There are O2 and N2 respectively 21%and 79%in air,being constant with CO2 instead of N2 in the case of oxygen so tha......

研究了以Co-Mn-Br为催化剂,对二甲苯(PX)液相氧化下不同氧浓度(质量分数21%～31%)和不同空速对对苯二甲酸(TA)产率、中间产物含量、P......