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- Slow degradation of ground water quality may result from repeated use. 循环使用地下水可以导致缓慢的水质降低。
- Article 43 In exploiting ground water from multiple aquifers, layered exploitation shall be resorted to if the water quality differs greatly from one aquifer to another. 第四十三条 在开采多层地下水的时候,如果各含水层的水质差异大,应当分层开采;
- Article 43 In exploiting ground water from multiple aquifers,layered exploitation shall be resorted to if the water quality differs greatly from one aquifer to another. 第四十三条在开采多层地下水的时候,如果各含水层的水质差异大,应当分层开采。
- Results showed that EDDS addition could improve plant Cu, Zn and Pb uptake by Elsholtzia splendens, but didn't significantly affect the ground water quality. 中国科学院南京土壤研究所土壤与环境生物修复研究中心南京210008土壤与农业可持续发展国家重点实验室(中国科学院南京土壤研究所);
- Through analyzing the surveying data of shallow groundwater quality of Datong Basin,we can known that these integrating factors have reflected ground water quality. 通过对盆地浅层地下水水质实测资料的分析,了解了这些因素综合影响着地下水水质。
- The optional management plan presents the recommendations of demarcation of river water and ground water quality for supplying in order to improve the utilization ratio of water resources. 在优化管理方案中提出,对河水和地下水实行分质供水,以提高水资源的利用率。
- Water resources applications software is listed alphabetically and grouped into the following categories: Ground Water, Surface Water, Water Quality, General Use, Statistics &Graphics. 水资源应用软件是按字母索引排列的,分为以下四类:地下水软件、地表水软件、水质软件、常用软件、统计与制图软件。
- Main ly is suitable for the ground water deeper,the ground water and the soil content is lower,the irrigation water quality is better,most soil layer water permeability moderat area. 主要适用于地下水较深,地下水及土壤含盐量较低,灌溉水质较好,湿润土层透水性适中的地区。
- This article analyses quality features of ground water of Qiqihar city on the basis of monitoring data of ground water,and assesses grourd water quality with comprehensire index method. 本文根据地下水水质监测资料,分析了齐齐哈尔市地下水水质特征,并应用综合指数法进行了地下水水质评价。
- Conclusion The ground water in Tongzhou has been contaminated, especially the shallow layer ground water, more attention must be paid to improvement of drinking water quality in these villages. 结论通州区农村地下水质受到不同程度的污染,亟待改善。
- The quality of the ground water made some improvement. 地表水水质有所改善。
- Quality Control of Volatile Hydroxybenzene in Ground Water Quality Monitoring 地下水环境质量监测中挥发酚的质量控制
- Developmental Thinking about Ground water Quality Survey of Shaanxi Province 陕西省地下水水质监测发展探析
- Evaluation of shallow ground water quality fluctuation on electrical logging data in Yellow River delta 用电法测井资料评价黄河三角洲浅层地下水水质变化
- The Study on Evaluating Methods for Well-irrigation to Affect the Ground Water Quality on the Plain 平原区井灌对地下水水质影响评价方法研究
- The Application of Grey Forecasting Model GM (1,1) in Forecasting Ground Water Quality 灰色预测模型GM(1,1)在地面水质预测中的应用
- Keywords ground water quality;the unascertained measure;comprehensive evaluation;the credible degree identification; 地面水水质;未确知测度;综合评价;置信度识别;
- Who sets the standard for water quality? 水质标准由谁来制定?
- The plain water quality is very poor. 原水质很差。
- Article 45 Artificial recharge for ground water may not deteriorate the quality of ground water. 第四十五条 人工回灌补给地下水,不得恶化地下水质。