查询词典 copper

Liaocheng seamless business experts predicted that after three quarters of 2009, imports of copper concentrate a maximum of about 4% growth, blister copper imports will drop by about 10% of waste copper imports will fall 20%.

聊城无缝管企业相关专家预测，2009年后三个季度，铜精矿的进口量最多约有4%的增长，粗铜进口量将下降10%左右，废杂铜进口量将下降20%左右。

The operating results have demonstrated the flexibility of the process in producing blister copper from a variety of copper feed materials including a combination of molten and solid copper matte, reverts and fluxes.

操作结果证明该工艺适用于从各种铜原料(包括熔融冰铜、固体冰铜、返料和熔剂的混合料)生产粗铜。

Ice copper, blister copper; nickel-iron alloy; cobalt carbonate; crude lead, electrolytic lead; electrolytic copper,; high ice nickel; cobalt sulphate

德兴市科艺有色金属资源再生有限公司熔炼厂位于中国著名铜都——江西省德兴市，境内的德兴铜矿是亚洲最大的斑岩铜矿，金属矿藏铜、金、银等十分丰富，公司熔炼厂距铁路车站等运输车程均不足1小时，工厂比邻省道、国道、高速公路，交通非常便利。

Selected high-strength, quality copper alloy suitable for running-in is used for DF-5S copper base insertion, with orderly blind borings cut and solid lubricant inlaid in the working surface of the copper alloy.

DF-5S铜基镶嵌自润滑滑块选用适于跑合的高强度优质铜合金，在铜合金工作表面有序的钻盲孔并镶嵌固体润滑剂。

Tianlu copper deposit which formed by foreland basin in Paleozic era is marine sandshale copper deposit,copper ore mainly is silstone type and in cludes six natural type, which are chalcocite ore, chalcocitebornite ore, bornite ore, chalcopyrite bornite ore, chalcopyrite, pyrite-chalcopynite.

摘 要：天鹿铜矿床是前陆盆地古生代海相砂页岩型铜矿，铜矿石主要为粉砂岩型，包括辉铜矿矿石、辉铜矿斑铜矿矿石、斑铜矿矿石、黄铜矿斑铜矿矿石、黄铜矿矿石、黄铁矿黄铜矿矿石6种自然类型。

Copper and copper prevent discoloration protective agent, copper prevent oxidant, galvanization passivation blocker, silver protectant, LED silver protectant, prevent discoloration, gold, silver, and gold, protective agent, we hole of tin additive is not completely, and formaldehyde environmental protection coating resistant color effect very good, long time in the air will become yellow, oxidation.

铜保护剂、铜防变色剂、铜防氧化剂、镀锌钝化封闭剂、银保护剂、LED银保护剂、银防变色剂、金保护剂、金封孔剂，我们的各种锡添加剂完全是不含甲醛环保型，并且镀层抗变色效果很好，长时间在空气中不会变黄、氧化。

The stability of copper reduced because of the formation of copper oxide under alkaline condition, while the stability of copper kept the same because of the constant chemical structure under near neutral condition.

在去离子水中， Cu-KEtX的化学结构则没有明显的改变，故对Cu的稳定性亦不变。

A preparation method of monodisperse high crystallinity copper powder is provided, which relates to a method for preparing copper powder used in conductive paste by using cupreous compound, in particular to a preparation method of the copper powder used in the conductive paste that is applicable to ceramic electronic components with a plurality of layers.

一种单分散高结晶度铜粉的制备方法，涉及用铜的化合物制备导电浆料用铜粉的方法，特别是涉及适用于多层陶瓷电子元件的导电浆料用铜粉的制备方法。

It was rev ealed that:cuprite,malachite and tenorite are the three main kinds of copper-bea ring minerals which would be supersaturated when Cu concentration in the solutio n is high enough(higher than 0.0016 mol/L,0.0079 mol/L separately) under the stu dy conditions.Copper exists in the solution mainly as the species of CuCO3 ,Cu2+ and CuOH+.The corresponding content of CuCO3 would be decrea sed following the deposition of the copper-bearing minerals,nevertheless,Cu2 + and CuOH+ would be increased.

模拟结果表明，在土壤中常见的E h和pH及研究区的年平均温度条件下，溶液中铜离子的含量达到一定的浓度时，可以生成赤铜矿(当Cu≈00016 mol/L)、孔雀石及黑铜矿(当Cu≈0 0079mol/L)等次生矿物，溶液中Cu的存在形式也发生了变化，即CuCO3所占的比例不断减小，而Cu2+和CuO H+的含量则相继增高，且Cu2+的增幅大于CuOH+。

It was also found that at experimental concentrations there was no regularity for the change of activity of copper salicylate encapsulated in negatively charged liposomes, and copper salicylate encapsulated in liposomes with more negative charges could promote the dismutation of superoxide anion free radicals, however, so could copper salicylate encapsulated in liposomes with fewer negative charges only in lower concentrations.

并发现在实验浓度范围内，负电性脂质体包裹的水杨酸铜，活性变化无规则，且荷负电量多的脂质体包裹的水杨酸铜促进超氧自由基的歧化，而荷负电量少的脂质体仅在低浓度区对超氧的歧化表现为促进作用。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。