The liquid phase alkylation of catechol with tert-butyl alcohol to produce 4-tert-butyl catechol (4-TBC) was carried out over MCM-41, HZSM-5, H-exchanged montmo
<正>The annual subscription rate of 'Chinese Journal of Chemical Engineering' in 2006(Volume 14, 6 issues) will be changed to (for all the countries exc