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作品数：162被引量：456H指数：11
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相关机构：北京师范大学第四军医大学上海大学广东工业大学更多>>
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  • 期刊=Journal of Zhejiang University-Science A（Applied Physics & Engineerx
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Solid-liquid flow characteristics and sticking-force analysis of valve-core fitting clearance被引量：2
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2023年第12期1096-1105,共10页Jin-yuan QIAN Jiaxiang XU Fengping ZHONG Zhenhao LIN Tingfeng HUA Zhijiang JIN 
supported by the National Key Research and Development Program of China(No.2021YFB2011300);the National Natural Science Foundation of China(No.52175067).
External contamination particles or wear particles corroded by a valve body are mixed into the fluid. As a result, when the fluid enters the fitting clearance of the valve core, it can cause an increase in resistance ...
关键词：Solid-liquid flow characteristics Valve core Sticking force Euler-Euler model 
A novel stacking-based ensemble learning model for drilling efficiency prediction in earth-rock excavation被引量：2
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2022年第12期1027-1046,共20页Fei LV Jia YU Jun ZHANG Peng YU Da-wei TONG Bin-ping WU 
supported by the Yalong River Joint Funds of the National Natural Science Foundation of China(No.U1965207);the National Natural Science Foundation of China(Nos.51839007,51779169,and 52009090)。
Accurate prediction of drilling efficiency is critical for developing the earth-rock excavation schedule.The single machine learning(ML)prediction models usually suffer from problems including parameter sensitivity an...
关键词：Drilling efficiency PREDICTION Earth-rock excavation Stacking-based ensemble learning Improved cuckoo search optimization(ICSO)algorithm Comprehensive effects of various factors Hyper-parameter optimization 
Integrated phase unwrapping algorithm for the measurement of 3D shapes by Fourier transform profilometry
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2009年第7期1018-1028,共11页Shuang-qing WU Yin ZHANG San-yuan ZHANG Xiu-zi YE 
Project (Nos. 2007AA04Z1A5 and 2007AA01Z311) supported by the Hi-Tech Research and Development Program (863) of China
An integrated and reliable phase unwrapping algorithm is proposed based on residues and blocking-lines detection, closed contour extraction and quality map ordering for the measurement of 3D shapes by Fourier-transfor...
关键词：Fourier-transform profilometry （FTP） Phase unwrapping RESIDUES Blocking-lines Laplacian of Gaussian Modulation intensity 
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