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Fracture behavior of sandstone with partial filling flaw under mixed-mode loading: Three-point bending tests and discrete element method: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期291-308,共18页Dongdong Ma Yu Wu Xiao Ma Xunjian Hu Wenbao Dong Decheng Li Lingyu Li; supported by the National Key R&D Program of China(Grant No.2022YFE0128300).; The fracture behavior of natural fracture in the geological reservoir subjected to filling property,affects the crack initiation and propagation under stress perturbation.Partial filling flaws were intermediate betwee...; 关键词：Partial filling flaw Mixed-mode loading Semi-circular three-point bending Acoustic emission(AE) B-VALUE

MAPOD Analysis in Eddy Current Testing of Flaws Considering Multiple Response Signals and Multiple Flaw Parameters: 《Journal of Dynamics, Monitoring and Diagnostics》2024年第3期180-189,共10页Shixi Yang Liping Zhang Xiwen Gu Weidi Huang; supported by the Key Research and Development Project of Zhejiang Province(Grant No.2023C01248,2023C01069)and the National Natural Science Foundation of China(Grant No.52375135,52305137).; The reliability of the eddy current testing (ECT) in flaw detection is quantitatively evaluated by theprobability of detection (POD). Precise and efficient modeling of POD gives direction for the implement of ECTon si...; 关键词：Eddy current testing finite element model multiple response signals probability of detection

Missed Pancreaticobiliary Malignancy: The Flaw of the Expedited Cholecystectomy: 《Surgical Science》2024年第7期451-464,共14页Dylan S. Goto Larissa Fujii-Lau Linda L. Wong; Background: Early cholecystectomy has been recommended for patients with acute cholecystitis and gallstone pancreatitis. However, patients with pancreaticobiliary malignancy may present acutely with similar symptoms. ...; 关键词：CHOLECYSTECTOMY Periampullary Malignancy Pancreas Malignancy PANCREATICODUODENECTOMY

Damage effect and progressive failure mechanism of sandstone considering different flaw angles under dynamic loading: 《Rock Mechanics Bulletin》2024年第1期81-96,共16页Dongliang Ji Hui Cheng Hongbao Zhao; support for this work was provided by the Outstanding Scholar of Sun Yuezaki(800015Z1179);the National Natural Science Foundation of China(52204105);S&T Program of Hebei(Grant No.215676145H,21567606H).; In many engineering applications,it is essential to have information about rocks that inherently contain preexisting flaws under dynamic loading conditions.Dynamic impact tests are conducted on samples with varying fl...; 关键词：Dynamic loading Damage evolution Constitutive model Flaw angle Energy dissipation

Loss-tolerant measurement device independent quantum key distribution with reference frame misalignment被引量：1: 《Chinese Optics Letters》2022年第9期61-67,共7页Jipeng Wang Zhenhua Li Zhongqi Sun Tianqi Dou Wenxiu Qu Fen Zhou Yanxin Han Yuqing Huang Haiqiang Ma; supported by the State Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications)(No.IPOC2021ZT10);the National Natural Science Foundation of China(No.11904333);the Fundamental Research Funds for the Central Universities(No.2019XD-A02)。; Reference frame independent and measurement device independent quantum key distribution(RFI-MDI-QKD)has the advantages of being immune to detector side loopholes and misalignment of the reference frame.However,several...; 关键词：quantum key distribution source flaw measurement device independence

Horoscopes: 《城市漫步（上海版、英文）》2022年第5期44-44,共1页; Taurus 4.21-5.21 Taureans,unsurprisingly,aren't known for their patience.Be aware that your fuse will be extra short in May.Confidence is key,yes,but a god complex can be off-putting.Try to come up with some harmless ...; 关键词：YOURSELF CONFIDENCE FLAW

Cracking behaviors and strength of rock-like samples with steps of different geometries under shear stress: 《Journal of Mountain Science》2021年第5期1352-1370,共19页LE Hui-lin WEI Ji-hong SUN Shao-rui ZHANG Chu-chu; National Natural Science Foundation of China(No.42007256 and 41672258);the Fundamental Research Funds for the Central Universities(B210201002)。; Steps are distinctive features for estimating the movement of the upper and lower block of faults.However,studies about the influence of steps as a special type of discontinuity on cracking behaviors and strength of r...; 关键词：Step Preexisting flaw Direct shear test Crack behavior Shear stress Numerical test

Fracture Mechanism of the Formation with a Natural Flaw Under a Single-Tooth Cutting: 《Acta Mechanica Solida Sinica》2020年第5期719-730,共12页Siqi Li Wei Li Tie Yan Fuqing Bi Huan Zhao Xin Ling; The support of National Natural Science Foundation of China(No.51704074);Youth Science Foundation of Heilongjiang Province(No.QC2018049)is gratefully acknowledged;The work is also supported by Talent Cultivation Foundation(Nos.SCXHB201703,ts26180119,td26180141);Youth Science Foundation(No.2019QNL-07)of Northeast Petroleum University.; The process of a single-tooth cutting formation is taken as the representative to analyze the fracture mechanism of the formation with natural flaws under the PDC drill bit.The modeling of the stress field distributio...; 关键词：Single-tooth cutting Stress field Stress intensity factor Initiation angle Extended finite element

Mechanical properties and failure behavior of rock with different flaw inclinations under coupled static and dynamic loads被引量：24: 《Journal of Central South University》2020年第10期2945-2958,共14页XIAO Peng LI Di-yuan ZHAO Guo-yan ZHU Quan-qi LIU Huan-xin ZHANG Chun-shun; Project(2019JJ20028)supported by the Outstanding Youth Science Foundations of Hunan Province of China;Project(51774321)supported by the National Natural Science Foundation of China;Project(2018YFC0604606)supported by the State Key Research Development Program of China。; The deep fissured rock mass is affected by coupled effects of initial ground stress and external dynamic disturbance.In order to study the effect of internal flaw on pre-stressed rock mechanical responses and failure ...; 关键词：split Hopkinson pressure bar(SHPB)system digital image correlation(DIC) coupled static and dynamic loads FLAW crack propagation

Euler Characteristic Scheme of Globally Searching for Flaws in Surface Modeling: 《Advances in Pure Mathematics》2020年第2期57-85,共29页Yukun Liu Yong Yue Dongwen Zhang Chunhua Li; This paper presents a new scheme of flaw searching in surface modeling based on Euler Characteristic. This scheme can be applied to surface construction or reconstruction in computer. It is referred to as Euler Accomp...; 关键词：ALGEBRAIC Topology EULER Characteristic FLAW SEARCHING Surface Modeling Topologic CONSISTENCE

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