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.…
U.S. refiners forecast strong first-quarter earnings as margins on gasoline and diesel sales improved, refining capacity fell sharply and crude supplies tightened due to the Russia-Ukraine war.Global refining capacity has declined amid the coronaviru…
A recent poll in Britain found that public support for sanctions against Russia is falling as fuel and prices rise. The proportion of people willing to accept higher fuel prices as a result of western sanctions against Russia fell 14 percentage poin…
According to statistics from China Chemical and Physical Power Supply Industry Association， China's export volume and export value of lithium-ion batteries have continued to increase. In 2021, China's exports of lithium-ion batteries were 3.428 billi…
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…