Properties and applications of boron carbide
Boron carbide (B4C), also known as black diamond, is gray-black and is a very hard man-made material.…
Boron carbide (B4C), also known as black diamond, is gray-black and is a very hard man-made material.…
As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…
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…
Spherical aluminum nitride has high purity, uniform particle size distribution, clean surface, high sphericity, no residual impurities, easy dispersion, and good compatibility with organisms.…
Gold is a high-quality hedge hedging tool, favored by investors. Especially in recent years, with the increasing instability of the world economy, gold has become one of the preferred asset allocations of investors because of its functions of hedging…
How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
A surplus of generating capacity means Bangladesh is paying hundreds of millions of dollars in incentives to power producers that do not produce any electricity, according to a government report.…
In fact, in essence, nickel-based alloys are also a kind of stainless steel. They are just special stainless steels. The chemical composition is also different from ordinary stainless steel.…
Cement foaming agent is called foamed concrete foaming agent. It refers to an admixture that can reduce the surface tension of liquid and produce a large amount of uniform and stable foam. It is an admixture used to produce foamed concrete and can pr…
Nickel-based superalloys are the most widely used. The main reason is that, one is that more alloying elements can be dissolved in the nickel-based alloy, and it can maintain good structural stability…