The variational analysis of spiral case and stay ring's strength.
蜗壳座环强度的变量化分析。
Backwater hole and then right to the water flow convergence, the flow along the spiral case.
然后与右回水孔流来的水汇合，顺着蜗壳流动。
The ellipse section spiral case can give excellent hydraulic performance by optimizing design.
通过优化设计，椭圆型蜗壳可获得优异的水力性能。
Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case.
高坝洲水电站由于设计水头较高，设计单位建议采用预应力钢筋混凝土蜗壳。
Heituhu formation is gray and gray-black silty clay with limnological facies in early and middle period of Holocene, and bearing lots of spiral case;
黑土湖组为全新世早—中期湖沼相沉积的灰—灰黑色粘土类粉砂质粘土，含大量淡水螺蚌介壳；
The present work considers the spiral case as branch-off pipe system that diverts part of the flow consecutively as it goes around the periphery of the runner.
本文将蜗壳看作沿转轮四周连续分流的分叉管系统，应用水力瞬变中的叉管理论推出一种能计及蜗壳各断面水锤效应，并使仿真计算更接近实际情况的新方法。
At present, each sectionalization of large-scale spiral case is produced by NC cutting according to the outstretched plane of the curve of the sectionalization.
目前，大型水轮机金属焊接蜗壳各分节大多采用按各分节平面展开线轮廓进行数控切割加工。
Through analysis, we consider that the spiral case of left powerhouse units works normally, and that the stress and deformation are within the range of allowable design.
通过分析认为左厂房机组蜗壳工作性态正常，应力和变形均在设计允许范围内。
In addition, spiral case design method by layers and blocks, concrete temperature control, construction quality control, additional anti-crack reinforcement bar disposal, etc.
并结合工程实际介绍了分层分块设计、混凝土温控、施工质量控制、增设温度筋和抗裂筋等技术措施。
The structure of preloading filling spiral case is becoming larger and more complex correspondingly, and it is widely used in large hydropower house because of its reliability.
在已建的大型电站中，充水保压蜗壳结构以其独特的结构优势和可靠性得到了广泛的应用。
The larger the gap between spiral case and outside concrete, the smaller the stress in outside concrete and the larger the stress in spiral case and the rate of carrying capacity.
随着蜗壳与外围混凝土之间缝隙增大，外围混凝土拉应力减小，蜗壳应力与承载比增大。
The penstock and spiral case with elastic layer are defined as a engineering measure of having flexible layer material surrounding it to meet the needs of bearing loads in structure.
在水电站压力引水钢管或钢蜗壳外表敷设软垫层材料以满足结构受力要求的工程措施称之为垫层管或垫层蜗壳。
Not only a new expression of the turbine's discharge and differential pressure of the Spiral case was proposed, but also the detailed approximation process and computing formula were given.
并给出了新的水轮机流量与蜗壳压差关系表达式，同时也给出了详细的逼近计算过程和计算公式。
The water filling and pressure maintaining system mainly included: pressure pump and its control device, blockage end at the spiral case inlet, sealing ring on the stay ring of turbine, etc.
蜗壳内充水保压系统，主要包括加压水泵及其控制装置、蜗壳进口闷头、座环密封环等组成。
Longtan hydropower station is large in big structure size of spiral case, high in installation accuracy and welding requirement, poor in welding environment, and short in construction period.
龙滩水电站机组蜗壳结构尺寸大，安装精度和焊接要求高，焊接环境差，工期要求短。
The concrete structure surrounding spiral case of the Three Gorges power station's powerhouse becomes one of the most complicated structures of the powerhouse for its queer geometric figuration.
三峡电站厂房蜗壳外围混凝土结构由于其几何形态的奇异而成为三峡电站厂房结构中最复杂的结构之一。
In this case, the orbit of the rotating asteroid will very slowly spiral toward the sun.
在这种情况下，旋转小行星的轨道将非常缓慢地向太阳旋转。
In this case, the orbit of the rotating asteroid will very slowly spiral in toward the sun.
在这样的情况下，旋转小行星的运行轨道将非常缓慢地向朝着太阳的方向盘旋。
The findings confirm an earlier observation by a team of astronomers, making a strong case that the Milky Way has two major spiral arms, a common structure for galaxies with bars.
此发现证实了一个天文学家小组先前获得的观察：银河系有两条主要的螺旋臂，是一个普通中心带有横条的星系结构。
The mirror, in this case, is a vast blob of gas about 70,000 light-years away from the center of a spiral galaxy, where the quasar resides.
从这种情况看，这个大家伙实质上是来自70000光年之外的星系螺旋线（宇宙射线）的视像，也即是类星体所在之处。
A single case of meningitis can drive a family into a spiral of poverty from which they may never recover.
一例脑膜炎就可使一个家庭坠入贫穷的漩涡，从此可能永不得翻身。
You go around in a circle, and all of a sudden you no longer have the pull or the push and you go around in a spiral and obviously, that is not the case.
原本是圆周运动，突然间，推力和拉力都没有了，这就会呈螺旋状运动，显然，这是不对的。
It gives a theoretical analysis to the motion of mail case in spiral slide, presents conditional formulas among the designing parameters of spiral slide, and draws parameter curves.
从理论上对信盒在螺旋滑道中的运动进行了分析，提出了螺旋滑道各设计参数间的条件公式，并绘出了参数曲线。
Conclusion Spiral ct can clearly show the lumbar disc and its direction, extent, and dural sac, nerve root compression case, the diagnosis of lumbar disc herniation has a higher value.
结论螺旋CT能清楚显示腰椎间盘突出及其方向、程度以及硬膜囊、神经根受压情况，对诊断腰椎间盘突出症有较高的价值。
The new whipstock system is mainly comprised of cylindrical case, localizer, spiral rotating sleeve, whipstock and deflecting tools.
这种转向系统主要由圆筒式壳体、定位器、螺旋转套、斜向器和造斜组合钻具等组成。
In the case of the Whirlpool Galaxy, above, you can see exactly where along its great spiral arms it's presently forming stars, just from this red glow of the hydrogen!
对于漩涡星系，如上图所示，通过氢发出的红色光，你很容易就能区分出旋臂内的恒星形成区。
In certain case it might be necessary to further decompose a spiral into convex subsets.
在某些情况下，把一个螺旋形进一步分解成凸子集是必要的。
As in the case of helical gears, spiral bevel gears give a much smoother tooth action than straight bevel gears, and hence are useful where high speed are encountered.
在案件的螺旋齿轮，螺旋锥齿轮给予一个更平滑齿行动的机率远高于直锥齿轮，因而是有益的高速，都遇到。
As in the case of helical gears, spiral bevel gears give a much smoother tooth action than straight bevel gears, and hence are useful where high speed are encountered.
在案件的螺旋齿轮，螺旋锥齿轮给予一个更平滑齿行动的机率远高于直锥齿轮，因而是有益的高速，都遇到。
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