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水动力效应
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  hydrodynamic force effects
     Experimental Study of Hydrodynamic Force Effects on Submarine Groove Pipelines Under the Action of Waves and Current
     海底沟槽内管道在波流作用下水动力效应的实验研究
短句来源
     Experimental Research on Hydrodynamic Force Effects for Partially Buried Pipeline Under Wave and Current Actions
     海底部分埋设管道在波流作用下水动力效应的实验研究
短句来源
  hydrodynamic effect
     On the basis of the analysis of the cases on Japanese Akiyoshi dai plateau and the Guilin Karst Experimental Site, it was found that the variation of hydrochemistry in karst dynamic system is mainly controlled by dilution effect, hydrodynamic effect (or called diffusion boundary layer effect) and CO 2 effect.
     本文通过对日本Akiyoshi-dai高原和桂林岩溶试验场的分析,发现岩溶动力系统水化学动态变化规律主要受稀释效应、水动力效应(扩散边界层效应)和CO2效应控制
短句来源
  “水动力效应”译为未确定词的双语例句
     It has been known that many factors affect the calcite precipitation, such as temperature, CO2 pressure, hydrodynamics and biological factor.
     而影响岩溶水碳酸钙沉积速率的因素是多方面的,但总体而言主要是由于水体中CO2的逸出,并可归结为四方面:①温度效应 ②压力效应 ③水动力效应 ④ 生物效应。
短句来源
     The ocuurence of the Wenluo hot spring is controlled by the Luchuan-Cenxi fault. Formation of the tufa is affected by temperature, pressure, hydrodynamic conditions, biological action, and chemical compositions of the hot solution.
     对钙华的沉积机制,影响因素分别进行论述,包括:温度效应、压力效应、水动力效应、生物效应、水溶液化学特征,并对各因素在温罗泉华的沉积过程中所起的作用分别进行论述。
短句来源
     This paper looks at the genetic relationship betweenkarst development and caves formation and focuses On the hydraulic effect of karst landscapes inresponse to the neotectonic uplift and the rivers incision in the Zhijin Cave area.
     本文通过分析该地区新构造抬升及河流下切引起的水动力效应,探讨喀斯待发育与洞穴形成演化的成生联系。 由于新构造运动强烈的间歇性抬升,区域侵蚀基面下降,喀斯特回春峰,丛洼地、峡谷向深发育,谷坡洞穴层层分布。
短句来源
     Through experimental research on the wave and current effects to buried pipelines, it is found that there is great reduction of drag and initial force but less obvious increase of lift force frequency, and the increase of lift force requency is 1 - 4 times of the incident wave frequency.
     通过对这类部分埋设管道在波流作用下的水动力效应的实验研究,发现其中的曳力和惯性力有很大程度的减小,但升力的减小并不十分明显,而升力频率变化为入射波频的1~4倍。
短句来源
     Lunar variable trends for physical-chemical characteristics of spring water directly respond to rainfall. The hydrodynamic and dilute effect of the rainfall synchronously influences temperature,conductance,pH and concentration variations such as Ca~(2+),HCO~-_3 etc for spring water.
     碧潭泉水化学月变化动态对降雨有一种直接响应过程,降雨的水动力效应和稀释效应同时影响着碧潭泉水的水位、温度、电导率、pH、Ca2+和HCO3-等离子浓度的变化.
短句来源
  相似匹配句对
     HYDRODYNAMIC CHARACTERISTICS OF DAPENG BAY AND ITS ECOLOGICAL AND ENVIRONMENTAL EFFECTS
     大鹏湾水动力特征及其生态环境效应
短句来源
     Gravitational Lens Effect
     引力透镜效应
短句来源
     ‘DaVinci Effect’ in the Electronics Industry
     “达芬奇”效应
短句来源
     Hydredynamic loads;
     水动力荷载;
短句来源
     The Effect of Hydrodynamic Force on Submarine Pipeline In Open Trench under the Action of Wave and Current
     海底沟槽内管道在波流作用下的水动力掩护效应
短句来源
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  hydrodynamic effect
Hydrodynamic effect on a contour by the flow of an ideal incompressible fluid with constant vorticity
      
Hydrodynamic effect of a liquid of finite depth on a thin body in nonsteady longitudinal motion
      
It is shown that rows of porous cylinders arranged into a square array have almost no mutual hydrodynamic effect at any array spacing.
      
In the framework of the theory of "horizontal rays and vertical modes," the sound field pattern governed by the aforementioned hydrodynamic effect is investigated.
      
This effect is analogous to the corresponding hydrodynamic effect in narrow shallow channels (the "Houston's horse" effect).
      
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This article is aimed at expermental study of hydrodynamic force loading under the ac- tion of wave current on submarine composite pipeline for JZ20—2 project.Corresponding hydrodynamic force coefficient obtained through the study can be consulted and applied in engineering project.

本文是在研究组对“波流作用下海底管道水动力系数 C_D、C_M、C_L 值的确定和选取”、“带压块海底管道上的水动力载荷实验研究”和“部分埋设海底管道渡流作用时的水动力效应实验研究”等项目研究成果的基础上,以 JZ20-2海底输气管道工程的为背景,对 JZ20-2的子-母管在波流作用下水动力载荷的确定进行的实验研究。同样,子-母管的水动力系数 C_D、C_M 与 KC 数明显相关,随KC 数的增大而减小;水动力系数 C_M 多在1—4之间变化。实验中对规则波加拖厢造流与不规则波自然加流的试验结果,二者比较—致。因而建议在工程设计中,可直接按规则波加拖厢造流的方法和设备,并偏于保守。

The Zhijin Cave is a quite well-known tourist cave in China for its large size,beautiful deco-rations and fantastic karst and caves around.This paper looks at the genetic relationship betweenkarst development and caves formation and focuses On the hydraulic effect of karst landscapes inresponse to the neotectonic uplift and the rivers incision in the Zhijin Cave area.With the in-tense,intermittent uplift accompanied by the frequent lowerings of local base-level,karstificationin the area adjacent to those major...

The Zhijin Cave is a quite well-known tourist cave in China for its large size,beautiful deco-rations and fantastic karst and caves around.This paper looks at the genetic relationship betweenkarst development and caves formation and focuses On the hydraulic effect of karst landscapes inresponse to the neotectonic uplift and the rivers incision in the Zhijin Cave area.With the in-tense,intermittent uplift accompanied by the frequent lowerings of local base-level,karstificationin the area adjacent to those major rivers has been rejuvenated,which gives rise to a deepwarddevelopment and accordingly a stepped occurrence of karst landscapes,The passage-leveled caveswith phreatic features on the valley slope are also produced in this way.When possibility is greatwhich is achieved by a combination of gentle dip and heavy joint of the limestone,the incisionand collapse processes are of very important ways fOr underground karst toward surface landscapeand also of great contribution to cave passage enlargement.The river capture from evidences offossil drainage system suggested that it was a long time for the origin,formation and develop-ment of caves in the area.Examining geological control on the Zhijin Cave passages and varia-tions of oxygen and carbon stable isotopes from the speleothem,the paper concludes with agrowth model for the karst and caves in the area.

织金洞由于洞穴内碳酸钙沉积形态多样,洞外喀斯特景观组合完好,成为我国著名的旅游洞。本文通过分析该地区新构造抬升及河流下切引起的水动力效应,探讨喀斯待发育与洞穴形成演化的成生联系。由于新构造运动强烈的间歇性抬升,区域侵蚀基面下降,喀斯特回春峰,丛洼地、峡谷向深发育,谷坡洞穴层层分布。在岩层平缓、节理发育的条件下,地下河下切与崩塌作用相结合是地下喀斯特向地表喀斯特转化的重要方式,即对洞穴通道的扩大和峡谷的形成起着决定性的控制作用。第四纪以来的水系变迁与河流袭夺是该区洞穴形成发育的根本动力。结合织金洞大形态的地质构造控制特点和碳氧同位素年代测定与古环境分析,发现:在早更新世中晚期,随干流六冲河的下切,以结河下游潜伏地下形成夹岩洞和龙吸洞,新寨河下游相应形成黄家岩洞;中更新世早期,该河流继续下切、变迁、袭夺并伴有崩塌作用,形成了横跨在峡谷上的双层天生桥,织金洞主洞和黑洞也属这一期的产物;中更新世中期,新寨河逐渐被以结河袭夺,织金洞由于较大的枯洪水位变幅引起频繁的崩塌,形成大厅;中更新世晚期,洞穴脱水,碳酸钙沉积形态广泛发育,直至全新世。

Sub - sea pipelines are generally buried on sea floor due to the actions of its own weight and various dynamic forces as well as sediments. Through experimental research on the wave and current effects to buried pipelines, it is found that there is great reduction of drag and initial force but less obvious increase of lift force frequency, and the increase of lift force requency is 1 - 4 times of the incident wave frequency.

海底管道常常受本身自重和各种动力因素的作用,以及海底沉积物的运移而造成部分被埋入海底。通过对这类部分埋设管道在波流作用下的水动力效应的实验研究,发现其中的曳力和惯性力有很大程度的减小,但升力的减小并不十分明显,而升力频率变化为入射波频的1~4倍。

 
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