Getermination of groundwater critical depth in Da'an irrigation canals area for Songnen plain
松嫩平原大安灌区渠系地下水临界深度的确定
The effects of climatic factor,groundwater mineralization rate,soil texture and structure,farmland irrigaiton and drainage upon groundwater critical depth were studied.
探讨了气象因素、地下水矿化度、土壤质地及结构、农田灌排条件等对地下水临界深度的影响。
Causes and countermeasures of deep groundwater worsen in Hebei plain;
河北平原深层地下水环境恶化原因与对策
Study on the experiment of artificial recharge mode for deep groundwater;
深层地下水人工补给模式试验研究
An analysis of deep groundwater and its utilization;
深层地下水及其可利用性分析
Effects of Rice-Based Cropping System,Application Rate of Organic Manure and Ground Water Level on Inorganic Phosphorus Forms in Paddy Soil Derived from Red Earth
不同稻作制、有机肥用量及地下水深度对红壤性水稻土无机磷形态的影响
Advanced treatment of reclaimed wastewater by nanofiltration for groundwater recharge
用于地下水回灌的再生水纳滤深度处理
Spatial distribution and ecological adaptability of wetland vegetation in Yellow River Delta along a water table depth gradient.
水深梯度下湿地植被空间分布与生态适应
Study on Further Treatment of Municipal Wastewater Drainage and Groundwater Recharge;
城市污水深度处理及地下回灌的试验研究
Research of Eco-water Table and Rational Depth of Groundwater of Tarim River Drainage Basin;
塔里木河流域生态地下水位及其合理深度确定
Getermination of groundwater critical depth in Da'an irrigation canals area for Songnen plain
松嫩平原大安灌区渠系地下水临界深度的确定
Chemical transport from soil into surface runoff under different ground-water tables
不同地下水位深度条件下地表径流过程中溶质迁移规律研究
deep tunnel intercepting sewer system
地下深层污水截流系统
Research on Advanced Treatment of Secondary Treated Municipal Wastewater for Groundwater Recharge;
城市污水二级处理出水地下回灌深度处理技术研究
Significance of Groundwater Corrosivity Changes with Depth to Foundation Design
地下水腐蚀性随深度变化研究在地基方案选择中的意义
Spatial distribution of shallow groundwater depth,total dissolved solid and nitrate pollution
浅层地下水埋深、矿化度及硝酸盐污染的空间分布特征
The depth of groundwaterhad fairly greatinfluence to pesticide groundwater contamination.
地下水埋深对农药地下水污染的影响颇大。
The diver was said to have dived as deep as 200 meters
据说潜水员已下潜到二百米的深度。
Research on Hull Sonar Depth Correction of Underwater Target Positioning
舰壳声呐定位水下目标深度修正研究
Preliminary Studies on the Depth Selection of Seepage Calculation on the Infinite Deep Pervious Foundation
大坝无限深透水地基渗流计算深度选取初探
Experiment Research on Reclaimed Water Irrigation under the Conditons of Different Groundwater Depths;
不同地下水埋深条件下再生水灌溉的试验研究
The propagation of these temperature changes into the underground is far deeper than that of the annual temperature variations.
这种温度变化对地下的波及深度远远超过年温度变化的影响深度。
or else they go down as deep as 50 feet to find water.
要么深入到地下50英尺，以得到水分。