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 results analyzed in those obtained by inductively coupled plasma - atomic emission spectroscopy and atomic absorption spectroscopy.本文分析结果与等离子发射光谱和原子吸收光谱对照相吻合.Therefore by regulating swirl number of combustor NO emiss...
所有的原料都可以方便地从你当地的商店买到。All ingredients are readily available from your local store.这些因素可以很方便地分成3类.These factors can be conveniently categorized under three headings.身体喷雾可以很方便地放到运动包里，比赛结束后喷一喷能解乏提神。The body spray slips conve...