The methods of extracting and refining tellurium presently were mainly soda roasting,autoclaving in general basic solution,sulfating roasting,oxidative leaching in acid solution,solvent extraction,emulsion liquid membrane,microbial method,electrorefining,vacuum distillation and zone melting etc.
目前分离提纯碲的方法主要有苏打粉焙烧法、碱性高压浸出法、硫酸化焙烧法、氧化酸浸法、萃取法、液膜法、微生物法、电解精炼法、真空蒸馏法、区熔精炼法等,其中电解精炼法得到的碲的纯度达到99。
Effect of roasting temperature on usability of Al-Ti system fusion flux
烘焙温度对铝钛系熔炼焊剂使用性能的影响
Effect of roasting temperature on usability of Al-Ti system fusion flux
烘焙温度对铝钛系熔炼焊剂使用性能的影响
Effect of Multi-component Active Fluxes on Penetration in TIG Welding
多组元活性剂对TIG焊焊缝熔深的影响
electrode ,of base metal, coated or cored with flux, for soldering, brazing or welding
焊条,贱金属制,外涂或内心装有焊剂,用于软焊,硬焊或熔焊
electrode ,of metal carbides, coated or cored with flux, for soldering, brazing or welding
焊条,硬质合金制,外涂或内心装有焊剂,用于软焊,硬焊或熔焊
Effect of Fluxing Agent B_2O_3 on Melting Temperature of CaO-Based Refining Slag
B_2O_3作助熔剂对CaO基精炼渣系熔化温度的影响
The Effect of Activating Flux on the Welding Penetration of 20g Steel TIG
活性剂对20g钢TIG焊熔深的影响
AZ91 Magnesium Alloy Smelting without Flux
AZ91镁合金无熔剂冶炼工艺研究
A substance applied to a surface to be joined by welding, soldering, or brazing to facilitate the flowing of solder and prevent formation of oxides.
焊剂施于熔接或焊接以防止氧化、促进焊面结合的物质
The varied weld penetration depths of austenic stainless steel in A-TIG welding are studied.
采用活性化焊剂TIG焊接方法研究了奥氏体不锈钢焊缝熔深的变化.
Abstract: Melting behavior of silica flux in the converting process of high grade copper matte was investigated.
文摘:研究了高品位铜冰铜转炉吹炼石英熔剂熔化行为。
Melting behavior of silica flux in the converting process of high grade copper matte was investigated.
研究了高品位铜冰铜转炉吹炼石英熔剂熔化行为。
Performance of Grain Refiner for Al Alloy Fabricated by Different Melting
不同熔炼方式制备铝合金晶粒细化剂效果研究
Research of Ladle Deoxidized Slag Used as Flux to Make Silicon-manganese
钢包脱氧渣做熔剂冶炼硅锰合金的探索
PRIMARY EXPLORING FOR SMELTING MANGANE-SESILICON WITH DEOXIDIZING SLAG AS FLUX
“转炉钢脱氧渣”做熔剂冶炼锰硅合金的初步探索
liquation process
熔析法 -金属精炼
Observations of Molten Pool Behavior during A-TIG Welding
活性剂钨极惰性气体保护电弧焊接熔池行为的观察
Briefly speaking, the other major raw materials for blast furnace smelting include fuels, fluxes and air.
简单地讲．用于高炉冶炼的原料除了铁矿石外，还有燃料、熔剂和空气。
Agriculture, smelting, petroleum, food &beverages, tobacco, handicrafts, clothing, tin mining, natural gas, narcotics.
农业,熔炼,石油,食物&饮料,烟草,工艺品,衣物,罐子采矿,天然气,麻醉剂。