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检索条件"主题词=U-type"
5 条 记 录,以下是1-10 订阅
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New Lower Bounds to Wrap-around L2-discrepancy for u-type Designs with Three-level
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Acta Mathematicae Applicatae Sinica 2019年 第3期35卷 513-520页
作者: Zheng-hong WANG Hong QIN School of Mathematics and Statistics South-Central University for NationalitiesWuhan 430074China Faculty of Mathematics and Statistics Central China Normal UniversityWuhan 430079China
The objective of this paper is to study the issue of uniformity on three-level u-type designs in terms of the wrap-around *** on the known formula,we present a new lower bound of wrap-around L2-discrepancy for three-l... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
u-type Designs via New Generalized Partially Balanced Incomplete Block Designs with <i>m</i>= 4, 5 and 7 Associated Classes
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Applied Mathematics 2015年 第2期6卷 242-264页
作者: Imane Rezgui Zebida Gheribi-Aoulmi Hervé Monod Department of Mathematics University of Constantine 1 Constantine Algeria INRA UR MaIAGE Jouy-en-Josas Paris France
The traditional combinatorial designs can be used as basic designs for constructing designs of computer experiments which have been used successfully till now in various domains such as engineering, pharmaceutical ind... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Observational features of a decimetric solar radio type u bursts
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Chinese Science Bulletin 1996年 第12期41卷 1006-1010页
作者: 姚金兴 于兴凤 A. Tlamicha 魏奉思 Purple Mountain Observatory Chinese Academy of Sciences. Nanjing 210008 China Astronomical Institute Ondrejov Observatory 25165 Czech Laboratory of Numerical Study of Heliospheric Physics Chinese Acadmey of Sciences Beijing 100080 China
The solar radio inverted-u bursts are named after their shape of an inverted letter uon the spectrograph *** are important in the study of the corona mass ejectionand particle acceleration in solar *** to now,most u b... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Some results on resolvable incomplete block designs
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Science China Mathematics 2005年 第4期48卷 503-512页
作者: LIu Minqian & FANG Kaitai Department of Statistics, Nankai university, Tianjin 300071, China Department of Mathematics, Hong Kong Baptist university, Hong Kong, China Department of Statistics Nankai University Tianjin China Department of Mathematics Hong Kong Baptist University Hong Kong China
This paper is concerned with the uniformity of a certain kind of resolvable incomplete block (RIB for simplicity) design which is called the PRIB design here. A sufficient and necessary condition is obtained, under wh... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
环境规制强度和生产技术进步
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产业经济 2011年 第5期
作者: 张成 陆旸 郭路 于同申
波特假说认为,合适的环境规制能激发“创新补偿”效应,从而不仅能弥补企业的“遵循成本”,还能提高企业的生产率和竞争力。由于其本身的现实意义,引发了大量学者对此进行研究。然而到目前为止,关于环境规制强度与企业生产技术进步... 详细信息
来源: 人大复印报刊资料 评论