查询词典 copper

Catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any excess of the impregnating solution, and then heating the impregnated support to a temperature above 80 DEG C to decompose the complex thereby depositing a basic copper carbonate compound on the surfaces of the pores of the transition alumina support.

用作例如催化剂的铜／氧化铝组合物，通过用碳酸铜氨配合物的水溶液浸渍一种多孔氧化铝载体，排出任何多余的浸渍液，然后加热所浸渍的载体到80℃以上的温度来分解所述配合物，从而在所述过渡型氧化铝载体的气孔表面沉积一种碱式碳酸铜来制备。

And electrolysis method using chemical precipitation of copper from copper ammonia water waste.

本文采用化学沉淀法和电解法从铜氨废水中回收铜。

From the angle of the soil enzymes,lead to mild zinc and copper pollution improvement, and the copper pollution repair effect is not significant.

从土壤酶角度看，铅对轻度锌和铜污染有改良作用，而对铜污染修复效果不显著。

A toxic double salt of copper arsenate and copper acetate .

一种由砷酸铜和醋酸铜形成的有毒复盐。

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。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。