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powerhouse
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  厂房
    Mathematical Model for Dam Safety Monitoring and Dynamic Inverse Model for Power House
    大坝安全监测及厂房动力反演分析模型研究
短句来源
    Some Suggestions about Structural Design and Construction Design of Underground Powerhouse
    关于地下厂房水工设计和施工组织设计的几点建议
短句来源
    CX-01 INCLINOMETER AND ITS APPLICATION IN SLIDING SLOPE MONITORING OF TIAN SHENGQIAO HYDROELECTRIC POWER HOUSE
    CX-01型测斜仪及其在天生桥水电站厂房滑坡监测中的应用
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    Study on Stability in Surrounding Rocks of on Underground Powerhouse under Complex Stratum
    复杂地层地下厂房围岩稳定性研究
短句来源
    Three Dimensional Finite Element Dynamic Analysis for The Powerhouse Monolith of the Three Gorges Project
    三峡水利枢纽厂房坝段结构三维动力有限元分析
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  厂房
    Mathematical Model for Dam Safety Monitoring and Dynamic Inverse Model for Power House
    大坝安全监测及厂房动力反演分析模型研究
短句来源
    Some Suggestions about Structural Design and Construction Design of Underground Powerhouse
    关于地下厂房水工设计和施工组织设计的几点建议
短句来源
    CX-01 INCLINOMETER AND ITS APPLICATION IN SLIDING SLOPE MONITORING OF TIAN SHENGQIAO HYDROELECTRIC POWER HOUSE
    CX-01型测斜仪及其在天生桥水电站厂房滑坡监测中的应用
短句来源
    Study on Stability in Surrounding Rocks of on Underground Powerhouse under Complex Stratum
    复杂地层地下厂房围岩稳定性研究
短句来源
    Three Dimensional Finite Element Dynamic Analysis for The Powerhouse Monolith of the Three Gorges Project
    三峡水利枢纽厂房坝段结构三维动力有限元分析
短句来源
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  发电厂房
    Strength analysis and reinforcement calculation for powerhouse superstructure of Shiquan expansion project
    石泉扩机工程发电厂房上部结构强度分析与配筋计算
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    Dynamic identification for underground power house based on genetic algorithm
    基于遗传算法的地下发电厂房动态识别
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    Construction quality management of the powerhouse for Gongboxia Hydropower Station
    公伯峡水电站发电厂房施工质量管理
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    Study on dynamic characteristics and vibration of Three Gorges Powerhouse under low water head
    三峡电站发电厂房动力特性与低水头振动问题研究
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    Application of CAT concrete in the project of Ni'erji powerhouse building
    抗裂合成纤维混凝土在尼尔基发电厂房工程中的应用
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  “powerhouse”译为未确定词的双语例句
    The Analysis on the Initial Stress Field for Rock Masses in Powerhouse Region of an Hydroelectric Station
    某水电站厂区岩体初始地应力场分析
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    Major Features of Mechanical-electric Design and Subordinary Equipments of Geheyan powerhouse
    隔河岩水电站机电设计及设备的特点
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    Analysis on the Stress Characteristics of Combined Action of Powerhouse and Dain for Hydropower Station
    水电站厂坝联合作用的受力特性分析
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    Study on dam stability against deep slide at the No.1~5 powerhouse dam sections of TGP
    三峡大坝厂 1~5 号坝段深层抗滑稳定问题研究
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    Analysis on the generating unit vibration and its induction effect on the powerhouse and dam vibration in the Hongshi Hydro Station
    红石水电站机组振动及诱发厂坝振动分析
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  powerhouse
Traditionally, mitochondria have been viewed as the "powerhouse" of the cell, i.e., the site of theoxidative phosphorylation machinery involved in ATP production.
      
This process proceeds more vigorously under the spillway portion of the dam than beneath the powerhouse portion, and it is especially noticeable beneath section 45.
      
1.The characteristics of reconstructing hydrostations impose individual requirements on the solution of problems of carrying out construction and installation works in the powerhouse.
      
Other conditions being equal, the length of the zone of opening of the contact joint in the powerhouse sections is 2-3 m greater than in the nonoverflow sections.2.Opening of joints has a seasonal character.
      
1.Theoretical investigations confirmed considerable opening of the contact joint both in nonoverflow and especially in powerhouse sections of the Bratsk dam.
      
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The arch belly gravity dam is a new type of dam. Its upstream face is inclined and it has a belly arch within. The stress distribution of the dam section is comparatively uniform so that the strength of materials can be filly utilized; the vertical stress at the heel of the dam is comparative high so that the capability of the dam to sustain extraordinary overloading is high. .Comparing with ordinary gravity dam, its stress condition is greatly improved. In order to search for the best profile of new type...

The arch belly gravity dam is a new type of dam. Its upstream face is inclined and it has a belly arch within. The stress distribution of the dam section is comparatively uniform so that the strength of materials can be filly utilized; the vertical stress at the heel of the dam is comparative high so that the capability of the dam to sustain extraordinary overloading is high. .Comparing with ordinary gravity dam, its stress condition is greatly improved. In order to search for the best profile of new type of dam, stress experiments of more than twenty profiles of the dam section of different dimension have been performed by photoelastic frozen method. Through balance check of forces and repeated tests of recommened profiles, it has been proved that the results of the experimentals are believable. The stress condition of several profiles is also experimented with the net method of gelatin models. The stresses are also computed by structure theory with the profile assumed as a hingeless arch. The stresses obtained by the above three methods are approximate. Based upon the results of stress experiments, the effect of the change of dimension of the profile on the stress distribution has been studied. It is considered that the rule to determine the dimension is as follow: The slope of upstream face would be 1: 0. 2-1: 0. 4, and that of the downstream face 1:0. 75-1: 0. 9; the belly arch would be made elliptical with its major axis slightly inclined toward upstream; the arch would be -25--~35% as high as the dam; the upstream leg would be thicker than the downstream leg, so that the center of the gravity of the section would be slightly shifted to the upstream. If the arch belly are used as powerhouse of hydroelectric plant, the width of the draft tube would be equal to or less than 30% of the dam block. The results of stress experiments of the finally recommended profiles have shown that the stresses in the dam section are principal compressive, the stress distribution in the dam section is uniform, and the stress at the heel of the dam is higher. Take profile 1-Ⅷ as an example, compressive stresses occur in the whole section, except that at a few points tensile stresses of no more than 4 kr/cm2 are developed. The ratio of maxinum and mininum stresses in the section is less than 2. The vertical compressive stress at the heel of the dam is, greater than two times the head at the same point, so that the dam has greater capability to resist the overloading. It can be seen that the arch belly gravity dam is a noteworthy new type of dam

腹拱式重力坝是一种新坝型,坝上游面倾斜,坝内设有腹拱。坝体断面的应力分布比较均匀,坝体材料得到充分的利用,上游坝趾的垂直应力较高,坝体承受特殊超载的能力较大,比较一般砼重力坝的应力状态有了很大改善。为了寻找这种新坝型的最好轮廓剖面,利用偏光弹性力学的冻结应力方法,做了廿多组不同轮廓尺寸的坝体剖面的应力试验,经过平衡校核,对于推荐的剖面还进行了重复试验,认为试验结果是可信的。试验中个别方案还采用了软胶纲格法试验;并简化成无铰拱,用结构力学的方法进行了近似的应力计算。三种不同方法所得的应力情形是接近的。根据不同轮廓尺寸剖面应力试验的结果,分析了各种轮廓尺寸的变化对坝体应力分布的影响。初步认为确定坝体轮廓尺寸的规则如下:坝体上游边坡宜为:1∶0.2-1∶0.4,下游边坡宜为1∶0.75-1∶0.9;腹拱宜做成略向上游倾斜的椭圆形;拱高宜为坝高的25-35%;上游腿应比下游腿略厚,以使重心偏向上游;设置坝内电厂时尾水管的宽度宜等于或小于坝段宽的30%。最后推荐方案的应力试验成果,坝体基本上全部为压应力,坝体断面的应力分布均匀,上游坝趾的压应力较高。以1-Ⅷ号方案为例,坝内只个别点出现了最大为4公斤/厘米2的拉应力,?

From experiences and lessons gained from three underground powerhouse in Northeastern China-Huilongshan,Jingpohu and Beishan together with some experiences from foreign countries, some suggestions about how to achieve safe, quick and econimical construction in site selection, layout of underground caverns,layout of construction access tunnels,excavation method,epuipment selection and structural form selection are presented in this paper.

本文根据回龙山、镜泊湖和白山等三个东北地下厂房的经验教训和国外经验,对厂址选择、洞室群布置、施工支洞布置、开挖方法与设备选择。结构形式选择等方面如何做到安全、快速、经济施工,提出建议。

The problem of forecasting three-hour inflows and controlling a run-of-the-river hydroelectric plant is examined with respect to remotely controlled powerhouses of a hydroelectric system operated by Alcan Smelters and Chemicals Ltd in the Province of Quebec. Autoregressive-moving average (ARMA) models and transfer function-noise models are described and recent developments with respect to the identification, parameter estimation, and diagnostic checking stages of model construction are reviewed for both...

The problem of forecasting three-hour inflows and controlling a run-of-the-river hydroelectric plant is examined with respect to remotely controlled powerhouses of a hydroelectric system operated by Alcan Smelters and Chemicals Ltd in the Province of Quebec. Autoregressive-moving average (ARMA) models and transfer function-noise models are described and recent developments with respect to the identification, parameter estimation, and diagnostic checking stages of model construction are reviewed for both types of modes. The three stages of model construction are applied to sample data, and the most appropriate ARMA and transfer function-noise models are selected and discussed. The chosen transfer function-noise model relates flows at an upstream powerhouse and two tributaries to inflows at the downstream powerhouse. Flows from the tributaries are acquired via a GOES satellite. The selected model represents a very important component of the control strategy for the downstream powerhouse.

本文研究魁伯克省亚尔堪熔炼化学制品有限公司电力系统的一些电站。对预测三小时流量和控制一个利用天然河川重力的发电厂进行了分析,并对自回归移动一般模型和变换函数噪音模型作了介绍,对最近在两类模型的模型结构识别、参数估算和诊断检查阶段的进展也作了交代。

 
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