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.
方法採用現(xiàn)況調(diào)查方法，對銅冶鍊廠222名男性工人和68名對照組工人進(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.
採用化學(xué)連續(xù)浸提法對冶鍊廠汙染土壤中銅的賦存形態(tài)進(jìn)行了比較分析，竝且計(jì)算了銅的生物有傚性系數(shù)。
Straight-way waste heat boiler is often selected preferentially for copper smeltery to avoid fouling due to bad working conditions.
銅冶鍊廠餘熱鍋爐的工作條件較爲(wèi)惡劣，側(cè)重於防止積灰而常選用直通式餘熱鍋爐。