أرسل هذا في رسالة قصيرة: The use of municipal solid waste slag as a supplementary cementitious material and the effects of particle size on the properties of slag-derived concrete

  ______     ___      ______     ___      ______  
 /_   _//   / _ \\   /_   _//   / _ \\   /_   _// 
 `-| |,-   | / \ ||    | ||    | / \ ||    | ||   
   | ||    | \_/ ||   _| ||    | \_/ ||   _| ||   
   |_||     \___//   /__//      \___//   /__//    
   `-`'     `---`    `--`       `---`    `--`