钨铁

用白钨精矿代替钨铁炼钢的研究

Investigation of scheelite instead of ferrotungsten in steelmaking

钨铁冶炼脱磷工艺探讨

Discussion on Dephosphorization Technology for smelting ferrotungsten

研究了在钨铁酸铅（PFW）中添加Ca2+的合成过程及相应的介电性能。合成方法采用B位先驱体合成法。

Synthesizing process and dielectric properties of Ca-doped PFW are investigated .

影响金属热法钨铁成分偏析的重要因素

Important factors to affect the segregation of Fe-W composition in metallothermic method

柠檬酸掩蔽钨硫氰酸盐光度法测定钨铁中钼量

Determination of Molybdenum in Ferrotungsten with Citric Acid Masked Tungsten Thiocyanate Spectrometric Method

石英-钨铁矿氧同位素地质温度计及其地质应用研究

Quartz-ferberite oxygen isotope geothermometer and its geological applications

GB/T7731.14-1988钨铁化学分析方法极谱法测定铅量

Methods for chemical analysis of ferrotungsten & The polarographic method for the determination of lead content

GB/T7731.7-1987钨铁化学分析方法苯基荧光酮光度法测定锡量

Methods for chemical analysis of ferrotungsten & The phenylfluorone photometric method for the determination of tin content

GB/T7731.1-1987钨铁化学分析方法辛可宁重量法测定钨量

Methods for chemical analysis of ferrotungsten & The cinchonine gravimetric method for the determination of tungsten content

GB/T7731.9-1987钨铁化学分析方法碘化铋光度法测定铋量

Methods for chemical analysis of ferrotungsten & The bismuth iodide photometric method for the determination of bismuth content

钨铁化学分析方法火焰原子吸收光谱法测定锰量

Methods for chemical analysis of ferrotungsten The flame atomic absorption spectrometric method for the determination of manganese content

黑云母、榍石、锆石、锡石、金红石、黑钨矿、白钨矿和钨铁铌矿等是讨论的重点矿物，它们可用于判别花岗岩的成矿能力。

Biotite , titanite , cassiterite , rutile , wolframite , scheelite and wolframoixiolite are essentially useful minerals in clarifying the ore-forming potential of granites .

现已拥有加工钒系列产品生产基地，并同时在经营钨铁、钼铁、硅铁等合金的加工和贸易。

Now we have built up our manufacturing bases for Vanadium series products , meanwhile we 're also processing and trading of FeW , FeMo , FeSi , etc.

在表面活性剂存在下，用邻苯二酚紫作显色剂，光度法测定钨铁中钨的含量，并进行了条件试验和结果对照。

With the surface activating agent existing , the conditional test and result contrast of tungsten determination in ferrotungsten by photometry with catechol violet & hexadecyltrimethylammonium bromide were conducted .

本文研究用白钨精矿代替钨铁炼钢的基础理论、加入方法，最佳加入量、钨的回收率以及用白钨精矿炼钢对钢的质量和性能的影响等。

This paper describes the fundamental theory , addition methods , optimum addition weight of scheelite instead of ferrotungsten in steelmaking and the yield of tungsten as well as the influence of using scheelite on the quality and the properties of steel .