خواندن بعدی
Before the spread of the Internet, everyone dealt with letters and stamps. One of the pastimes of that time was to separate the stamp from the envelope and keep it. I also had a stamp album when I was a …
دیروز در دانشگاه خواجه نصیر و در حضور دانشجویان علاقهمند، در مورد کدها و استانداردها صحبت کردم. از دوستان و بویژه خانم فیضآبادی، نایب دبیر انجمن علمی مهندسی مواد و متالورژی دانشگاه خواجه نصیر که امکان برگزاری این سمینار را …
MATERIALS SELECTION can be defined as follows: Process of selecting optimum candidate materials which meets the application requirements at the minimum cost. The optimum materials are generally have the lowest cost/life ratio. Cost of materials is very important consideration for …
From the readily available copper to the noble gases hiding in the air we breathe, elements have been hiding in …
