Vapour phase chromatography has rapidly become one of the most successful analytical techniques.气相色谱法已经迅速成为最成功的分析方法之一.Lectins in haemolymph of Sarcophaga peregrina larvae and pupa were purified by affinity chromatography...
对树木的大规模砍伐正在破坏环境。The broadscale cutting down of trees is damaging the environment.他们在砍伐这个地区的所有树木.They are felling all the trees in this area.我们必须在矮树林中砍伐出一条路来.We had to chop a way through the undergrowth....
This theory can be extended to biaxial stress.这个理论能推广到双轴应力.The effects of secondary torsion on shear strength of biaxial flexural reinforced concrete beams are analyzed.探讨了次生扭矩对钢筋混凝土双向受弯梁抗剪承载力的影响.The program will design ...