空间曲线的副法线曲面-JournalofNortheasternUniversity-东北大学
In this study, we used15N natural abundance method to study the N uptake strategy of the four main conifers used for afforestation in Northeastern China, specificallyPinus koraiensis,Pinus sylvestris,Picea koraiensis, andLarix olgensis. We compared the results with our previous in situ labelling stud...
( Sino-Dutch Biomedical and Information Engineering School, Northeastern Uni ersity , Shenyang 110819, China. Corresponding author : WA NG Chun-w u, E-mail: wang chunwu @ 163. com) - Abstract: A no el algorithm was presented to extract heart rate from ballistocardiogram ( BCG) signals ...
School of Mechanical Engineering & Automation, Northeastern University, Shenyang 110819, China;2. School of Mechanical Engineering, Shenyang Ligong University, Shenyang 110159, China; 3. Traffic andMechanical Engineering Institute, Shenyang Jianzhu University, Shenyang 110168, China. Corresponding author:WANG...
关键词:机械系统;振动特性;传递路径;路径贡献量;插入损失中图分类号:O484 文献标志码:A 文章编号:1005-3026(2015)02-0250-05PathInsertionLossAnalysisofVibrationTransferPathSystemsZHAOWei,ZHOUNa,ZHANGYimin(SchoolofMechanicalEngineering&Automation,NortheasternUniversity,Shenyang110819,China.Correspondingauthor:ZHAOWei,...