基于Spring+Struts+Hibernate注塑模具报价系统的研发

开源框架技术在J2EE平台中大量运用,增加了J2EE平台应用软件的开发效率。文章探讨整合了Spring+Struts+Hibernate轻量级的J2EE平台和技术,讨论了注塑模具报价系统的算法功能,设计与实现基于SSH注塑模具报价系统,该系统使用方便、计算准确,可维护性、可扩展性、健壮性好。     

基于电子商务的出版物逆向物流研究

简析了当前出版物的物流网络结构,就此提出出版物逆向物流的改进方法。     

运用多种电教媒体,提升幼儿教师课件制作水平

随着现代信息技术的发展,现代教育技术的应用方式也在不断发展,各种电教媒体在教学中的运用,使课堂教学变得有声有色、形象生动,为幼儿提供了多样化的外部刺激,更好地促进了其理解记忆,进一步激发了他们学习的兴趣和积极参与的主动性。     

浅析自然灾害影响较大地区的桥梁安全结构设计

桥梁安全结构的设计十分重要。本文就自然灾害影响较大的地区的桥梁设计进行简单论述,主要介绍关于多洪水、台风、地震等灾害的地区的桥梁结构设计。     

Understanding Business Improvement District formation: An analysis of neighborhoods and boundaries

Business Improvement Districts (BIDs) provide supplemental services to urban commercial corridors using funds from member assessments. They have become a very popular urban revitalization tool, but their formation is still largely unexplained. Theory implies that BIDs will form if they add to aggregate welfare and if the marginal net benefit of membership is positive. I test this for the neighborhood overall and at the BID boundary. Using unique, micro-level and longitudinal data from New York City, I employ survival analysis methods to estimate the likelihood of a neighborhood forming a BID. I then estimate the likelihood of the marginal property’s BID membership by comparing the characteristics of properties located immediately inside and outside of the BID boundaries. I find that BIDs are more likely to form when there is more commercial space over which the BID benefits can be capitalized and when there is homogeneity in service and spending preferences across properties. BIDs also tend to form in neighborhoods that possess signs of appreciation and growth. Generally, BIDs are more likely to form in neighborhoods with higher valued properties with the exception of very wealthy areas. The BID boundary, however, is comprised of relatively less valuable properties.     

一种求解随机需求库存-路径问题的分解算法

将SDIRP分解为基于直接配送的随机库存-路径问题的库存子问题和基于车辆路径问题的路径问子题,并设计了一个基于(s,S)库存策略和修正C-W节约法的启发式算法,最后,通过相应的数值算例验证了算法的有效性。     

适应型城市:将适应气候变化与气候风险管理纳入城市规划

气候变化对城市规划提出新的要求,即:通过人口、土地等资源的时空配置,最大限度地减小城市面临的潜在气候风险。本文从"城市发展如何考虑气候变化与风险管理需求"这一核心问题出发,探讨了气候风险、气候风险管理及适应型城市的概念和内容,指出在中国城市化提升阶段,城市发展迫切需要加强气候风险管理的意识和能力。基于国外城市应对气候变化风险的实践与经验,提出将适应与气候风险管理纳入城市规划,提出构建适应型城市的几个要点。     

Optimum allocation in multivariate stratified random sampling: stochastic matrix mathematical programming

The allocation problem for multivariate stratified random sampling as a problem of stochastic matrix integer mathematical programming is considered, minimizing the estimated covariance matrix of estimated means subject to fixed cost or fixed total sample size. With these aims the asymptotic normality of sample covariance matrices for each strata is established. Some alternative approaches are suggested for its solution. An example is solved by applying the proposed techniques.     

银行业改革、赶超与开放——基于Malmquist TFP指数的实证分析

为评估近年来中国国有银行改革、城市商业银行赶超与银行业对外全面开放5年来外资银行效率的变化,主要采取"中介法",利用2005～2010年数据对中国本土和外资银行Malmquist TFP指数及其组成部分进行了测算分解和实证分析。研究表明:改革促进了中国银行业效率的提高;城市商业银行的"赶超"战略显著提升了效率;中国本土银行的纯技术效率亟待改善;中国银行业对外全面开放后,外资银行的全要素生产率有所提高,但规模效率和技术进步有待改进;股权/资产比率等因素降低了银行效率。     

中国个人所得税改革历程与展望——基于促进构建橄榄型收入分配格局的视角

本文以促进我国橄榄型收入分配格局构建与形成为主要视角,将如何充分发挥个人所得税的收入调节作用作为基本主线,简要分析了自1980年中国个人所得税开征以来的改革历程,着重评价了本轮改革(2011年)的主要内容和影响,提出了今后改革的总体思路和政策建议。