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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 …
کانی سیلیکات کلسیم و کربنات کلسیم آبدار در سال 1957میلادی کشف و به افتخار دانشمند ایرانی، ابوریحان بیرونی به نام …
When I started working at an engineering company, I fully understood that performance of an engineer depends on myriad factors. At the same time, I saw these two images in one of Joseph Edward Shigley’s books and saved them. Influences …
کانی آویسنیت (Avicennite) که نوعی اکسید تالیم است در سال 1958 میلادی کشف شد و به افتخار دانشمند ایرانی، پورسینا …
