查询词典 copper

Connection of electrolytic soft-annealed untinned or tinned copper headed rope made to specific design in the required sizes, with either a copper ring or eyelet terminal.

为各种特殊设计所需尺寸制成的带镀锡或不镀锡铜套的电解软连接铜线，可以是铜套也可以是线端打眼。

Chinese imports of unwrought copper and semi-finished copper products fell significantly by 19.2% m-o-m, signalling weaker than anticipated demand growth in China.

中国未锻造铜和铜半成品进口量环比大幅下挫19.2％，这显示中国的需求增长较预期疲弱。

Previously they are often made from copper which is precious in price and poor in natural resources, but it is certain that they are made from brazed steel tubs instead of copper tubes.

以前人们往往用成本高、资源少的铜来生产这种油管；但是，用成本低、精度高的卷焊管替代铜管是发展的必然趋势。

Higher deposition rates were observed in copper solutions with fewer chelated sites in the copper complex.

研究表明，选择合适的络合剂对于化学镀铜的稳定操作十分重要。

The method was developed for spectroscopic analysis of copper in ferroalloy. The results can meet the qualitative and the quantitative analysis on copper in ferroalloy, can be used to exactly examine alloy and avoid the commixing of material on spot.

研究了铁基合金中Cu元素的数字化分析技术，结果可用于铁基合金中Cu元素的定性、定量分析和牌号鉴别。

X-ray crystal structure analysis for complex 1 reveals that the copper ion is penta-coordinated by a D-and a L-diamine ligand, and two copper ions are bridge-connected by two cyanides from [Fe6](superscript 3-) in axial position.

晶体结构分析表明，化合物1中Cu离子处于五配位的配位环境，分别和1个D-La，1个吞L-La及[Fe6](上标 3-)中的l个氰基配位，2个Cu离子通过[Fe6](上标 3-)桥联。

The results showed that, as a kind of anode corrosion inhibitor, BTA adsorbed on the copper surface and then funned a protective film by condensation reaction, and then decreased the corrosion current of copper by increasing the equilibrium potential.

结果表明。当H2O2存在时，抛光液中BTA作为阳极缓蚀剂吸附在抛光表面，提高了阳极铜溶解的平衡电位，并通过缩合反应生成保护膜，减小了抛光后的表面粗糙度，提高了表面质量，同时在一定程度上增加了抛光过程中的摩擦系数。

The dissemination character of copper mineral was complex and it was universal that copper mineral infolded with sphalerite and was showed as solid sol...

铜矿物嵌布特征复杂，与闪锌矿互相包裹及呈固溶体分离结构较为普遍。

Through analysis in the principle of electrochemical corrosion, it was found that the anticorrosion capability of the field telephone wire conductors intertwisted with copper-clad steel conductor is three times that of the copper entwined with steel.

通过电化学腐蚀原理的分析，认为被复线用铜包钢绞合导体是用铜钢混绞导体耐蚀性的3倍，有效提高了被复线的野外使用性能。

Ausmelt's Top Submerged Lancing technology for copper production is a low cost,proventech- nology for the processing of both primary and secondary copper materials .

澳斯麦特顶吹浸没喷枪技术用于炼铜是一项低成本的处理原生和再生铜物料的成熟技术。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。