خواندن بعدی
Below table lists the crystal structures of the pure metals at room temperature. In nearly every case the metal atoms pack into the simple crystal structures of face-centered cubic (FCC), body-centered cubic (BCC) or close-packed hexagonal (CPH or HCP) Some …
شاه به چه کسی ماموريت داد تا به صورت مخفیانه با شورویها وارد مذاکره شده و مقدمات تاسیس پنج کارخانهی …
Definitions of corrosion include: − NACE/ASTM G193: ‘Corrosion is the deterioration of a material, usually a metal, that results from a chemical or electrochemical reaction with its environment.’ − ISO 8044: ‘Physicochemical interaction (often of an electrochemical nature) between a …
Ballon d’Or 2023 was held two days ago and Lionel Messi won his 8th trophy. But how can it be related to metallurgy? Have you ever asked yourself that what this ball is made of? Is it really gold or …
