Ultra-clean and high-purity chemicals are essential basic chemical materials in the development of microelectronics technology. They are mainly used in the fields of semiconductors, flat panel displays, and solar photovoltaic industry, as we...
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At present, the higher the ripeness of fruits used for juice processing, the higher the sugar content and the better the taste of the produced juice. However, during the picking season, it is difficult to ensure that all the fruits picked ar...
Ammonia nitrogen is the main nutrient of plants and microorganisms, and the concentration of ammonia nitrogen in water is an important index to evaluate the pollution degree of water. The increase of ammonia nitrogen content in water will ca...