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...
At a low flow rate, fluid merely percolates through the void spaces between stationary particles.当流速低的时候, 流体只是穿过静止的颗粒之间的空隙.Water percolates through sand.水由沙中滤过.When gas percolates at a low speed in medium with low permea...
这幅画描绘的是从里亚托桥向北望的威尼斯大运河.The painting depicts the Grand Canal, Venice, looking north from the Rialto Bridge.乘地铁从里土满到伊斯灵顿要换三次车.Get from richmond to islington on the underground involve three change.戴利.汤姆森正从里圈赶上来了.Daley Thom...