Moderately weathered rock showed more intense bleaching and fissuring in the feldspars.中等风化岩石则是指长石有更为强烈的变白现象和裂纹现象.Bleaching effects are very strong and show on air photos.退色效应非常强烈,并且反映在航空象片上.The bleaching action of fluor...
Features of sodium chlorite bleaching for cotton knits are described.本文叙述了亚氯酸钠对纯棉针织物漂白的特点.Optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.研究了桑枝硫酸盐法制浆适宜的工艺条件和单段、两段次氯酸盐漂白工艺条件.T...