خواندن بعدی
From the time that ASME’s founders, Henry R. Worthington, Alexander Lyman Holley, and John Edson Sweet, gathered in New York City for the first time in 1880 until today, ASME standards have changed over the years to include new construction …
In choosing materials of construction, we have to compromise between various factors. Use the acronym SHAMROCK to summarize and remember some of them. S = Safety: what are the consequences of failure? If they are serious, a more resistant material …
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 …
یک ماهی هست پس از پایان کار، قدمزنان خودم را به اول خط بی آر تی میرسانم و روی یکی …
