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pumping
相关语句
  抽水
    REFLECTION OF WATER PUMPING FROM SHALLOW AQUIFER ON THE WATER LEVEL IN SUIHUA No. 2 WELL
    绥2井水位对浅层抽水的反映及其分析
短句来源
    A PRELIMINARY STUDY ON A NEW MODEL OF CALCULATING HYDROGEOLOGICAL PARAMETERS (Rs, K, R) BY USING q-s RELATIONSHIPS OF PUMPING DEPRESSION CURVE OF STEADY FLOW
    关于用稳定流抽水降落曲线q—s关系建立求解水文地质参数(Rs、K、R)新模型的探讨
短句来源
    STUDY OF THE OPTIMUM DESIGN OF PUMPING TEST NET
    抽水试验网优化设计研究
短句来源
    Improvement of Water Level Recovery in Pumping Test
    抽水试验水位恢复法的改进
短句来源
    INFLUENCE AND CORRECTION OF UNIDIRECTIONAL BACKGROUND WATER LEVEL FLUCTUATION OF PUMPING TEST
    抽水试验单向性背景水位变化的影响与修正
短句来源
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  “pumping”译为未确定词的双语例句
    Study on geological environmental effect after bannimg groundwater pumping in Su-Xi-Chang area
    苏锡常地区地下水禁采后的地质环境效应研究
短句来源
    According a result of a deep groundwater balance budget, the averageannul yield from the deep groundwater in the studied area is about 4.7012×108m3/a betweenthe years of 1991 and 2000, among which leakage shares 38.2%, released water from pressedclay 41.3%, literal flow 14.9% , elasticity released water 5.6% and the former two itemsconstitute the main parts of pumping.
    1991~2000年水量均衡计算,天津深层地下水平均开采量为4.7012×108m3/a,其中越流补给量占38.2%,粘性土压缩释水量占41.3%,侧向流入量占14.9%,弹性释水量占5.6%,前二者是深层地下水开采量的主要组分。
短句来源
    The pumping in the 2nd plan is 9029.5 m3/d with 3 Km' corridor and the groundwater level steadily drops and the range of drop averagely is about 0.5m in the west of the river.
    第二方案3 Km廊道的取水量为9029.5 m~3/d,西岸地下水位普遍下降了0.5 m米左右。
短句来源
    The pumping in the 3rd plan is 5820.4 m3/d with 3 Km' corridor and the pumping is not enough for the demand of the project, this has great effect on the groundwater level of the west and the range of drop averagely is about 0.65m.
    第三方案3 Km廊道的取水量为5820.4 m~3/d,需水量难以达到工程要求,同时对岸地下水位有更大的影响,水位普遍下降了0.65 m左右。
短句来源
    One model is established with 15 wells' pumping water quantity asdecision-making variable. Calculating the model, the results is exploiting 11 wells atthe same time which are 1,3,4,5,6,7,8,10,11,14,15and so on and the pumpingwater quantity is separately 8317.39,7728.83,2893.22,13971.93,13683.91,3030.55,3020.67,15652.94,4433.44,21815.74,and 5451.79 m3/d.
    一种是以 15 口井的开采量为决策变量建立的模型,该模型的求解结果是同时开采 1,3,4,5,6,7,8,10,11,14,15 等 11 口井,各井的开采量依次为8317.39、7728.83、2893.22 、13971.93、13683.91、3030.55、3020.67、15652.94、4433.44、21815.74、5451.79 m3/d;
短句来源
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  pumping
The main technology for high power fiber lasers, including laser diode beam shaping, fiber laser pumping techniques, and amplification systems, are discussed in detail.
      
The heat transfer enhancement under identical pumping power condition for the attack angle of 30° is larger than that for the attack angle of 45° either for staggered or for aligned tube bank arrangement.
      
Meanwhile, principles of several typical pumping methods such as mechanical, electromagnetic or peristaltic pumps will be illustrated.
      
pumping power per unit heat transfer area were plotted.
      
Proton Pumping in Growing Part of Maize Root: Its Correlation with 14-3-3 Protein Content and Changes in Response to Osmotic Str
      
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Since the year 1886, the Dupuit-Forchheimer theory and formulas for gravityflows toward wells and galleries have been broadly used in all nations of theworld. In these formulas, assumptions are made for underground flows fromfarther distances in horizontal directions at a constant rate toward wells andgalleries. According to the author's analysis, these assumptions are not consistentwith the actual conditions of flow, hence the formulas obtained therefrom are notrational, and the employment of these formulas...

Since the year 1886, the Dupuit-Forchheimer theory and formulas for gravityflows toward wells and galleries have been broadly used in all nations of theworld. In these formulas, assumptions are made for underground flows fromfarther distances in horizontal directions at a constant rate toward wells andgalleries. According to the author's analysis, these assumptions are not consistentwith the actual conditions of flow, hence the formulas obtained therefrom are notrational, and the employment of these formulas to investigate the general effectof surface drop or well diametre upon yield is devoid of rational foundations. According to the author's analysis, the flows toward wells or galleries areactually supplied vertically by draining the stored water above the free surface inthe course of its descending and enlarging. As the drainage of gravity water fromthe pores of soil particles in order to reduce the water content to that of filmshells takes one to two days, as the capillary water columns are interconnectedand mutually supplied sidewise, this vertical supply of water may maintain quite along time, yet the flow may not be absolutely steady. As regards vertical supply of water with unsteady regimen, equations of freesurface for flow pattern near galleries are deduced, corresponding to the Boussinesqpartial differential equation. Besides, the author has derived simplified equationsfor computing flows into wells and galleries. The latter, in comparison with theDupuit-Forchheimer formulas, gives a higher yield, while the free surface curve isreasonably tangent to the horizontal water table at a point which moves fartheraway as time goes on. J. Kozeny first pointed out the phenomenon that the water depth in the groundon the wall will not be further lowered when it reaches one half of the depthbefore pumping. The author hereby proposes a theoretical proof of it on the basisof theorem of least work. Based upon these theories, formulas are proposed for maximum possible yieldof wells and galleries dug to horizontal impervious strata, to be used in prelimi-nary estimations for hydro-geological workers.

1886年以来,杜布义-福熙罕默(Dupuit-Forchheimer)的井流及沟流的理论与计算用公式被世界各国广泛地应用着。公式假设地下水从远处沿着水平方向以定率流向井内或沟内,按作者分析这种假设并不符合实际情况,因之所得公式也不合理,用这些公式来推论水位降落或井径对於出水率的影响也没有合理的凭据。作者推论,井流或沟流的水实际上是从水面线以上,在其降落并扩大的过程中,排除了存积的水,沿着直垂方向所供应着的。因为从土壤颗粒的空隙间排除重力水,使减为薄膜水,每需时一两天,而水面上的毛细管水又是横向贯通并互相接济着,所以垂直供水可以维持很久,而潜流也决不会绝对稳定。根据这垂直供水的不定汉条件引出了沟流的水面线公式,结果符合蒲薪奈斯克的偏微分方程式。另外,作者又拟具了简化的井流及沟流计算用公式。这些公式和杜氏-福氏公式比较,所得出水率较大,而水面线则合理地切於静水线,切点随着时程向远处移动。柯臣尼(J.Kozeny)最早指出井边地内水深不会低於静水深一半的现象,本文中作者根据最小工作定律试拟了理论的证明以支持之。根据这些理论,引出了从静水中抽水时井流、沟流最大可能出水率的公式,以供水文地质工作者初步估算之用。

Change of ground water level gives rise to ground deformation is concerned in this paper. It describes several actual experiments in-situ of pumping water from wells, indicating the relation between the variation of elevation and the pumping, with respect to time and location. 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. A preliminary discussion has been made...

Change of ground water level gives rise to ground deformation is concerned in this paper. It describes several actual experiments in-situ of pumping water from wells, indicating the relation between the variation of elevation and the pumping, with respect to time and location. 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. A preliminary discussion has been made in connection with the distinction between ground deformation caused by ground water change and other factors.

本文探讨了抽用地下水对地面形变所造成的影响。文中应用了几个抽水试验实例,说明了它们在时间上、空间上的相互变化关系。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。对抽水引起的地面形变与其他因素所造成的地面形变的区别,进行了视步的讨论。

There were altogether 590 felt microearthquakes which took place in Yagong-tang mineral area of Shuikoushan region. These earthquakes were characterized by quite shallow depth of focuss (for 94% of them: h ≤ 300 m), extremely small magnitude (ML ≤0.2), and the close relationship between the distribution of the shock space, time and strength and the drainage of the mineral region. These earthquakes were the result of the sudden motion of the blocks that were in dynamic equilibrium and were induced by water-pumping....

There were altogether 590 felt microearthquakes which took place in Yagong-tang mineral area of Shuikoushan region. These earthquakes were characterized by quite shallow depth of focuss (for 94% of them: h ≤ 300 m), extremely small magnitude (ML ≤0.2), and the close relationship between the distribution of the shock space, time and strength and the drainage of the mineral region. These earthquakes were the result of the sudden motion of the blocks that were in dynamic equilibrium and were induced by water-pumping. The region for the occurrence of such earthquakes must have the following factors: the developed former structure plane; a lot of strain energy stored in the divided blocks; a considerably large dropping funnel and the space for the motion of the blocks formed when the region is being pumped. According to the above three factors, we can forecast whether or not the draining of the metalliferous mines would induce earthquakes and estimate the future earthquake risk as well.

水口山鸭公塘矿区1966~1968年共发生有感微震590次。这群地震具有震源极浅(绝大多数地震,h≤300米)、震级极低(M_L≤0.2级)、时空强分布与矿山疏干排水关系极为密切等特点。它们是矿区地下原处于动态平衡的块体,在抽水的影响下突然运动的结果,属抽水诱发地震。发生这类地震的矿区必须具备老构造面发育、被分割的块体有较多的应变能;抽水时能形成较大的降落漏斗和有允许块体运动的空间等。根据上面提出的三个条件,可以对类似金属矿山疏干排水是否能诱发地震及未来地震危险性进行估计。

 
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