基于人的自私性的生态哲学分析——论生态问题

基于对生态问题的哲学思考,从人性角度分析了该问题,承认该问题的出现是人与自然关系失衡的反映,进一步提出它与人的自私性有关,正是人性中自私的成分在资本、科技等帮助下扩张而伤害了自然。因此可努力挖掘人性更和谐的成分,加以培养,达成社会共识,以指导人们的实践,也作为预防和处理生态问题的根本措施之一。     

秦皇岛市生态城市建设发展战略研究

以秦皇岛生态城市建设为出发点,针对秦皇岛生态城市建设中存在的生态环境问题、环境基础设施问题、产业结构问题、社会系统问题,从生态安全、生态卫生、生态产业、生态景观和生态文化五个方面进行了探讨,从而确立了秦皇岛市生态城市建设的发展战略目标,并从管理、资金、人力资源、技术等方面提出了秦皇岛生态城市建设发展的具体措施。     

面向网络安全的关于僵尸网络的研究

对僵尸网络进行系统全面的分析和研讨,给出了僵尸网络的基本定义、分类、危害和发展过程;深入剖析僵尸网络的功能结构与工作原理,探讨僵尸网络的发展趋势和进一步的研究方向;在总结目前跟踪、检测和防御僵尸网络的最新研究成果的基础上,提出利用僵尸网络产生异常行为的规律性进行行为特征统计分析的检测方法、通过部署蜜罐对僵尸网络进行行为仿真的检测方法和监控僵尸网络流量数据特征的流量数据特征匹配的检测方法;通过对大量的僵尸网络活动的分析,提出了6种有效的防范僵尸网络的措施。     

道路景观生态安全研究

基于道路景观对生态环境的5方面影响,即对生物及生境的影响、对环境的物理影响、对环境的次生影响、对大尺度景观的影响及综合影响,提出保障道路景观生态安全的策略,主要应从道路及其网络规划设计和建设、交通政策、法规的制定与执行、生态工程措施、道路的使用与管理等几个方面加以考虑。笔者认为,要减少和缓解道路对生态环境的影响,环境影响评价是基础、生态道路及其网络建设措施和有效使用管理是手段、制定相关法律法规是依据;同时指出,我国未来应以高速公路的开发建设为契机,在实践中应用并促进道路景观生态安全的研究,带动中国道路建设事业的和谐发展。     

技改项目劳动安全卫生评价方法与问题

介绍了天津钢管有限责任公司技术改造项目劳动安全卫生评价的做法与收获，并对评价过程中存在的问题及解决方法进行了探讨。     

长江流域与长江沿江经济带的特点及应研究的问题

长江流域在中国的经济发展上具有举足轻重的地位,其自然经济特点明显,应从整体上和阶段上研究其开发利用问题。长江经济带是中国经济发展的主轴,要重视长江经济带的生产力合理布局问题,同时一头要联系资源开发,一头要联系环境整治的研究。     

Food Security in the Face of Climate Change,Population Growth,and Resource Constraints: Implications for Bangladesh

Ensuring food security has been one of the major national priorities of Bangladesh since its independence in 1971. Now, this national priority is facing new challenges from the possible impacts of climate change in addition to the already existing threats from rapid population growth, declining availability of cultivable land, and inadequate access to water in the dry season. In this backdrop, this paper has examined the nature and magnitude of these threats for the benchmark years of 2030 and 2050. It has been shown that the overall impact of climate change on the production of food grains in Bangladesh would probably be small in 2030. This is due to the strong positive impact of CO₂ fertilization that would compensate for the negative impacts of higher temperature and sea level rise. In 2050, the negative impacts of climate change might become noticeable: production of rice and wheat might drop by 8% and 32%, respectively. However, rice would be less affected by climate change compared to wheat, which is more sensitive to a change in temperature. Based on the population projections and analysis of future agronomic innovations, this study further shows that the availability of cultivable land alone would not be a constraint for achieving food self-sufficiency, provided that the productivity of rice and wheat grows at a rate of 10% or more per decade. However, the situation would be more critical in terms of water availability. If the dry season water availability does not decline from the 1990 level of about 100 Bm³, there would be just enough water in 2030 for meeting both the agricultural and nonagricultural needs. In 2050, the demand for irrigation water to maintain food self-sufficiency would be about 40% to 50% of the dry season water availability. Meeting such a high agricultural water demand might cause significant negative impacts on the domestic and commercial water supply, fisheries, ecosystems, navigation, and salinity management.     

Anatomy of an ambush: security risks facing international humanitarian assistance

The 2003 war with Iraq has generated security concerns that present unique challenges to the practice of providing international humanitarian assistance during war and conflict. Objective research studies on security management are lacking. However, case studies have proven to be an important education and training tool to advance situational awareness of security risks. These challenges are illustrated by an analysis of the events surrounding the first ambush of, and assassination attempt on, a senior US aid official in Baghdad. Before deployment to conflict areas, especially those characterised by insurgent activity, humanitarian providers must realistically assess the threats to life and to the mission. They must obtain pre-deployment situational awareness education, security training and optimal protective equipment and vehicles.     

环境损失与环境成本评估研究进展、问题及展望

本文在对环境损失与环境成本的基本概念、环境成本评估理论国内外研究进展以厦目前国内外主要采用的环境损失评估方法进行概述分析的基础上，指出当前研究存在的问题，提出以后的研究方向。     

子密钥数据库安全加密算法研究

探讨数据库的加密特点及其加密方法,并详细介绍一种类似DES(数据加密标准)的分组加密算法———子密钥数据库加密算法;同时分析和讨论如何实现数据库加密、解密以及更新;以微软数据库SQLServer2000为例,介绍数据库加密算法的实现过程,该实例应用广泛,在信息管理系统安全、电子商务等领域有很大的借鉴作用。