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。

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。

The glass surface is blackened by use of ion exchange hydrogen reduction method, doping coloration ion method, surface coating method and collosol-gelling method.

对该玻璃表面黑化，采用了离子交换氢还原法、玻璃中掺杂着色离子法、表面涂覆法以及溶胶凝胶法。