The floatation performance of jamesonite with diethyldithiocarbamate as collector is studied.研究了以乙硫氮为捕收剂时脆硫锑铅矿的浮选性质.A new type of inhibitor ( RC ) was used for separating jamesonite from pyrrhotite.研究了新型抑制剂 RC 在脆硫锑铅矿和磁黄铁...
He predicts a continuation of healthy profits in the current financial year.他预计本财年能继续保持可观的利润。Galactic surveys show that distant galaxies are not as evenly distributed in space as theory predicts.对银河系的研究表明，遥远星系在太空中的分布并不像理...
He reaffirmed their determination to tackle inflation...他重申了他们要解决通货膨胀问题的决心。He reaffirmed their determination to tackle inflation.他重申了他们要解决通货膨胀问题的决心。She reaffirmed that she was prepared to help.她再次表明她乐于提供帮助.The desultory ...