微孔分子筛的孔道尺寸较小不利于反应物和产物的扩散,而介孔分子筛的酸性较弱、水热稳定性差。为了克服单一孔道的的缺点,多级孔分......

<正>The transition metals (Cu, Co, and Fe) were applied to modify Ni/Ce0.2Zr0.1 Al0.7Oδcatalyst. The effects of transit......

用醇盐水解法制得纳米镍负载型松香歧化新型催化荆，用此催化剂催化松香歧化，考察了催化剂的寿命。用扫描电镜、原子吸收分光光度法、......