The effect of Sc on precipitation hardening of AlSi6Mg was studied.Zr was previously reported that it increased the effectiveness of Sc in wrought aluminum in m
The effects of Cr and Cr/Mn combined additions on the semi-solid microstructure of wrought Al-Mg-Si alloys are investigated.In the Cr-added alloy,the Al_7Cr com
Microstructure development is well accepted to have a major effect on mechanical properties during its services. One of the most interesting ways to improve mec
目的 通过对新型农村合作医疗(新农合)单病种管理实施临床路径应用的观察来评价临床路径的价值与作用.方法 根据选择病种的原则我们选择进行阑尾炎、腹股沟疝手术治疗的患者各60例,同一病种患者按实行临床路径单病种管理与否分为试验组和对照组各30例.对每一病种的2组患者进行平均住院日、平均住院费用、患者满意度等几个方面的比较.结果 阑尾炎患者实施了临床路径管理后,试验组平均住院日比对照组缩短了约2.5 d