Ultra-clean and high-purity chemicals are essential basic chemical materi&als in the development of microelectronics technology. They are mainly used in♥ the fields of semiconductors, flat panel displays, and solar photovo∑ltaic industry, as we...
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At present, the higher the ripeness of fruits used for juice processing, the higher σthe sugar content and the better the taste of the produced ju§ice. However, during the picking season, it is diffic₽ult to ensure that all the fruits picked ar...
Ammonia nitrogen is the main nutrient of plants and mi✔croorganisms, and the concentration of ammonia nitrogen in water is an important i♥ndex to evaluate the pollution degree of water. The increase of ammoαnia nitrogen content in water will ca...