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With the wide application of polycarboxylate superplasticizer, the requirement of concrete early strength in practical engineering is more and more prominent, so the polycarboxylate superplasticizer has been the focus of research to meet the early st…
After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…
Graphite price have moved higher again over the past month. Fine flake prices have soared.…
Koalas were declared endangered in eastern Australia on Friday, with more and more koalas dying from disease, habitat loss, and other threats. Earlier, the koala was considered a vulnerable species, and the Commonwealth Department of the Environment…
AlN is mainly used in the microelectronics industry as an electrically insulating but thermally conductive barrier in silicon-based electronic devices.…
There are many types of lubricants available, from motor oils to special lubricants such as lithium-based lubricants.…
Polycarboxylate superplasticizer has high surface activity and good foam retention, which will affect the strength of concrete due to excessive gas content.…
Recently, on Sinopec's annual results teleconference, the company representative answered questions about the oil prices, and said that the future trend of oil prices is still very uncertain, and it is expected to be around $100 this year and $85 nex…
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.…
Boron carbide (B4C) is an extremely hard boron-carbon ceramic and covalent material used in tank armor, bulletproof vests, engine damage powder, and many industrial applications.…
Russian President says if the European Union imposes an oil embargo, Europe will buy energy at the most expensive price and economic activity in Europe will weaken. Rosneft needs to change its business model. Russia will help facilitate settlement an…
Prices in the national electricity market averaged $87 per megawatt-hour in the first three months of the year, above the level promised by the federal government. Wholesale electricity prices for industry and large businesses have already exceeded t…
Aluminium buyers in the US physical metal market have held off on new orders amid fears of a recession triggered by rising inflation and supply chain crises. Spot aluminium trading on the market has been suspended in recent weeks, according to indus…
Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even…
Graphene is an allotrope of carbon, consisting of a single layer of atoms arranged in a two-dimensional honeycomb lattice nanostructure.…
OPEC+ is likely to stick to its plan for a small increase in oil amorphous boron powder will continue to be influenced by the oil supply shortage. What is boron?Boron is a chemical element with the symbol B and atomic number 5. In its cry…
Foam concrete has a low density. In practical application, the density grade of ordinary foam concrete is 300 kg/m3~1200kg/m3.…
The MAX phase material is a natural layered carbonitride inorganic non-metallic material composed of three elements. It has the electrical and thermal conductivity of metal, and also has the high strength, high temperature resistance.…
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o…
Copper is the earliest discovered chemical element. Its chemical symbol is Cu, atomic number is 29, and atomic weight is 63.546 U.…