The circumstances of making high-grade ferrotungsten by alumino-silico-thermic process are desicribed.
本文介绍了铝硅热法生产高钨铁的工艺研究情况,讨论了一些工艺条件对冶炼的影响。
The effect of heat treatment on the properties of high Cr-W cast iron was studied in this paper.
研究了热处理对高铬钨铸铁力学性能的影响,结果表明,高铬钨铸铁经980℃×2h空冷+400℃×2h回火处理可获得较高的力学性能。
A yellow or yellowish-green mineral, essentially WO3, often occurring with tungsten ores.
钨华一种黄色或黄绿色的矿物。主要是WO3，通常存在钨矿石中
Review and Prospect on Tungsten Deposit Geological Exploration in South China
华南地区钨矿床地质找矿回顾与展望
Geochemistry Characteristics of Xihuashan Tungsten Granite and Its Relationship To Tungsten Metallogenesis
西华山钨矿花岗岩地球化学特征及与钨成矿的关系
Development,Utilization and Protection of Xihuashan Tungsten Mine Resources;
西华山钨矿矿产资源的开发利用与保护
Comprehensive Control Measures for Complex Formation in Xihuashan Granite Mine
西华山钨矿区复杂地层钻进的综合治理措施
DISCOVERY AND ITS SIGNIFICANCE OF MELT INCLUSIONS WITHIN BERYL FROM THE WOLFRAMITE-QUARTZ VEINS IN XIHUASHAN OREFIELD,JIANGXI
西华山黑钨矿石英脉绿柱石中熔融包裹体的发现及其意义
A PRELIMINARY STUDY ON THE THREE-DIMENSIONAL STRUCTURE-PATTERN OF ROTATING ECHELON FRACTURES:AN EXAMPLE EROM VEIN TUNGSTEN DEPOSITS OF XIHUASHAN
旋转雁行断裂的三维构造型式初探─—以西华山脉状钨矿构造为例
Prelimimary Probe on the Geological Characteristics and Metallogenic Law of Continuable Resource Exploration Area in Xihuashan Tungsten Deposit
西华山钨矿接替资源勘查区地质特征及成矿规律初探
Comparison of Ultrafine Tungsten Powder Produced by Hydrogen Reduction of Blue Tungsten Oxide and Violet Tungsten Oxide
蓝钨与紫钨氢还原法生产超细钨粉的比较
nitrided niobium-titanium-tungsten alloy
氧化铌--钛--钨合金
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。
The Status and Development Trends of Tungsten Materials and Tungsten Wire Industry in China;
中国钨材、钨丝加工业现状及发展趋势
Determination of tungsten in tungsten ore by spectrophotometry with microwave digestion
微波消解-分光光度法测定钨矿中钨
Methods for chemical analysis of tungsten concentrates--The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content
GB/T6150.1-1985钨精矿化学分析方法钨酸铵灼烧法测定三氧化钨量
STUDIES ON WHITE POWDERY TUNGSTIC ACID (Ⅱ)--THE PREPARATION OF VARIOUS METATUNGSTATES
粉状白钨酸的研究(Ⅱ)——从粉状白钨酸制备偏钨酸盐
a very hard heat-resistant steel containing tungsten.
极硬抗热且含钨的钢。
calcium nicotinate [not put up as medicaments]
烟酸钨[未配制成药物]
inert gas tungsten arc welding
钨板惰性气体保护焊