共搜索到9892条信息,每页显示10条信息,共990页。用时:0小时0分1秒119毫秒
Bitmap lattice index in road networksDoohee Song1, Keun-Ho Lee2, Kwangjin Park1(1. Information Communication Engineering, Wonkwang University, Iksan-shi, Korea;2. Division of Information Communication Engineering, Baekseok University, Cheonan-shi, Korea)Abstract:A novel technique called the bitmap lattice index (BLI) is proposed, which combines the advantages of a wireless broadcasting......
......
冶金矿山企业经济效益评价指标体系的构筑付文姜1,胡乃联2(1.北京市黄金集团公司2.北京科技大学 土木与环境工程学院)摘 要:指标体系的建立是冶金矿山企业经济效益评价的基础.根据指标体系构筑的原则,采用13家冶金矿山的数据,运用多元统计分析方法,对指标体系的建立展开讨论,为构筑矿山经济效益评价指标体系提供了新的途径和方法.关键词:指标体系; 冶金矿山; 经济效益评价......
in the data structure (see the evaluation and results). Two advantages of the proposed method including small volume of generated index and parallelism (using threads for implementation) provide...J. Cent. South Univ. (2016) 23: 150-159 DOI: 10.1007/s11771-016-3058-4 A method for improving graph queries processing using positional inverted index (P.I.I) idea in search engines......
Quantitative Analysis of Life Index of Electrothermal-Film Coated Ceramic Heating Elements with Rare-Earth Element Doped He Ping1 (1.Liaoning Police College, Dalian 116033. China) Abstract... the multivariate statistical regression analysis was presented, and the optimum control index of the multicomponent semiconductor dope and the rareearth element for the maximum life was also determined......
. A comprehensive evaluation model of unascertained measurement was established according to the analysis of contribution of index to sample classification and the conversion method of membership degree from...; Article ID: 1672-7207(2011)S1-1058-04 1 Introduction The index system of environmental evaluation exhibites a hierarchical structure, the chararter of which......
the ecological environment. Key words: objective and subjective weighting method; slope protection; evaluation model; ecological environment; evaluation index 修建山区高速公路是以破坏生态环境为代价的建设工程.在修建过程中形成大的挖填方,引起岩土体移动,变形和破... caused by the constructions of expressway in mountainous area, mountainous expressway slope protection and ecological environment protection were studied. Subjective and objective evaluation method......
Engineering, Central South University, Changsha 410075, China) Abstract: Based on the evaluation index system of secondary environment impacts of urban rail transit, and with the theory of entropy and matter... and provide new ideas and means for secondary environmental impact evaluation of urban rail transit. Key words: urban rail transit; secondary environment; extension; entropy weight; evaluation index  ......
method was proposed to evaluate the cracking resistance of concrete, where the concepts of cracking coefficient ζt(t) and the evaluation index Acr(t) were proposed, and the development of micro-cracks... has not an observable crack.Key words:ceramsite type; cracking resistance; lightweight aggregate concrete; evaluation index; evaluation method......
based on the analytic hierarchy process and the comprehensive index system. A case study based on the evaluation system was conducted in D5 of Huabei oilfield. The results show that the Permian... aquifer gas storage, which is consistent with the expert opinions. Key words: aquifer gas storage; evaluation index; analytic hierarchy process; evaluation system 含水层储气库为地下储气库的重要类型,目前,世界上建造在大工业中心和大城市附近的储气库......