In Xingang steel company, using imported manganese ore has been a important technology to improve preparationconcentrate level, products' quality and optimize charging 'ingredients and structure.
使用进口锰矿已成为新钢公司提高精料水平和产品质量、优化炉料结构的一项重要技术措施。
2
Objective: Platelet-rich concentrate (PRC) is an autologous growth factor preparation that is in routine use for orthopaedic and maxillofacial surgery.
目的：血小板富集浓缩（PRC）是矫形外科和颌面外科领域用来准备自体移植生长因子的常用方法。
3
To concentrate in class and listen more efforts should be made before the exam preparation.