1. Color Space: there are five complete color spaces available: CIE X Y Z; CIE Yxy； CIE L * a * b *； CIE L * C * h； and Hunter L a b. Each of these scales consists of three numbers, but each number is determined in a unique way.

The colorimeter is mainly based on its color light ternary principle and complementary color principle to detect the color and control the color quality of the product. None of the three primary colors can be combined with the other two colors. In addition, the three primary colors as the basic colo

Ultra-pure water system can remove impurities in the water, the produced water is with high purity, but ultra-pure water is easy to be polluted. How to ensure water quality in the process of using ultra-pure water machine? It’s very high requirement for ultrapure water storage. Ultrapure water can’t

一： Home Disinfection Precautions In daily life, in addition to clear pathogen contamination, frequent disinfection is not required, and daily cleaning operations are sufficient. Once there are patients with infectious diseases in the family, disinfection should be done well. Common disinfection