共查询到20条相似文献,搜索用时 9 毫秒
1.
室内空气监测中的存在问题及对策 总被引:2,自引:0,他引:2
阐述了在室内环境空气监测中关于监测标准的选择和室内空气监测要素的确定,分析了在执行过程标准中和规范监测市场中存在的问题,并就如何改进提出了建议,其目的是提高室内监测服务的质量,确保监测结果准确可靠。 相似文献
2.
随着我国对VOCs监测控制的持续推进,VOCs标准气体的配套应用及其管理思路也面临着新要求和挑战。本文通过梳理我国VOCs类标准气体对涉VOCs企业污染物监测和管理支撑的现状,指出了VOCs监测管理中对标准气体的应用要求尚待细化、已有VOCs标准气体应用不够充分、VOCs标准气体对排放标准实施的精准支撑作用不足等问题。在探究现状与问题的基础上,提出进一步细化VOCs排放监测对标准气体应用要求、加强企业自行监测中VOCs标准气体的应用指导、加强短缺标准气体的研制与应用的建议。 相似文献
3.
4.
5.
6.
对紫外法测定地表水中石油类污染物的三个厂家标准物质的吸收波长、校准曲线、质谱和测定结果进行了对比分析.试验结果表明,不同厂家标准物质的配制成分不同,标准曲线差异大,导致测定结果偏差较大,数据可比性和准确性较差,对石油类监测带来了困扰,建议国家在市售正已烷体系适用于紫外分光光度法测定的有证标准物质的选用上做出明确规定. 相似文献
7.
标准物质是传递准确度的手段,在分析监测中具有标准原器的作用。为了准确分析环境样品或开展监测质量保证活动都必须具有标准物质。日本称标准物质谓测量质量的标尺,美国标准局提出标准物质在准确测量 相似文献
8.
9.
10.
提出了建设项目竣工环境保护验收监测中容易忽视和较难把握的问题,并对存在问题进行了分析,以全面提高建设项目竣工环境保护验收监测工作的质量。 相似文献
11.
12.
新建水泥企业选址问题初探 总被引:1,自引:0,他引:1
水泥企业厂址的选择和确定是其建设的重要环节,其结果将会直接影响项目的建设经营和发展,本文从政策法规、技术经济及环保等层面对目前水泥企业厂址选择中存在的问题及对策进行了探讨分析。 相似文献
13.
基于层次分析法的秦皇岛市垃圾填埋场选址评价 总被引:1,自引:0,他引:1
城市垃圾填埋场场址的选择,受到当地经济、交通、气候条件,自然地理条件,环境保护条件,水文地质工程地质条件等诸多因素影响,是一项十分复杂的工程。本文总结了秦皇岛市现有垃圾填埋场的基本情况、存在问题及其产生原因。鉴于层次分析法在多目标决策分析方面的成效,将其运用到秦皇岛市垃圾填埋场选址评价中,对研究区进行适宜性分区,依次划分为最佳场地区、适宜场地区、较适宜场地区、不适宜场地区。 相似文献
14.
2017年11月,原环境保护部办公厅发布《关于印发重点排污单位名录管理规定(试行)的通知》,对重点排污单位的基本管理要求和筛选条件作出了详细规定。重点排污单位是国家重点监控企业的替代和延续,成为当前排污许可制度尚未完全成熟阶段环境管理的重要抓手。重点排污单位名录聚焦影响环境质量的主要污染物、排污大户和重大风险源,由设区的市级地方人民政府生态环境主管部门确定,有利于压实地方环保责任。在名录制定和使用过程中存在着部分指导性文件存疑、名录重点不突出、部分重点排污单位无法安装自动监测设备、不能满足新的环境监管需求、名录更新时间滞后、缺少罚则等问题,本文就此进行了深入分析并提出了几点建议。 相似文献
15.
16.
Ranjie Hou 《The Environmentalist》1988,8(4):273-279
Summary To solve environmental problems a vast amount of manpower, material and financial resources has been spent. Some people consider that this is necessary, and a reasonable price which human beings must pay for development, especially industrialisation. Maybe it is true. But can people solve the environmental problems of developing countries better when they have learned the experiences and lessons of developed countries? One possible way is proposed in this paper, which makes a special reference to the real situation in China. The fundamental idea is to develop and apply appropriate technologies in the phase of national industrialisation. This will help developing countries to achieve desired environmental effects more economically. The appropriate technologies mentioned in the paper are of two kinds: appropriate industrial production technologies and appropriate environmental technologies. The development of the former will help to reduce environmental pollution and other problems caused by industrialisation. The development of the latter will enable developing countries to keep an acceptable environmental quality within a controlled cost. In the paper the definition of appropriate technologies is clarified, and the criteria for the selection and evaluation of appropriate technologies are proposed. The possibility of a realisation of developing the economy and protecting the environment at same time is then analysed. The conclusion is that development and application of appropriate technologies is an optimal strategy when the real conditions of developing countries like China are considered. Finally, some of the initial appropriate environmental technologies which should be developed are suggested.Professor Ranjie Hou has recently been working as a Research Fellow at the Alexander von Humboldt Foundation in Karlsrube University, Federal Republic of Germany. 相似文献
17.
Methods for speciation of metals in soils: a review 总被引:1,自引:0,他引:1
18.
Multiobjective Assessment of Multipurpose Water Resources Projects for Developing Countries 总被引:1,自引:0,他引:1
Multiobjective assessments of water resource projects are useful for widening the range of impacts that are considered during the process of project planning and selection. Some of the principles and problems associated with multiobjective analyses are reviewed, as are several relatively simple information display techniques and approaches found applicable to conditions in many developing countries. These techniques can be used where data and technical expertise are limited, and where it is not possible to identify and quantify all economic, environmental or social objectives and their trade-offs during the search for the best compromise decision. 相似文献
19.
20.
Van Leeuwen S 《Environmental management》2004,33(2):163-172