Saudi Aramco, the world's largest oil company, released a briefing showing a profit of 181.64 billion Saudi riyals in the second quarter of 2022, once again setting a record for quarterly earnings after the company went public in 2019. Continue to ma…
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.…
Russian president demanded that exports of Russian gas to "unfriendly" countries be settled in rubles. The demand has raised concerns in Germany about possible supply disruptions and the impact on industry and households if utilities do not pay in ro…
Amorphous graphite is usually formed by contact metamorphism of anthracite coal seams with metamorphic agents (e.g. tectonic stress, magma, etc.).…