خواندن بعدی
Traditional Metal Identification Techniques
کانی آویسنیت (Avicennite) که نوعی اکسید تالیم است در سال 1958 میلادی کشف شد و به افتخار دانشمند ایرانی، پورسینا …
Have you just graduated from university? Have you just started working in an engineering company? Whichever it is… I recommend …
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 …
