Silver nanoparticles, also known as black powder, is a mixture of nano-materials, elemental metals, and high surface activity. It has a high surface energy and excellent catalytic performance. Purity: 99%Particle size: 50nm. 100nm. 500nm The follow…
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…
The world's coal bosses and oil barons are among the biggest winners in 2022, as the fortunes of many tech giants have tumbled in the U.S. stock market. India's most powerful coal boss, Gautam Adani, has a net worth of $146.8 billion, pushing him pas…
A new type of superplasticizer polyoxyethylene-ether macromonomer is known as concrete water reduction. This superplasticizer uses polyoxyethylene ether macromonomer as well as unsaturated and sulfonic acids group monomer through radical polymerizati…