The rising price of coke also has a certain impact on the price of the product name Recently, coke prices are rising. From June 7 zero hours,…
Researchers at University College London have demonstrated a graphene nanomentum that is highly hydrophilic, ultra-hydrophobic and low oil adhesion underwater.…
U.S. refiners forecast strong first-quarter earnings as margins on gasoline and diesel sales improved, refining capacity fell sharply and crude supplies tightened due to the Russia-Ukraine war.Global refining capacity has declined amid the coronaviru…
The main difference between silicon carbide and boron carbide is that in silicon carbide one silicon atom bonds to one carbon atom, whereas in boron carbide four boron atoms bond to one carbon atom.…
The application of various concrete admixtures can not only improve the performance of concrete, but also promote the development of new concrete technologies, promote the application of industrial by-products in cementitious material systems, and al…
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.…
As the world deals with potential supply shortages, oil prices are soaring again, with more dramatic spikes and sudden drops expected.For consumers, that means more expensive gas for longer - prices at the pump remain above $4 a gallon. For the econo…
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…
An alloy is a mixture of chemical elements, at least one of which is metal.…
Since 2022, Russia-Ukraine geopolitical conflicts have intensified, and global energy prices have risen sharply, with international natural gas prices hitting historic highs. As the most important transitional energy source in the transition from fos…
Copper is the earliest discovered chemical element. Its chemical symbol is Cu, atomic number is 29, and atomic weight is 63.546 U.…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…