超滤膜处理火电厂废水的工业性试验研究

结合现场中试探讨了超滤作为反渗透预处理工艺的可行性，确定了超滤工艺处理某火电厂废水的基本参数，研究了超滤膜的恢复及效果，并且提出了系统设计的相关建议，对工业系统设计具有指导意义。     

土-地下结构的非线性动力相互作用——理论及应用

基于土-结构动力相互作用理论，阐述了土-地下结构非线性动力相互作用的基本原理及其建模方法。根据这一方法，对1995年日本阪神地震中震害最为严重的大开地铁车站进行了成灾机理有限元数值模拟分析。分析结果表明：在地震动作用下，车站结构顶板与侧墙的交叉部位，和中柱的顶底端首先发生弯曲破坏而形成塑性铰，使得顶板上覆土的大部分重量传递到由中柱来承担；在由顶板破坏后传来的上覆土重力和地震动在中柱中引起的压应力的共同作用下，中柱发生压曲和弯曲的双重破坏，导致中柱倒塌，进而导致车站顶板塌陷；同时还表明，水平向地震作用仍是造成大开地铁站结构破坏的主要因素。     

对地铁工程风险评估体系框架的研究

地铁工程同一般建设项目相比,受不可预见的水文地质条件、社会环境、施工技术的可靠度、经济发展的程度等多方面因素的影响较重;就必然使地铁工程成为高风险的工程建设项目,然而目前对其风险评估工作还停留在简单的定性和定量的评估水平上。为此,笔者在研究系统论的基础上,从动态系统风险评估的观点出发,运用动态控制的原理,着重研究适合于地铁工程风险评估体系的理论框架,及建立理论框架时应考虑的诸多问题;同时对动态系统风险评估、评价因素可靠性分析技术、各种风险评估方法及评估技术的运用做了简要论述。该框架体系不仅适用于地铁工程的风险评估,同样适用于其他复杂的工程系统的风险评估评价。     

可移动危险源动态安全监控的探索与展望

简述近年来可移动危险源的严重事故及惨痛教训,究其重要原因之一就是缺乏对可移动危险源的动态安全监控,指出开展可移动危险源动态安全监控的迫切性;从而对建立可移动危险源动态安全监控体系的指导思想与功能设计进行了比较深入的探索,利用全球移动通信系统(GSM),全球定位系统(GPS),地理信息系统(GIS)和计算机网络技术相结合,对可移动危险源实施动态安全监控,以实现对其严重事故的有效控制,并对完善可移动危险源动态安全监控体系作了进一步的展望。     

矿井电网动态安全分析系统的研究

随着国民经济的迅速发展,各行各业对煤矿资源的需求越来越大,然而矿难事故的频繁发生,煤矿安全已成为迫切需要解决的首要问题。笔者针对目前的矿井供电系统存在的不足而导致的安全隐患问题,进行了深入的理论研究和技术分析。根据煤矿供电系统的实际情况,对其供电系统的动态安全分析问题进行了较全面的探讨和论述;介绍了矿井电网动态安全分析系统的功能要求、主要组成部分和结构;对各部分的实现和需要注意的问题进行了分析;给出了矿井电网动态安全分析系统的框图及系统最终要反映的信息要求。     

炼油污水的深度处理

对炼油污水深度处理常用技术——过滤、膜分离、化学氧化技术进行了详细的论述，并结合中试试验，对动态砂滤系统、PAN膜处理系统和高级氧化系统处理炼油厂二级排放水的适用性进行了论证。     

客户关系生命周期管理及其策略

客户关系生命周期理论的提出对服务经济时代的企业产生了巨大的影响,该理论在强调了客户关系存在周期性的同时,也提出了对客户关系应当进行阶段性管理;阐述了客户关系生命周期理论,并在此基础上提出了客户关系动态发展模型,旨在帮助管理人员更清楚地认识到客户关系的长期价值和对客户关系的各个阶段进行良好的管理.     

昆明市医疗废物的焚烧处理

医疗废物含有大量传染性物质,导致污染的可能是各种病菌和寄生虫卵等,是高度危险废物,必须进行无害化处置.针对昆明市医疗废物的现状,根据国内外先进的管理和处理模式,结合昆明市实际情况,采用焚烧实验炉焚烧昆明市医疗废物,医疗废物无须进行预处理,能直接进行焚烧.实验证明,高温焚烧可彻底清除医疗废物中的病菌及恶臭气体,保证医疗废物的无害化处理.     

Using empirical models of species colonization under multiple threatening processes to identify complementary threat‐mitigation strategies

Approaches to prioritize conservation actions are gaining popularity. However, limited empirical evidence exists on which species might benefit most from threat mitigation and on what combination of threats, if mitigated simultaneously, would result in the best outcomes for biodiversity. We devised a way to prioritize threat mitigation at a regional scale with empirical evidence based on predicted changes to population dynamics—information that is lacking in most threat‐management prioritization frameworks that rely on expert elicitation. We used dynamic occupancy models to investigate the effects of multiple threats (tree cover, grazing, and presence of an hyperaggressive competitor, the Noisy Miner (Manorina melanocephala) on bird‐population dynamics in an endangered woodland community in southeastern Australia. The 3 threatening processes had different effects on different species. We used predicted patch‐colonization probabilities to estimate the benefit to each species of removing one or more threats. We then determined the complementary set of threat‐mitigation strategies that maximized colonization of all species while ensuring that redundant actions with little benefit were avoided. The single action that resulted in the highest colonization was increasing tree cover, which increased patch colonization by 5% and 11% on average across all species and for declining species, respectively. Combining Noisy Miner control with increasing tree cover increased species colonization by 10% and 19% on average for all species and for declining species respectively, and was a higher priority than changing grazing regimes. Guidance for prioritizing threat mitigation is critical in the face of cumulative threatening processes. By incorporating population dynamics in prioritization of threat management, our approach helps ensure funding is not wasted on ineffective management programs that target the wrong threats or species.     

From Valuation to Governance: Using Choice Experiment to Value Street Trees

This paper reports a choice experiment used to estimate the value of street trees in the city center of Lodz, Poland, and the broader context of how valuation results helped to improve governance of urban ecosystem services in this city. Based on a simplified inventory of trees, we prepared a set of hypothetical programs which put varying emphasis on the different ways to increase the numbers of trees, along with different levels of a hypothetical tax that would have to be paid by respondents to implement a given program. Our study indicated that the 351 surveyed Lodz residents were willing to pay the highest price for greening those streets where currently there are few or no trees and confirmed the general importance of planting trees. The results provided an argument in the debate on the new development strategy for the city and helped to promote the concept of ecosystem services.