Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数,甚至可以确定地下水面以上水份分布。
Around the pumping Wells and within the limit of a funnel-shaped ground water surface, not only vertical movement, but also horizontal compression and dilatation can be observed.
抽水所造成的地下水漏斗区范围内,不仅能产生垂直形变,而且在其影响的不同部位,还形在压缩和拉伸的水平形变。
If the burst does not penetrate the surface, the only other hazard will be from ground or water shock.
如果爆炸没有穿透表面,那么地面或水面冲击是唯一能够带来伤害的。
A huge amount is in polar ice, which adds up to 1.7 per cent. A further 1.7 per cent lies in ground water deep beneath the land's surface.
有大量的淡水存在于两极的冰盖中,占到水总量的1.7%,还有1.7%是地下水。
Excess water at the surface is siphoned down to replenish ground water, which is then pumped back up for use as necessary.
地表多余的水被虹吸下去,用于补充地下水,然后地下水被重新抽上来用于必要的用途。
Traditional geothermal plants exploit natural systems in which water seeps down into porous rocks in the ground and emerges back at the surface at a high temperature.
传统的地热发电厂利用了这样一种自然系统,即水分下降至地壳的渗透岩层中,而后又受热蒸腾到地表。
GSHP can be subdivided into groundwater heat pump (GWHP), ground-coupled heat pump (GCHP), and surface water heat pump (SWHP).
地源热泵系统包括地下水热泵系统、土壤源热泵系统和地表水热泵系统。
Ordinary meteoric water is water that has soaked into the ground from the surface, from precipitation (rain and snow) and from lakes and streams.
一般的降水是指从地表渗透至地下的水,包括雨水(雨和雪)和来自湖泊、溪流的水。
Subsurface pipe drainage in drought-prone region is superior to surface drainage in draining off water and salt, controlling ground water-level, and increasing crop output, etc.
以明沟排水为对照,论述了内陆干旱重盐碱区暗管排水在排水排盐、控制地下水位、提高土壤脱盐效果及提高作物产量等方面的优越性。
The quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。
According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
They have also learned how to better preserved the precious surface water by using the thin film to cover the soil so that the evaporation of the moisture from the ground can be minimized.
他们也学会了用薄膜盖住土地,这样可以最大程度地防止水分的蒸发,以达到保持住弥足珍贵的地表水的目的。
At the same time, once the surface water infiltration wall in soil, can be discharged through the masonry quickly, effectively reduce the ground water level.
同时,地表水一旦入渗墙后土中,则可以通过砌体较快地排出,有效降低地下水位。
The observation results of the bridge head experimental site of Jialichen Bridge are analyzed such as vacuum degree, ground water table, flowrate, pore water pressure and surface settlement.
通过对浃里陈大桥桥头试验段的真空度、地下水位、流量、孔隙水压力、地表沉降等现场监测结果的分析;
The exploitation of ground water in Ningbo City is of exploiting type, and therefore, the surface subsidence is initially associated with exploitation quantity of groundwater in time space and degree.
宁波市地下水为消耗型开采,在时间、空间和程度上,地面沉降与地下水开采量有极密切的关系。
The distributing trend of soil moisture contour map in under soil is rising up from bottom to surface, which indicates that ground water level has no influence on soil moisture variation.
下部土壤含水率等值线分布由底部向上都呈递增趋势,表明本次试验土壤水分动态变化不受地下水位的影响。
Marble karst development in Da-hong-shan mine caused a great deal of water bursting in mine shaft, sharply lowering ground water and large scale of surface subsidence.
大红山矿大理岩岩溶发育,由于突水造成井下大量涌水,同时引起地下水位急剧下降,引发了较大范围、较大规模的地面塌陷。
Port facilities construction and renovation contribute to surface and ground water contamination and air pollution from asbestos, lead-based paint, dust, sediments, PCBs and petroleum hydrocarbons.
港口设施的建设和改造,而造成地下水污染和对空气的污染是来自石棉、含铅的油漆、灰尘、沉淀物、多氯联苯、石油碳氢化合物等。
Nitrogen may cause non_point pollution in water in forms of eutrophication in surface waters and high nitrate concentration in ground water.
氮素流入对水域的污染为非点源污染,主要导致地表水的富营养化、地下水硝酸盐含量过高等。
The most incredible thing in fact is, that it can move on the ground, on the surface of water and even in the air when something emergent happens.
其实它最让人不可思议的是,如果遇到紧急情况,能够在地面,空中或水上行驶。
By means of the analysis of the quality of the surface water and ground water in the syncline core above the tunnel, the flow modes of the surface water and ground water in the syncline are discussed.
通过向斜核部地表、隧道内涌水点的水质分析,对隧道上方向斜地面地下水的径流模式进行了初步探讨,明确了在向斜核部、隧道上方的地层中存在着一条地下暗河或岩溶系统。
Squyres says the chemicals suggest the mineral deposits remained after ground water came to the surface of the crater floor and then seeped back into the ground.
说这些化学物质表明地下水流到火山口表层后产生了矿床,然后才又渗透到了地下。
The leachate of landfill pollute the surface water and the ground water, and it is one of the primary factors for pollution of environment.
而其中渗滤液对地表水和地下水的污染已经非常突出,是引起环境污染的主要原因之一。
Ground water is different from surface water, therefore the groundwater pressure applied on underground structure is decided by soil structure.
地下水不同于地表水,其作用到地下结构上的外水荷载受到土体结构性的影响。
But the surface runoff, subsurface runoff, ground water and runoff are mostly effected by precipitation. The temperature influence on them is comparative less.
而地表径流量、次地表径流量、地下径流量及河川径流量主要受降水量变化的影响,受气温变化的影响相对较小。
The useable amount of surface water resource and ground water resource in Xi'an city and the relationship between water supplying and needing are analyzed in the system.
本系统设计先进,功能齐全、实用,为西安市供水管理人员提供了雨、水、工情全面信息支持以及城市供水调度的管理信息。
Unsaturated soils water is the connection of surface water and ground water, it is the source that the field crop living depends on.
非饱和土壤中的水分是联系地表水与地下水的纽带,是田间作物赖以生存的源泉。
Unsaturated soils water is the connection of surface water and ground water, it is the source that the field crop living depends on.
非饱和土壤中的水分是联系地表水与地下水的纽带,是田间作物赖以生存的源泉。
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