Silicon Nitride Powder HomeSilicon nitride (Si3N4) is a covalent bond compound composed of silicon and nitrogen. It was found in 1857 and also was mass-produced as a ceramic product in 1955. Silicon nitride porcelains have several advantages that ste…
Fraport sees lower cargo volumes in 2022 as the ongoing war in Ukraine, restrictions in China and a slowing global economy continue to weigh on its performance. Cargo volu…
The aquarium is a place for aquatic life display and popular science education, as well as a place for aquatic life resource protection and scientific research. Aquariums can specialize in marine life, freshwater life, or both; there are public aquar…
In the past two months, on the background of weaker demand expectations, international crude oil prices have fallen by more than 20%. Analysts said that the poor macro data of major overseas economies, under the expectation of economic recession, cru…
Health care workers who received the fourth dose of the Pfizer coronavirus vaccine had a significantly lower risk of contracting arcanocron than their counterparts who received only three shots, according to a study released Tuesday.…
Polycarboxylate superplasticizer is the third generation of high-performance water-reducing agent after ordinary water-reducing agent and high-efficiency water-reducing agent.…
Early strength admixture refers to the admixture that can improve the early strength of concrete and has no significant effect on the later strength.Superplasticizer for concreter is a concrete admixture that can reduce the amount of mixing water whi…
Whether the cement used and the pumping agent are matched and adapted must be obtained through the adaptability test. The optimum amount of the pumping agent should be determined through the adaptability test with the cement cementitious material.…
The influence of cement foaming agent on the quality of foamed concrete is extremely critical. A good cement foaming agent can make high-quality foamed concrete. How the various performance indicators of cement foaming agent affect the quality of foa…
What is slitting line? A slitting line works by cutting a large roll of metal into multiple, narrower rolls. It’s a continuous production process that is very precise. Slitting is a metal manufacturing process wherein a coil of material, such as alum…
The characteristics and market analysis of carbon nanotubes and the aluminum magnesium boride coating fibers In this macro world, we all get tired from time to time. The same is true for bundles of carbon nanotubes, no matter how perfect their indivi…
The characteristics and market analysis of carbon nanotubes and the aluminum magnesium boride coating fibers In this macro world, we all get tired from time to time. The same is true for bundles of carbon nanotubes, no matter how perfect their indivi…