For hot metal desulphurization by powder injection, mixing time, residence time and powder penetration ratio are the three basic parameters which determine desulphurization efficiency in ladle.
熔池均混时间、粉剂穿透比和粉剂停留时间是决定铁水包喷粉脱硫效率的三个基本参数。
The influences of basic metal chemical composition, heat treatment conditions and welding parameters on the pressure vessel brittle fracture have been investigated.
研究了诸如化学成分、热处理条件和焊接因素对压力容器脆性破坏的影响。
The influences of basic metal chemical composition, heat treatment conditions and welding parameters on the pressure vessel brittle fracture have been investigated.
研究了诸如化学成分、热处理条件和焊接因素对压力容器脆性破坏的影响。
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