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地下水位下降的英文

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"地下水位下降"怎么读用"地下水位下降"造句

英文翻译手机手机版

  • decline of water table
  • depression of water table
  • falling of water table
  • groundwater drawdown
  • groundwater lowering
  • groundwater recession
  • lowering of ground water level
  • lowering of ground water table
  • lowering of groundwater table
  • lowering of water table
  • phreatic decline
  • water lowering

例句与用法

  • Sometimes the shortages are caused by too much water use , ground water levels fall , rivers get dyer and dyer
    有时缺水问题是由于过量用水、地下水位下降、河流变的越来越干涸造成的。
  • The decrease of precipitation and surface water and over - exploitation are the main reasons that result in groundwater level decline
    降水和地表径流的减少以及地下水的严重超采是引起地下水位下降的主要原因。
  • The ecological environment is fragile in jiuquan oasis , such as the desertification aggravating , the underwater table dropping , the meadow depredating etc . in order to solve these problems , the people ' s ideas must be changed in the agricultural production and management ; the animal husbandry must be developed energetically
    酒泉绿洲生态环境脆弱,主要表现在沙漠化加剧,地下水位下降、草场退化等,其自然灾害频繁发生,转变农业经营理念,大力发展畜牧业成为解决这些问题的主要途径之一。
  • How many pumps were turned on should be based on the dynamic design according to project target . and how many pumps should be in operation in standard shut off procedure . it was approved that although the theoretical boundary of decline of groundwater level is 10m , the actual boundary is only about 6m
    提出了一些与真空预压加固地基设计相关的概念和处理方法,如定义真空预压加固区场地形状系数,提出按加固土体体积来确定射流泵数量、根据工程需要动态设计开泵量、增加停泵标准中对开泵量的规定等设计思想等,论证了真空预压加固地基时地下水位下降的理论极限深度为10m ,而实际极限深度约为6m 。
  • The cause of vacuum degree formation under groundwater table is discussed in the paper . the testing results show that vacuum degree above the groundwater table is produced directly by pumping air , and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe . based on the bernoulli equation , the limit lowering of groundwater table is analyzed , which is about 5 ~ 7m . the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m
    对地下水位线以下的真空度成因进行了分析,结果表明,地下水位线以下测到的真空度是由于测试软管中水位下降或部分封存气体从软管末端逃逸引起的,与地下水位线以上的真空度由抽气直接形成在成因上存在不同;根据伯努俐方程,对地下水位下降的极限深度进行了分析,得出真空预压中地下水位的极限下降深度为5 7m ;对有效影响深度的分析结果表明,真空预压的有效影响深度与塑料排水板的打设深度具备一定关系,有效影响深度可以超过10m 。
  • This will provide concrete reference for parameters values which mainly depend on the experiences . according to the selected bp model and related water table depth records and other information , the annual and monthly mean water table depth trends in the future planning year ( 2005 , 2010 ) are forecasted on condition that water saving reconstruction projects are accomplished in the larger scale experimental zone ( jiefangzha ) of hetao irrigation district
    在此基础上根据黄河河套灌区多年的水文、气象和地下水信息,对一个大尺度区域的多年年均地下水埋深变化进行了bp模型的模拟与检验,预测了灌区节水工程实施后未来规划水平年( 2005 , 2010年)年平均、月平均地下水位下降的动态。
  • Meanwhile the ecological problems caused by lack of water are becoming very serious , such as the intermittent of river , the descent of underground water , the degeneration of vegetation , the expansion of desert , the oasis around downstream of black river and stone sleep river which have been the main seminary of dust storm in north china
    水资源短缺将严重影响到区内经济发展和人民生活水平的提高,同时因缺水导致的河道断流、地下水位下降、植被退化、沙丘活化、荒漠化等生态环境问题不断加剧,特别是黑河、石羊河流域下游绿洲退化严重,已成为中国北方沙尘暴的主要发源地。
  • Based on analyzing the water resource situation and water environment problems such as water pollution , ground water table dropping , seawater invading and local water system degradation in shandong peninsula urban agglomeration ( spua ) , this article puts forward some strategies for sustainable water utilization in spua accompanying the rapid urbanization
    摘要在分析山东半岛城市群水资源状况和地下水位下降、海水入侵、水域污染及自然生态失衡等水环境问题的基础上,提出了水资源约束下山东半岛城市群发展对策。
  • Based on the data of the depth to groundwater table below land surface with observational wells in 1975 , 1980 , 1985 , 1990 , 1995 , 2000 of the hebei plain , adopting gis technic and kriging interpolation method , this paper analyzes the spatio - temporal change of groundwater level in the past 25 years in hebei plain
    根据1975 1980 1985 1990 1995 2000年的地下水位观测资料,利用gis技术,采用kriging插值方法,分析了近25年来河北平原地下水位的动态变化过程,揭示了地下水位的时空演变规律,并探讨了地下水位下降的原因。
  • With the increase of population , the development of the urban size , industry and agriculture , the groundwater demand increases sharply . and a series of environmental geologic problems such as regional groundwater table fall , water quality worsening , subsidence and so on , have emerged in the course of exploiting groundwater due to uncontrolled extraction and poor management
    随着人口的不断增长,城市及工农业的迅速发展,人类对地下水的需求量急剧增加,然而由于对地下水资源缺乏正确评价与科学管理,常常盲目扩大开采,造成地下水位下降,水质恶化,地面塌陷等一系列环境地质问题。
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