UNDERESTIMATION

作品数：19被引量：42H指数：4
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相关作者：程莹张华华谈明洪更多>>
相关机构：伊利诺伊大学中国科学院四川大学更多>>
相关期刊：《Chinese Medical Journal》《Advances in Aerodynamics》《Journal of Environmental Sciences》《International Journal of Population Studies》更多>>
相关基金：国家自然科学基金中国博士后科学基金更多>>
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Mental health disparities in people living with human immunodeficiency virus:A cross-sectional study on physician-patient concordance and treatment regimens被引量：1
《Chinese Medical Journal》2024年第18期2223-2232,共10页Jinchuan Shi Zhongdong Zhang Junyan Zhang Yishu Zhang Jiating Qiu Fang Liu Daoyuan Song Yanfang Ma Lianmei Zhong Hongxing Wang Xiaolei Liu 
supported by grants from the National Natural Science Foundation of China(No.82160272);Yunnan Science and Technology Leading Talents Project,Young and Middle-aged Academic and Technical Leaders Reserve Talents Project(No.202405AC350046);the Research Program of Yunnan Science and Technology Department(No.202101AT070151);the Project of Technology Innovation Team of Kunming Medical University(No.CXTD202104 to X.L)
Background:Human immunodeficiency virus(HIV)/acquired immunodeficiency syndrome(AIDS)can profoundly affect the mental health of the people living with HIV(PLWH),with higher rates of anxiety,depression,and sleep distur...
关键词：Human immunodeficiency virus DEPRESSION ANXIETY Mental health OVERESTIMATION UNDERESTIMATION 
Mesh‑free semi‑quantitative variance underestimation elimination method in Monte Caro algorithm
《Nuclear Science and Techniques》2023年第1期157-171,共15页Peng‑Fei Shen Xiao‑Dong Huo Ze‑Guang Li Zeng Shao Hai‑Feng Yang Peng Zhang Kan Wang 
supported by China Nuclear Power Engineering Co.,Ltd.Scientific Research Project(No.KY22104);the fellowship of China Postdoctoral Science Foundation(No.2022M721793).
The inter-cycle correlation of fission source distributions(FSDs)in the Monte Carlo power iteration process results in variance underestimation of tallied physical quantities,especially in large local tallies.This stu...
关键词：Monte Carlo algorithm Power iteration process Inter-cycle correlation Variance underestimation Sliced Wasserstein distance 
Predicting running time of aerodynamic jobs in HPC system by combining supervised and unsupervised learning method
《Advances in Aerodynamics》2021年第1期380-397,共18页Hao Wang Yi-Qin Dai Jie Yu Yong Dong 
supported by the National Numerical Windtunnel project,project number 2018-ZT6B13.
Improving resource utilization is an important goal of high-performance computing systems of supercomputing centers.To meet this goal,the job scheduler of high-performance computing systems often uses backfilling sche...
关键词：High-performance computing Job scheduling Job running time prediction Machine learning Prediction accuracy Underestimation rate 
Exploring the percentage of COVID-19 cases reported in the community in Canada and associated case fatality ratios被引量：1
《Infectious Disease Modelling》2021年第1期123-132,共10页Brendan P.Dougherty Ben A.Smith Carolee A.Carson Nicholas H.Ogden 
This work was funded by the Public Health Agency of Canada.
While surveillance can identify changes in COVID-19 transmission patterns over time and space,sections of the population at risk,and the efficacy of public health measures,reported cases of COVID-19 are generally unde...
关键词：SARS-CoV-2 UNDERESTIMATION Coronavirus disease Long term care facilities Case fatality ratio 
Oral contrast agents lead to underestimation of dose calculation in volumetric-modulated arc therapy planning for pelvic irradiation
《Chinese Medical Journal》2020年第17期2061-2070,共10页Hao Jing Yuan Tian Yu Tang Shu-Lian Wang Jing Jin Yong-Wen Song Yue-Ping Liu Hui Fang Bo Chen Shu-Nan Qi Yuan Tang Ning-Ning Lu Yong Yang Ning Li Ye-Xiong Li 
This work was supported by the grants from the National Key Projects of Research and Development of China(No.2016YFC0904600);the Beijing Municipal Science&Technology Commission of China(No.Z171100001017116)。
Background:The effects of oral contrast agents(OCAs)on dosimetry have not been studied in detail.Therefore,this study aimed to examine the influence of OCAs on dose calculation in volumetric-modulated arc therapy plan...
关键词：Oral contrast agents Simulation DOSIMETRY Organ at risk Volumetric-modulated arc therapy 
Self-reported risk of stroke and factors associated with underestimation of stroke risk among older adults with atrial fibrillation: the SAGE-AF study被引量：3
《Journal of Geriatric Cardiology》2020年第8期502-509,共8页Jordy Mehawej Jane Saczynski Jerry H.Gurwitz Hawa O.Abu Benita A.Bamgbade Wei-Jia WANG Tenes Paul Katherine Trymbulak Connor Saleeba Zi-Yue WANG Catarina I.Kiefe Robert J.Goldberg David D.Mc Manus 
supported by the National Heart,Lung,and Blood Institute(R01HL126911);supported by the NIH Training Grant entitled Transdisciplinary Training in Cardiovascular Research 5T32HL120823-05;supported by the National Heart,Lung,and Blood Institute(R01HL137734&R01HL 137794&R01HL13660&R01HL141434&U54HL143541)。
Background Though engaging patients with atrial fibrillation(AF) in understanding their stroke risk is encouraged by guidelines, little is known regarding AF patients' perceived stroke risk or its relationship with or...
关键词：ANTICOAGULATION Atrial fibrillation STROKE 
Underestimation of the Warming Trend over the Tibetan Plateau during 1998–2013 by Global Land Data Assimilation Systems and Atmospheric Reanalyses被引量：3
《Journal of Meteorological Research》2020年第1期88-100,共13页Peng JI Xing YUAN 
Supported by the National Key Research and Development Program of China(2018YFA0606002);National Natural Science Foundation of China(41875105 and 91547103);Startup Fund for Introduced Talents of Nanjing University of Information Science&Technology.
Accurate surface air temperature(T2m)data are key to investigating eco-hydrological responses to global warming.Because of sparse in-situ observations,T2m datasets from atmospheric reanalysis or multi-source observati...
关键词：land data assimilation system(LDAS) REANALYSIS datasets WRF dynamical DOWNSCALING Tibetan Plateau GLOBAL warming SLOWDOWN 
Oil-gas reservoir lithofacies stochastic modeling based on one- to three-dimensional Markov chains被引量：2
《Journal of Central South University》2018年第6期1399-1408,共10页WANG Zhi-zhong HUANG Xiang LIANGYu-ru 
Project（2016YFB0503601） supported by the National Key Research and Development Program of China; Project（41730105） supported by the National Natural Science Foundation of China
Stochastic modeling techniques have been widely applied to oil-gas reservoir lithofacies. Markov chain simulation~ however~ is still under development~ mainly because of the difficulties in reasonably defining conditi...
关键词：independence assumption Markov chain reservoir lithofacies small-class underestimation transitionprobability 
Underestimation of phosphorus fraction change in the supernatant after phosphorus adsorption onto iron oxides and iron oxide–natural organic matter complexes被引量：8
《Journal of Environmental Sciences》2017年第5期197-205,共9页Jinlong Yan Tao Jiang Ying Yao Jun Wang Yuanli Cai Nelson W.Green Shiqiang Wei 
supported by the National Natural Science Foundation of China(nos.41171198,41403079);the Chongqing Research Program of Basic Research and Frontier Technology(no.cstc2015jcyj A20021);the Fundamental Research Funds for the Central Universities of Ministry of Education of China(no.XDJK2015B035)
The phosphorus（P） fraction distribution and formation mechanism in the supernatant after P adsorption onto iron oxides and iron oxide-humic acid（HA） complexes were analyzed using the ultrafiltration method in this...
关键词：Phosphorus Fraction Ultrafiltration Natural organic matter Iron-DOM Iron oxide-humic acid complexes 
Why Doesn't Planning Work in Large Cities in the Developing World? A Viewpoint Based on Population Underestimation
《Journal of Resources and Ecology》2016年第4期254-260,共7页谈明洪 
National Natural Science Foundation of China(41271119)
In developing countries, various plans are used to contain urban sprawl of large cities, though they are rarely successful. Previous studies mainly attribute the failure to unsystematic urban planning, problems of gov...
关键词：developing countries large cities urban planning failure 
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