Long term in vitro immersion in Hank's solution and bending test were used to evaluate the degradability and the mechanical integrity of the alloy. The results revealed that the degradation rate of the bone-plate increased in the first 7 days and then decreased with the prolonged immersion time...
the outstanding price in first term in Telecommunications Cup Resume Competition Self Assessment self-confidence, industry, and enthusiasm as well as great passion for education 第二篇:“学英语爱英语”英文演讲比赛 “魅力英语”背诵大赛策划书 随着国际竞争的日益增强,英语口语已成为衡量综合型人才的一项重要...