共生理论视角下少数民族原生态村寨保护与开发研究——以靖州苗族侗族自治县地笋苗寨为例

为了促进少数民族原生态村寨的可持续发展,以种群生态学中的共生理论为基础,研究共生理论视角下少数民族原生态村寨保护与开发问题。选择原生态地笋苗寨为研究对象,以地笋苗寨作为一个共生系统,通过对共生单元内的条件因素与共生界面的分析,运用一体化互惠共生模式的模型,探讨少数民族原生态村寨保护与开发的共生机制,提出要发挥政府顶层设计作用,统筹协调制定整体性保护措施;整合多方资源,建立共生单元协作联合体;做到责任共担,建立利益协调机制的对策建议。     

影响我国农业生产的气象灾害分析

我国是气象灾害的多发区,气象灾害对我国农业生产影响较大。气象灾害的类型有：原生气象灾害、次生气象灾害和气象衍生灾害。影响我国农业生产的干旱、洪涝、低温冷冻、风雹等是几种主要气象灾害。     

对外资企业实行国民待遇政策的思考

本文指出必须重视因电子商务的国际化、虚拟化和数字化的三大特征 ,使得现有会计假设、一般会计原则和财务报告等脱离了原有的理论框架的问题。     

湖北陆水蝶类资源调查

通过1994－1996,1998－2000年在湖北赤壁市境内的陆水湖库区进行动物野外实习,对该地的蝴蝶种类进行了调查,采集,经鉴定,采得的蝴蝶标本隶属8科,64属,103种,其中41种为湖北省首次记录。     

Characterizations of probability distributions via bivariate regression of record values

Bairamov et al. (Aust N Z J Stat 47:543–547, 2005) characterize the exponential distribution in terms of the regression of a function of a record value with its adjacent record values as covariates. We extend these results to the case of non-adjacent covariates. We also consider a more general setting involving monotone transformations. As special cases, we present characterizations involving weighted arithmetic, geometric, and harmonic means.     

Fisher information in record data

We present some general results on Fisher information (FI) contained in upper (or lower) record values and associated record times generated from a sequence of i.i.d. continuous variables. For the record data obtained from a random sample of fixed size, we establish an interesting relationship between its FI content and the FI in the data consisting of sequential maxima. We also consider the record data from an inverse sampling plan (Samaniego and Whitaker, 1986). We apply the general results to evaluate the FI in upper as well as lower records data from the exponential distribution for both sampling plans. Further, we discuss the implication of our results to statistical inference from these record data. Received: December 2001 Acknowledgements. This research was supported by Fondo Nacional de Desarrollo Cientifico y Tecnologico (FONDECYT) grants 7990089 and 1010222 of Chile. We would like to thank the Department of Statistics at the University of Concepción for its hospitality during the stay of H. N. Nagaraja in Chile in March of 2000, when the initial work was done. We are grateful to the two referees for various comments that let to improvements in the paper.     

Concomitants of Record Values Arising from Morgenstern Type Bivariate Logistic Distribution and Some of their Applications in Parameter Estimation

In this paper we have obtained the joint probability density function of concomitants of two record values and hence obtained an explicit expression for the product moment of concomitants of two record values arising from Morgenstern family of distributions. Appling this expression for the product moments of concomitants of record values we have derived the best linear unbiased estimators based on concomitants of record values of some parameters involved in Morgenstern type bivariate logistic distribution which is a subfamily of the Morgenstern family of distributions. The efficiencies of these estimators based on the first n concomitants of record values for n≤10 are also obtained.     

加强高校特种设备安全管理 建设和谐平安校园

本文对高校特种设备安全管理责任落实、法规意识、档案管理等方面的现状和存在问题进行分析和探讨。针对存在的问题提出了相应对策,以实现"平安校园、和谐校园"的目标。     

电子文件与档案管理工作的关系

针对电子文件定义及其特点进行了简要综述,进而阐述了电子文件对档案的影响,并提出档案界应采取的对策,点明档案管理工作的意义。     

浅谈电子病历标准化

电子病历是数字化的病人医疗健康记录,电子病历标准化是医院信息化、网络化发展的趋势。文章对电子病历的意义、标准化发展现状和存在的问题进行了阐述。