Fluoride exist in natural water and are essential micronutrients for the human body, preventing tooth softening and promoting hard tissue mineralization. According to data reports, the maximum acceptable concentration of fluoride in drinking water is less than 1.5 mg/L. The incidence of high fluorid…
Bromine based flame retardants are compounds that can decompose at high temperatures and release bromine ions. They can react with free radicals to generate stable bromine compounds, thereby achieving flame retardant effects. Bromine based flame retardants have the advantages of good fire resistance…
Root exudates refer to a wide variety of substances secreted or released from different parts of the root system into the growth medium during plant growth. Root exudates play an important role in soil structure formation, soil nutrient activation, plant nutrient absorption, and environmental stress…
Solder paste is a new type of soldering material that has emerged with surface mount technology (SMT). Solder paste is a complex system composed of a mixture of solder powder, flux, and other additives. Solder paste is divided into two types: halogen-free and halogenated. Among them, halogen-free so…
