Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…
OPEC+ is likely to stick to its plan for a small increase in oil tungsten powder will continue to be influenced by the oil supply shortage. With metals, direct comparisons based on strength do not work. Because there is no single, univers…
High thermal and chemical stability makes Niobium-nitride a great superconducting thin films material. You can prepare it by mixing nitrogen with argon in a gas mixture. Purity: 99%Particle Size 5um About Niobium Nitride NbN Powder : Niob…
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…