hydrotrea相关论文
九江石化总厂炼油厂对不同性质的原油进行了生产３号喷气燃料的工业试验。试炼结果表明，单炼石蜡基原油时，产品的冰点与密度不能同时符......
A 60%Fe/Al2O3 catalyst was prepared by the co-precipitation method.It was reduced by H2 to produce metallic Fe,which was......
简略地综述了国内外氟钽酸钾钠还原生产钽粉的工艺现状，并对其发展趋势提出了一些看法。......
