园林树木学课程教学改革探索

园林树木学是培养学生进行热爱自然,热爱生活,发现美,创造美的专业课程.在教学过程中,应科学地安排教学内容,优化学生知识结构,尝试新的教学方式与手段,以"研究性与引导式学习"为导向,学习建构主义教学模式来开展教学活动,使之成为学生主题研究、开放性研究活动的一个新空间.通过第一课堂与第二课堂教学结合,指导学生进行"校园植物挂牌"等实践活动,在探究有关园林树木的知识的过程中,培养学生的观察能力、实践能力、合作与创新能力.     

走向一种绿色意识形态

与价值观不同，意识形态既是规范性的又是描述性的，或者说，既是价值评估性的也是知识追求性的。事实与价值之间的关系，被传统地以“二分法”的方式加以构建，实际上二者是一种互补关系，但这也并不意味着对矛盾关系的否认。一种建立在摆脱教条主义的唯物主义基础上的绿色理论，更有利于开展一种行之有效的实践，而这或许是绿色运动可以从马克思主义那里继承的最为重要的遗产。如果生态主义要想成为一种有影响的意识形态，就必须发展一种“绿色实践观”，创建“理论-实践”的统一体，并借助包含着价值考量在内的“中介”来跨越二者之间的鸿沟。     

Semiparametric partially linear varying coefficient models with panel count data

This paper studies semiparametric regression analysis of panel count data, which arise naturally when recurrent events are considered. Such data frequently occur in medical follow-up studies and reliability experiments, for example. To explore the nonlinear interactions between covariates, we propose a class of partially linear models with possibly varying coefficients for the mean function of the counting processes with panel count data. The functional coefficients are estimated by B-spline function approximations. The estimation procedures are based on maximum pseudo-likelihood and likelihood approaches and they are easy to implement. The asymptotic properties of the resulting estimators are established, and their finite-sample performance is assessed by Monte Carlo simulation studies. We also demonstrate the value of the proposed method by the analysis of a cancer data set, where the new modeling approach provides more comprehensive information than the usual proportional mean model.     

Social and Economic Wellbeing in Europe and the Mediterranean Basin: Building an Enlarged Human Development Indicator

This paper calculates a human Wellbeing Composite Index (WCI) for 42 countries, belonging to the European Economic Space, North Africa and the Middle East, as an alternative to the shortcomings of other well-known measures of socio-economic development (i.e. Gross Domestic Product per head and Human Development Index). To attain this goal, different data envelopment analysis (DEA) models are used as an aggregation tool for seven selected socio-economic variables which correspond to the following wellbeing dimensions: income per capita, environmental burden of disease, income inequality, gender gap, education, life expectancy at birth and government effectiveness. The use of DEA allows avoiding the subjectivity that would be involved in the exogenous determination of weights for the variables included in WCI. The aim is to establish a complete ranking of all countries in the sample, using a three-step process, with the last step consisting in the use of a model that combines DEA and compromise programming, and permits to obtain a set of common weights for all countries in the analysis. The results highlight the distance that still separates Southern Mediterranean countries from the benchmark levels established by some European countries, and also point to the main weaknesses in individual countries’ performance. Nordic countries, plus Switzerland, top the list of best performers, while Mauritania, Libya and Syria appear at the bottom.     

河北省体育竞赛表演市场发展策略

根据河北省各地市实际情况,举办体育赛事应考虑城市人口规模、体育基础设施、竞技体育水平、经济发展水平、地理气候、传统文化等,不同城市应培养不同的赛事,并推动民间体育竞赛、青少年体育竞赛、公益体育竞赛等体育活动的开展.     

Influence in covariance structure analysis: with an application to confirmatory factor analysis

Influence functions are derived for the parameters in covariance structure analysis, where the parameters are estimated by minimizing a discrepancy function between the assumed covariance matrix and the sample covariance matrix. The case of confirmatory factor analysis is studied precisely with a numerical example. Comparing with a general procedure called one-step estimation, the proposed procedure has two advantages:1) computing cost is cheaper, 2) the property that arbitrary influence can be decomposed into a fi-nite number of components discussed by Tanaka and Castano-Tostado(1990) can be used for efficient computing and the characterization of a covariance structure model from the sensitivity perspective. A numerical comparison is made among the confirmatory factor analysis and some procedures of ex-ploratory factor analysis by using the decomposition mentioned above.     

天津南港工业区综合服务区景观构建

一、项目背景 天津市南港工业区位于环渤海经济带中部天津滨海新区的大港区，是通过围海造田而兴建的新的大型工业区。综合服务区位于工业区西北部，隶属于工业区一期规划范围，包括南港开发指挥部、工业展览中心、各种行政办公区域、银行、邮局、超市等办公和服务性区域，总体规划面积15万平方米。由于南港工业区土地主要以围海造田为主，场地土壤盐渍化较重。     

论民商法原则对企业立法的规制

文章探讨了民商法原则对企业立法的规制.企业作为独立市场主体资格具有正常的行为方式,企业的行为必须是自益行为、自主行为和与企业组织形式相应的行为,国家管理不能取代社会调节功能,民事责任对于企业行为规制的基础性作用不容忽视.