In fact, from the mobile phone accessories industry category, charger or just the tip of the iceberg. The research found that mobile phone accessories can be roughly divided into built-in mobile phone accessories and external mobile phone accessories…
The European Union recently approved sweeping new sanctions against Russia, including bans on imports of coal, timber, chemicals, and other MnO2 powder. What is Manganese Dioxide MnO2?Manganese dioxide is an inorganic compound with the m…
The solid superplasticizer concrete The solid superplasticizer is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kind of concrete admixture that can reduce water…
Applicationof modified silicon nitride ceramic in rubber field Thesilicon nitride ceramic is formed by irregular stacking of tetrahedrons formedby Si atoms as the center and O atoms as the apex. It is an amorphous whitepowder and is a non-toxic, odor…