Objective: This HPLC method is to determinate the purity of benzo - macrocyclotetraamide NaFe.目的: 采用高效液相色谱法测定苯并大环四酰胺钠铁的纯度.Objective To synthesize 2 - ( 4 - methoxypheny ) - 6 - methoxy - benzo [ b ] thiophene.摘要目的合成目的产物 ...
We could now very plainly hear their heavy tread.我们现在可以非常清楚地听到他们沉重的脚步声。Plainly, a more objective method of description must be adopted.显而易见，必须采用更为客观的描述方法。He was plainly very put out at finding her there.发现她在那里他明显很不安。...