晶格氧使碳化钨的比活性略有下降。
Oxygens in the lattice lower the specific catalytic activity of tungsten carbide for these reactions.
钛和钨的结婚戒指。
探讨了微波煅烧仲钨酸铵制取三氧化钨的新工艺。
The new process of calcine for ammonium paratungstate to tungsten trioxide by microwave was investigated.
本发明涉及包含作为红外线吸收剂的氧化铯钨的双层。
The present invention involves bilayers that include cesium tungsten oxide as an infrared absorbing agent.
矿石中钨的物相分析通常只分析钨华、白钨矿和黑钨矿。
In ordinary chemical phase analyses of tungsten only tungstite, scheelite and wolframite are dealt with.
最终Ehrlich输了，铜，铬，镍，锡和钨的价格下跃。
Ehrlich lost when copper, chrome, nickel, tin and tungsten dropped in price.
我们的流行戒指利用钨的独特光泽反射自然光从多个角度。
Our popular faceted rings utilize tungsten's unique shine by reflecting natural light from multiple angles.
结合六氟化钨的性质，对六氟化钨中的金属粒子进行分析。
This paper analyzes metal particles in WF6 according to the special characteristic of WF6.
报道了扩散阻挡层材料氮化钨的结构特性随组分变化的情况。
The variation of structure information of tungsten nitride (WNx) with nitrogen con - tent is observed.
改变炭气凝胶与碳化钨的比例，可控制气凝胶的空间孔径范围。
The spatial aperture range of aerogel can be controlled by changing the ratio of the carbon aerogel to the tungsten carbide.
本工作用卢瑟福背散射研究了离子束混合方法形成硅化钨的条件。
The conditions of forming tungsten silicide with As ion beam mixing have been studied by means of Rutherford backscattering.
介绍了用热的浓硫酸处理废硬质合金，回收金属钴和碳化钨的方法。
This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
分析了铅芯作用良好的原因，并通过试验得出了以铅代钨的具体方案。
The reasons of fine performance of the lead core is analyzed, anda practicable plan of substituting tungsten for lead is found through tests.
提出了一种改进榨辊齿形并在齿顶弧面上堆焊碳化钨的方法及其加工工艺。
A method to improve the tooth shape of mill roller and adopt the built - up-welding with tungsten carbide on the curved surface of tooth apex has been introduced.
研究了紫钨的质量状况，将紫钨分类并提出了一种新的较为直观的检测方法。
The quality of violet tungsten oxide is studied and violet tungsten oxide is classified as well as a new kind of relative visual detecting method is put forward.
因此，在钨的深加工与综合利用方面，应该进一步开展含钨镀层电镀技术的研究与开发。
So this is a good way to develop the deep processing and complex utilization of tungsten in the electroplating technology of tungsten coat.
内部件由一种硬的导热材料制成，这种材料最好是诸如钴基体碳化钨的金属基体碳化物。
The inner member is formed of a hard, thermally conductive material, preferably a carbide in a metal matrix, such as tungsten carbide in cobalt.
因此，在钨的深加工与综合利用方面，应该进一步开展含钨镀层电镀技术的研究与开发。
So this is a good way to develop the deep processing and complex utilization of tungsten in the electroplating technology of tungsten c...
高导电导热性铜与高温强度、强抗电弧烧蚀钨的良好结合使钨铜复合材料具有一系列优异性能。
The well combination between Cu with preeminent conductivity and W with high-temperature strength and arc-resistance will yield a serial of preeminent properties.
实验表明，加氨水可以消除钨的干扰，从而确定了碘量法快速测定钨铜混合料中铜的分析方法。
Experiment indicates that after adding ammonia the tungsten's disturbance can be eliminated so the copper content can be determined by iodine method in the mixed tungsten copper powder.
现阶段，我国细粒级黑钨矿的回收主要采用重选法，其中钨的回收率一般在45%以下，损失率较大。
Nowadays, gravity concentration is used to recover fine wolframite, but the recovery of wolframite is lower than 45%.
介绍了国外六氟化钨的制备和精制工艺进展，重点描述了电子工业中应用的高纯度六氟化钨的制备工艺。
The progresses of preparation and purification of tungsten hexafluoride, especially the preparation of high purity tungsten hexafluoride used in the electronic industry, are introduced.
本论文全面总结了从除钼渣中综合回收铜、钼、钨的研究成果，提出了处理除钼渣的碱分解—萃取新工艺。
Recovery copper and molybdenum from low grade molybdenum slag has been studied, and a new NaOH digestion and liquid-liquid extraction process has been developed.
同时介绍了六氟化钨的性质、产品规范、应用及经济等方面的状况，评述了六氟化钨在国内外的发展前景。
And the property, product specifications, application and economics of tungsten hexafluoride are described. The development prospect of tungsten hexafluoride is also reviewed.
根据稀土钕熔盐电解中钼电极所存在的缺点，采用钨代钼作电极，并对钨的生产制造过程和连接方式进行了探讨。
W electrode is used instead of the imperfect mo electrode in the molten-salt electrolysis of nd. The fabrication steps and connection method of W electrode is investigated.
在一定的实验条件下，除钼、砷、硅的效率均达到95%以上，净化后溶液中杂质含量完全符合技术要求。钨的损失在3%左右。
The Mo, As and Si removed all exceeded 95% of each of their total amounts previously present in the crude solution while the loss of tungsten during the purification amounted to about 3%.
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