When driving an electric vehicle, I am most afraid of the situation where the battery is low, and there is no place to charge. A charging robot developed by Volkswagen AG may solve this problem and promote the promotion of electric vehicles.…
Amorphous boron nitride (a-BN) layers are used in some semiconductor devices, e.g., MISFETs. They can be prepared by the chemical decomposition of trichloro borazine with cesium or by thermal chemical vapor deposition methods. Thermal CVD can also be...…
uring the process of friction, the surface of the friction pair is formed into a self-lubricating and self-repairing film, which significantly improves the anti-friction performance of the friction pair. Nano copper powder is a potential hig…
What is Bi2S3?Bismuth(III) sulfide (Bi 2S 3) is a bismuth and sulfur chemical compound. It occurs in nature as the mineral bismuthinite. Bismuth sulfide belongs to group 15 post-transition metal tri chalcogenides. Two irreversible and exothermic tran...…
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