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渠道
相关语句
  channel
    A opimum Dispatching Method for Channel——Cascade Hydropower Stations Group
    渠道梯级电站群优化调度方法
短句来源
    Study on Treating the Slope Failure of Expansive Soil Channel with Chemical Method
    用化学方法治理膨胀岩土渠道滑坡的研究
短句来源
    Construction Method of Dynamic Channel in Mountaious Area
    山区动力渠道建设方法
短句来源
    Application of Smooth Blasting in the Open Channel Construction
    光面爆破在渠道施工中的应用
短句来源
    Influence of Non Equilibrium Sediment Transport on Section Forms of Regular Channel and Harness Research
    输沙不平衡对规则渠道断面形态的影响及治理研究
短句来源
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  canal
    Study on the Robust Control Theory of Canal Automatic Operation
    渠道自动运行鲁棒控制的理论研究
短句来源
    Experiments and Calculations for Winter Operation with Pumping Well Water into Power Canal
    抽井水入发电渠道冬季运行试验及其计算
短句来源
    Optimal Designing Cross section of Membrance Canal Lining
    塑料薄膜防渗渠道横断面的优化设计
短句来源
    Application of Ultrasonic Wave in Measurement of Canal Water Stage
    超声波在渠道水位测量中的应用
短句来源
    Concrete Lining of Ribbed Slab───Application of A New Type of Lined Canal
    肋板式混凝土衬砌──一种新型渠道衬砌型式的应用
短句来源
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  chanel
    Application of golden section method to chanel transect design
    黄金分割法在渠道断面设计中的应用
短句来源
    Development of information management system in Nen river diversion chanel
    引嫩渠道信息管理系统的开发
短句来源
    The formula of depth in open chanel uniform flow and runoff and the calculating method of optimal hydraulic cross section have been deduced, according to the theory of open chanel uniform flow.
    根据明渠均匀流理论 ,推求了抛物线形渠道正常水深与流量的关系和水力最优断面的计算公式 ,得出了水力最优断面水深与抛物线参数的关系为 ah0 =0 .94673 2。
短句来源
    Matlab software is utilized to develop an interface to clearly draw the information management system of the practical situation of chanel engineering in good shape mode. And it provides a new method for the maintainence and management of the open trench.
    利用Matlab软件开发一个界面友好,能以良好的图形方式清楚地描绘渠道工程的实际情况的信息管理系统,为明渠的维护与管理提供了新方法。
短句来源
  “渠道”译为未确定词的双语例句
    Calculation and discussion of critical depth for ladder-canal
    梯形渠道临界水深的计算及讨论
短句来源
    Analysis on the Diversion Ratio of the Northern Nenjiang Water Transfer Project
    北部引嫩渠首嫩江枯水期来水量与渠道引入量的分析
短句来源
    Mathematical model of dynamic process of hydraulic automatically operated canals with Constant ,|downstream level controller
    下游常水位水力自动控制渠道运行动态过程及数学模型的研究
短句来源
    Soil solidify Agent -- A New Anti-seepage Material and Its Application
    渠道防渗新材料—土壤固化剂及其应用
短句来源
    The study of ladder shaped culvert best engineering and hydraulic's section
    梯形渠道工程及水力最佳断面的研究
短句来源
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  channel
Aliasing error bounds are derived for one- and two-channel sampling series analogous to the Whittaker-Kotel'nikov-Shannon series, and for the multi-band sampling series, and a "derivative" extension of it, due to Dodson, Beaty, et al.
      
Aliasing in the one-channel case is shown to arise from a transformation with similarities to a projection.
      
An Estimation of the Truncation Error for the Two-Channel Sampling Formulas
      
Guanidine-type compounds that reached clinical status include amongst others the potassium channel opener, pinacidil and the histamine H2-receptor antagonists (e.g.
      
The tetra-n-butylammonium cations were stacked to give two columns within each channel with cross-sectional size of about 2.30 nm × 0.93 nm.
      
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  canal
Synchronous rectal adenocarcinoma and anal canal adenocarcinoma
      
Five months after resection, he developed an adenocarcinoma in the anal canal.
      
For this reason, we believe the present case had synchronous adenocarcinomas arising from anal canal and the rectum separately.
      
It is very important to differentiate the anorectal lesions pathologically because of the impact on the therapeutic options available, especially for the lesion arising in the anal canal.
      
Shape of the fresh-water lens resulting from canal seepage
      
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  chanel
A chezyor Manning-type law of friction is assumed, in which lahar flow rate is a simple power function of lahar depth, multiplied by another simple power of the chanel slope.
      
A second site, with a higher affinity,Kd(0 mV)=0.23mm, may account for the near total block of chanel conductance by 2mm TEA+ applied to the outside of the membrane.
      
We demonstrate, in both single-channel and whole-bladder studies, that the outward rectification is a consequence of interaction of the chanel with extracellular divalent cations, particularly Ca2+, which blocks inward but not outward current.
      
Decadal-scale droughts also occurred resulting in higher salinities and migration of ostracode species from the deep chanel (Loxoconcha sp.,Cytheromorpha newportensis) into shallower water along the flanks of the bay.
      
The patterns of the above parameters enable the description of the decay process of a free turbulent jet flowing out a chanel.
      
更多          


2.0—6.0.

在雨量稀少的干旱地区,灌溉对农业生产要起着决定性的作用。中国西北干旱地区对水极为宝贵,但灌溉渠道多是经过长距离的戈壁沙漠,渗漏严重,同时地势较陡,故在解决防渗问题的同时,也必须解决防冲刷问题,又以交通运输不便,必须考虑建筑材料问题。为了合乎保证最大灌溉水的利用和费省效宏的原则,甘肃省本着就地取材的精神,总结和提高群众悠久的经验,推广卵石衬砌渠道,解决了渗漏冲刷问题,降低了原有数以倍计的水量损失,并在不同的用料尺寸通过2.0~6.0秒米的流速仍可保证渠道的安全。但工程效率的高低与工程质量有极大的关系,故将群众在选料、施工和程序各方面的多年经验提供参考,俾能达到优良质量的要求。本措施的一切测验资料是很粗简的,在科学论证方面尚嫌欠详,有待进一步的测验分析和研究。

In the construction of dams and cofferdams, and in the excavation of canals and others by means of directional explosions, it is always necessary to estimate the piling hape and the location of the soil or rock materials that have been thrown out by blasting. Some years ago, G. E. Pokrovsky and others had presented an estimating method or attacking the problems concerned, but its performance was rather troublesome for rregular topography and under complicated conditions of blasting. The writer, based on the...

In the construction of dams and cofferdams, and in the excavation of canals and others by means of directional explosions, it is always necessary to estimate the piling hape and the location of the soil or rock materials that have been thrown out by blasting. Some years ago, G. E. Pokrovsky and others had presented an estimating method or attacking the problems concerned, but its performance was rather troublesome for rregular topography and under complicated conditions of blasting. The writer, based on the theory of ballistics and the geometrical analysis of topography, presents some nomograms much easier to use and their accuracy is satisfactory or practical purposes. Two methods for the estimation of piling at compound charges re also suggested.

在用定向抛掷爆破法筑坝、修围堰、开挖渠道及其他工程中,常需在爆破前估计爆破后土石方的抛掷堆积形状和位置。几年前,波克罗夫斯基等曾提出了有关这些问题的计算方法。但是对于地形崎岖和爆破条件复杂的情况,计算工作量甚大。作者基于弹道理论及地形上的几何关系,提出了在精度上满足实用要求,而查用又比较简捷的速算图,并对复药包的抛掷堆积计算提出了两种建议性的方法。

By means of an approximate method of hydrodynamics of ground water, this paper analyses the general problem of steady ground water flow into intercepting drainage ditches in the vicinity of canal and reservoir in homogeneous soil. The influence of the depth of underlying impervious layer upon the seepage flow has been taken into consideration. Based on the assumption that the ground water table is horizontal and by using the method of conformal transformation, the equations for calculating the seepage flow from...

By means of an approximate method of hydrodynamics of ground water, this paper analyses the general problem of steady ground water flow into intercepting drainage ditches in the vicinity of canal and reservoir in homogeneous soil. The influence of the depth of underlying impervious layer upon the seepage flow has been taken into consideration. Based on the assumption that the ground water table is horizontal and by using the method of conformal transformation, the equations for calculating the seepage flow from canal and reservoir and the position of the water table are established. In order to simplify the computation, the obtained equations are plotted in curves and nomogram. The results of electrical analog test are presented and are based on for discussing the rational depth and position of intercepting drainage ditches. The suggested relationships for calculating the seepage flow and water table have been verified by comparing the computed results with the test values.

本文应用地下水动力学近似方法,探討了渠道和水庫附近有截渗排水沟时地下水恆定运动的一般問題.渗流区为均貭土地段,不透水层有限埋深.在簡化地下水面为水平直线的基础上,通过保角变換,得到計算渠道和水庫的渗漏量以及地下水位差值沿程分布的关系式.文中引用电拟模型試驗资料,初步論証了截渗排水沟适宜的位置和深度,并对建議的計算关系式进行了驗証.

 
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