Tantalum carbide (TaC) is an extremely hard (Mohs hardness 9-10) refractory ceramic material commercially used in cutting tool tips. It is a heavy brown powder, usually processed by sintering, and is an important cermet material.…
Tantalum has excellent chemical properties and high corrosion resistance, and does not react to hydrochloric acid, concentrated nitric acid and…
The biggest immediate challenge for the EU will be replenishing its depleted gas inventories. While the EU could still increase LNG imports from countries such as the US, such purchases would be more expensive.Refilling natural gas storage space to h…
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…
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…