马克思的实践哲学与现代性批判

理性主义观念、主体性原则以及文化分化的表征不仅构成了现代性的主要方面,而且也成为现代性危机的主要原因.因此,我们需要一种新的哲学观念来反思现代性的发展,并在此基础上重新构建人与世界、人与人的关系.而马克思的实践哲学中蕴含的对实践概念和实践活动的理解则成为反思和批判现代性的重要视角.     

产权制度与两种含义所有制的关系——兼论所有制理论创新的理论依据和必要性

所有制分为狭义和广义,狭义所有制是生产资料占有方式,广义所有制是生产关系总和.产权制度是各经济主体之间权、责、利关系的设定及其处理规则的制度安排.三者之间既有区别又有联系.区别主要表现在:内涵不同;在经济体中的地位和功能不同;变化的结果不同.联系在于:三者共同构成一个制度体系;现实的所有制关系和经济成分需要产权制度来规范和实现.三者的辩证统一关系说明所有制理论中不能没有产权理论.中国经济改革与发展必须由富含产权理论的所有制理论作指导,但传统所有制理论中产权理论不足.我们必须在充分挖掘马克思所有制理论中的产权理论基础上,批判地吸收西方产权理论的优秀成果,丰富、创新传统所有制理论,使马克思主义所有制理论更具指导性.     

论社区共同体生成的政府培育主导路径

本文通过对朝阳区的实证研究,表明我国现阶段社区共同体的生成路径是政府培育主导。它的出现是历史发展的必然结果:在建国初期的单位共同体下,人们不仅缺乏结社传统,而且形成了对政府的依赖心理,致使我国社区共同体生成的主导方式一直是政府生成路径。但在现阶段,政府生成路径已经发生转变,变成了政府培育主导,而不是单位共同体下的政府控制主导,这体现了社区建设的发展方向是社区自治而不是社区控制。     

《三联生活周刊》小图标游离背后的深思考——兼对杂志尾标规范及应用初探

出现在杂志文章结尾处、一般占一个字符大小的小图标在本文之与未进入杂志编辑排版命名和认识的范畴。杂志“尾标”概念的提出,即是为有意识利用和规范使用提供一个前提,以杜绝由于“尾标”使用不规范而引起的杂志的法律与诚信危机,同时更具建设性的应用于杂志品牌文化系统的构建和表现。     

Data skeletons: simultaneous estimation of multiple quantiles for massive streaming datasets with applications to density estimation

We consider the problem of density estimation when the data is in the form of a continuous stream with no fixed length. In this setting, implementations of the usual methods of density estimation such as kernel density estimation are problematic. We propose a method of density estimation for massive datasets that is based upon taking the derivative of a smooth curve that has been fit through a set of quantile estimates. To achieve this, a low-storage, single-pass, sequential method is proposed for simultaneous estimation of multiple quantiles for massive datasets that form the basis of this method of density estimation. For comparison, we also consider a sequential kernel density estimator. The proposed methods are shown through simulation study to perform well and to have several distinct advantages over existing methods.     

Generalized inferences on the common mean vector of several multivariate normal populations

The hypothesis testing and confidence region are considered for the common mean vector of several multivariate normal populations when the covariance matrices are unknown and possibly unequal. A generalized confidence region is derived using the concepts of generalized method based on the generalized p$p$-value. The generalized confidence region is illustrated with two numerical examples. The merits of the proposed method are numerically compared with those of existing methods with respect to their expected area or expected d-dimensional volumes and coverage probabilities under different scenarios.     

文化视野下的汉语民族性特点

汉语的民族性特点是在与其他民族语长期接触和融合过程中形成的.文章立足于中西文化和中华文化广阔视域,从语词类聚、句法组织、修辞方式、表达习惯等角度对汉语的民族性特点进行了全面描写,同时结合民族历史、政治制度、社会背景、价值观念、认知心理等诸因素,给予了发生学解释.     

几种传输线的场分布

求开放平板线、外正三角形內圆同轴线、外方內圆同轴线、外正六边形內圆同轴线的特性阻抗而建立的精确保角变换的基础上,本文进一步讨论了显式逆变换函数,从而求得了这几种传输线的场分布的闭合表达式。由于所用保角变换的精确性,所得的显式场分布在内导体和外导体的内接圆尺寸之比小于0.5in。基本上是准确的,在这个尺寸比稍大些时也可作为参考。这些场分布对于了解传输线的功率容量,计算衰减常数,考虑功率耦合,设计有关的有源器件等都是必不可少的。文中获得的几种传输线的场分布的显著特点是计算方便,在一般实用范围內有足够的精度。     

Topics in Microbial Risk Assessment: Dynamic Flow Tree Process

Microbial risk assessment is emerging as a new discipline in risk assessment. A systematic approach to microbial risk assessment is presented that employs data analysis for developing parsimonious models and accounts formally for the variability and uncertainty of model inputs using analysis of variance and Monte Carlo simulation. The purpose of the paper is to raise and examine issues in conducting microbial risk assessments. The enteric pathogen Escherichia coli O157:H7 was selected as an example for this study due to its significance to public health. The framework for our work is consistent with the risk assessment components described by the National Research Council in 1983 (hazard identification; exposure assessment; dose-response assessment; and risk characterization). Exposure assessment focuses on hamburgers, cooked a range of temperatures from rare to well done, the latter typical for fast food restaurants. Features of the model include predictive microbiology components that account for random stochastic growth and death of organisms in hamburger. For dose-response modeling, Shigella data from human feeding studies were used as a surrogate for E. coli O157:H7. Risks were calculated using a threshold model and an alternative nonthreshold model. The 95% probability intervals for risk of illness for product cooked to a given internal temperature spanned five orders of magnitude for these models. The existence of even a small threshold has a dramatic impact on the estimated risk.     

四川盆地西北部蕈菌资源

1986年以来在四川盆地西北部采集到205种草菌,其中包括省内新记录种60种,国内新记录种4种。根据G.C.Ainsworth等(1973)的分类系统分类并命名。所有标本保藏在四川锦阳农业专科学校真菌标本室。