non-point source造句
例句与造句
- Point source pollution and non - point source pollution are always the two important problems of the water environmental quality . point source pollution mainly includes industrial sullage and city ' s life sullage , which are drained from the certain outfall
点源污染和面源污染一直是水环境质量的两大问题，点源污染主要包括工业污水和城市生活污水，通常在排污口集中排放。 - By the analysis on the status of severe increase of the contribution and harm from terrene non - point sources pollution in the merine environment of china , the need to research and develop the monitoring tracking technology of pollutans source was emphasized
摘要通过对我国近岸海域陆源性非点源污染污染贡献率及其危害性剧增现状的分析，强调了在我国开展污染源示踪检测技术研发的必要性。 - Based on investigating numerous references in literature both at home and abroad , collection of statistical data and field survey , this paper conducts a primary study on pollution control of agricultural non - point source by means of riparian buffer in shanghai for the first time
本研究选取了上海松江泗泾镇古楼村为示范区，从2002年4月到2003年12月，在上海首次进行了农业面源污染控制的滨岸缓冲体系的初步研究。 - Water is always the main factor not only during the course of soil eroding but also during the process of non - point source pollution moving . so hydrological process of watershed is the central problem in the study of soil erosion and non - point source pollution with watershed in scale
无论在流域侵蚀产沙过程中，还是在非点源污染运移过程中，水都是主要因素，所以在以流域为尺度进行土壤侵蚀研究和非点源污染研究时，流域的水文过程是研究的主要问题。 - This study has designed and built non - point source pollution spatial database of the three - gorge reservoir area in chongqing based on geodatabase and case tools . the study has also workout the corresponding metadata standard and built non - point source pollution metadata . at last . this study assessed the non - point source critical area applying environmental model
本文基于geodatabase数据模型应用case工具设计、建立了重庆市三峡库区农业面源污染空间数据库，编制了相应的元数据标准并构建了重庆市三峡库区农业面源污染元数据，最后就三峡库区的农业面源污染应用环境模型进行了危险性评价。 - It's difficult to find non-point source in a sentence. 用non-point source造句挺难的
- The outcomes show that the two methods can separate the basin pollution load from different sides , the two separation results are close to each other and can be provided as references for drafting pollution prevention policies and ; the proportion of the two pollution loads in the basin is more or less the same , point source is slightly heavier in a dry year and the proportion of non - point source pollution is greater in a wet year
结果表明，两种方法可以从不同的侧面分别对流域污染负荷进行分割，且两者分割结果相近，可以为流域污染防治政策的制定提供参考；流域内两类污染负荷所占比重大体相当，枯水年点源污染比重略高，而丰水年非点源污染比重较大。 - Hang - jia - hu water - net plain is the primary grain production base of zhejiang province . with a high population and intensive land utilization , agricultural non - point source pollution is extremely serious in this region . animal wastes , household cleaning products , farmland runoff and leakage mainly contribute to the anpsp
杭嘉湖水网平原地区是浙江省主要的商品粮基地，土地利用强度大，人口稠密，农业面源污染严重，其中畜禽粪尿、生活污染、农田径流和渗漏是该地区三大主要的农业面源污染源。 - To strengthen basins , non - point source pollution control , put the control into practice , build monitoring system online for pollution source , construct pollution treatment project , carry out research on oxygenation and direct - cleaning in lake or river , set up three gorges reservoir water pollution control laws and region regulations , deal with properly the ex - development between resource exploitation and environment prevention , and walk on the sustainable development road are important measures
针对已发生和潜在的水环境污染问题，提出了加强流域非点源污染的管理、实施总量控制、建立污染源在线监测系统、立项建设污染治理工程、开展河湖水域接触氧化直接净化技术的科研和实践、制定《三峡库区水污染防治法》地方法规、正确处理资源开发与环境保护协调发展的关系、走可持续发展道路等多项防治对策与建议。 - Building non - point source pollution spatial database of the three - gorge reservoir area can not only know about the background , status and rule of non - point source pollution and assessing non - point source critical area and calculating pollution load but also provide the scientific dependent for bringing forward quantity control goal and establishing control stratagem of non - point source pollution of the three - gorge reservoir area
建立三峡库区农业面源污染空间数据库不仅可以查清三峡库区农业面源污染的背景状况、现状、规律和三峡水库水体污染现状及其容量，进行危险性评价，确定三峡库区水体的污染负荷，而且可以为提出三峡库区面源污染物总量控制目标并制定三峡库区农业面污染控制战略提供科学依据。 - In the present paper , a complete attribute and spatial database on anpsp is designed and created in three different levels of scale , hang - jia - hu plain ( 1 : 250000 ) , pinghu city ( 1 : 50000 ) , and field experiment ( 1 : 2000 ) . based on the gis technique , especially webgis technique ( arcims , arcsde ) , an agricultural non - point source pollution information system ( anpspis ) has been established in order to serve the management , planning and decision - making of anpsp in hang - jia - hu water - net plain
本文以太湖流域杭嘉湖地区的1 250000 (杭嘉湖平原) 、 1 50000 (平湖市) 、 1 2000 (样板区)三种不同比例尺的系统研究为例，建立了一整套农业面源污染的属性和空间数据库，通过利用gis及其相关技术，特别是webgis技术( arcims 、 arcsde )的应用，建立了一个基于webgis的农业面源污染信息系统( anpspis ) 。 - Non - point source pollution metadata of the three - gorge reservoir area in chongqing not can only help manage and maintain huge data , set up data document , know about data items of the non - point source pollution study in three - gorge reservoir . provide data format , projection , scale , etc . , but also can provide effective way and technicle means for spare data and comm
从评价结果中可以得出重庆市三峡库区面源污染危险性高和较高的区域占全库区面积的3 . 71 % ，危险性中等的地区占整个流域面积的6 . 76 % 。
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