ABRUPT

作品数：477被引量：912H指数：13
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相关机构：湖南大学南通市环境保护局南方医科大学南京师范大学更多>>
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Numerical study on micro-fracture mechanism of rock dynamic failureinduced by abrupt unloading under high in-situ stresses
《Theoretical & Applied Mechanics Letters》2024年第6期486-495,共10页Yuezong Yang Anye Li Zhushan Shao Kui Wu Wei Wei Wenhui Du Yujie Wang 
supported by the National Natural Science Foundation of China(Grant No.12302501);the China Postdoctoral Science Foun-dation(Grant No.2023MD744236);the Natural Science Basic Research Program of Shaanxi(Grant No.2024JC-YBQN-0061);the Postdoctoral Research Project of Shaanxi Province(Grant No.2023BSHEDZZ270);the Special Scientific Research Plan Project of Education Department of Shaanxi Provincial Government(Grant No.23JK0509);the Scientific Research Foundation for Excellent Returned Overseas Chinese Schol-ars funded by Shaanxi Provincial Government(Grant No.2023-021);the Innovation and Entrepreneurship Projects for College Students(Grant No.S202310703047).
Rock burst is a kind of severe engineering disaster resulted from dynamic fracture process of rocks.The macrofailure behaviors of rocks are primarily formed after experiencing the initiation,propagation,and coalescenc...
关键词：Rock burst MICRO-FRACTURE Dynamic failure Unloading effect 
Sahara’s surface transformation forced an abrupt hydroclimate decline and Neolithic culture transition in northern China
《The Innovation》2024年第1期70-79,共10页Yandong Hou Hao Long Sumiko Tsukamoto Zhengyao Lu Jie Chen Daniel EIbarra Toru Tamura Qiong Zhang Weiyi Sun Jingran Zhang Lei Gao Manfred Frechen Ji Shen 
This research was supported by the National Key Research and Development Program of China(no.2022YFF0801103);the Strategic Priority Research Program of the Chinese Academy of Sciences(no.XDB40010200);the National Natural Science Foundation of China(no.41977381);the Youth Innovation Promotion Association CAS(grant no.Y201959).The EC-Earth and LPJ-GUESS simulations were performed on the Swedish National Infrastructure for Computing at the National Super-computer Center,partially funded by the Swedish Research Council through grant agreement no.2018-05973.We thank Lili Liu for the laboratory work,Yingxiao Yu for the field sampling,and Yunkai Zhou for providing the meteorological data.
The remote forcing from land surface changes in the Sahara is hypothesized to play a pivotal role in modulating the intensity of the East Asian summer monsoon(EASM)through ocean-atmospheric teleconnections.This modula...
关键词：HOLOCENE MONSOON ABRUPT 
Do abrupt cryosphere events in High Mountain Asia indicate earlier tipping point than expected?被引量：2
《Advances in Climate Change Research》2023年第6期873-883,共11页Cun-De XIAO Tong ZHANG Tao CHE Zhi-Qiang WEI Tong-Hua WU Lei HUANG Ming-Hu DING Qiao LIU Dong-Hui SHANGGUAN Fei-Teng WANG Peng-Ling WANG Jie CHEN Chun-Hai XU Xin-Wu XU Da-He QIN 
supported by the National Key Research and Development Program of China (2022YFF0801903);the National Natural Science Foundation of China (41690145,42125604);the State Key Laboratory of Earth Surface Processes and Resource Ecology (2021-TS-06,2021-KF-06,and 2022-ZD-05);the Fundamental Research Funds for the Central Universities (2021NTST16);the Beijing Normal University Talent Introduction Project of China (12807-312232101);Basic Research Fund of CAMS (2023Z004).
Tipping points of about 16 elements have been identified in Earth system,yet cryospheric tipping point of specific Alpine region has not been studied.Here we analyzed three tipping elements(mountain glacier,snow cover...
关键词：Abrupt glacier change Thermakarst Snow depth Tipping point Early warning system 
Analysis of Key Physiological Characteristics of Portunus trituberculatus in Response to Short-Term Low Salinity Stress
《Journal of Ocean University of China》2023年第3期746-754,共9页ZHANG Xinni LIU Qi WANG Jiali GAO Gao NIU Mingming CHEN Lizhi WANG Huan WANG Fangfang WANG Chunlin MU Changkao 
supported by the National Key R&D Pro-gram of China(No.2020YFD0900203);the China Agricul-ture Research System of MOF and MARA;the K.C.Wong Magna Fund in Ningbo University。
Salinity is a significant environmental factor that can affect the survival,metamorphosis,growth and feeding of Portunus trituberculatus.In order to analyze the key physiological characteristics of P.trituberculatus i...
关键词：Portunus trituberculatus gradual/abrupt decline in salinity GILL osmotic pressure ion transport enzymes 
全球白垩纪陆地生物多样性下降了吗?被引量：1
《Science Bulletin》2023年第10期964-965,M0003,共3页徐星 
supported by the National Natural Science Foundation of China(42288201);Yunnan Revitalization Talent Support Program(202305AB350006)。
The Cretaceous,lasting from 145 to 66 million years ago,was a time period of major turnover in terrestrial and marine ecosystems when many modern groups of plants and animals appeared for the first time.The Cretaceous...
关键词：CRETACEOUS TERRESTRIAL ABRUPT 
Key emergency response technologies for abrupt air pollution accidents in China被引量：1
《Journal of Environmental Sciences》2023年第1期235-254,共20页Jun Duan Shushuai Mao Pinhua Xie Jianlei Lang Ang Li Jingjing Tong Min Qin Jin Xu Zeya Shen 
supported by the National Key Research and Development Program of China(No.2017YFC0209900);Beijing Nova Program from Beijing Municipal Science&Technology Commission(No.Z201100006820098);the Youth Science and Technology Talents Support Program(2020)by Anhui Association for Science and Technology(No.RCTJ202002)。
Abrupt air pollution accidents can endanger people’s health and destroy the local ecological environment.The appropriate emergency response can minimize the harmful effects of accidents and protect people’s lives an...
关键词：Air pollution accidents Emergency response Emergency monitoring Source estimation Pollutant dispersion simulation 
Global impacts of COVID-19 on sustainable ocean development被引量：1
《The Innovation》2022年第4期5-6,共2页Qutu Jiang Zhenci Xu Hongsheng Zhang 
supported by the National Natural Scierce Foundation ofChina(Grant Nos 42101249 and 42022061);the Hui Oi-Chow Trust Fund(gant#263690561.114525.30900.400.01)of the University of Hong Kong.
The abrupt outbreak of coronavirus disease in 2019,also known as COVID-19,has led to an unprecedented global public healthcrisis.Current studies have paid immense attention to the impacts of COVID-19 posed to the atmo...
关键词：OCEAN ABRUPT negligible 
SE Asian Cenozoic Larger Foraminifera:Taxonomic Questions,Apparent Radiation and Abrupt Extinctions被引量：2
《Journal of Earth Science》2022年第6期1378-1399,共22页Peter Lunt Xiwu Luan 
supported by the National Natural Science Foundation of China(No.92055211);the China-ASEAN Maritime Cooperation Fund Project(No.12120100500017001).
The Cenozoic larger foraminifera are important for biostratigraphy in SE Asia.This review examines the taxonomic inconsistencies of this group and especially the confusion over concepts of evolution,migration,radiatio...
关键词：larger foraminifera evolution BIOSTRATIGRAPHY extinction 
Numerical Research on Effect of Sudden Cross-Section Expansion on Detonation Initiation
《Journal of Thermal Science》2022年第5期1575-1590,共16页JIA Xiongbin ZHAO Ningbo MAXWELL Brian CHEN Xiang ZHENG Hongtao 
the Fundamental Research Funds for the Central Universities(Grant No.HEUCFJ170304,Grant No.HEUCFP201719)for supporting this work。
Numerical simulation has been performed to investigate the DDT(Deflagration-to-Detonation Transition)mechanism by solving fully compressible reactive flow for hydrogen/air mixtures in tube with sudden cross-section ex...
关键词：deflagration to detonation transition numerical simulation cross-section abrupt tube turbulent mixing flame acceleration 
Combining gradual and abrupt analysis to detect variation of vegetation greenness on the loess areas of China
《Frontiers of Earth Science》2022年第2期368-380,共13页Panxing HE Zongjiu SUN Dongxiang XU Huixia LIU Rui YAO Jun MA 
This research was funded by the National Natural Science Foundation of China(Grant Nos.31760694 and 41601181).
The annual peak growth and trend shift of vegetation are critical in characterizing the carbon sequestration capacity of ecosystems.As the well-known area with the fastest vegetation growth in the world,the Loess Plat...
关键词：vegetation greenness gradual trend BREAKPOINT BFAST algorithm the Loess Plateau area 
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