来源:American Journal of Agricultural and Biological Sciences , 2010
作者:S. H. Abdollahpour;Lorraine S. Puckhaber;M. Moghaddam;等
关键词:Disk opener;force;...
使用许可:Unknown
2 Frictional Properties of Self-Ligating Brackets and Low-Friction Ligatures | Science Publications [期刊论文]
来源:Current Research in Dentistry , 2012
作者:Andrea Scribante;Federico Rosti;Maria F. Sfondrini;等
关键词:Self-ligating brackets;slide ligatures;...
使用许可:Unknown
来源:American Journal of Applied Sciences , 2006
作者:Chang H. Zou, Kang Cheng
关键词:Electromagnetic;quantum;...
使用许可:Unknown