克罗斯比断言说：“我们一无所获，在做无用功。”"Getting nowhere fast," pronounced Crosby, "that's what we're doing."他正在桌前用功。He was working at his desk.她上学非常用功。She shows great diligence in her schoolwork....
It is cinnabar and dickite, kaolinite petrochemical and hydrothermal alteration of the product of mercury.它是辰砂与迪开石 、 高岭石化热液蚀变及汞矿化的产物.Aim To investigate the sorption mechanism of chlorobenzenes on CTMAB modified kaolinite...
A virus is nigatively charged above its isoelectric point.病毒在它的等电离点以上时带负电荷.Isoelectric focusing may be used as another indication.等电聚焦可以用为另一指标.CMC stabilizes protein dispersions, especially near their isoelectric pH valu...