Boron nitride is a crystal composed of nitrogen atoms and boron atoms.The chemical composition is43.6%boron and56.4%nitrogen,with four different variants:hexagonal boron nitride,rhombohedral boron nitride,cubic nitride Boron,and wurtzite boron nitrid…
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.…
Nano silicon powder is a new generation of wide bandgap energy semiconductor optoelectronic semiconductor material, and it is also a high-power light source material.…
As of May 11, local time, the U.S. stock market closed, the three major indexes closed down. Apple fell 5.18 per cent, wiping $129.6bn off its market capitalisation overnight to $2.37tn. Saudi Aramco overtook Apple (AAPL.US) to become the world's mos…
The rise in silicon-manganese prices will also affect the rise in print line for slitting Since the beginning of this year, driven by the expectation of steady growth, most varieties of the b…
Elon Musk, silicon Valley's "Iron Man" and the world's richest man, is set to head social media giant Twitter, following in the footsteps of car startup Tesla And Space exploration company spacex.…
The chemical formula TiC has a molecular weight of 59.89.Grey powder,usually used for making cemented carbide,also used as electrode and abrasive of arc lamp.…
Concrete waterproofing agent can significantly improve the impermeability and waterproofing of concrete, and the impermeability grade can reach P25 or higher. It is especially suitable for concrete for bungalow roof, large volume waterproof concrete,…
Official French data shows that for three consecutive days, there were more than 140,000 new confirmed cases in a single day in France: 145,560 new cases on the 23rd, 148,635 new cases on the 24th, and 143,571 new cases on the 25th. The daily average…
The closure of airspace during the Conflict between Russia and Ukraine has had a serious impact on the aviation industry, according to an analysis by the International Air Transport Association (IATA) released on Tuesday. Flights had to be diverted o…
Since 2021, the prices of various domestic chemical products have continued to skyrocket. Some chemical products have been in full production and sales, low inventories, and shortages of stocks. This crazy situation seems unprecedented. On the 22nd,…