The paper introduces the developem ent of oxygen leaching and zinc concentrates oxygen leaching process. 介紹了氧壓浸出技術(shù)的發(fā)展及鋅精礦氧壓浸出工藝。
Local low oxygen pressure caused by low air pressure in the altiplano results in many physiological and neuropsychological problems. 由于高原低氣壓所導致的局部低氧壓引起許多生理學(xué)與神經(jīng)心理學(xué)問(wèn)題。
The increase of dissolved oxygen will increase the corrosivity. 溶解氧含量的增加會(huì )顯著(zhù)加劇油田采出水的腐蝕性。
An appreciable reduction in oxygen content will lead to disomfort and possible death. 當空氣中的氧含量明顯下降時(shí)，人會(huì )窒息甚至可能死亡。
