The number ofψ(3686)events collected by the BESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic events.The uncertainty is systematic and the ...The number ofψ(3686)events collected by the BESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic events.The uncertainty is systematic and the statistical uncertainty is negligible.Meanwhile,the numbers ofψ(3686)events collected during the 2009 and 2012run periods are updated to be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,respectively.Both numbers are consistent with the previous measurements within one standard deviation.The total number ofψ(3686)events in the three data samples is(2712.4±14.3)×10~6.展开更多
幸福感的研究对提升个人健康和社会效益,实现健康中国的战略目标具有重要意义。文中对出行幸福感的显著影响因素及其层次结构进行分析,构建了出行幸福感评价指标体系,由此提出了相应的规划与政策建议。文中采用国际公认的研究幸福感的...幸福感的研究对提升个人健康和社会效益,实现健康中国的战略目标具有重要意义。文中对出行幸福感的显著影响因素及其层次结构进行分析,构建了出行幸福感评价指标体系,由此提出了相应的规划与政策建议。文中采用国际公认的研究幸福感的数据库ATUS(American Time Use Survey),首先建立最优尺度回归模型,筛选出显著影响出行幸福感的因素并得到各自的重要性系数;而后,以最优尺度回归输出结果为依据,结合因子分析法和层次分析法获得因素间的层次结构,得到每个指标的影响权重,从而构建了出行幸福感评价指标体系,定量地描述了不同因素对出行幸福感的影响程度;最后,基于出行幸福感影响因素的启示,给出提升出行幸福感的规划与政策建议。展开更多
基金supported in part by National Key R&D Program of China under Contracts Nos.2020YFA0406300,2020YFA0406400National Natural Science Foundation of China(NSFC)under Contracts Nos.12150004,11635010,11735014,11835012,11935015,11935016,11935018,11961141012,12025502,12035009,12035013,12061131003,12192260,12192261,12192262,12192263,12192264,12192265,12221005,12225509,12235017+17 种基金the Program of Science and Technology Development Plan of Jilin Province of China under Contract Nos.20210508047RQ and 20230101021JCthe Chinese Academy of Sciences(CAS)Large-Scale Scientific Facility Programthe CAS Center for Excellence in Particle Physics(CCEPP)Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No.U1832207CAS Key Research Program of Frontier Sciences under Contracts Nos.QYZDJ-SSW-SLH003,QYZDJ-SSW-SLH040100 Talents Program of CASThe Institute of Nuclear and Particle Physics(INPAC)Shanghai Key Laboratory for Particle Physics and CosmologyEuropean Union's Horizon 2020 research and innovation programme under Marie Sklodowska-Curie grant agreement under Contract No.894790German Research Foundation DFG under Contracts Nos.455635585,Collaborative Research Center CRC 1044,FOR5327,GRK 2149Istituto Nazionale di Fisica Nucleare,ItalyMinistry of Development of Turkey under Contract No.DPT2006K-120470National Research Foundation of Korea under Contract No.NRF-2022R1A2C1092335National Science and Technology fund of MongoliaNational Science Research and Innovation Fund(NSRF)via the Program Management Unit for Human Resources&Institutional Development,Research and Innovation of Thailand under Contract No.B16F640076Polish National Science Centre under Contract No.2019/35/O/ST2/02907The Swedish Research CouncilU.S.Department of Energy under Contract No.DE-FG02-05ER41374。
文摘The number ofψ(3686)events collected by the BESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic events.The uncertainty is systematic and the statistical uncertainty is negligible.Meanwhile,the numbers ofψ(3686)events collected during the 2009 and 2012run periods are updated to be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,respectively.Both numbers are consistent with the previous measurements within one standard deviation.The total number ofψ(3686)events in the three data samples is(2712.4±14.3)×10~6.
文摘幸福感的研究对提升个人健康和社会效益,实现健康中国的战略目标具有重要意义。文中对出行幸福感的显著影响因素及其层次结构进行分析,构建了出行幸福感评价指标体系,由此提出了相应的规划与政策建议。文中采用国际公认的研究幸福感的数据库ATUS(American Time Use Survey),首先建立最优尺度回归模型,筛选出显著影响出行幸福感的因素并得到各自的重要性系数;而后,以最优尺度回归输出结果为依据,结合因子分析法和层次分析法获得因素间的层次结构,得到每个指标的影响权重,从而构建了出行幸福感评价指标体系,定量地描述了不同因素对出行幸福感的影响程度;最后,基于出行幸福感影响因素的启示,给出提升出行幸福感的规划与政策建议。