What is Amorphous Boron Powder?Amorphous Boron Powder is reasonably active, unappetizing, unsmelling, secure in air and at room temperature, heated up to 300 ℃, oxidized, as well as burned when getting to 700 ℃. The fire is red when burning, and the…
Is boron amorphous or crystalline?Boron can be prepared in several crystalline and amorphous forms. The well-known forms of crystallization are α-rhombohedral (α-R), β-rhombohedral (β-R) and β-tetragonal (β-T). In spec…
The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…
Foam concrete wall casting methods can be divided into three types: removable formwork casting, formwork-free casting and sandwich wall casting. Among these three types of casting methods, the mold-free casting method is widely used.…
According to data statistics in September, black commodity prices as a whole show the first inhibition followed by upward trend, September 21 the Federal Reserve interest rate policy landing is an important time node. On the one hand, due to the impa…
A tanker carrying 650,000 barrels of Venezuelan crude oil is reportedly bound for Europe, the first time Venezuela has exported crude to Europe in the past two years under US sanctions. It is analyzed that the U.S. is making up for the European ener…