我国土壤污染防治立法研究

我国目前在土壤污染防治方面不仅没有专门性单行法律、法规,而且在《环境保护法》等法律、法规中也只有些零散规定,防治土壤污染的法律基本上是一项空白,缺乏系统的、可操作性的具体法律制度。立法的缺乏直接导致环境管理权的缺乏,这与土壤污染的严峻形势及其防治的实际需要很不相适应,在土壤污染防治问题的原因分析中,几乎都将政策与法律的缺失问题作为最主要原因之一。为了使土壤污染防治有法可依,需要健全和完善土壤污染防治法律、法规体系,目前,最亟需制定的是一部综合性的土壤污染防治的法律,对我国土壤污染防治的目的、基本原则、管理体制和主要制度作出规定。     

Decentralisation and corruption: evidence from drinking water sector

This article presents empirical findings regarding the relationship between decentralisation of provision of water supply and corruption in provision of services. The current policy advice from the international agencies of aiming for decentralisation as an end in itself is questioned. The conventional wisdom that decentralisation brings management closer to the service recipients and is therefore likely to reduce corruption is also disputed. Drawing on a large database from two large Indian states of Madhya Pradesh and Chhattisgarh, the interaction between various actors is analysed. We find that the level of corruption in water supply agencies run by local governments is higher than that in the agencies run by the regional government. Copyright © 2008 John Wiley & Sons, Ltd.     

物证污染的防范

物证污染是影响物证鉴定结果的重要因素之一，它会损害物证鉴定结论质量甚至造成错误的鉴定结论。物证污染可能发生在犯罪现场或实验室，采取适当的污染防范措施可以有效降低物证污染发生的可能性，及时监测和发现物证污染可以将污染造成的危害降到最低。     

城市供水安全分析及对策研究

城市供水是城市基础设施的重要组成部分,供水安全直接关系到城市的发展水平。随着我国城市化战略的加快实施,在水资源紧缺、水质污染加剧、突发水污染日益频繁的形势下,城市供水安全问题已不容忽视。本文分析了我国城市供水存在的主要问题,并以开源节流加强保护为原则提出了安全保障对策。     

Test of chlorine wipes for efficient removal of DNA from forensic genetics laboratories

Sodium hypochlorite is an efficient reagent for removal of unwanted DNA from laboratory surfaces. Here, we tested two different chlorine wipes and compared their performance to a 0.9–1.8% hypochlorite solution. WipeClean Chlorine Disinfection wipes contain > 0.1 g sodium hypochlorite/kg, whereas WetWipe Chlorine Desinfection wipes contain > 1000 ppm active chlorine. Clean surfaces were contaminated with 10 µL 0.5 ng/µL of massively parallel sequencing libraries. The DNA was dried and left for 45 min before any treatment. The surfaces were cleaned using either 1) a 0.9–1.8% hypochlorite solution and clean wipes, 2) a WipeClean wipe, 3) a WetWipe, or 4) the surface was not cleaned. All experiments were repeated three times. Subsequently, the surfaces were swabbed using cotton swabs. DNA was extracted from the swabs and the DNA concentrations were determined in quadruplicates by real-time PCR. This protocol was repeated after the soft plastic wrapping around the wipes were left open or closed for several weeks. The results showed that the WipeClean wipes efficiently removed DNA for up to four weeks after the box with the wipes were opened, whereas the WetWipe wipes dried faster and gradually lost their cleaning effect.     

论现行法律关于水资源环境信息管理体系的规定

关于环境信息的收集、处理、交流和使用的法律规定是环境法的重要组成部分。由于水资源与经济发展和人民生活息息相关,加强和完善有关水资源的信息管理体系的任务显得尤为迫切。本文查证我国有关水资源的法律中关于环境信息的收集、处理、交流和应用的法律规定并分析其实施情况。在这种查证和分析的基础上,本文对如何完善我国水资源环境信息管理体系提出了若干建议。     

The Application of Flow Cytometry as a Rapid and Sensitive Screening Method to Detect Contamination of Vitreous Humor Samples and Avoid Miscalculation of the Postmortem Interval

Research into maximizing the speed, precision, and reliability of estimating the postmortem interval (PMI) has been a recurring object of investigation and methodologies based on the vitreous humor (VH) have provided good results. However, contamination from causes not readily apparent, such as blood, can occur, and thus lead not only to an erroneous estimation of PMI, but also interfere with the correct identification of other substances in the VH. We have developed a flow cytometry method which quantifies blood contamination and is able to detect erythrocytes in 1:750,000 dilution of contaminated VH which affects the results of hypoxanthine. It is an improvement on the previous more complex mass spectrometry method, being faster, more sensitive, and readily available. As such, it could be proposed for the rapid screening of appropriate samples by detecting and eliminating blood contaminated samples from PMI estimation.     

集雨工程应走向城镇

水资源紧缺已成为世人共同关注的全球性问题。近年来 ,我国北方农村实施集雨工程 ,收到了明显的效果。鉴此 ,本文主张将农村集雨成功的经验向乡镇、城区推广 ,城乡同步实施集雨工程 ,开发利用天然的水资源。这也是一条缓解我国乃至世界水资源紧缺的有效途径。这项工程费时短、耗资少、见效快。只要实施起来 ,就能使城乡水资源紧缺的问题得到缓解。     

关于搞好我省水土保持与走可持续发展道路的思考

我省水资源枯竭与水土流失的现实严重制约着城乡经济的发展。搞好水土保持是我省全面建设小康社会、走可持续发展之路的必然选择。     

论我国饮用水源保护法律调控的基本指导思想

因世界性饮用水源紧缺和污染所导致的饮用水源危机,不仅严重威胁着人们的生命健康和生存,而且随时可能引发国际政治问题。因此,饮用水源的保护被提上了世界各国的议事日程,并成为国际社会共同关注的焦点。可持续发展战略作为一种新的发展模式,是当代人类的普遍共识。本文在分析的基础上提出我国饮用水源保护立法应当以可持续发展为基本指导思想,以期对完善或创新我国饮用水源保护法律调控的理论和实践提供依据和思路。