腐殖酸通常被看作是芳烃化合物的聚合物.Humic acids are usually regarded as polymers of aromatic compounds.芳烃加氢饱和及开环反应是一种提高柴油十六烷值的有效途径.Its hydrogenation activity in aromatics saturation and ring opening activity were investigated.扬子石化芳烃厂吸附塔出...
The large hotel chains employ architects and interior decorators who specialize in hotel work.大型旅馆连锁聘有对旅馆业务有专门知识的建筑师和内部装璜师.Architects have trended toward simplicity in recent years.近几年来,建筑家倾向于简易建筑.Should architects conti...