Boron is a solid black or silvery-gray color. Crystal boron has a black color, is second in hardness only to diamond, and is relatively brittle. Purity>95%Particle size: 0.08-5um About Boron Amorphous Boron: The powder of Boron is black or dark…
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…
Nickel has seen a rapid rise recently, with the price of nickel on the London Metal Exchange soaring to more than $100,000 a metric ton, up 250%, leading to a trading halt. According to Morgan Stanley analyst Adam Jonas, an increase in the price of o…
Bitcoin suddenly plummeted more than 15% , other cryptocurrencies also fell. According to data from CoinGecko, within 24 hours, Ethereum fell to $2,542.2, a drop of 3.53%; Dogecoin fell 2.93%; Solana coin fell 5.64%; Shiba Inu coin fell 3.7%; Terra c…
British car service company RAC said , t he average price of petrol in the UK has risen to 1.51 pounds (about 12.76 yuan) per liter, and diesel has risen to 1.55 pounds (about 13.09 yuan) per liter . The company official said that since last Thursday…
Engineers at the University of New South Wales have demonstrated a way to make 3D-printed plastics self-repair at room temperature using only light. Professor Cyril Boyle from the UnSW School of Chemical Engineering and his team Dr. Nathaniel Corriga…
If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
Under the premise of ensuring the quality of concrete, early strength agent can greatly shorten its final setting time, make it as early as possible, and then accelerate the turnover of template, save template dosage.…