copper smeltery

基本解釋

Methods A prevalence survey was carried out to investigate 222 male workers of a copper smeltery plant and 68 workers in a control group.
方法采用現(xiàn)況調(diào)查方法，對(duì)銅冶煉廠222名男性工人和68名對(duì)照組工人進(jìn)行調(diào)查。
The form of copper occurrence in contaminated soil in a smeltery site was discussed comparatively by continuous chemical digestion, with the coefficient of biologic effectiveness to copper calculated.
采用化學(xué)連續(xù)浸提法對(duì)冶煉廠污染土壤中銅的賦存形態(tài)進(jìn)行了比較分析，并且計(jì)算了銅的生物有效性系數(shù)。
Straight-way waste heat boiler is often selected preferentially for copper smeltery to avoid fouling due to bad working conditions.
銅冶煉廠余熱鍋爐的工作條件較為惡劣，側(cè)重于防止積灰而常選用直通式余熱鍋爐。