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Failure Characteristics of Rock-like Mortar Specimens with Arc-shaped Flaws under Freezing-thaw Cycles and Uniaxial Compression
《Journal of Wuhan University of Technology(Materials Science)》2024年第6期1461-1473,共13页LI Yong LI Kunpeng ZHANG Shaowang YIN Futong WANG Chen DAI Feng WANG Kai 
Funded by the National Key Research and Development Program of China(No.2023YFB260012602);the Shandong Provincial Natural Science Foundation(No.ZR2023ME208)。
To investigate the freeze-thaw(F-T)damages and failure characteristics of rock mass with arc-shaped joints in cold regions,three types of cement mortar specimens with different central angles and prefabricated arc-sha...
关键词：cement mortar material arc-shaped flaws freeze-thaw cycle failure pattern PFC2D 
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 
The missing hydrogen ion,Part-3:Science and the human flaws that compromise it
《Sports Medicine and Health Science》2024年第2期193-199,共7页Robert Robergs Bridgette O'Malley Sam Torrens 
The purpose of this research was to use a historical method and core principles from scientific philosophy to explain why mistakes were made in the development of the lactic acidosis construct.On a broader scope,this ...
关键词：SCIENCE Scientific philosophy ‘Normal’science ANOMALY Paradigm 
Shear band evolution and acoustic emission characteristics of sandstone containing non-persistent flaws
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第2期497-513,共17页Shuting Miao Peng-Zhi Pan Chuanqing Zhang Lei Huo 
supported by the National Natural Science Foundation of China(Grant No.52125903).
Direct shear tests were conducted on sandstone specimens under different constant normal stresses to study the coalescence of cracks between non-persistent flaws and the shear sliding characteristics of the shear-form...
关键词：Shear band evolution Acoustic emission(AE) Crack coalescence Normal stress Shear sliding 
Mechanical response and microscopic damage mechanism of pre-flawed sandstone subjected to monotonic and multilevel cyclic loading:A laboratory-scale investigation被引量：8
《International Journal of Mining Science and Technology》2023年第12期1487-1510,共24页Kesheng Li Shengqi Yang Chuanxiao Liu Yun Chen Guanglei Zhang Qing Ma 
This work was financially supported by the National Natural Science Foundation of China(Nos.42077231 and 51574156).
This study aims to investigate the mechanical response and acoustic emission(AE)characteristic of pre-flawed sandstone under both monotonic and multilevel constant-amplitude cyclic loads.Specifically,we explored how c...
关键词：SANDSTONE Pre-existing coplanar flaws Multilevel constant-amplitude cyclic loading Mechanical behavior Microscopic damage mechanism 
Effect of weak randomness flaws on security evaluation of practical quantum key distribution with distinguishable decoy states
《Chinese Physics B》2023年第5期254-260,共7页周雨 李宏伟 周淳 汪洋 陆宜飞 江木生 张晓旭 鲍皖苏 
the National Key Research and Development Program of China(Grant No.2020YFA0309702);NSAF(Grant No.U2130205);the National Natural Science Foundation of China(Grant Nos.62101597,61605248,and 61505261);the China Postdoctoral Science Foundation(Grant No.2021M691536);the Natural Science Foundation of Henan(Grant Nos.202300410534 and 202300410532);the Anhui Initiative in Quantum Information Technologies。
Quantum key distribution provides an unconditional secure key sharing method in theory,but the imperfect factors of practical devices will bring security vulnerabilities.In this paper,we characterize the imperfections...
关键词：weak randomness quantum key distribution distinguishable decoy state 
Experimental investigations on the cracking and mechanical responses of PMMA samples with two 3D embedded elliptic flaws under uniaxial compression被引量：2
《Geohazard Mechanics》2023年第1期77-85,共9页Xiaoping Zhou Yunding Long Wei Ye 
supported by National Natural Science Foundation of China(Grant Nos.51839009,41807251 and 51679017).
In this paper,the cracking and mechanical responses are studied for the Polymethylmethacrylate(PMMA)sample with two three-dimensional embedded coplanar elliptic flaws subjected to uniaxial compression.The experimental...
关键词：Two 3D embedded coplanar elliptic flaws Mechanical properties Cracking behaviors PMMA sample Uniaxial compression 
Numerical investigations of the failure mechanism evolution of rock-like disc specimens containing unfilled or filled flaws
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2023年第1期64-79,共16页Tian WANG Jian WANG Sheng JIANG Jiahe ZHANG 
This work is supported in part by the National Natural Science Foundation of China(No.51779084)。
The mechanical responses and ultimate failure patterns of rocks are associated with the failure mechanism evolution.In this study,smoothed particle hydrodynamics(SPH)method with the mixed-mode failure model is propose...
关键词：Smoothed particle hydrodynamics(SPH) Mixed-mode failure model Failure mechanism evolution Crack coalescence Filling distribution 
Flaws in the Field of Digital Security in the Workplace: Case of Companies in Burkina Faso
《Open Journal of Applied Sciences》2022年第12期2124-2134,共11页Yanogo Kiswendsida Jean Hermann Ouedraogo Tounwendyam Frederic 
Digital in the daily life of companies undeniably leads them to use services and applications of all kinds. Companies in their permanent quest for the exchange of information devote themselves to the use of the Intern...
关键词：Security Risks Digital Security Flaws Integrity of Critical Data 
Estimates of strength and cracking behaviors of pre-flawed granite specimens treated by chemical corrosion under triaxial compression tests被引量：1
《Frontiers of Earth Science》2022年第2期411-434,共24页Zhicong LI Richeng LIU Shuchen LI Hongwen JING Xiaozhao LI Liyuan YU 
This study has been partially funded by the National Key Research and Development Program of China,China(Grant No.2020YFA0711800);the National Natural Science Foundation of China(Grant Nos.51734009,51979272,and 52179118);Natural Science Foundation of Jiangsu Province,China(No.BK20211584).These supports are gratefully acknowledged.
Four types of granite specimens were prepared and treated by chemical corrosion for 5 and 30 days,which were then used to carry out triaxial compression tests under different confining pressuresσ_(3).Type A is the in...
关键词：GRANITES preexisting flaws chemical corrosion triaxial compression strength cracking behavior 
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