查询词典 copper

The results show that the main cause of the original corrosion leakage of H68A condenser brass copper tubes is dezincification and.

结果表明，造成H 68A凝汽器黄铜管腐蚀泄漏的主要原因是脱锌腐蚀。

" High Copper, Low Zinc Brass Castings for Dezincification Resistance"

锌含量低的高纯度的铜铸件，有效防止锌泄漏

The tube alloy contains 85% copper which means that the alloy is less sensitive to stress corrosion cracking and dezincification than conventional brass alloys.

管子合金含有85%的铜，意味着合金的抗应力腐蚀裂缝和脱锌比传统的黄铜合金更强。

To overcome the problem special copper alloys, which contain an inhibitor and undergo heat treatment, have been developed which are resistant to corrosion by dezincification.

为了解决这个问题，特殊的铜合金包含防蚀剂，并经过热处理，已经可以抵抗脱锌的服饰。

In this paper,the aqueous solution polymerization of acrylamide by using copper chloride/ethylene diamide/α chloroethyl benzene as an initiator was studied. Molecular weigh has a correlation of a straight line with the time.

原子转移自由基聚合是一种自由基"活性"聚合，自发现[1 ] 以来已应用该技术合成了一系列结构不同、性能各异的聚合物材料[2～ 3] ，并发展了多种ATRP引发体系，是活性聚合发展史上最简便的一种技术。

This paper measures the changes of PH as the change of quantities of ethylene diamine and the addition of base in copper-ethylene diamine system.

当配合物的配体是弱酸时，配合物的生成会改变溶液的PH值，通过测量溶液PH值的改变可以计算配体的平

The roles of activation of ethylene diamine phosphate and reagent D_2 on copper oxide minerals were studied.

氧化铜矿的有效浮选一直是研究工作者十分关注的问题。浮选氧化铜矿的方法很多，但应用最广泛的是硫化一黄药法。

It builds the whole liquid-cooling system mainly by the design of the liquid-cooling decalescence boxes(improve its bottom material from aluminium alloy to pure copper, enlarge its volume, better cooling effects, and strengthen pressurization), by the operations of cooling effect about the heat exchanger worked by its temperature adjustability of the ribs(diffuse the heat fleetly owing to the excellent diathermancy of the material of the ribs ,make effective diathermancy owing to ribs outside areas, and drive the heat of the ribs away by the fans), and by the water pump made up of the piezoelectric ceramic with the excellent performance-no electromagnetism interference, little cubage, little noise, light exterior, light weight, low consume, high flux, replacing the mechanical pump.

在液冷散热器的研究中，主要通过对液冷吸热盒设计不断地改进(使吸热盒底部的材料从铝合金变为纯铜材料，其整个体积有所变大，但其散热效果明显变好，且密封性得到了极大地加强)，综合地运用换热器中肋片的壁面温度调节作用产生的散热效果(肋片材料优良的导热性，快速地扩散了热量：肋片较大的与流体接触的表面积，使传热更加充分，对流热阻大大减小；再利用风扇对肋片上的热量进行吹散)，利用性能优良的压电陶瓷泵(该泵机电性能稳定，具有无电磁干扰、体积小、噪音小、外型轻薄、重量轻、低能耗。、高扬程等优点。)代替机械泵作为驱动源，搭建了整个散热系统。

A thin sheet of copper is an example of a diathermic wall.

薄铜片就是一个"透热壁。"

On the contrary, the selective strengthening of copper phase can not contribute to the dielectric strength.

因此，要提高CuCr合金在真空间隙中的耐电压强度，必须对其进行选择性的相强化，即选择性地提高Cr相的耐电压强度。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。