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CHANCE: 作品数：447被引量：233H指数：9; 导出分析报告; 相关领域：文化科学更多>>; 相关作者：王拥军王伊龙赵性泉孟霞王安心更多>>; 相关机构：首都医科大学附属北京天坛医院苏州大学宁波市第二医院《中华医学信息导报》编辑部更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家科技重大专项国家重点基础研究发展计划北京市科技计划项目更多>>

Power of Second Opportunity:Dynamic Pricing with Second Chance: 《Tsinghua Science and Technology》2025年第2期543-560,共18页Chensheng Ma Shaojie Tang Zhao Zhang; supported by the National Natural Science Foundation of China(No.U20A2068).; In this paper,we consider the following dynamic pricing problem.Suppose the market price vt of an item arriving at time t is determined by v_(t)=θ^(T)x_(t),where x_(t)is the feature vector of that item andθis an unk...; 关键词：dynamic pricing multiple pricing REGRET online learning ellipsoid method

Efficacy and safety of dual antiplatelet therapy in the elderly for stroke prevention: a subgroup analysis of the CHANCE- 2 trial被引量：1: 《Stroke & Vascular Neurology》2024年第5期541-550,共10页Xinmiao Zhang Jing Jing Anxin Wang Xuewei Xie S Claiborne Johnston Hao Li Philip M Bath Qin Xu Jinxi Lin Yilong Wang Xingquan Zhao Zixiao Li Yong Jiang Liping Liu Weifeng Chen Xuhai Gong Jianhua Li Xinsheng Han Xia Meng Yongjun Wang; Ministry of Science and Technology of the People’s Republic of China(MOST),Beijing Municipal Science&Technology Commission and Chinese Stroke Association(CSA),Beijing Municipal Science&Technology Commission,and grants from the National Science and Technology Major Project(2017ZX09304018);Capital's Funds for Health Improvement and Research(2020-1-2041);Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences(2019-I2M-5-029);National Natural Science Foundation of China(81870905,82101357,U20A20358).; Objectives Evidence of the optimal antiplatelet therapy for elderly patients who had a stroke is limited,especially those elder than 80 years.This study aimed to explore the efficacy and safety of dual antiplatelet th...; 关键词：PREVENTION YOUNGER STRATIFIED

The chance of sodium titanate anode for the practical sodium-ion batteries: 《Chinese Journal of Chemical Engineering》2024年第8期226-244,共19页Feng Chen Haoyu Li Xianyan Qiao Ruoyang Wang Changyan Hu Ting Chen Yifan Niu Benhe Zhong Zhenguo Wu Xiaodong Guo; supported by projects from the National Natural Science Foundation of China(U20A20145);the Open Project of State Key Laboratory of Environment-friendly Energy Materials(20kfhg07);Distinguished Young Foundation of Sichuan Province(2020JDJQ0027);2020 Strategic Cooperation Project between Sichuan University and the Zigong Municipal People's Government(2020CDZG-09);State Key Laboratory of Polymer Materials Engineering(sklpme2020-3-02);Sichuan Provincial Department of Science and Technology(2020YFG0471,2020YFG0022,2022YFG0124);Sichuan Province Science and Technology Achievement Transfer and Transformation Project(21ZHSF0111);Sichuan University Postdoctoral Interdisciplinary Innovation Fund(2021SCU12084);Start-up funding of Chemistry and Chemical Engineering Guangdong Laboratory(2122010)。; Supporting sustainable green energy systems,there is a big demand gap for grid energy storage.Sodiumion storage,especially sodium-ion batteries(SIBs),have advanced significantly and are now emerging as a feasible alte...; 关键词：Sodium titanates Sodium-ion batteries Modification methods Electronic materials ELECTROCHEMISTRY Synthesis

Vision, Brilliance, And Triumph: 《ChinAfrica》2024年第7期56-56,共1页; Exchange programme offers chance to see the amazing progress China has made in all aspects Wonderful,amazing,charming!These words aptly describe my first experience in China when I visited the country to attend the 8t...; 关键词：AFRICA visited CHANCE

A Sunrise Major: 《Beijing Review》2024年第22期36-37,共2页Ji Jing; As many graduating students are still busy hunting jobs,Liu Jiayun,a senior at the Shanghai University of Engineering XINHUA ENESSGA Science(SUES),has already secured one that is a good match for her education.Liu has...; 关键词：MAJOR SENIOR CHANCE

Stochastic Flexibility Evaluation for Virtual Power Plants by Aggregating Distributed Energy Resources被引量：3: 《CSEE Journal of Power and Energy Systems》2024年第3期988-999,共12页Siyuan Wang Wenchuan Wu Qizhan Chen Junjie Yu Peng Wang; supported in part by the National Natural Science Foundation of China under Grant U2066601,51725703;Southern Power Grid Technical Project GDKJXM20185069(032000KK52180069).; To manage a large amount of flexible distributed energy resources(DERs)in the distribution networks,the virtual power plant(VPP)is introduced into the industry.The VPP can optimally dispatch these resources in a clust...; 关键词：Chance constrained optimization combined model and data-driven stochastic power flexibility virtual power plant

Interrater Reliability Estimation via Maximum Likelihood for Gwet’s Chance Agreement Model: 《Open Journal of Statistics》2024年第5期481-491,共11页Alek M. Westover Tara M. Westover M. Brandon Westover; Interrater reliability (IRR) statistics, like Cohen’s kappa, measure agreement between raters beyond what is expected by chance when classifying items into categories. While Cohen’s kappa has been widely used, it ha...; 关键词：Interrater Reliability AGREEMENT RELIABILITY KAPPA

Treasure the second chance: 《初中生必读》2024年第3期37-38,共2页卢爱龙; I was in fifth grade and about to take a science test. Since first grade I had always been good at school. I always did well in tests.However, I had difficulty learning Science well when it came to fifth grade. I coul...; 关键词：tried ALWAYS DIFFICULTY

Showing Yourself Actively for Chances: 《初中生天地》2024年第2期62-64,共3页刘旭东杨明(插图); 【导读】无论在学习还是在生活中,我们都需要机会去探索自己、提升自己,从而走向成功的彼岸。机会从来不会主动向我们走来,除非我们时刻都以最积极、最饱满的状态去迎接它。; 关键词：ACTIVE CHANCE YOURSELF

Games of Chance and Money of the Togolese National Lottery in Lomé: 《Open Journal of Psychiatry》2023年第3期175-186,共12页Damega Wenkourama Saliou Salifou Ireti Nethania Elie Ataigba Sonia Kanekatoua Essozimna Pita Gnargogna Bawi Mensah Kokou Soedje Kolou Simliwa Dassa; Introduction: The addiction to games of chance and money is frequently encountered among some players. The general objective of this study was to describe the level of the gambling addiction among the players of the T...; 关键词：Pathological Gambling ADDICTION LONATO Lomé

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