The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri…
Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…
A lubricant is a substance that helps to reduce friction between surfaces that come into contact with each other, resulting in a reduction in the amount of heat generated as the surface moves.…
Foam concrete is also known as clc foam concrete. It is a lightweight thermal insulation material made of cement, lime and fly ash as main materials and mixed ingredients such as foaming agent.…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
Recently, the International Energy Agency (IEA) released a report showing that global demand for naphtha has fallen sharply. Two factors account for this, the IEA said. On the one hand, profits are being squeezed by rising crude oil prices and shrink…
Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe…
There are many types of lubricants available, from motor oils to special lubricants such as lithium-based lubricants.…
In terms of international pricing benchmarks, according to the CP data released by Saudi Aramco, the propane contract price (CP) in March was $895 / ton, up $120 / ton from the previous month, up 15.48% from the previous month and up 43.20% from the…
Cement foaming machine needs auxiliary test machine to help achieve better foaming effect in construction application. Cement foaming agent is a chemical admixture, which is added to cement. Compensate for shrinkage and tension of steel bars to produ…
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…
Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
Prestressed Concrete is a kind of concrete component mainly used in construction engineering and bridge engineering.…
Polyglyceryl-3-Oleate is an ionic nontoxic surfactant. It's biodegradable, nontoxic and nonirritating. Polyglyceryl-3 Oleate - What you need to know Polyglyceryl-3-Oleate is a ester of Polyglycerin-3 and oleic acids. It is non-toxic, nonirritating…
5A molecularsieve is calcium A-type silicon aluminate. A molecular sieve 5A can absorb molecules with critical diameters not exceeding 5A. Any molecular molecules which can be adsorbed using 3A or 4A molecular sieve can be adsorbed via 5A type. Abo…