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wave hollow
相关语句
  波谷
     Research on Condensation Heat Transfer of Vertical Corrugated(Cosine-type)—finite element solution and heat transfer calculation of condensate flow in wave hollow area
     垂直波纹管(余弦型)冷凝传热研究——波谷区冷凝液流动的有限元解及传热计算
短句来源
     The greater the amplitude change of head wave of transverse velocity is, the severer the damage is, the later the arriving time of the first wave hollow and the longer the damaged element will be.
     当脉冲作用点在受损单元的起始位置时 ,脉冲作用点横向速度波首波波幅变化越大 ,损伤越大 ,脉冲作用点横向速度波的第一个波谷到达时间越晚 ,损伤单元越长。
短句来源
     At the sametime, based on the influences the structural parameters on the capabilities of thebellow, it takes the wave height, the thickness and wave hollow curve radius fordesigning variable, the every order natural frequency for objective function, andutilizes the optimization module to optimize the structure.
     同时根据波纹管结构参数对其性能的影响,以波高、厚度、和波谷曲率半径为设计变量,各阶固有频率为目标函数,利用有限元优化设计模块进行了结构的优化设计。
短句来源
     The results suggest that the leaching weight of heavy metals increases with the rise of L/S, in which the leaching weight of Cr and Cu increases in most cases, but the leaching weight of Cd, Ni and Zn changes slightly when L/S exceeds 20. The leaching behavior of Pb is special, for its leaching curve has obviously a wave crest and a wave hollow.
     结果表明,重金属的浸出量都随着液固比的增加而增加,其中Cr、Cu一般呈上升趋势,Cd、Ni、Zn在液固比大于20时曲线变化较平缓,Pb的浸出规律比较特殊,有一个明显的波峰和波谷
短句来源
     The distances between two adjacent fringes to reference mirror space is a standard light source wavelength apart,so the key of this measurement method is to locate the wave crest or wave hollow of fringe pattern accurately,thus the task of sampling height of mirror surface is completed.
     干涉条纹图像上相邻条纹与参考面之间的距离相差一个标准光源波长,因而该测量方法的关键是得到条纹波峰或波谷的精确位置,从而达到了镜面相对高度的采样的目的。
短句来源
  相似匹配句对
     WAVE PROPAGATION IN THE PIEZOELECTRIC HOLLOW CYLINDER
     压电空心圆柱中波的传播
短句来源
     STUDY ON THE STABILIZATION OF THE HOLLOW BLOCK UNDER WAVE ACTION
     波浪作用下空心块体稳定性分析初探
短句来源
     Hollow Man
     透明人
短句来源
     reversed T wave;
     T波倒置;
短句来源
     EMOTIONAL WAVE
     情感的风涛——读秀侠
短句来源
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The test results of mechanical and sealing performance at room temperature of flexible graphite gaskets reinforced by corrugated metal sheet are discussed and analyzed. The investigation indicates mat this sort of gasket has well compressibility, resilience and sealing behavior. The sealing experimental curve and equation was attained on these experiments, which are important sealing design reference of this gasket. Because the flexible graphite sheet and corrugated metal sheet was pasted together, the graphite...

The test results of mechanical and sealing performance at room temperature of flexible graphite gaskets reinforced by corrugated metal sheet are discussed and analyzed. The investigation indicates mat this sort of gasket has well compressibility, resilience and sealing behavior. The sealing experimental curve and equation was attained on these experiments, which are important sealing design reference of this gasket. Because the flexible graphite sheet and corrugated metal sheet was pasted together, the graphite was not plenum in wave hollow. So the gasket has low supportability during its initialize impacting stage and we suggested that the gasket should be compressed in advance before leave factory.

本文论述分析了波齿复合垫片的常温力学性能和密封性能试验研究。研究表明,波齿复合垫片具有良好的压缩回弹性能和密封性能;在试验的基础上得出了密封试验曲线及其关系方程式,可作为该种垫片密封设计的重要依据;因石墨纸与金属波齿的结合是采用粘贴方式,波谷内未能充实柔性石墨,因此反映出垫片初始压紧阶段的承载能力低,故建议垫片出厂前应进行预压缩。

The effect of boundary layer on the erosion wear cause of the pump blade is analyzed . Studies accept that wavy wear trace for blade face is a brand of the ready-ordered structure of abrupt vortex in turbulent boundary layer. Evolutional rule of wear trace wavelength and wave hollow from calculation of boundary layer parameter are deduced. A new thread of researches in erosion wear is provided .

分析了边界层对水泵叶片冲蚀磨损的影响,研究认为叶片表面的波纹状磨痕是紊流边界层猝发涡拟序结构的烙印。通过对边界层参数的计算推论磨痕波长和波深演变规律,提出了冲蚀磨损机理新的研究思路。

TCLP experiment has been performed to study the relationships between liquid-to-solid ratio (L/S), initial pH value, extraction time and leaching characteristics of heavy metals (Pb, Cr, Cd, Ni, Cu, Zn) in fly ash from a coal and MSW(municipal solid waste) co-firing fluidized bed incinerator. The results suggest that the leaching weight of heavy metals increases with the rise of L/S, in which the leaching weight of Cr and Cu increases in most cases, but the leaching weight of Cd, Ni and Zn changes slightly when...

TCLP experiment has been performed to study the relationships between liquid-to-solid ratio (L/S), initial pH value, extraction time and leaching characteristics of heavy metals (Pb, Cr, Cd, Ni, Cu, Zn) in fly ash from a coal and MSW(municipal solid waste) co-firing fluidized bed incinerator. The results suggest that the leaching weight of heavy metals increases with the rise of L/S, in which the leaching weight of Cr and Cu increases in most cases, but the leaching weight of Cd, Ni and Zn changes slightly when L/S exceeds 20. The leaching behavior of Pb is special, for its leaching curve has obviously a wave crest and a wave hollow. The leaching concentration of heavy metals at initial pH≤2.90 is larger greatly than that at initial pH≥4.03. With the increase of extraction time, the leaching concentration of Pb, Cr and Zn decreases, but that of Cd and Ni increases in general. The leaching concentration of Cu increases first, and then reduces. Among the three factors which are L/S, initial pH and extraction time, the effect of initial pH on heavy metals leaching is the largest. Heavy metals leaching from fly ash is more easily in acidic liquor than in basic liquor.

对用流化床焚烧炉混烧垃圾和煤的布袋飞灰进行了重金属的TCLP(ToxicityCharacteristicLeachingProcedure)浸出特性实验,探讨了液固比、初始pH值及浸出时间对飞灰中重金属Pb、Cr、Cd、Ni、Cu、Zn的浸出影响。结果表明,重金属的浸出量都随着液固比的增加而增加,其中Cr、Cu一般呈上升趋势,Cd、Ni、Zn在液固比大于20时曲线变化较平缓,Pb的浸出规律比较特殊,有一个明显的波峰和波谷。重金属在浸取液的pH≤2 90时的浸出浓度远远大于pH≥4 03时的浸出浓度。Pb、Cr、Zn随着浸出时间的增加,浸出浓度下降,而Cd、Ni上升,Cu是先上升后下降。在液固比、初始pH值及浸出时间这三个影响因素中,pH值对重金属的浸出影响较大,重金属在酸性环境下较易浸出。

 
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