fine ore

基本解釋

It is considered that fine ore-hunting prospects remain existent at depth.
認(rèn)為深部找礦仍有較大遠(yuǎn)景。
The mineral processing flowsheet and reagent system were investigated and adjusted for a fine refractory lead-zinc ore.
針對(duì)某細(xì)粒難選鉛鋅礦，進(jìn)行了合理的選礦工藝和新藥劑制度研究。
Taking the zinc fine-ore bin which is corroded by the sulfuric acid as example, this paper made relevant breakage analysis and reinforcement research.
以株洲冶煉廠鋅精礦倉廠房受硫酸破損為例，有針對(duì)性地進(jìn)行破損分析和加固處理研究。

Besides the unsightly effects that many mines have on the landscape, they usually churn out vast quantities of toxic waste in the form of acidic drainage-water and tailings—the fine particles of rock produced when ore is ground down to release the minerals it contains.
ECONOMIST: Mine pollution