The technique advance of C4 olefin aromatization, catalytic cracking and disproportionation for producing low-carbon olefin were introduced too.
并介绍了C 4烯烃芳构化、催化裂解、歧化制低碳烯烃等新技术的研究进展情况。
Moreover, IR spectra of ammonia on HM and its catalytic activity for toluene disproportionation reaction are determined under conditions approximating those that are actually carried out for this.
在接近甲苯岐化反应实际进行的条件下，测定了HM上吸附氨的红外光谱和催化活性。
The results showed that the cross-linked clay had better catalytic activity to the disproportionation of 1,2,4-trimethylbenzene.
结果表明：交联黏土催化剂对1，2，4-三甲苯歧化反应具有较好的催化活性。
The results showed that the cross-linked clay had better catalytic activity to the disproportionation of 1,2,4-trimethylbenzene.
结果表明：交联黏土催化剂对1，2，4-三甲苯歧化反应具有较好的催化活性。
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