Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
Polypropylene PP fiber has the advantages of high strength, good toughness, good chemical resistance and antimicrobial resistance, and low price, so it is widely used in ropes, fishing nets, safety belts, luggage belts, safety nets, sewing threads, c…
Ni3N is also known as nickel nitride. Nickel nitride, Ni3N powder, is used in Film material; PVD coatings, plating materials, and so on. Purity: 99.9%Particle Size: -100 Mesh Nickel Nitride Ni3N Ni3N Powder Nickel nitride Stable in moist atmos…
A wave of layoffs that has swept the entire Internet industry has intensified. China's Internet industry has experienced several crises and major changes in the past development process. There is also a "brief history of layoffs by major Internet com…