水务工程BOT项目与风险规避初探

国家卫生部2001年6月7日颁布的《生活饮用水水质卫生规范》和国民及政府对环境保护的要求标准,给进入21世纪的中国水务工程市场带来了喜人的市场机遇,但是也存在着巨大的融资困难。BOT模式是解决融资困难的一条极其有效的途径。内资民营企业的加入将成为中国BOT水务项目的主体。通过实例对BOT水务工程存在的风险以及规避方法进行了初步探讨。     

传统教育资源的现代转化——晚清书院嬗变的历史考察

传统教育资源为适应教育现代化的要求 ,不断变革并融入教育现代化的进程之中 ,从而促进了现代教育制度的建立。晚清书院的嬗变即充分展现了这一历史理性。在社会转型和自身日益衰败的双重作用下 ,晚清书院历经复归书院传统的努力、新质书院的建立和改书院为学堂三个相互交织的嬗变过程 ,走完了现代转化之路。这对我国现代教育制度的建立起到了一定的促进作用 ,并由此与现代教育建立了无法割断的联系。     

论网络空间的社会风险

互联网的崛起为人们的日常生活、学习和工作带来了诸多便利,然而,作为一种全新的信息技术范式,互联网也给人类社会生活带来了许多新的风险。文章分析和论述了网络风险的各种表现形式、网络风险的实质以及网络风险产生的根源,以期为网络风险管理提供借鉴。     

The Role of Cancer Risk in the Regulation of Industrial Pollution

The extent of carcinogen regulation under existing U.S. environmental statutes is assessed by developing measures of the scope and stringency of regulation. While concern about cancer risk has played an important political role in obtaining support for pollution control programs, it has not provided the predominant rationale for most regulatory actions taken to date. Less than 20% of all standards established to limit concentrations of chemicals in various media address carcinogens. Restrictions on chemical use are more frequently based on concerns about noncancer human health or ecological effects. Of the chemicals in commercial use which have been identified as potential human carcinogens on the basis of rodent bioassays, only a small proportion are regulated. There is an inverse relationship between the scope of regulatory coverage and the stringency of regulatory requirements: the largest percentages of identified carcinogens are affected by the least stringent requirements, such as information disclosure. Standards based on de minimis cancer risk levels have been established for only 10% of identified carcinogens and are restricted to one medium: water. Complete bans on use have affected very few chemicals. The general role that carcinogenicity now plays in the regulatory process is not dramatically different from that of other adverse human health effects: if a substance is identified as a hazard, it may eventually be subject to economically achievable and technically feasible restrictions.     

Physiologically Based Liver Modeling and Risk Assessment

Because of the inherent complexity of biological systems, there is often a choice between a number of apparently equally applicable physiologically based models to describe uptake and metabolism processes in toxicology or risk assessment. These models may fit the particular data sets of interest equally well, but may give quite different parameter estimates or predictions under different (extrapolated) conditions. Such competing models can be discriminated by a number of methods, including potential refutation by means of strategic experiments, and their ability to suitably incorporate all relevant physiological processes. For illustration, three currently used models for steady-state hepatic elimination--the venous equilibration model, the parallel tube model, and the distributed sinusoidal perfusion model--are reviewed and compared with particular reference to their application in the area of risk assessment. The ability of each of the models to describe and incorporate such physiological processes as protein binding, precursor-metabolite relations and hepatic zones of elimination, capillary recruitment, capillary heterogeneity, and intrahepatic shunting is discussed. Differences between the models in hepatic parameter estimation, extrapolation to different conditions, and interspecies scaling are discussed, and criteria for choosing one model over the others are presented. In this case, the distributed model provides the most general framework for describing physiological processes taking place in the liver, and has so far not been experimentally refuted, as have the other two models. These simpler models may, however, provide useful bounds on parameter estimates and on extrapolations and risk assessments.     

试论“思想家的小说”的作者吴敬梓的思想

吴敬梓的思想内涵十分丰赡 ,传统思想中的儒家思想和魏晋六朝风尚对他的影响至大 ,而时代思潮中的颜李学说以及自然科学学风也同样影响了他。吴敬梓之所以受到这些思想的影响 ,是与他的家庭传统和生活实践密切相关的。而研究他的思想必须从他所创造的艺术形象着手 ,重视形象思维的特性。     

藏族传统文化对青藏高原地理环境的解说

在藏族传统文化中 ,青藏高原藏族居住区域被命名为“神圣雪域”。藏族通过想象、语言、神话及象征符号将地理上的高原解释为“人类学的高原” ,使之成为神圣化的精神家园。因而 ,藏族传统文化中的青藏高原自然面貌与人文景观和谐地组合为一体 ,成为相互依存的完美整体。神圣生敬畏 ,敬畏生珍爱。对高原家乡神圣化的功能作用是珍爱保护它 ,是藏族人保护高原环境、美化家园的一种崇高愿望。通过自然禁忌行为和规范加强了对高原生态环境的保护     

谈传统文化对企业管理模式的影响

在企业管理中 ,各国的企业管理模式不尽相同。本文认为 ,不同的文化传统塑造了各具特色的企业管理模式 ,文章选取了美国、日本和中国这三个典型个案 ,具体分析了文化传统对企业管理模式的影响     

Girls’ Jobs for the Boys? Men,Masculinity and Non‐Traditional Occupations

Occupational segregation by sex remains the most pervasive aspect of the labour market. In the past, most research on this topic has concentrated on explanations of women’s segregation into low paid and low status occupations, or investigations of women who have crossed gender boundaries into men’s jobs, and the potential impact on them and the occupations. In contrast, this article reports on a small‐scale, qualitative study of ten men who have crossed into what are generally defined as ‘women’s jobs’. In doing so, one of the impacts on them has been that they have experienced challenges to their masculine identity from various sources and in a variety of ways. The men’s reactions to these challenges, and their strategies for developing and accommodating their masculinity in light of these challenges, are illuminating. They either attempted to maintain a traditional masculinity by distancing themselves from female colleagues, and/or partially (re)constructed a different masculinity by identifying with their non‐traditional occupations. This they did as often as they deemed necessary as a response to different forms of challenge to their gender identities from both men and women. Finally, the article argues that these responses work to maintain the men as the dominant gender, even in these traditionally defined ‘women’s jobs’.     

我国期货市场的法规探讨

本文阐述了期货市场法律规范的基本原则和主要功能，介绍了我国期货市场的近期发展与法规现状，并对我国期贷市场法律规范的基本原则与体系设置作了探讨。