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pumping underground water
相关语句
  抽取地下水
     Study on technology of pumping underground water by solar chimney
     利用太阳能烟囱抽取地下水的技术
短句来源
     The surveyed subsidence is in accord with the result simulated by using the Granular Displacement Model(GDM). The main factor causing ground deformation is pumping underground water too much.
     观测结果与颗粒位移模型 (GDM )模拟的结果具有较好的一致性 ,说明导致地面形变的主要因素为过量抽取地下水
短句来源
  “pumping underground water”译为未确定词的双语例句
     These are comprehensive reflect resulting from over cultivation denudation,over herd, over mining and over pumping underground water.
     沙尘天气的形成不仅取决于反厄尔尼诺事件对气象的影响 ,更重要的是华北地区大范围的土地沙化 ,总体生态环境的恶化 ,是无节制地滥垦、滥伐、滥牧、滥采、滥用地下水的综合结果。
短句来源
  相似匹配句对
     UNDERGROUND
     地下
短句来源
     The Application of Pumping Flyash Concrete in Underground Works
     泵送粉煤灰混凝土在地下工程中的应用
短句来源
     Pumping Concrete of Steel Fiber and Its Application to Underground Construction
     泵送钢纤维混凝土在地下工程施工中的应用
短句来源
     Study on technology of pumping underground water by solar chimney
     利用太阳能烟囱抽取地下水的技术
短句来源
     Study on the Designing of the Municipal Underground Wastewater Pumping Station
     城市地埋式污水泵站工艺设计研究
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Trough the practice of earthquake prediction we have found that sometimes an earthquake doesn' t occur in the gravity anomaly region or the magnitude of earthquake that has occurred does not corrrespond to the value of gravity anomaly. The main reason of this is related to crust deformation or behavior of undergroud water.In this paper, based on the theory of elasticity and dynamics, the gravity effect associated with the elevation variation, density change and mass migration under the observation point as well...

Trough the practice of earthquake prediction we have found that sometimes an earthquake doesn' t occur in the gravity anomaly region or the magnitude of earthquake that has occurred does not corrrespond to the value of gravity anomaly. The main reason of this is related to crust deformation or behavior of undergroud water.In this paper, based on the theory of elasticity and dynamics, the gravity effect associated with the elevation variation, density change and mass migration under the observation point as well as the relationshipe between gravity of feet and crustal activity are studied. The relationship between the variation of gravity and crust vertical deformation, underground water, precipitation are researched; besides the order of magnitude, time and pattern of the influence are studied in order to obtain the gravitational precursors directly related to earthquakes.Theory and practice have proved that crust deformation caused by pumping underground water or extracting petroleum and gravity changes are linearly related. This paper shows that the effect and influence produced by different aquifers to the gravity changes are also different. Phreatic water is the main factor which causes the gravity changes. The second factor is precipitation which influences the humidity of soil, as a result the gravity changes. The confined water, when there is no pumping, whatsoever the rise or fall of its level almost has no influence on the gravity changes.Observation data of Northern China and areas of South-western China verified the consistency of practice with theory.

Investigationontherelationbetweenthegravityanomaly,crustaldeformationandundergroundwaterXue-FangWU(吴雪芳),Shi-HuaTIAN(田世华)andGu...

Main features of recent vertical land movement in China are studied based on the precise releveling data with about 300,00km over China Mainland,which has been accumulated for more than 30 years.The following conclusions are obtained.(1) Tectonic vertical movments of China Mainland are shown as uplifting in the south and subsiding in the north,strong in the west and weak in the east, these movements are apparently constrained by the Indian and the Pacific plates,the former plays a dominant role.(2) Main features...

Main features of recent vertical land movement in China are studied based on the precise releveling data with about 300,00km over China Mainland,which has been accumulated for more than 30 years.The following conclusions are obtained.(1) Tectonic vertical movments of China Mainland are shown as uplifting in the south and subsiding in the north,strong in the west and weak in the east, these movements are apparently constrained by the Indian and the Pacific plates,the former plays a dominant role.(2) Main features of deformation on intraplate strong earthquake Ms≥6.0 are larger radius of the crustal deformation anomaly(>600km),larger value of deformation anomaly(several times~over ten times),the four-quadrantal distribution in the source areas often,obvious elastic rebound over the whole area of deformation anomaly and residual deformation in the source area after earthquake.(3) earth-surface subsidence is large up to several tens mm/a in developing economic area of China because of over-pumping underground water and the subsidence scope has been increasing.Especialy in the coastal area of China,the surface deformation is more heavy and the height of the surface is losing.So that they have resulted in huge ecomonic loss.In general,this kind of the movement might not back-lift effectly even though the underground water is not pumed i.e.it is only controlled by decreasing the use volume of the underground water but is not back-lifted.

本文利用我国三十多年来积累的近三十万公里精密水准复测资料,研究了我国近期垂直陆地运动的主要特征,即:(1)我国陆地构造性垂直运动的主要特征为"南升北降"、"东弱西强";并且与地形地貌具有一定的相关性,表现为清晰的继承运动性质,从运动量值及等值线的展布方向来看,我国大陆明显地受印度板块和太平洋板块的控制,以印度板块的作用为最强烈;(2)内陆地区中强地震(Ms≥6.0)以上的地震形变的主要特征为:地震形变半径大(>600km),范围广,震源地区形变图象特殊,而且形变值较大,为正常量值的数倍。随着距震中距离的增大,其形变强度也逐步减弱,地震前后的形变在地震形变区域范围内均具有明显的弹性回跳特征,在震源区内也存在一定的剩余形变;(3)经济发达地区的地面沉降及形变日趋严重,现为十几毫米/年~几十毫米/年,由过去的点发展成面,又连成片。尤其是我国东部的沿海地区,沉降漏斗已连成网,地面标高日渐损失,现已表现为一种明显的灾害源或潜在灾害源。这种地面沉降的产生是由于过量开采地下水所致,其运动特点为下沉而不可逆,即使不过量开采地下水,也只能控制沉降而难以使其显效回升。

The study believe the origin of sand dust weather not only depend on the reverse Elnino influencing on the weather, but major cause is large range land into deserting, as well as worse of ecology environment.These are comprehensive reflect resulting from over cultivation denudation,over herd, over mining and over pumping underground water. Now must strengthen state legislation, standard people'code of conduct,pluck up content of science and technology during prevention and control of deserting, so...

The study believe the origin of sand dust weather not only depend on the reverse Elnino influencing on the weather, but major cause is large range land into deserting, as well as worse of ecology environment.These are comprehensive reflect resulting from over cultivation denudation,over herd, over mining and over pumping underground water. Now must strengthen state legislation, standard people'code of conduct,pluck up content of science and technology during prevention and control of deserting, so promotes ecology into good circulation.

华北地区继 2 0 0 0年多次沙尘天气袭扰之后 ,今年仍会发生多次大面积沙尘天气。沙尘天气的形成不仅取决于反厄尔尼诺事件对气象的影响 ,更重要的是华北地区大范围的土地沙化 ,总体生态环境的恶化 ,是无节制地滥垦、滥伐、滥牧、滥采、滥用地下水的综合结果。加大科技含量 ,搞好长期规划 ,安排好短期实施 ,确保治沙实效 ,促进良性生态循环是治本之策

 
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