Yesterday, Nancy Pelosi, speaker of the US House of Representatives, arrived in Taiwan, becoming the highest-ranking US official to visit Taiwan in 25 years.The move was interpreted as a direct threat by China, which claims the island is part of its
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
About Silicon Nitride Si3N4 Powder:The silicon nitride composition is silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride. It is white solid with a high melting point, relative chemical inert, diluted HF and hot H2SO4 atta
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not to pa
Nitinol is a shape memory alloy, which is a special alloy that can automatically restore its own plastic deformation to the original shape at a certain temperature, and has good plasticity.
As the European Union tries to reduce its dependence on Russian energy, the Russian president recently said Russia would try to shift its energy exports to the east, adding that there was no way for European countries to give up Russian gas immediate
Silicon hexaboride SiB6 powder is a glossy black-gray powder, which can be used as various standard abrasives, grinding carbides, antioxidants, refractory materials, and also used as engineering ceramic materials, sandblasting nozzles, manufacturing
Nickel-based alloys refer to a class of alloys that have high strength and a certain degree of oxidation and corrosion resistance at a high temperature of 650 to 1000 ℃.
New materials refer to newly developed or developing structural materials with excellent properties and functional materials with special properties. Structural materials mainly use their strength, toughness, hardness, elasticity, and other mechanica
It is reported that affected by heavy rainfall, the New South Wales region where the Australian city of Sydney is located suffered the worst flooding in 60 years, and the government is still conducting emergency evacuation operations. According to re
On March 5, Brent crude oil futures stood at US$68 per barrel, the first time since January last year. Under the "extreme force" of international crude oil, the rise of chemical raw materials is "out of control".On March 4,1,4-butanediol was quoted a