Optimization and modeling of boric acid extraction from colemanite in water saturated with carbon dioxide and sulphur dioxide gases.

在碳及硫饱和水溶液中从硬硼钙石提取硼酸最优案的研究。

A series of reversible thermochromic paints were prepared using different kinds of inorganic compounds as filler,cresol red as chromophoric reagent and boric acid as delomorphic reagent.

以甲酚红为发色剂,硼酸为显色剂,选择不同的无,制备出系列可逆热致变色颜。