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…
The European Union recently approved sweeping new sanctions against Russia, including bans on imports of coal, timber, chemicals, and other MnO2 powder. What is Manganese Dioxide MnO2?Manganese dioxide is an inorganic compound with the m…
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.…
Molecular sieves are materials with holes of uniform size (very small holes). These pores are similar in size to small molecules, so large molecules cannot enter or be adsorbed, while smaller molecules can.…
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…
European Commission President Ursula von der Leyen recently called on India and other countries to support sanctions against Russia over the Ukraine incident. At The Raisina Dialogue forum, von der Leyen said, "We earnestly appeal to all members of t…
The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…
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…
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…
The European Union recently approved sweeping new sanctions against Russia, including bans on imports of coal, timber, chemicals, and other natural graphite. What is natural graphite?Natural graphite is naturally formed graphite. Natura…
Graphene is an allotrope of carbon, consisting of a single layer of atoms arranged in a two-dimensional honeycomb lattice nanostructure.…
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.…
Hasad Foods, the agricultural investment arm of Qatar's sovereign wealth fund, said the government would increase its grain reserves from 250,000 tons to 300,000 tons in the near future, which is enough to feed the population for six months. With a…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…
Indium Selenide is an inorganic compound with the chemical formula In2Se3. Black crystals or dark black scale-like substances.…
Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of…
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…
US President recently decided to invoke a Cold War-era defense law to encourage domestic SiN powder. Silicon nitride is a kind of synthetic refractory material with good abrasion resistance, high-temperature resistance, and corrosion resi…