This wire inside an electric lamp is not made of copper but it is made of tungsten.
电灯里面的电线不是铜丝而是钨丝。
The purity of tungsten is improved by leaching in NaOH solution.
通过进一步碱浸可提高钨粉的纯度。
The separation of tungsten isotopes by gas centrifuge is studied.
本工作对离心法分离钨的同位素进行了研究。
Furthermore, the regional ore indications of tungsten deposits are summarized.
进一步总结了本区钨矿区域找矿标志。
Separating molybdenum from tungsten is a technical difficult problem in metallurgy of tungsten.
钨钼分离是钨冶金中的一个技术难题。
Sapphire and Nb alloy have been successfully brazed by use of tungsten-metallization technique.
通过对蓝宝石的钨金属化，实现了蓝宝石与铌合金的高温封接。
The experimental results show that scandia distributed evenly on the surface of tungsten particles.
实验结果表明，氧化钪均匀分布在钨颗粒表面。
The variation of structure information of tungsten nitride (WNx) with nitrogen con - tent is observed.
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。
Study is made for processing low grade tungsten mineral and waste residue of tungsten by soda sintering.
进行了苏打烧结法处理低品位钨矿和废钨渣的研究。
It is studied that most of tungsten in ore occurs in secondary psilomelane in the form of adsorbed ions.
通过研究得出，矿石中钨绝大部分是呈离子吸附形式赋存于次生硬锰矿中。
In ordinary chemical phase analyses of tungsten only tungstite, scheelite and wolframite are dealt with.
矿石中钨的物相分析通常只分析钨华、白钨矿和黑钨矿。
Thee mixture of tungsten carbide and cobalt powder is pressed into the required shape and then sintered.
碳化钨和钴粉末的混合物被挤压成所需形状后进行烧结。后进行烧结。
The system is designed in view of the characteristics of tungsten mine equipments and drawing management.
本系统是针对钨矿企业设备与图档管理的特点研究开发的。
Recent great technical progresses in ion_exchange technology of tungsten metallurgy in China are reviewed.
综述了近年来我国钨冶炼离子交换工艺取得的重大技术进步。
The method was simple and rapid, and the results obtained were in agreement with those of tungsten blue method.
方法简便、快速，用于药物中卡托普利的测定，结果与钨蓝比色法一致。
Review this year's work on the standardization of tungsten price and the actual work effects in more than one year.
文章回顾了最近一年多来实施钨品行业价格自律的过程和取得的实效。
Uses: Tungsten powder is tungsten powder metallurgy processing of tungsten alloy products and the main raw material.
用途：钨粉是加工粉末冶金钨制品和钨合金的主要原料。
The flotation techniques of tungsten minerals and its reagents were reviewed, and their applications were envisaged.
对钨矿物浮选工艺及药剂进行了评述，并对其应用前景进行了展望。
Glass knives for ultramicrotome were improved by sputter and evaporating coating cut-ting dege with a film of tungsten.
通过溅射的真空蒸发镀膜使超薄切片机上使用的玻璃刀口上带有一层钨膜。
The results can meet the requirements about qualitative analysis and semi-quantitative analysis of tungsten in superalloy.
研究结果可用于高温合金中钨元素的定性和半定量分析及材料牌号鉴别。
This paper covers the calibration method of tungsten-rhenium thermocouples using an optical pyromer as standtard instrument .
本文论述用光学高温计分度钨铼热电偶的方法及其测量不确定度。
The stratum, intrusive rock, and faulted structure are three basic ore-forming geology factors of tungsten ore in the work area.
地层、侵入岩、断裂构造是工作区内钨矿的三个基本的成矿地质条件。
While the upper limit for incandescent lamps is 52 lumens per watt, that is the theoretical luminosity of tungsten at its melting point.
虽然白炽灯的发光效率极限是每瓦52流明，然而这钨丝在其熔点的理论亮度。
The paper introduces the recovery of Tungsten and the preparation method of copper salt from waste W-Cu alloys on treatment process.
介绍了用无机强酸处理废钨铜合金回收金属钨和铜盐的方法及其工艺模式。
The basic circumstances and new changes of cemented carbide industry structures upon price increase of tungsten products are analyzed.
分析钨价上涨后硬质合金行业的基本情况以及行业格局的新变化，评估近期行业发展趋势。
The field ion image of tungsten with resolution of atomic level has been obtained and the surface structure of tungsten has been analysed.
取得具有原子级分辨的场离子像，并对钨场离子像反映的晶体表面结构进行了分析。
The performances of tungsten and its alloy, rational choice in machining of cutting tool material and parameter are introduced in this paper.
文中介绍了钨及其合金的性能熏以及在切削加工时刀具材料与几何参数的合理选择。
The performances of tungsten and its alloy, rational choice in machining of cutting tool material and parameter are introduced in this paper.
文中介绍了钨及其合金的性能熏以及在切削加工时刀具材料与几何参数的合理选择。
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