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液态铜
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  liquid copper
     Structure of Liquid Copper and Quality of Qxygen and Hydrogen in Liquid Copper
     液态铜的结构及液态铜中氧和氢的性质
短句来源
     This article intruduces the qualities of thermodynamics and the features of structure in liquid copper,and it discusses the existing form, solubility, activity coefficient in liquid copper and the influence of foreign elements to the solubitity of Oxygen and Hydrogen in liquid copper.
     介绍了液态铜的几种热力学性质和结构特征,讨论了氧、氢在液态锡中的存在形式、溶解度、活度系数及杂质元素对液态铜中氢氧溶解度的影响.
短句来源
     The paper points out that the varieties of liquid slag have great influence on vitrification, the liquid iron slag is vitrified easier than liquid copper slag, the efficient additive and reasonable process system allow liquid slag and additive to be mixed and vitrified effectively and evenly.
     指出:液态渣品种对玻化影响较大,液态铁渣较液态铜渣容易玻化; 添加有效外加剂和制订合理工艺制度可使液态渣与外加料有效、均匀混合玻化。
短句来源
     Smelted liquid copper slags were directly vitrified into facing glass materials without water quenching process.
     冶炼液态铜渣不经水淬直接玻化成饰面玻璃材料。
短句来源
     Because liquid copper could lower the surface energy of grain boundary and yield an additional pressure on the surface of the ends of the cracks, the permeating of liquid copper along the grain boundary is sped up and the embrittlernent of austenitic stainless steel occurs,which results in the copper contamination cracking.
     由于液态铜使晶界表面能明显降低,同时对裂纹尖端壁面产生一种附加压力,促使液态铜沿晶界加速扩展,形成奥氏体不锈钢液态金属脆化而导致铜的渗透裂纹。
短句来源
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  “液态铜”译为未确定词的双语例句
     The erosive principle of copper-impregnated graphite throat insert material was got by means of analysis of the result of thermal conduction and analysis of chemical reaction between copper-impregnated graphite and high temperature combustion gas.
     通过石墨渗铜喉衬材料的热传导结果分析以及石墨渗铜与发动机高温燃气的化学反应得出了石墨渗铜喉衬的烧蚀机理 :铜在石墨渗铜材料发动机喉衬烧蚀过程中仅能出现铜的相变和表面液态铜流失 ,而不能出现铜蒸汽的自发汗现象 ;
短句来源
     A Discussion on Several Technique Matters Concerning Direct Vitrification of Melt Copper Slags
     液态铜渣直接玻化的几个工艺问题
短句来源
     Bonding interface is the most important part of constructural composites. The morphology,microstructure and the transition zone of the interfaces between the copper and steel were analyzed by means of optical microscope and electronic microscope.
     界面是复合材料特有的而且是及其重要的组成部分·采用光学显微镜、扫描电镜等手段 ,分析了反向凝固复合铜 /钢界面形态 ,组织结构和过渡区成分变化 ,探索反向凝固复合的初结合机制·研究表明 ,铜 /钢反向凝固复合经历液态铜在固态钢表面初始润湿 ;
短句来源
     The results showed that there exist Cu and Cr near the cracksand the cracks propagate along the vicinities of grain boundary.
     可见裂纹形成的原因为:结晶器镀铬层磨损导致铜板与连铸坯粘结,液态铜通过奥氏体晶界向铁基体内渗透.
短句来源
     An experimental study of copper deoxidation by calcined charcoal filtration was conducted.
     采用常用的脱氧剂对铜熔体脱氧时,残余的脱氧剂往往对其导电性能造成一定影响. 实验研究了采用木炭过滤的方法对液态铜进行脱氧.
短句来源
  相似匹配句对
     Within the layer the copper?
     ?
短句来源
     COPPER
    
短句来源
     A Discussion on Several Technique Matters Concerning Direct Vitrification of Melt Copper Slags
     液态渣直接玻化的几个工艺问题
短句来源
     Structure of Liquid Copper and Quality of Qxygen and Hydrogen in Liquid Copper
     液态的结构及液态中氧和氢的性质
短句来源
     Preparation and application of new liquid photoresist
     新型液态光致抗蚀剂
短句来源
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  liquid copper
The enthalpy of liquid copper up to a temperature of 2000 K is investigated by the drop method with an error from 1 to 1.5%.
      
Investigation of the monochromatic emissivity of liquid copper
      
On possibility of a structural transition in the vicinity of the melting point in liquid copper
      
The temperature dependence of the kinematic viscosity of liquid copper has been studied by the method of torsional vibrations during heating and cooling within the temperature range 1080-1500°C.
      
The electrical resistivity of liquid copper-gallium-alloys has been determined by an AC-as well as by a DC-method.
      
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Based on the technical.experiments of welding-braze of the austenitic stainless steel lCrl8Ni9Ti and cooler brass HSn62-1, the article studied the mechanism of the copper contamination cracking yielded in welding of the austenitic stainless steel with brass wire.The results of TIG of welding-braze technique show that the liquid copper would wet and permeate austenitic stainless steel. By effecting of welding stress, it could result in cracking along the grain boundary, and the liquid copper would fill the cracks....

Based on the technical.experiments of welding-braze of the austenitic stainless steel lCrl8Ni9Ti and cooler brass HSn62-1, the article studied the mechanism of the copper contamination cracking yielded in welding of the austenitic stainless steel with brass wire.The results of TIG of welding-braze technique show that the liquid copper would wet and permeate austenitic stainless steel. By effecting of welding stress, it could result in cracking along the grain boundary, and the liquid copper would fill the cracks. Because liquid copper could lower the surface energy of grain boundary and yield an additional pressure on the surface of the ends of the cracks, the permeating of liquid copper along the grain boundary is sped up and the embrittlernent of austenitic stainless steel occurs,which results in the copper contamination cracking.Seven kinds of copper alloy wire were used to carry out the TIG of welding-braze.The suitable wire is found.The basic rule of copper contamination cracking is given, which set up the theoretical foundamental of welding of different kind of metal materials.

本文是在冷却器HSn62—1黄铜与1Cr18Ni9Ti奥氏体不锈钢熔—钎焊(Welding—braze)工艺试验的基础上,采用铜合金焊丝对奥氏体不锈钢的焊接中产生铜渗透裂纹进行了机理的研究。通过熔一钎焊的TIG工艺大量试验数据表明,液态铜对奥氏体不锈钢润湿、渗透,在焊接应力作用下,沿晶界渗透扩展而开裂,并且在裂纹中充满了液态铜。由于液态铜使晶界表面能明显降低,同时对裂纹尖端壁面产生一种附加压力,促使液态铜沿晶界加速扩展,形成奥氏体不锈钢液态金属脆化而导致铜的渗透裂纹。 本试验采用七种钢合金焊丝进行熔一钎焊的TIG最佳工艺试验,提出了适用的焊丝,指明了产生铜渗透裂纹的基本规律,为完善异种金属焊接提供了理论依据。

Ag(Cu)-WC35 and Ag(Cu)0WC65 electrical contact materials were fabricatedusing solid-state sintering process and infiltration method respectively in presentwork. Effects of metal additive (Co. Fe. Ni) and processing parameter onproperties of materials were investigated, The results shows that the finer the WCpowder, the less the sintering shrinkage. Hardness of materials increased withdecreasing particle size of WC powder. Wet-mixing is superior to dry-mixing. Ithas been found that the sintering shrinkage of...

Ag(Cu)-WC35 and Ag(Cu)0WC65 electrical contact materials were fabricatedusing solid-state sintering process and infiltration method respectively in presentwork. Effects of metal additive (Co. Fe. Ni) and processing parameter onproperties of materials were investigated, The results shows that the finer the WCpowder, the less the sintering shrinkage. Hardness of materials increased withdecreasing particle size of WC powder. Wet-mixing is superior to dry-mixing. Ithas been found that the sintering shrinkage of Ag(Cu)-WC compactness can beaccelerated by additions of cobalt. iron or nikel. Rearrangement of tungstencarbide in liquid copper could be achieved mote easily by improving the wettabilityof liquid copper on the surfaces of the tungsten carbide particles by the formation ofcobalt intermetallics, X-ray diffraction and SEM analysis have indicated theformation of intermetallic compounds Co6 W6 C and Co3 W3 C in surfaces of WCparticle when cobalt were added.

分别用固相烧结和熔浸工艺制备Ag(Cu)-WC35和Ag(Cu)-WC65触头材料,研究添加元素Co、Fe、Ni和制备工艺对材料性能的影响.结果表明,WC粉愈细,烧结收缩愈小,硬度愈高.湿混合方式优于干混合.添加Co、Fe、Ni能促进Ag(Cu)-WC烧结.由于形成了金属间化合物,改善了液态铜对WC颗粒表面的润湿性,WC颗粒在液态铜中的重排列更容易进行.X射线衍射和SEM分析表明,WC颗粒表面生成了CO6W6C和CO3W3C金属间化合物.

This article intruduces the qualities of thermodynamics and the features of structure in liquid copper,and it discusses the existing form, solubility, activity coefficient in liquid copper and the influence of foreign elements to the solubitity of Oxygen and Hydrogen in liquid copper.

介绍了液态铜的几种热力学性质和结构特征,讨论了氧、氢在液态锡中的存在形式、溶解度、活度系数及杂质元素对液态铜中氢氧溶解度的影响.

 
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