浅层地下水
- 网络shallow groundwater;shallow ground water
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基于GIS的黄河三角洲地区浅层地下水开发潜力评价
The GIS-Based Exploitation Potential Evaluation of Shallow Groundwater in the Yellow River Delta
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基于GIS的苏锡常地区浅层地下水系统防污染性能评价
Evaluation on pollution-proof performance of shallow groundwater system in Su-Xi-Chang Region based on GIS
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北京城近郊区浅层地下水环境地球化学GIS系统及其应用
The Environmental Geochemistry GIS of Shallow Groundwater in the City Zone and Close Suburb of Beijing
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基于GIS的鄂尔多斯白垩系盆地浅层地下水水质分布规律研究
A study of shallow groundwater quality distribution in the Ordos Cretaceous Artisan Basin based on GIS
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天津市浅层地下水Pb污染研究
Research on Lead Pollution of Shallow Groundwater in Tianjin City
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基于GIS的吉林省西部平原区浅层地下水防污性能评价
Assessment of antipollution capacity of shallow groundwater in the plain area of western Jilin province based on GIS
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浅层地下水中的氟与pH之间具有正相关关系,与硬度则具有负相关关系。
It is positive correlation between fluorine and pH , and negative correlation between fluorine and hardness in shallow groundwater .
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因此,BP神经网络评价法更适合洞庭湖区浅层地下水环境质量评价。
Therefore , BP neural network evaluation method is more suitable for shallow groundwater environmental quality assessment of Dongting Lake .
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利用DRASTIC指标体系评价安徽省淮北平原浅层地下水脆弱性
Evaluation of vulnerability of shallow groundwater in the Huaibei plain with DRASTIC index system
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矿物组成特征研究表明,蛋白石坡缕石层的矿物组分(Si、Mg、Al)来源于盆地周围玄武岩淋滤的浅层地下水。
It is proposed that the components for the minerals ( Si , Mg , Al ) were supplied by shallow groundwater that is from surrounding basalt .
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关中盆地浅层地下水CFC年龄的计算
CFCs age calculation of shallow groundwater in Guanzhong basin
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CFCS法在鄂尔多斯白垩系地下水盆地浅层地下水年龄研究中的应用
Application of CFC_S Methods in Dating Shallow Groundwater in the Ordos Cretaceous Groundwater Basin
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气田开发对浅层地下水环境的影响主要来自采输气田水,主要污染因子为COD、硫化物和氯根(Cl-)。
The main pollution sources of shallow groundwater are gas-field water in the gas-field exploitation process . The pollutants mainly include COD , sulfides and Cl - .
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污水灌溉对浅层地下水已产生一定程度的影响,COD、NO3&N等9项污染物含量均高于清灌区。
The ground water in shallow land is polluted , The contents of nine kinds pollutions-COD 、 NH_3-N et al . are higher than clean water irrigation area 's.
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本文针对长江三角洲某地区3个城市(C市、W市、S市)浅层地下水的单环芳烃进行了研究。
The paper deals with the study of monocyclic aromatic hydrocarbon ( MAH ) in shallow groundwater in three cities ( C , W and S ) in an area of the Yangtze River delta .
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利用CFC研究地下水混合作用&以关中盆地浅层地下水为例
Identifying the Binary Mixing of Groundwater & an Example as Groundwater in the Shallow Aquifer of the Guanzhong Basin
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ASAR数据与ETM+图像融合探测干旱区浅层地下水的应用
Application of Combining ASAR and ETM + data Technology to Detect Shallow Groundwater
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结论该河沿岸居民的PHC的主要危险因素有:个人肝病史、饮酒和PHC家族史,距离该河越近的饮用水水质越差,这可能是离河岸近的浅层地下水易受污染所致。
Conclusion The above results suggest that major risk factors are drinking water , history of liver disease , liquor drinking and family history of PHC .
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本文将市区的浅层地下水硬度作为灰色量,用已有的硬度数据建立GM(1,1)灰色模型,预测其未来的变化趋势。
In this paper , the hardness of the shallow groundwater was treated as a grey variable and the GM ( 1,1 ) grey model was created to predict the future trend of the change in hardness .
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这些残留的硝态氮一部分可能被下季作物吸收利用,一部分淋洗到深层次甚至浅层地下水,一部分发生反硝化以N2O或N2的形式逸出土壤。
Some of residual nitrate may be taken and used by next crop , some may be leached into deeper soil layer , even superficial groundwater , and others may be transformed into N_2O or N_2 and emitted into atmosphere from soil .
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航天飞机SIR-C数据对内蒙古额济纳旗北部浅层地下水的探测分析
Analysis of Shallow Ground-water Based on SIR-C Data in North Ejin County of Inner Mongolia
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根据湛江市浅层地下水水文地质状况,在特定情况下对DRASTIC模型进行合理简化,选取包气带岩性、厚度与结构、地形作为评价因子,并利用GIS技术编制浅层地下水防污性能分区图。
According to particular conditions of Zhanjiang city 's hydrogeological condition , DRASTIC model is simplified specifically and zone of aeration ( thickness , lithology , structure ) as well as topography is selected as assessment factors of shallow groundwater .
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污灌10d之内,由于淋溶和硝化作用产生的NO-2、NO-3会造成浅层地下水的严重污染。
During ten days of irrigation , NO - 2 and NO - 3 arisen from leaching and nitrification bring about serious pollution in the shallow groundwater .
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浅层地下水水化学现状、地下水14C同位素、地下水动力场也提供了浅层地下水淡化的证据。
The chemical compositions , ~ ( 14 ) C isotope of the groundwater and the dynamic field of the shallow aquifer also provide evidence for the freshening of the groundwater .
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利用航天飞机3号SIR-C数据对额济纳旗北部中-蒙交界处浅层地下水的分布与形成原因进行研究,分析了在SIR-C图像上呈亮条带的机理。
Using shuttle imaging radar SIR-C data , the authors studied the distribution and formation of shallow layer ground-water in China-Mongolia boundary .
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某城市工业区浅层地下水CAHs污染特征地中海沉积物中的的氯化烃浓度
Characteristics of chlorinated aliphatic hydrocarbons transported to shallow groundwater in the industrial area of a city
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对地下水、海水及大气降水的δD~δ18O方程进行数理分析后表明,大气降水是厦门沿海浅层地下水的主要来源。
The δ D ~δ 18 O relationship of different water were compared by using mathematical statistics methods , which shows that the meteoric water is the main source of shallow groundwater of Xiamen Island .
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接近地表的浅层地下水(Q4)样品量仅有5个,但是其氯同位素组成却有正值也有负值,氯同位素变化区间为-0.41‰-0.19‰。
There are only five samples in superficial aquifer ( Q4 ), but the chlorine isotope value ( CIV ) is not only positive but also negative . The interval is 0.41 ‰ - 0.19 ‰ .
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研究了渤海SZ36-1海上油田采油污水和注入水(浅层地下水,清水)混配时产生黑色絮状悬浮物的原因。
The causes for creation of black floccules in the mixture of produced water and fresh injection water ( shallow formation water ) at offshore oil field SZ36-1 , Bohai , are investigated .
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东北季冻区浅层地下水对路基的影响
Impacts of upper water underground on roadbase in northeast cold areas