High-pure copper mainly comes from copper electrorefining.
高纯铜主要来源于铜的电解精炼。
Trace lithium can improve recrystallization temperature of pure copper.
在工业纯铜中加入微量锂能提高其再结晶温度。
A pure copper laser of simple structure with longitudinal discharge is reported.
我们研制了一台结构简单的纵向放电加热的铜激光器。
A rapid analysis method for determining the content of Zn in pure copper is given in this paper.
本文提出测定纯铜中锌的快速分析方法。
Pure copper base ensures excellent heat dissipation, and anodized aluminum top prevents corrosion.
纯铜基底保证良好的散热效果，阳极电镀铝质上部防止锈蚀。
It is successful to re-melt deposit pure copper rotating band on D-30 shell body by using the process.
本研究探索了一种新的焊接工艺方法—熔敷扩散焊接方法，采用该方法在30口径弹体上焊接纯铜弹带取得成功。
Material: Using pure copper can get rid of forming incrustation which is caused by long-term immersion.
材料：是否使用纯铜镀铬。摆脱传统水龙头因长期浸水而产生水锈的缺点。
The microhardness of the coatings is relatively uniformly distributed and it is higher than pure copper.
涂层的硬度分布较均匀，且高于纯铜的硬度。
The results show that, when the T2 pure copper is extruded in multipass by route BC, the grains can be refined.
结果表明，T2工业纯铜在BC路径下经历多次挤压后，晶粒得到细化。
It was concluded that the cl ion in the oil glue resulted in stress corrosion cracking of the pure copper tube.
结果表明，紫铜管渗漏系腐蚀引发裂纹所致，而涂在铜管表面的油胶中的氯离子是引起紫铜管应力腐蚀开裂的主要因素。
There are some streamline microstructures and a slight grain melting in the heat affected zone on the side of pure copper.
接头紫铜一侧热影响区出现明显的须状组织，并有晶粒微溶的迹象。
Pure copper-base material water block provides excellent heat transfer, and anodized water block cover prevents corrosion.
纯铜基料水块提供优良的热传导，阳极氧化和水锁盖防止腐蚀。
The effects of surface electroplate pure copper on oxidation failure of lead frame copper alloys for IC package were investigated.
研究了在铜合金表面电镀纯铜层保护膜对铜合金引线框架氧化失效的影响。
It is simple and quick to determine trace Pb and Bi in pure copper using the graphite furnace atomic absorption spectrophotometry.
石墨炉原子吸收光谱法测定纯铜中痕量铅和铋，方法可靠，简单快速。
The effects of cyclic strain amplitude history and mean strain on the cyclic deformation behavior of pure copper were investigated.
揭示了紫铜在应变循环下的循环应变幅值历史、平均应变对循环特性的影响；
The first filter core also includes a high pure copper zinc alloy layer arranged on the upper reach side of the active carbon layer.
该第一滤芯还包括设于活性炭层上游侧的高纯铜锌合金层。
Steel grain-reinforced pure copper cast composite was gotten successfully by suspension casting process and controlling the cooling rate.
采用悬浮浇铸工艺并控制冷却速度成功地得到了钢颗粒增强纯铜基铸造复合材料。
Our company mainly produces high quality pure copper pneumatic connector, copper plastic fittings, no leakage fast connection and trachea.
案。我司主要生产高品质纯铜气动接头、铜塑接头、无泄漏快速接头及气管。
Damping alloy was composed of smelting manganese and pure copper, some elements were added into the alloy in order to improve its property.
使用火法冶炼的金属锰与铜组成锰基减振合金系，并为改善性能而填加了其他元素。
A designed organic compound of triazine thiols monosodium (TTN) was used for preparing polymeric film (PTT) on pure copper by polymer plating.
通过有机镀膜的方法，利用一种自设计合成的三嗪硫醇化合物(ttn)在铜表面制备有机薄膜。
Atmospheric corrosion of pure copper under sheltered and unsheltered exposure conditions during 1 year period in Shenyang atmosphere is studied.
通过1年的遮雨和未遮雨大气暴露实验，研究了在沈阳大气环境下纯铜的初期腐蚀行为。
Atmospheric corrosion of pure copper under sheltered and unsheltered exposure condition during 1 year period in Shenyang atmosphere was studied.
通过一年的遮雨和未遮雨大气暴露试验，研究了纯铜在沈阳城市大气环境下的初期腐蚀行为。
Adopt excellent quality aluminium alloy panel, pure copper nozzle, fashionable lifting portable shower, stainless steel waterfall style top gush.
采用优质铝合金面板，全铜喷嘴，流行的无级升降手提花洒，不锈钢瀑布顶喷。
The results show that the cladding layer has compact and flawless microstructure and has been metallurgically integrated with pure copper substrate.
结果表明：所制得熔覆层组织致密、无裂纹，与基体形成了良好的冶金结合。
Laser ablation of pure copper was investigated using photoacoustic signals excited in surrounding air when a pulsed-laser beam impinges a metallic surface.
利用脉冲激光束轰击金属样品表面时在周围空气中激发的光声信号研究了纯铜的激光烧蚀。
In this paper, creep tests were carried out on annealed pure copper and normalized bronze containing Al under static and cyclic tension at room temperature.
以退火纯铜及正火铝青铜在轴向拉伸下进行室温静、动态蠕变试验。
It points out that the direct spot welding of pure copper can be realized by the correct choice of pole material, pole form, welding equipment and criterion.
找出了用通常方法不能点焊纯铜的原因，介绍了纯铜点焊焊核形成的过程，指出以本文为依据正确地选择电极材料、电极形状、焊接设备和确定焊接规范，就可实现纯铜的直接点。
The mechanical properties of pure copper and brass to be much higher, but also widely used in machinery manufacturing industry in manufacturing various parts.
而且黄铜的力学性能相对于纯铜要高很多，而且还被广泛应用于机械制造行业中制造各种结构的零件。
Cl ion was also found in oil glue by chemical analysis method. It was concluded that the cl ion in the oil glue resulted in stress corrosion cracking of the pure copper tube.
结果表明，紫铜管渗漏系腐蚀引发裂纹所致，而涂在铜管表面的油胶中的氯离子是引起紫铜管应力腐蚀开裂的主要因素。
Cl ion was also found in oil glue by chemical analysis method. It was concluded that the cl ion in the oil glue resulted in stress corrosion cracking of the pure copper tube.
结果表明，紫铜管渗漏系腐蚀引发裂纹所致，而涂在铜管表面的油胶中的氯离子是引起紫铜管应力腐蚀开裂的主要因素。
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