在不需要供冷的季节，热水机组循环地下水，不存在蒸发器的最小水流量的问题。
Does not need cooling at the season, hot water unit circle groundwater, there is no minimum evaporator water flow problem.
到目前为止，最丰富的地下水资源是雨水；这是地下水在水循环中的一个环节。
By far the most abundant type of groundwater is meteoric water; this is the groundwater that circulates as part of the water cycle.
大面积过度放牧扰乱了水循环、减少了地表和地下水资源的补充。
Widespread overgrazing disturbs water cycles, reducing replenishment of above and below ground water resources.
作为全球水循环的重要环节，地下水是全球环境变化的受体和信息载体。
As an important component of global water circulation, groundwater is a receptor and information carrier of global environmental changes.
通过群孔抽水试验，改变了地下水的循环条件，使水质达到了生活用水导致标准，为此区奥灰水的综合利用打下了基础。
Through multiple Wells pumping, the groundwater circulation condition is changed, thus water is drinkable finally, and sets a basis of comprehensive utilization of Ordovician water in the region.
在地热资源开发利用中，对深部地下水循环模式进行研究具有实际意义。
In exploitation and utilization of geotherm resources, it is of practical significance to study cyclic pattern of deep Karst groundwater.
地下水循环方式的不同对围岩温度场产生的影响有很大差异。
Different ways of groundwater circulation exert different effects on wall_rock temperature field.
本文侧重讨论岩溶水循环中产流与汇流、岩溶区流域面积确定、地表水与地下水划分、以及解决这些问题的技术方法。
In this paper, the mechanism of runoff-producing and flow confluence in karst area, the structure function of karst hydrological conceptual model, and the problem of modelling process are discussed.
分析了华北型煤田，特别是峰峰矿区陷落柱的发育规律，提出了陷落柱的地下水内部循环形成机理。
The forming law of sinking column in Huabei type coal field, especially at the Fengfeng coal mine is analyzed and the mechanism of groundwater inner cycle in sinking columns is put forth.
地下水的主要循环深度在1—3公里。
由于岩溶地下水分布难以量测，岩溶水文系统多为黑箱或灰箱，采用岩溶水文模型量化其水循环过程常存在许多疑难问题。
There are some problems in modelling karst water circulation using hydrological model as lack of information of groundwater distribution in karst system (black box or grey box).
循环使用地下水可以导致缓慢的水质降低。
Slow degradation of ground water quality may result from repeated use.
区域地下水资源利用潜力与水文循环陆地过程相关。
The latent capacity of utilizing groundwater is variable, which depends on the land processes of the regional hydrologic cycle.
综述了铁在地下水、湖泊和河流水源及相关土壤中循环转化的规律。
This paper reviewed the iron cycles in soil and water system including the groundwater, lakes and rivers.
同位素研究表明，包头平原中山前倾斜平原和黄河冲积平原区地下水具有不同的水循环模式。
The isotopic evidence shows that the groundwater in the mountain apron and the Yellow River alluvial plain in Baotou plain has different groundwater circulation models.
地下水源热泵系统运行期间，地下冷热量循环过程与地下不同岩土层（含水层）的水文地质特征密切相关。
The cold-heat cycle underground is closely related to the hydrogeological characteristics of various rock and soil stratum (aquifer) when groundwater source heat pump system is running.
防渗处理应满足于对地下水比降、水交替循环条件等方面的要求。
The preventive measures should meet the requirements of the gradient of water table and the condition of water circulation.
该岩溶地下水年龄之所以偏大，主要是因为受制于其所处的地质环境的制约，水循环交替比较缓慢。
The major reason for the groundwater getting older is the water cycle becoming slower that is influenced by the geologic environment.
大量的开矿过程对含水层中的地下水循环和化学成分都造成了可观的变化。
Extensive mining progress caused considerable changes in both groundwater circulation and groundwater chemical composition of the aquifer.
结果表明：徐州市水文地质单元岩溶地下水循环系统是一个复杂的循环系统，整个系统既有畅流型，又有汇流型和散流型。
The result shows that the karst water circulation system in Xuzhou is complicated with different flowing patterns of fluent flow, converging flow, and dispersing flow.
渝合高速公路隧道横穿中梁山，破坏了地下水的循环过程，引起泉水和地表水的枯竭。
However, the excavation of a tunnel through the mountain on the Yu-He Highway has changed the circulation of the local underground water resources and resulted in the losses of water.
通过建立地下水流模拟模型，对傍河开采给黄河下游地下水循环、侧渗量及径流量带来的影响进行了分析。
It analyzes the influence of exploitation near the river to the phreatic cycle, lateral seepage and run-off amount of the lower Yellow river through establishing an under-flowing simulation model.
根据齐鲁石化公司用水规划要求，该公司热电厂循环水补水水源由原来的地下水改为黄河水。
According to the Qilu Petrochemical Corporation water using plan. Heat and Power Plant replaces the water source of circulating water system with the Yellow River water.
本文讨论了四川盆地及盆周地区深部岩溶地下水形成条件，对深部岩溶地下水的循环模式进行了归纳总结。
This paper discusses the forming conditions of deep Karst groundwater in Sichuan basin and its surroundings. The cyclic pattern of deep Karst groundwater is summed up.
在山前地区，与山区常温地下水循环交替强烈，浅部地温梯度明显偏低。
In the front of the mountain area, circle alternate is intensive, the shallow geo-temperature gradient is on the low side.
矿床的铀源主要来自周围的花岗岩，铀通过循环的地下水进行搬运。
Uranitum in the deposits is supplied from surrounding source recks, mostly from granite …
由于黄河水中腐蚀性离子的浓度是原地下水的3 ~4倍，导致了循环水腐蚀速率大幅度升高。
As the concentration of caustic ion in the Yellow River water is3 ~ 4times more than the under-groundwater.
以神东矿区地下水环境质量评价为实例，确定矿区地下水环境质量等级，为地下水资源循环使用提供了可靠的依据。
Taking the groundwater environmental quality evaluation of the Shendong Minefield as an example, it defined the environmental credit rating of gro...
以神东矿区地下水环境质量评价为实例，确定矿区地下水环境质量等级，为地下水资源循环使用提供了可靠的依据。
Taking the groundwater environmental quality evaluation of the Shendong Minefield as an example, it defined the environmental credit rating of gro...
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