It is found that the glass surface coating method and the collosol-gelling method are feasible for the blackening of glass surface.
经过试验分析，得出了玻璃表面涂覆法和溶胶凝胶法是使玻璃表面黑化的可行途径。
2
In this paper, the formation mechanism of collosol in liquors was illustrated and the physical properties of collosol were introduced.
详细论述了中国白酒形成溶胶的机理及其物理特性；揭示了提高及控制白酒质量的原理与方法。
3
The glass surface is blackened by use of ion exchange hydrogen reduction method, doping coloration ion method, surface coating method and collosol-gelling method.