企业应急物资储备完善度评价

为有效提高企业应对各类突发事件的能力,完善企业应急物资储备,开展企业应急物资储备完善度评价研究,对丰富突发事件应急管理理论具有重要意义。本文基于模糊层次综合评价法(FAHP)及Credal网络,选取应急物资数量、应急物资类别、应急物资质量、应急物资联动、应急物资操作培训、应急物资操作人员等6个应急物资储备完善度评价指标,构建一种新的应急物资储备完善度评价模型——SEI模型,并以S公司为对象,将该模型应用于企业应急物资储备完善度评估。结果表明,该模型能够较好的评估企业应急物资储备完善度,揭示企业应急物资储备存在的薄弱环节,确定应急物资储备完善度等级,评估结果可靠;针对S公司应急物资储备存在的不足,提出了应急物资储备完善方案。     

电力应急物资分类储备管理研究

提高电力企业对应急事件快速反应和抗风险能力,更安全可靠地为国民经济服务,这是电力企业当前迫切需要解决的问题。但是由于电力应急物资的品种繁多,价格不尽相同,库存数量参差不齐等现状给电力应急物资管理带来了新的挑战。文章首先介绍了电力应急物资管理的重要意义以及电力应急物资类型和应急物资储备方式。同时,重点介绍了电力应急物资分类储备的方法,对电力应急物资进行分类管理,提高电力应急物资库存管理水平。     

环境应急物资储备管理现状、问题与对策研究——以湖南省为例

分析了湖南省环境应急物资储备管理的现状,认为尚存在专项环境应急物资储备欠缺、信息共享机制不完备、储备底数统计不充分、环境应急物资调用机制不完善、环境应急物资储备管理能力有待提升、环境应急物资使用能力不足等问题,并对其原因进行了剖析,提出了提升湖南省环境应急物资储备管理能力的对策建议.     

突发公共事件应急物资合同储备企业评价及选择

针对我国应急物资储备存在的问题,以供应链中二级库存模型为理论基础,提出以政府应急物资储备为主,将时效性较强的应急物资通过契约形式委托合适的企业进行合同储备,并初步通过时间T和成本C的评价,来对合同储备企业进行科学地评价及选择。     

混合储备模式下洪涝灾害应急物资配置结构优化

为了提升洪涝灾害应急响应能力,提出应急物资三主体混合储备模式,根据三主体供应特点和物资需求条件,构建了以最小政府成本和最低灾害损失为目标,以保障能力、政府成本及企业利润为约束的洪涝灾害应急物资配置模型,并通过模型的求解及简化,确定了不同储备模式的适用范围。在对以块石为代表的洪涝灾害应急物资算例计算的基础上,分析比较了不同储备模式下的最优配置结构,并针对与政府决策相关的重要参数进行了敏感度分析,结果表明,对于以块石为代表的洪涝灾害应急物资,建议采用以政府直接储备为主、委托企业储备为辅、社会力量代为储备为补充的储备模式,物资的现货市场采购成本会影响物资储备总量,政府储备库采购储备成本、企业期权价格会影响物资配置结构。     

突发事件应急管理体系中应急物资储备问题浅析——基于自然灾害

近些年,突发公共事件时有发生,给人们当命财产造成严重损失。应急物资管理作为应急管理领域的一个重要研究方向,引起全社会的广泛关注。本文以08年汶川地震、山东黄河中央级防汛储备仓库实际情况为例,分析应急物资储备、筹集、调度、管理环节存在的突出问题。     

突发公共事件应急物资储备策略研究

突发公共事件是指自然灾害、事故灾难、公共卫生事件和社会安全等事件。在突发事件中的应急资源保障至关重要,而我国应急资源的储备及调度存在很多问题。本文分析我国应急物资储备现状,并提出应急物资储备措施,将企业供应链下的多级库存管理运用到应急物资的储备中,建立二级库存模型即应急物资储备分为政府实物储备和企业合同储备,在发生应急情况而储备物资不足时,启动合同储备,反应快速,成本降低,具有理论及现实应用意义。     

中国省域应急生活必需品储备需求度评价与空间分异——基于熵权需求指数模型

根据应急物资储备需求指数的内涵,分析了影响区域应急物资储备的主要因素,构建了应急生活必需品储备熵权需求指数耦合模型,对我国各省域的应急生活必需品储备需求度进行评价,测算出各省域应急生活必需品储备需求度,根据各省域应急储备需求度对我国应急生活必需品储备需求的空间分异进行了研究,以期对我国应急生活必需品储备布局提供一定的参考。     

关于应急物资储备的思考

我国是世界上受自然灾害影响最为严重的国家之一,为有效应对突发灾害、保障人民群众的生命安全,建立和完善有效的应急物资储备机制迫在眉睫。从我国应急物资储备现状入手,提出了建立应急物资储备的基本思路。     

基于SOA的第四方物流应急物资管理系统设计与实现

根据需求信息添加和查询应急物资储备信息。在指派管理中,管理员实现优化指派三方应急物资。在运输管理中管理员实现运输方案优化决策,包括运输工具、运输方式、运输路径优化以及承运商选择。在应急物资运输途中,采用现代管理技术（GPS全球卫星定位技术、现代通信技术和GoogleMaps技术）实现车载终端定位监控。在整个应急物资管理过程,将管理信息以服务形式在服务注册中心发布,     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

Exciton Seebeck in Molecular Systems

Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with     

Achieving Unusual States of Matter Under High Pressure

The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

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An on-line scaling method for improving scalability of a database cluster

The explosive growth of the Internet and database applications has driven database to be more scalable and available, and able to support on-line scaling without interrupting service. To support more client's queries without downtime and degrading the response time, more nodes have to be scaled up while the database is running. This paper presents the overview of scalable and available database that satisfies the above characteristics. And we propose a novel on-line scaling method. Our method improves the existing on-line scaling method for fast response time and higher throughputs. Our proposed method reduces unnecessary network use, i.e. , we decrease the number of data copy by reusing the backup data. Also, our on-line scaling operation can be processed parallel by selecting adequate nodes as new node. Our performance study shows that our method results in significant reduction in data copy time.     

An improved R-tree based on childnode''s probability

R-Tree is a good structure for spatial searching. But in this indexing structure,either the sequence of nodes in the same level or sequence of traveling these nodes when queries are made is random. Since the possibility that the object appears in different MBR which have the same parents node is different, if we make the subnode who has the most possibility be traveled first, the time cost will be decreased in most of the cases. In some case, the possibility of a point belong to a rectangle will shows direct proportion with the size of the rectangle. But this conclusion is based on an assumption that the objects are symmetrically distributing in the area and this assumption is not always coming into existence. Now we found a more direct parameter to scale the possibility and made a little change on the structure of R-tree, to increase the possibility of founding the satisfying answer in the front sub trees. We names this structure probability based arranged R-tree (PBAR-tree).     

Integrating GIS Web services based on mediating architecture

The geographic information service is enabled by the advancements in general Web service technology and the focused efforts of the OGC in defining XML-based Web GIS service. Based on these models, this paper addresses the issue of services chaining,the process of combining or pipelining results from several interoperable GIS Web Services to create a customized solution. This paper presents a mediated chaining architecture in which a specific service takes responsibility for performing the process that describes a service chain. We designed the Spatial Information Process Language (SIPL) for dynamic modeling and describing the service chain, also a prototype of the Spatial Information Process Execution Engine (SIPEE) is implemented for executing processes written in SIPL. Discussion of measures to improve the functionality and performance of such system will be included.     

Tracking data management using topology of moving object database system for moving object constrained trajectory in LBS application

Advances in wireless technologies and positioning technologies and spread of wireless devices, an interest in LBS (Location Based Service) is arising. To provide location based service, tracking data should have been stored in moving object database management system (called MODBMS) with proper policies and managed efficiently. So the methods which acquire the location information at regular time intervals then, store and manage have been studied. In this paper, we suggest tracking data management techniques using topology that is corresponding to the moving path of moving object. In our techniques, we update the MODBMS when moving object arrived at a street intersection or a curved road which is represented as the node in topology and predict the location at past and future with attribute of topology and linear function. In this technique, location data that are corresponding to the node in topology are stored, thus reduce the number of update and amount of data. Also in case predicting the location,because topology are used as well as existing location information, accuracy for prediction is increased than applying linear function or spline function.