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Real-time monitoring and analysis of hydraulic fracturing in surface well using microseismic technology:Case insights and methodological advances
《International Journal of Mining Science and Technology》2025年第4期619-638,共20页Yanan Qian Ting Liu Cheng Zhai Hongda Wen Yuebing Zhang Menghao Zheng Hexiang Xu Dongyong Xing Xinke Gan 
supported by Yunlong Lake Laboratory of Deep Underground Science and Engineering Project(No.104024008);the National Natural Science Foundation of China(Nos.52274241 and 52474261);the Natural Science Foundation of Jiangsu Province(No.BK20240207).
Through a case analysis,this study examines the spatiotemporal evolution of microseismic(MS)events,energy characteristics,volumetric features,and fracture network development in surface well hydraulic fracturing.A tot...
关键词：Hydraulic fracturing Microseismic Source location Energy scanning Fracture network 
Direct observation of ultrafast magnetization dynamics in Co/Ni bit patterned media by time-resolved scanning Kerr microscopy
《Chinese Physics B》2025年第4期579-583,共5页Wei Zhang Wei He Qin-Li Lv Jian-Wang Cai Xiang-Qun Zhang Zhao-Hua Cheng 
Project supported by the National Key Research and Development Program of China(Grant No.2022YFA1403302);the National Natural Science Foundation of China(Grant Nos.52031015,U22A20115,and 12104030);the Natural Science Foundation of Zhejiang Province,China(Grant No.LZ25A040007);the Natural Science Foundation of Beijing(Grant No.1252026).
Bit patterned recording(BPR)has attracted much attention due to its promising potential in achieving high densities in magnetic storage devices.The materials with strong perpendicular magnetic anisotropy(PMA)are alway...
关键词：ultrafast spin dynamics magneto-optical Kerr effect micromagnetic simulations 
Design and testing research of LiDAR for detecting atmospheric turbulence
《Optoelectronics Letters》2025年第3期172-176,共5页QIU Duoyang LI Xianyang YANG Hao ZHU Xiaomeng FANG Zhiyuan XU Xiang 
jointly funded by the National Science Foundation of China(No.42405069);the University Natural Sciences Research Project of Anhui Province(Nos.2023AH052201 and 2023AH052184);the 2023 Talent Research Fund Project of Hefei University(No.23RC01);the Technical Development Project of Hefei University(Nos.902/22050124128,902/22050124148 and 902/22050124250)。
Atmospheric turbulence is an important parameter affecting laser atmospheric transmission.This paper reports on a self-developed atmospheric turbulence detection Li DAR system(scanning differential image motion Li DAR...
关键词：li dar designing simulating optical system LIDAR scanning differential image motion lidar differential image motion laser atmospheric transmissionthis atmospheric turbulence atmospheric turbulence detection li darthe 
Improvement and correction for transverse emittance diagnosis based on Q-scanning techniques
《Nuclear Science and Techniques》2025年第3期1-11,共11页Yi-Feng Zeng Hao Hu Tong-Ning Hu 
supported by the National Natural Science Foundation of China(Nos.12341501 and 11905074)。
Precise transverse emittance assessment in electron beams is crucial for advancing high-brightness beam injectors.As opposed to intricate methodologies that use specialized devices,quadrupole focusing strength scannin...
关键词：Beam diagnostics Transverse emittance Q-scanning technique Beam injector 
Evaluation of Integer Programming Solvers to Improve the Efficiency of Individual Work Planning
《Open Journal of Modelling and Simulation》2025年第1期51-64,共14页Keiichi Takahashi 
This study proposes a novel approach to optimizing individual work schedules for book digitization using mixed-integer programming (MIP). By leveraging the power of MIP solvers, we aimed to minimize the overall digiti...
关键词：Mixed Integer Programming Scheduling Optimization Work Planning Book Scanning Gantt Chart 
An investigation of single-phased metallic solidification process using high-temperature confocal laser scanning microscope combined with differential scanning colorimetry
《Journal of Iron and Steel Research International》2025年第2期437-451,共15页Xing-zhi Zhou De-yong Wang Tian-peng Qu Dong Hou Shao-yan Hu Jun Tian Xiang-long Li Lei Fan Zhi-xiao Zhang 
supported by the National Natural Science Foundation of China(Grant Nos.52274339,52174321,52074186,and 52104337);Natural Science Foundation of Jiangsu Province(Grant No.BK20231317);China Baowu Low-Carbon Metallurgy Innovation Fund(Grant No.BWLCF202108).
To investigate the nucleation behavior during the single-phased metallic solidification process,the commercial ultrapure ferritic stainless steels with no(Initial steel)and various melt treatments(R1,MR1,Y2,MY1,and M1...
关键词：NUCLEATION Metallic solidification process Differential scanning colorimetry High-temperature confocal laser scanning microscope Interfacial wetting-lattice mismatch heterogeneous nucleation model 
Continuous Rapid-Beam-Scanning and Circular-Polarized Leaky⁃Wave Antenna Based on Meandering-SIW with Defected Ground Structures
《Transactions of Nanjing University of Aeronautics and Astronautics》2025年第1期80-89,共10页RUAN Yizheng NIU Zhenyi CHEN Weikang ZHAO Yongjiu PAN Shilong 
A compact high-scanning-rate circular-polarized leaky-wave antenna(LWA)based on a meandering substrate integrated waveguide(SIW)with defected ground structures(DGSs)is presented.The meandering-SIW design is employed t...
关键词：leaky-wave antenna(LWA) scanning rate circular polarization open stopband defected ground structure(DGS) 
Segregation behaviors in{101^(-)1}compressive twin boundaries of Mg-RE alloy under deformation at room temperature
《Journal of Magnesium and Alloys》2025年第1期330-337,共8页Yujie Cui Lili Guo Yunwei Gui Kenta Aoyagi Haotian Tong Qinqin Wei Fangzhou Liu Yuichiro Hayasaka Akihiko Chiba 
support from Interdisciplinary Research Project for Young Teachers of USTB Fundamental Research Funds for the Central Universities(Grant no.FRF-IDRY-23-030).
Solute atoms and precipitates significantly influence the mechanical properties of Mg alloys.Previous studies have mainly focused on the segregation behaviors of Mg alloys after annealing.In this study,we investigated...
关键词：Magnesium alloys Compression test Scanning/transmission electron microscopy(STEM) SEGREGATION Twin boundaries 
Multi-conditioned controlled growth of CoBi nanostructures on SrTiO_(3)
《Frontiers of physics》2024年第6期107-113,共7页Desheng Cai Yumin Xia Pengju Li Kun Xie Yuzhou Liu Yitong Gu Gan Yu Changgan Zeng Ping Cui Shengyong Qin 
supported by the National Natural Science Foundation of China(Nos.12374196,92165201,and 11634011);the Innovation Program for Quantum Science and Technology(No.2021ZD0302800);the CAS Project for Young Scientists in Basic Research(Grant No.YSBR-046);the Fundamental Research Funds for the Central Universities(Grant Nos.WK3510000006and WK3430000003);Anhui Initiative in Quantum Information Technologies(No.AHY170000).
Cobalt pnictides have been theoretically proposed to be attractive candi-dates for high-temperature superconductors.Additionally,monolayered CoX(X=As,Sb,Bi)on SrTiO_(3) systems present a potential new platform for rea...
关键词：CoBi/SrTiO_(3) molecular beam epitaxy scanning tunneling microscopy scanningtunneling spectroscopy NANOSTRUCTURE 
Extension of Hannan’s Limit: Evaluation and Enhancement of Beam-Scanning Performance of Planar Phased Arrays
《Electromagnetic Science》2024年第4期50-63,共14页Zitong Wang Qi Wu 
National Natural Science Foundation of China(Grant No.U2141230).
For a large-scale array,its realized gain is always smaller than the summation of the element gains in isolation,which is the well-known gain paradox proposed by Hannan.To explain the paradox,embedded element efficien...
关键词：Beam scanning DECOUPLING Embedded element efficiency Hannan’s limit Large-scale array antenna 
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