There maybe has oxide of copper in the surface of nano copper catalyst particles.
在纳米螺旋碳纤维中的催化剂颗粒表层，可能有铜的氧化物存在。
While cerium oxide is a rare Earth element, it is one of the more common ones. Its abundance has been compared to copper.
氧化铈是一种较常见的稀土元素，其储存量可以与铜相媲美。
2 mg of copper as cupric oxide.
铜氧化物中铜质2毫克。
In several reactions a colour change indicates the formation of new products. For example, green copper carbonate reacts, when heated, to form black copper oxide and carbon dioxide gas.
在一些反应中颜色会发生变化，它表明产生了新的物质，例如，绿色的碳酸铜在加热时会分解为黑色的氧化铜和二氧化碳气体。
The paper introduces the research of mineral processing test of some low-grade copper oxide ore in Yunnan.
本文主要针对云南某地低品位氧化铜矿样进行了选矿试验研究。
CO2 is part of the structure of copper oxide material which should be effective.
CO2是这个结构的一部分和加有氧化铜的材料会很有效。
The paper summarized research situation of copper based composites, including oxide dispersion strengthen copper based composite and carbon fiber copper composite.
综述了铜基复合材料的研究现状，包括氧化物弥散强化铜和碳纤维-铜复合材料。
A new technology of atmospheric activating ammonia leaching for extracting copper from Dongchuan's copper oxide ores has been advanced instead of pressure ammonia leaching.
提出采用常压活化氨浸处理我国东川铜矿低品位难选氧化铜矿取代加压氨浸的新工艺。
Cuprous oxide and zinc oxide can be recovered from waste copper catalyst by a wet process. The principle and the optimum conditions of the process have been studied.
研究了以湿法回收利用废铜催化剂中的铜、锌制取氧化亚铜和氧化锌的原理以及最佳工艺条件。
Copper oxide ore was an important part of copper resources in our country.
氧化铜矿是我国铜矿资源的重要组成部分。
Tangdan copper ore in Yunnan province is a typical refractory copper oxide ore with high content of calcium and magnesium in China and the world.
云南东川汤丹氧化铜矿，是非常典型的高钙镁低品位难处理氧化铜矿。
The aluminum oxide dispersion strengthened copper (ODSC) is a new type of electrode, and it is deferent from other materials for it is porous.
弥散铜是一种新型的粉末体电极材料，在加工制备过程中其变形行为会不同于致密体。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液，它可以通过还原糖被还原为不溶性的铜(一价)的氧化物，产生红色的沉淀物。
The relation. between the con- verting rate of chromium and roasting temperature , the amount of soda , the amount of back slag - copper oxide are also studied.
研究了铬转化率与焙烧温度、配碱量、返渣氧化铜的量等条件的关系。
Some interaction between copper and zinc oxide would lead to the increasing of condensation product.
铜-锌之间的某种相互作用导致了缩合产物增加。
What if we wash the apple in liquid plasma of CO2 and another copper oxide? And the control is an unwashed apple.
如果我们用CO2的液体等离子体或另外的氧化铜液体等离子体洗涤苹果与未洗涤的苹果比较，会怎么样？
The effects of catalyst preparation and hydrogenation conditions on the activity of copper-chromium oxide catalysts for selective hydrogenation of soybean oil was investigated.
通过铜铬氧化物催化剂用于豆油的选择氢化，研究了制备方法及氢化条件对催化剂活性的影响。
We review current progress in the neutron scattering studies of magnetic excitations in high-transition temperature (high-T_c) copper oxide superconductors.
文章回顾了中子散射在高温超导铜氧化合物磁激发研究中的最新进展。
The mineral processing of Tangdan refractory copper oxide ores is a worldwide difficult problem.
汤丹难选氧化铜矿的选矿是一个世界难题。
With the increase of copper oxide content in silver matrix, the density and the electric conductivity of AgCuO materials tended to decrease.
两种方法制备的银氧化铜材料随着氧化铜含量的升高，材料的致密度、导电性均呈下降趋势。
The barium hydroxide was produced by the reaction of raw material barium sulfide with the copper oxide in water.
以硫化钡为原料，在水溶液中与氧化铜反应，生成氢氧化钡。
The sufficient recovery of fine malachite is one of the difficult problems in flotation of copper oxide ores.
微细粒孔雀石的有效回收是氧化铜矿物浮选难题之一。
This step accelerates the balance of oxide action turning to right, and copper ions contamination was effectively controlled too; Finally, compounds were taken out by turbulent slurry.
此过程加快了氧化反应顺利向右进行，并且有效的控制了铜离子的沾污；第四，浆料中的铜胺络合物被湍流的浆料带走。
Dilution of others may affect the outcome. Try to add and extend the knowledge and understand how you can preserve food by doing the CO2 or copper oxide.
所以经过稀释，也许会反映在结果里，去理解透过CO2或是氧化铜甘斯保存食物，试着多做实验以延续或是增加这个的知识。
The no pollution bright pickling passivation technique of copper parts introduced in this pa-per, has neither the toxic chromium containing materials nor nitrogen oxide pollution.
本文介绍的铜制件光亮酸洗钝化工艺，既无有毒的含铬物质，又无氮氧化物污染。
By investigating the process mineralogy, the occurrence states of copper in the ore were found out, thus the treatments of sulphidizing flotation and bacteria leaching of copper oxide ore were made.
工艺矿物学研究，查明了矿石中铜矿物的赋存状态，由此制定了氧化铜矿硫化浮选和细菌浸出两种处理工艺。
The characteristic of thermosetting polyphenylene oxide resin copper clad laminates as wel as their application in the high frequency printed circuit board is introduced.
论述了热固性聚苯醚树脂基覆铜板的特性及其在高频印刷电路板上的应用。
The results show that the main compositions of the infusible matters are zinc oxide and the part of copper oxide that are brought in the process of casting.
分析结果表明，不熔物主要成分是氧化锌及部分氧化铜，主要是在熔铸时抽心夹入。
Experiments were conducted to investigate the convection heat transfer of deionized water and copper oxide nanoparticle suspensions flowing through mini tubes.
实验研究了细圆管内去离子水和氧化铜纳米颗粒悬浮液的对流换热特性。
Experiments were conducted to investigate the convection heat transfer of deionized water and copper oxide nanoparticle suspensions flowing through mini tubes.
实验研究了细圆管内去离子水和氧化铜纳米颗粒悬浮液的对流换热特性。
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