The reaction law of phenol with MTBE to synthesis of p -TBP and 2,4-DTBP carried out on the fixed flow reactor under atmospheric pressure with HY modification zeolite catalyst is systematically researched. 甲基叔丁基醚 (MTBE)作为烷基化剂 ,以改性HY分子筛为催化剂 ,在常压连续流动固定床反应器上 ,对苯酚烷基化合成对叔丁基和 2 ,4 -二叔丁基苯酚 (2 ,4 -DTBP)的反应规律进行了较为系统的研究。
Methods 520cases of serum which suspect the hepatitis Bpatient were Carried on ELIAS law to measure the hepatitis B serum mark(hbv-m), Fluorescence quanti-tative enzyme chain reaction law measure content of HBVDNA and were compared. 方法 对520例怀疑乙肝患者的血清进行ELISA法检测乙肝病毒血清标志物(HBVM)和荧光量聚合酶链反应(FQ-PCR)检测HBVDNA的含量并进行比较。
Was his action in conformity with the law? 他的行为是否合法?
The reaction laws of nitrification\|denitrification and continuous nitrification\|denitrification by the SBR method are described. 介绍了间歇式活性污泥法硝化、反硝化及连续硝化、反硝化的反应规律。