By using a new emulsion making technique, a core-shell AgX emulsion for color negative red-sensitive layer was prepared successfully with photographic characteristics significantly improved.
采用新型乳剂制备技术，研制出彩色底片感红层核壳型乳剂，其照相性能得到明显的改善。
2
The actions of pure airborne negative ions, principles of releasing negative ions from negative ion emulsion coatings, research and development thereof home and abroad are introduced.
介绍了空气中负离子的作用、负离子乳胶漆释放负离子的原理和国内外负离子乳胶漆产品的研发进展。
3
The sulfated oil (anionic) imparts a negative charge to the fat particles in the emulsion.