些铀矿堆浸工艺中，由于矿石的泥化、膨胀和细颗粒迁移等原因，经常出现通道堵塞、渗透率低的问题，为此，提出了添加助渗剂的方案。

Oxide ores are processed by either milling or heap leaching.

氧化物矿石通过磨矿或堆浸来处理。

The distribution of temperature, concentration of oxygen and concentration of target metal ions were analyzed, during heap leaching process through developing a fully coupled flow-reaction with heat transfer model.

通过建立一组瞬态的流、固、热全耦合方程组，对浸出过程中浸堆内的温度、氧相对浓度、目的金属离子浓度等分布进行数值模拟。

Chongqing Umbro Kemao limited liability companies are state-level hi-tech development zone in Chongqing register a comprehensive high-tech company with independent import and export operation rights, the United States and Israel and the related companies have maintained close cooperation, mainly engaged in modern irrigation , greenhouse, water treatment, mine heap leaching, plant protection machinery, hydraulic control valves, into the exhaust valve, water distribution network distribution system, water plant construction, and automatic control, such as business, covering a variety of system design, production, product wholesale, construction, and projects such as the total package.

重庆恩宝科贸有限责任公司是在重庆国家级高新技术开发区注册的一家高技术综合性公司，拥有自主进出口经营权，与以色列与美国的相关公司保持着密切的合作，主要从事现代灌溉、温室、水处理、矿山堆浸、植保机械、水力控制阀门、进排气阀、输配水管网系统、自来水厂建造、及自动控制等业务，范围包括各种系统的设计、生产、产品批发、工程施工、与项目总包等。

Through analysis of geological setting of ore beds and considering the prerequisite of heap leaching mining, the Pliocene of Kuqa-Ertatai area is predicted to be a prospect area of placer-type uranium mineralization.

通过对各含矿层地质背景分析，并考虑到地浸开采的前提条件，预测出库车－二八台地区上新统为可供地浸的砂岩型铀矿成矿远景区。

In order to increase the permeability coefficient of the ore mass, achieve the: homogenous penetration for whole leap by improvement of the particle size and is distribution, the factors influencing on the heap leaching with agglomeration for the cracked granite uranium ore are investigated.

研究渗透性差的破碎花岗岩型铀矿石制粒堆浸过程的影响因素，通过改变矿石粒度及粒级分布，提高溶液通过堆浸矿石的渗透速率，有效地改善全矿堆渗透的均匀性。

The standard materials of geology,chemical prospecting,heap leaching,gold ornaments and lossfree detecting series of gold and the standard analytical method as well as professional standard method of analysis promulgated all by the state ity are introduced emphatically.

具有&化学成分计量物&之称的黄金标准物质，在分析测定中起到传递准确值的作用，使不同地点、不同方法技术、不同时间测得的量值具有对比性。黄金标准分析方法体现了现代黄金分析方法的特点和水平，体现了现代

Because of higher heavy metals concentration in leaching solution,the displacement rate of gold and silver with zinc powder is lower.

遂昌金矿采用氰化法处理高铜铅锌金精矿，由于浸出液中重金属含量偏高，在用锌粉置换金和银时置换率偏低，最低时金置换率只有12.66%。

The research used microwave power 600W,and S/L is 1/10, with the suitable microwave operation condition (nitric acid concentration 9.0 mole/L, digesting time 8 minute, and digesting temperature 140 ℃), by microwave digestion lead leaching rate is 94.11%, if it used microwave power 600W,and S/L is 1/10, with the best microwave operation condition (nitric acid concentration 0.8 mole/L, digesting time 6 minute, and digesting temperature 120 ℃), by the result of study, after Microwave Digestion Treatment, the TCLP leachate of lead in reaction ash might could be reduce to 4.83 mg/L from 7.10 mg/L, and the TCLP leachate could keep under the regulation control standards.

本研究以微波功率600W、固液比1/10，在最适微波条件下(硝酸浓度9.0M、消化时间8分钟、消化温度140℃)，铅的微波消化溶出率为94.11％。在微波功率600W、固液比1/10，以微波最佳条件(硝酸浓度0.8M、消化温度120℃、消化时间6分钟)，经微波消化处理后，其铅TCLP 溶出量由7.10 mg/L降为4.83 mg/L，已能符合法规管制标准值。在此最佳微波条件下，对於铅TCLP 削

S ummari ly, the leaching phase of leaf litter in subtropical zone last ed out for one day whether in lentic water or in running water.

综上结果表明，亚热带地区的树叶凋落物在静水环境和流水环境中的淋溶阶段均主要出现在第1天。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。