What are Early Strength Agents?
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.…
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.…
Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently. Andersson held a joint press conference with visiting…
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.…
With the continuous development of science and technology, the constant emergence of new chemical raw materials has brought more possibilities to industrial production. Among them, zinc sulfur, as an environmentally friendly, efficient and multi-func…
Introduction to Titanium Carbide TiC Powder Titanium carbide or TiC is a typical transition metal carbide that has a NaCl-type cube crystals, a high melting point, hardness and high Young's molecular, excellent durability chemically, wear and resist…
French scientists have confirmed for the first time through genome sequencing that the "deltacron" variant of the new coronavirus that has previously attracted a lot of attention does exist, which combines the mutations in the new coronavirus delta v…