出口条件对人员疏散的影响及其分析

采用社会力模型对紧急情况下(如火灾发生时)的人员疏散现象进行了模拟，重现了实际疏散中出现的典型现象，着重研究了出口宽度、出口厚度等建筑结构特征以及期望速度等人群特征与疏散时间之间的关系。结果表明，上述建筑结构特征对疏散时间的影响存在一个渐近关系；随着人群期望速度的变化，疏散时间存在一个最佳值。这些结果可望指导建筑物的疏散设计和建筑火灾等紧急情况下人员的安全疏散。     

Renewable Resources and the Idea of Nature – What Has Biotechnology Got to Do With It?

The notion that the idea of nature isnot quite the unbiased rule to designsustainable futures is obvious. But,nevertheless, questions about nature, how itfunctions and what it might aim at, is leadingthe controversial debates about bothsustainability and biotechnology. These tworesearch areas hardly have the same theorybackground. Whereas in the first concept, theidea of eternal cyclical processes is basic,the latter focuses on optimization. However,both concepts can work together, but only undera narrow range of public acceptance in Europe.The plausibility of arguments for usingbiotechnology within sustainable technologiesvaries according to the assumed part natureitself plays for reaching optimized states. Theculture related vision of nature's functionshas impact on agricultural biotechnology,dealing not only with food crops but also withnon-food plants like renewable resources thatare used for energy or fiber production. Theseplants are grown to reach sustainabledevelopment. However, there is a fundamentaldifference between regarding biofuels as``renewable' and ``regenerative,' due to thetension between the concepts of ``the natural'and ``the sustainable.' Arguments ofoptimization, efficiency, and efficacy arecritically discussed in order to take thepresent need for sustainable technologies forserious.     

浅谈企业现代安全科学管理

简要论述了现代安全科学管理的特点及在企业中的运用。     

Food Safety, Quality, and Ethics – A Post-normal Perspective

I argue that the issues of foodquality, in the most general sense includingpurity, safety, and ethics, can no longer beresolved through ``normal' science andregulation. The reliance on reductionistscience as the basis for policy andimplementation has shown itself to beinadequate. I use several borderline examplesbetween drugs and foods, particularly coffeeand sucrose, to show that ``quality' is now acomplex attribute. For in those cases thesubstance is either a pure drug, or a bad foodwith drug-like properties; both are marketed asif they were foods. An example of theinadequacy of old ways of thinking is obesity,whose causes are as yet outside the purview ofmedicine, while its effects constitute anepidemic disease. The new drug/food syndromeneeds a new sort of science, what we call``post-normal.' This is inquiry at the contestedinterfaces of science and policy; typically itdeals with issues where facts are uncertain,values in dispute, stakes high, and decisionsurgent. With the perspective of post-normalscience, we can better understand some keyissues. We see that ``safety' is different from``risk,' being pragmatic, moral, and recursive.Also, we understand that an appropriatefoundation for regulation and ethics is not somuch ``objectivity' as ``awareness.' In an agewhen ``consumers' are becoming concerned``citizens,' the relevant science must becomepost-normal.     

How Science Contributes to Environmental Reporting in British Newspapers: A Case Study of the Reporting of Global Warming and Climate Change

This article examines the role of science in environmental reporting in a number of British newspapers. The findings indicated that in reporting about global warming and climate change, the views of scientists were used to give legitimacy to the content of articles. However, in both the tabloids and broadsheets, there was little evidence provided, in the form of data, to substantiate the claims being made. Furthermore, uncertainties about global warming were not explored effectively. Newspaper reports tended to focus on the potential consequences of global warming, but made little attempt to address the suspected causes that would inevitably involve criticism of highly consumptive lifestyles in the west.     

广泛开展资源信息科学研究和应用

信息技术的发展和应用 ,推动了社会前进、经济发展和科学技术的进步 ,在人类进入21世纪的今天 ,更加重视信息技术在各个领域的发展和广泛应用。在资源科学领域应用和发展信息技术早已得到资源科学家和信息技术科技工作者的共识 ,并已取得了长足的进展。文中对资源科学的重要分支---资源信息科学及其技术的产生、理论基础以及在资源科学研究中的应用做简要介绍。并指出 ,进入21世纪的资源信息科学应广泛开展与应用紧密结合的研究 ,不但要开发应用现有资源信息技术 ,同时要超前研究和试验国际上的热点问题 ,从而加速实现资源科学研究的现代化     

中国粮食生产发展预测及其保证程度分析

本文讨论了中国粮食生产发展面临的４种严峻困难与挑战。按照中国基本国情及世界市场粮食资源状况，中国必须走粮食基本自给的道路。利用投入占用产出技术及系统科学方法，对２０３０年中国的粮食产量、粮食进口量及自给率进行了预测。     

知识经济及其对云南环境科技的影响

介绍了知识经济及其属性和特点,应用其属性和特点,综合分析了知识经济对环境保护的正负影响,以及云南环境科技创新的机遇和挑战,并就此提出6点建议.     

环境科学论文摘要的体裁分析

学术论文的摘要是关系到论文能否被录用,发表及检索的重要因素。根据美国《化学文摘》收录环境科学论文的100篇摘要,从交际功能的角度对其收录前后进行语篇结构及语言特性进行分析,指出学术论文摘要应用于国际惯例接轨,并为学术论文摘要写作提供了重要的依据。     

我国劳动安全监察机构设置探讨与遏制事故的建议

本文运用实践中的实例，阐述了我国劳动安全监察机构设置中存在的问题和多头分散的安全管理所带来的弊端，呼吁顺应市场经济的发展和伤亡事故多发的趋势，尽快建立一个独立于生产部门的、具有第三者身份的、由国家垂直领导与管理的安全监督检查管理机构，遏制不断上升的事故趋势。