The fracture of Daxian-Wolonghe River Wet Gas Pipeline and the hazards of ferric sulfide powder produced in dry gas pipeline are analyzed in detail.
系统分析了达县—卧龙河湿气管道爆裂的原因和干气管道内硫化铁粉尘产生的原因及其危害。
The D2EHPA-TOA organic phase was used as the solvent-extraction system for the concentration of zinc and the separation of ferric ion from the biochemical lixivium of low-grade zinc sulfide.
选用D2EHPA—TOA体系作为低品位硫化锌矿生物浸出液中锌的富集和铁的去除的溶剂萃取体系。
The D2EHPA-TOA organic phase was used as the solvent-extraction system for the concentration of zinc and the separation of ferric ion from the biochemical lixivium of low-grade zinc sulfide.
选用D2EHPA—TOA体系作为低品位硫化锌矿生物浸出液中锌的富集和铁的去除的溶剂萃取体系。
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