Results 51 to 60 of about 1,011 (100)

[Expert consensus on clinical randomized controlled trial design and evaluation methods for bone grafting or substitute materials in alveolar bone defects]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Liao X   +19 more
europepmc   +1 more source

[Application of different repair methods for defects after Mohs micrographic surgery for malignant tumors of the external nose]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Li H, Zheng M, Wang X, Qi H, Zhang Z.
europepmc   +1 more source

低气压对污秽绝缘子闪络电压的影响:试验数据、总论及一些推荐

open access: yesDianci bileiqi, 1989
总结了苏联近年来在高海拔山间的110~500kV不同结构的线路绝缘子自然积污情况;在大型低气压罐内对绝缘子进行人工污秽试验情况;高海拔现场试验情况;试验设备的比较.并提出高海拔修正系数的公式 ...
doaj  

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