With urbanisation the antagonism between rich and poor sharpened.伴随着城市化的推进，贫富间的对立情绪也加剧了。Urbanisation decreases the likelihood of trees being felled for heating and building.城市化进程降低了因取暖和大兴土木而砍伐树木的可能性.But urbanisation is a...
凝胶脱色的另一方法是电泳法.Alternatively the gels may be destained electrophoretically.本研究探讨一些脱色方法期使纸业废水洁净无色,结果显示废水中之色质常因其粒径微小不易凝集去除.In this study, we explored several means of color removal from effluents.利用对实际废水的脱色验证了实验结论的有效性.The v...