pre-crystallization相关论文
Semi-solid casting of M2 high speed steel ingots was investigated by inclined slope pre-crystallization method.Effects o......
采用预晶化法合成了ZSM-5分子筛催化剂,采用XRD、SEM、N2一吸附、NH3-TPR等方法对催化剂进行了表征。结果表明:合成的ZSM-5分子筛具......