喇叭口

lǎ ba kǒu
  • Bell mouth;pipe end;mouth of a wind instrument
喇叭口喇叭口
  1. 研究表明:面心立方结构的TiN涂层晶粒形貌为典型的喇叭口结构,沿(200)、(111)择优生长;

    Results show that TiN coating is bell mouth columnar structures and shows ( 200 ), ( 111 ) preferred orientation .

  2. 红边斜率(Dr)在拔节期、大喇叭口期和开花吐丝期与叶片氮含量的相关关系均达到了极显著水平。

    Correlation between red-edge slope and leaf N content was up to most significant level at jointing , booting and anthesis-silking stage .

  3. 夏玉米茎秆中SPS、SS活性从拔节期到大喇叭口期增大,大喇叭口期到抽雄期再逐渐减小。

    The SPS and SS content in the summer maize stems increased from jointing stage to great bell mouth stage , and reduced from great bell mouth stage to heading stage .

  4. 该装置与稀释分散水泥浆的FN清洗液配合使用,能避免尾管固井碰压后下钻通井清洗喇叭口作业,从而保证电测和采油等后续作业的顺利进行。

    Cooperating with FN cleaning fluid , which dilutes dispersed cement slurry , this equipment can avoid trip in drifting cleaning bell mouth operation after liner setting , therefore ensures the smooth operation of electric logging and oil production .

  5. 整个生长期间,三品种的LAI都随着密度的增加而增大,以大喇叭口期到吐丝期增长速率最快,到蜡熟期以后LAI减缓。

    In the whole growing period , the LAI of the three varieties get bigger as the change of the density , increasing most quick from silk to big trumpet period and getting deceleration at the later period of wax mature .

  6. 并且发现,对试验的芳砜纶纤维来说,当喇叭口中心距为11mm时,成纱点稳定,成纱毛羽数量较少。

    It is also found that the yarn forming point is stable with the least hairiness when the center distance of trumpet reached 11 mm .

  7. 指出东风4、7型机车车轴的疲劳裂纹集中发生在齿轮镶入部的喇叭口处,距轴端面630~680mm,并分析了疲劳裂纹产生的原因。

    It is pointed out that the fatigue cracks of the axles of DF 4,7 locomotives occur frequently at the bellmouthing of the gear inserting positions , 630 ~ 680mm away from the axle end face . The reason of resulting in fatigue cracks is analysed .

  8. 既有运营隧道增建喇叭口施工技术

    Techniques of building a bell mouth to an operated tunnel

  9. 玉米磷素营养在大喇叭口期的光谱响应较为强烈。

    Spectral response of corn phosphorus nutrition was consuming at booting stage .

  10. 尾管悬挂器喇叭口清洗技术及应用

    Liner Hanger Bell Mouth Cleaning Technology and Its Application

  11. 变截面喇叭口在预应力混凝土扁梁中的应用

    The Application of Non-uniform Bellmouth in Prestressed Concrete Flat-beam

  12. 前庭导水管扩大14耳:前庭导水管开口扩大呈喇叭口状,与总脚相通。

    Dilated vestibular aqueduct ( 14 ears ): The vestibular aqueduct was bell-mouthed .

  13. 西安安康铁路喇叭口隧道的设计与施工

    Design and construction of tunnels with Bell typed entrance on Xian Ankang Railway

  14. 并条或转杯喇叭口宽。

    Wider nozzle at draw frame or rotor .

  15. 在任何阶段,条子的喇叭口太窄。

    Too narrow sliver trumpet at any stage .

  16. 在大喇叭口期和吐丝期之间,形成一个局部最高水分区域。

    Between flare opening and spinning period , the local maximum moisture zone is formed .

  17. 喇叭口拥堵大量的液体沥青。

    A mammoth trumpets liquid pitch .

  18. 喇叭口期以前的幼虫为害虽然造成花叶,但其成活率很低,对玉米影响不大。

    Before whorl stage there was little effect of larvae on corn plants although they fed leaves .

  19. 大喇叭口期以后根系干重在土壤中的垂直分布呈负指数曲线趋势变化。

    After flare opening stage apeak distribution of dry weight root in soil was Negative Index curve .

  20. 喇叭口喉部文丘里喷嘴

    Toroidal throat Venturi nozzle

  21. 进口喇叭口顶缘选取悬链线型式,以改善流态和提高泄量;

    The intake bell mouth took the curve of catenaries to improve flow pattern and to increase discharging capacity .

  22. 金黄色的迎春花,花朵并不大,样子像小喇叭,喇叭口分成四个小花瓣。

    Golden jasmine flowers is not big , like small horn , bellbottom are divided into four small petals .

  23. 减少引起燃油流动压力的化油器空气喇叭口部分称为喉管。

    The portion of the carburetor air horn that reduces pressure to cause fuel to flow is called the venturi .

  24. 说明玉米生育前期(大喇叭口期前)进行有限的控水可行。

    It implied that limited controlling water ( moderate water stress ) is feasible before big flare period of maize .

  25. 吸收段石墨块的孔内设有喇叭口(24)。

    A horn mouth ( 24 ) is arranged in the hole of a graphite block of an absorption section .

  26. 小麦灌浆期(玉米大喇叭口期)小麦高出42.08%,玉米高出124.13%;

    42.08 % and 124.13 % at the stage of milky stage of wheat ( male tetrad stage of maize );

  27. 拔节期和大喇叭口期分两次追施和大喇叭口期一次施入产量相近。

    The yield of two times of the fertilizer application at bell stage was similar to that of one time .

  28. 在玉米植株的拔节期和大喇叭口期,密度对株高作用比较明显。

    The density effects on plant height were more obvious at jointing and big trumpet stage than the other stages .

  29. 目的研究喇叭口状残根根管重塑对牙根-桩核联合体抗折性能的影响。

    Objective To assess the effect of rehabilitation of flared root canal on the fracture resistance of root and post-core system .

  30. 喇叭口地形对一次暴雨影响的数值试验箱涵式进水流道水泵喇叭口悬空高度试验研究

    Numerical Experiment of Trumpet-shaped Topography Influence on a Heavy Rain Experimental Research on Pump Setting Characteristics with Different Suction Open Height