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   copper 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.149秒
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copper
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    The Refining of Cu-Li Alloys and the Study of the Effects of Lithium to Pure Copper
    锂合金的制备及锂对工业纯相关作用效应的研究
短句来源
    Surface Titanizing and Nickelizing of Copper Using Double Glow Plasma Surface Alloying Technique
    纯双辉等离子渗钛、镍表面合金化研究
短句来源
    Cyclic Deformation Behavior and Fatigue Damage Mechanism of Copper Bicrystals
    双晶体的循环变形行为与疲劳损伤机制
短句来源
    SOME STRUCTURAL CHANGES IN THE TEXTURE OF THE COLD-DRAWN COPPER WIRE
    冷拔线之织构变化
短句来源
    THE TEMPERATURE COEFFICIENT OF SURFACE TENSION OF PURE COPPER
    纯表面张力的温度系数
短句来源
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  紫铜
    Relation Between σ_S and ε_Σ in the Cold Rolling of Copper
    冷轧T_2(紫铜)带的σ_s与ε_Σ的关系
短句来源
    A Method of Determination of Oxygen in Copper with Pulse and Infra-red Ray
    脉冲-红外法测定紫铜中氧
短句来源
    A Study of Welding of 0.25 mm Thick Band Copper
    0.25毫米紫铜带焊接的研究
短句来源
    MIG WELDING FOR COPPER HELICAL TUYERE OF BLAST FURNACE
    高炉紫铜螺旋风口的熔化极氩弧焊
短句来源
    A Q uantitative Study on Chemical Polishing with Low Nitric Acid Content for Copper
    紫铜低硝酸化学抛光的定量研究
短句来源
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  金属铜
    Study on Copper Surface Strengthened Mechanism by Multi Elemental Penetrantion
    多元共渗金属铜表面强化机制的研究
短句来源
    Study on Surface Treatment of Metal Copper
    金属铜表面处理研究
短句来源
    Determination of trace elements in metal copper of high purity by ICP-AES with ultrasonic nebulization
    超声雾化-ICP-AES测定高纯金属铜中痕量杂质元素
短句来源
    Determination of Impurity Elements in High-Purity Metallic Copper by ICP/AES
    电感耦合等离子发射光谱法测定高纯金属铜中的杂质元素
短句来源
    Determining More Elements in Copper and Its Alloy by All Spectrums and Direct Reading ICP-AES Method
    全谱直读ICP-AES法测定金属铜及其合金中的多种元素
短句来源
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  “copper”译为未确定词的双语例句
    A New Technology for Stainless Steel and Copper Alloy Cutting (Ⅰ)
    不锈钢及铜合金的切割新技术(Ⅰ)
短句来源
    A New Technology for Stainless Steel and Copper Alloy Cutting (Ⅱ)——Cutting Installation
    不锈钢及铜合金的切割新技术(Ⅱ)——切割装置
短句来源
    A New Technology for Stainless Steel and Copper Alloy Cutting(Ⅲ)——Cutting Quality
    不锈钢及铜合金的切割新技术(Ⅲ)——切缝质量
短句来源
    EFFECT OF COPPER ON THE CORROSION RESISTANCE OF A Ni-Cr-Mo ALLOY
    Cu对Ni-Cr-Mo合金耐蚀性的影响
短句来源
    On the superplasticity of copper Hpb59-1 and β-β′ transformation induced plasticity
    H_(Pb)59-1黄铜超塑性及β→β′转变诱发塑性
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  copper
The copper complexes of the above ligands were used in catalytic asymmetrical Henry reactions.
      
Comparison of antibacterial ability of copper and stainless steel
      
In this paper, the electro-analysis and spectrophotometric analysis methods were used to study the antibacterial ability of copper and stainless steel materials.
      
coli) and photo-bacteria were used as samples, the antibacterial effect of stainless steel was very weak, while the percentage of bacteria dying from exposure to metallic copper for 30 min was over 90%.
      
The antibacterial ability of copper has a potential application in the field of disinfection, food packaging and piping of drinking water.
      
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A spectrographic procedure for determining copper in concentrated iron ores has been worked out for routine analysis. The powder method is found to be satisfactory with a medium quartz spectrograph and an activated a. c. arc between carbon electrodes as light source. In order to minimize erratic burning of the sample, the electrodes are pre-burned for one minute and then loaded with a mixture of equal weight of the ore sample and carbon powder. The analysis pair of lines chosen are: Cu 2824.369- Fe 2824.67...

A spectrographic procedure for determining copper in concentrated iron ores has been worked out for routine analysis. The powder method is found to be satisfactory with a medium quartz spectrograph and an activated a. c. arc between carbon electrodes as light source. In order to minimize erratic burning of the sample, the electrodes are pre-burned for one minute and then loaded with a mixture of equal weight of the ore sample and carbon powder. The analysis pair of lines chosen are: Cu 2824.369- Fe 2824.67 for copper contents ranging from 0.05 to 0.3%, and Cu 2824369- Fe 2828.813 for those between 0.3 and 1.0%. The results obtained spectrographically have been checked by wet chemical analysis, amongst 110 samples 80% of which the two methods checked within 0.02%.

我们尝试用光谱的方法协助解决分析大量铁矿精矿试样中微量铜(O.05-0.1%)的问题。采用了交流电弧碳电极粉末法,应用现有的设备(中型光谱仪、不纯碳电极、质量低的照相板)进行试验,找出了比较适当的激发条件和分析线对。把空白碳电极加以预燃并在铁矿试样中搀入适当分量的碳粉,可以基本上消减样品在燃烧中的喷爆现象。根据样品的燃烧曲线的研究,选择了适当的曝光时间,使分析的结果不受样品所含铜的化学组成状态的影响。 所选定的分析线对当含铜量在0.05-0.3%的范围内时是Cu2824.369-Fe2824.67,当含铜量在0.3-1.0%的范围内时是Cu2824.369-Fe2828.813。根据所得的两条定标曲线作了110个样品的分析,光谱分析结果与化学分析结果的差值在0.02%以下的约占分析样品总数的80%左右。关于含铜量为0.05-0.3%的样品,光谱分析已经可以代替化学分析,并节省大量的人力和物资。

The rate of growth of ordered domains in AuCu_3 has been measured by ob-serving the rate of change of integral breadth of superlattice Debye-Scherrer lines.The result of experiment shows that in the temperature range of 350° to 370℃the rate of growth lies between 2.37×10~(-11)cm/sec to 16.8×10~(-11)cm/sec.Thelinear dimension of ordering domain is in the range of 15(?) to 300(?).Activationenergy of ordering is found to be 41600 cal./g.mole.It changes slightly with tem-perature.The activation energy,of ordering...

The rate of growth of ordered domains in AuCu_3 has been measured by ob-serving the rate of change of integral breadth of superlattice Debye-Scherrer lines.The result of experiment shows that in the temperature range of 350° to 370℃the rate of growth lies between 2.37×10~(-11)cm/sec to 16.8×10~(-11)cm/sec.Thelinear dimension of ordering domain is in the range of 15(?) to 300(?).Activationenergy of ordering is found to be 41600 cal./g.mole.It changes slightly with tem-perature.The activation energy,of ordering does not equal to the activationenergy of diffusion.It lies between the activation energy of diffusion of gold incopper and the activation energy of self diffusion of copper in copper.

本文中叙述一个简单的计算AuCu_3中有序畴长大时率的公式及利用超点阵线的变宽度随保温时间的改变测定恒温有序畴长大的实验。实验结果表示在350°至370℃之间有序畴长大的时率介于2.37×10~(-11)—16.8×10~(-11)厘米/秒之间。有序畴的线度大小介于十几个埃至300埃之间。从有序畴长大的时率可以计算出有序化的激活能。计算的结果表示有序化激活能为41600卡/克分子。温度上升,激活能稍有减少的倾向。有序化激活能并不就等于扩散激活能。它是介于金在铜中的扩散激活能和铜在铜中自扩散激活能之间。

Industrially pure copper was subjected to ordinary tensile test. Some extraor-

本支以工业纯铜为材料作断口观察,发现其在断裂后,断口呈旋纹形。这种形状的金属断口在文献中未曾提及。本文试验了影响此种断口形成的因素、退火温度等。此种旋纹断口的研究可能对研究裂口传播等工作有一定帮助。

 
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