The Rhine, which flows through Switzerland, Germany, France and the Netherlands, is an important shipping channel in Europe, and tens of millions of tons of goods are transported between countries through the Rhine every year. The persistent drought…
Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently. Andersson held a joint press conference with visiting…
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…
Hafnium-nitride, a grayish powder, has cubic crystal structures. The melting point is 3310. Microhardness is 16GPa. It's fairly stable but easy to corrode by concentrated sulfuric and hydrofluoric acids. Purity: 99% Hafnium Nitride HfN Pulver:…
Spot market dynamics: February 28, the average price of 20mm three-level seismic rebar in 31 major cities 4868 yuan/ton, compared with the last trading day down 1 yuan/ton; Shanghai rebar's dollar-denominated index closed at 770.38, up 1.31%. To be s…
Aluminum nitride is synthesized by carbothermal reduction of alumina or by direct nitridation of aluminum. Aluminum nitride density is 3.26g/cm3. Although it does not melt, it decomposes above 2500°C at atmospheric pressure.Aluminum nitride is co…