To overcome this problem, the zeolite can be modified with amorphous cracking component to form a compo - site catalyst.
为了解决这个问题，可以用无定形裂化组分对沸石进行改性而制成一种复合催化剂。
The research and development of a metallocene based single site catalyst with constrained geometry configuration and its polymerization products are reviewed.
综述了限制几何构型金属茂催化剂及其聚合产物的研究和开发情况。
The effects of catalyst quantity, acetic alcohol mole ratio, acetic acid and ethyl alcohol feed site, reflux ratio and reflux composition on the process are investigated.
对乙酸与乙醇酯化反应体系，考察了催化剂用量、酸醇比、进料位置、回流比、回流组成等因素对过程的影响。
The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct. The formation reaction is exothermic.
催化剂具有扭曲的椅式构型，与硼烷在N原子处配位形成加合物，反应是放热的。
The probably active site of the cross coupling reaction over nano Ni catalyst is investigated.
讨论了纳米镍催化偶联反应的可能活性位。
The catalyst is characterized in that the catalyst is a tetradentate schiff base complex contains one or two organic base groups and has single active site initiation and controllable polymerization.
其特征是该催化剂系含有一个或两个有机碱基团的四齿席夫碱钴配合 物，具备单活性点引发和可控聚合。
The deactivation of the catalyst of furfural decarbonylation is mainly due to carbon deposition attached to the catalyst surface, it leads to the active site embedded, so the catalyst losed activity.
糠醛脱羰催化剂失活的主要原因是大量积碳附着于催化剂表面使活性中心被包埋从而使催化剂失去活性。
The catalyst quantity, alcohol-acetic mole ratio, feed rate and reflux feed site effects on the process are investigated.
对醋酸与正丁醇酯化反应体系，考察了催化剂用量、醇酸比、进料流量、进料位置、回流位置等因素对过程的影响。
Metallocene catalyst is a new kind of catalyst having homogeneous-site, molecule tailing capability and controlled structure. It can be used to synthesize special function polyolefine.
茂金属催化剂是一种具有均匀的活性中心，分子裁剪性和结构可控性的新型催化剂，用它催化可制得具有特殊性能的茂金属聚烯烃。
Metallocene catalyst is a new kind of catalyst having homogeneous-site, molecule tailing capability and controlled structure. It can be used to synthesize special function polyolefine.
茂金属催化剂是一种具有均匀的活性中心，分子裁剪性和结构可控性的新型催化剂，用它催化可制得具有特殊性能的茂金属聚烯烃。
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