Friction is an unavoidable natural phenomenon. The fuel used to reduce the friction and wear of mechanical parts each year accounts for 1/3 of the total fuel consumption. Besides, friction can cause unproductive loss of mechanical energy, sh…
Hafnium boreide grey is also known as Sandcrystallines, metallicluster and Hafnium boreide. It melts at 3250°C. This material has amazing electrical and chemical characteristics. It's highly conductive. Purity>99.5% Particle Size: 3 um Hafnium Borid...…
The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…
Chile's government is considering phasing in a proposed ban on glacial mining to limit projects high in the Andes by some big copper companies. Chile's constitutional assembly has approved a proposal to ban mining in glaciers, protected areas, and ar…
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