查询词典 copper

Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification.

利用含砷废酸制备亚砷酸铜，并将所得亚砷酸铜应用到铜电解液的净化。

The electrolyte was purified by copper arsenite to effectively remove Sb and Bi impurities in the copper electrolyte .

为有效脱除铜电解液中的Sb、Bi等杂质，采用亚砷酸铜净化电解液。

This paper investigate occurrence characteristic s of copper,lead,zinc,aurum,silver,molybdenum in the ore from the Yuejingou copper polymetallic deposit,based on microprobe observation and electron microprobe analysis.

利用显微镜与电子探针对西藏拉萨跃进沟铜多金属矿床矿石进行了观察与分析，查明了矿石中Cu，Pb，Zn，Au，Ag，Mo等成矿元素的赋存特征。

This paper investigate occurrence characteristics of copper,lead,zinc,aurum,silver,molybdenum in the ore from the Yuejingou copper polymetallic deposit,based on microprobe observation and electron microprobe analysis.

利用显微镜与电子探针对西藏拉萨跃进沟铜多金属矿床矿石进行了观察与分析，查明了矿石中Cu，Pb，Zn，Au，Ag，Mo等成矿元素的赋存特征。

Have a size and precision automatic lathe, all kinds of Equipment matching complete, Machinable material has Stainless Steel, Titanium, Copper, copper, aluminum and iron.

拥有大小精密自动车床、各种设备配套齐全，可加工的材料有不锈钢，钛，磷铜，铜，铝，铁。

Our long-production a variety of bare copper, tin wire, copper Baolv, enameled wire.

本厂长年生产各种规格的裸铜丝，镀锡丝，铜包铝，漆包线。

Copper Clad Steel base metal and copper Baolv in the production of integrated enterprise.

铜包钢母材及铜包铝于一体的生产型企业。

The present invention can obtain copper depositing rate as high as 97 % and may be used widely in high-purity copper preparation.

按照本发明所制备的铜的沉积率＞97％。因此可广泛应用于制备高纯铜的技术领域。

According to the results of this study and previous analyses, it is found that Pb concentration may be used to distinguish native copper in North America and historical European smelted copper.

更重要的是，根据本实验及前人的分析结果，我们发现铅含量可作为判断北美自然铜与欧洲冶炼铜的一个有效标准。

Goods whose export is banned by the State, including natural bezoar, musk, copper and copper-based alloys and platinum etc.

国家禁止出口的货物。包括天然牛黄、麝香、铜及铜基合金、白金等

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷