螺旋壁 的英文怎麼說

中文拼音 [luóxuánbì]
螺旋壁 英文
iralwall
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 壁 : 名詞1 （墻） wall （of a house etc ） : 銅墻鐵壁 bastion of iron2 （作用像圍墻的部分） wall of st...
  • 螺旋 : 1 （具有螺紋的圓柱體 屬于斜面類的簡單機械） corkscrewspin; screw; spiral; helix 2 （螺旋現象;尾旋...
  1. An axial filament, with a similar structure to a bacterial flagellum, is spirally wound about the protoplast inside the cell wall

    在細胞壁內部，和細菌鞭毛有相同結構的軸向細絲包繞細胞質並使之螺旋化。
  2. Propeller fans exhaust air through holes in the wall.

    螺旋式通風機從壁孔中排出空氣。
  3. On a level with the floor on every stairhead there was a low window which resembled a deep, square venthole, while in lanterns fastened to the walls flaring gas jets crudely illuminatcd the surrounding squalor and gave out a glowing heat which, as it mounted up the narrow stairwell, grew ever more intense

    每道樓梯的平臺邊，貼近地面都有一扇低矮的窗戶，方方正正地凹進去，像是氣窗。一些懸掛在墻壁上的燈籠，發出煤氣光焰，強烈地照射著這種種貧寒景物，還散發出一股熱氣，向上升騰，並聚積在各層狹窄的螺旋形樓梯下。
  4. Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less

    其中，螺旋鉆孔壓灌混凝土成樁技術自研製以來，已在多項復合地基工程中進行了應用，較好地解決了軟弱地層成孔困難的問題，適應地質條件范圍廣，成樁速度較快，工期短、工效高；與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較，具有無振動、無污染、無噪音的優點；另外，壓入鉆桿內的混凝土為泵送免振混凝土，因此樁體質量易於保證；與泥漿護壁和干作業成孔工藝相比，螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高，樁的承載性能較好，復合地基的變形較小。
  5. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  6. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  7. Application of steel wall - mounted spiral chute in coal mines

    鋼結構壁掛式螺旋溜槽在煤礦中的應用
  8. Thin - walled steel cylinder spiral welding machine

    薄壁螺旋焊管機
  9. Spiral tube forming machinethin - walled steel cylinder spiral welding machine - duct forming machine - sanben technology co., ltd. - cold curved shaping machinery -

    產品展示所有產品螺旋圓管系列薄壁螺旋焊管機-圓管系列-江陰三本科技有限公司-專業鈑金設備開發研製商-
  10. Next we visit the castle of chambord, the largest of the loire castles, built in 1519 by the king of france francis i. the castle is impressive by its size, its plan overall points out that of a medieval fortress

    隨后參觀在幽密森林中的香波堡此為羅亞爾河流域最大的城堡擁有440個房間365個壁爐其中風格獨特的螺旋雙梯，是達文西的精心傑作。
  11. Our main products include central material supply system, series drier, automatic charging machine, single double screw extruder, series heating and cooling blending machine, crusher, cold water machine, mould temperature controller, pipe, bar section, board, pp - r pipe, pe fuel pipe, plastic dual tubing extrusion production line and granulation completed production line equipment, at same time, we also carry on various plastic machine and refrigeration engineering. the products are sold well in every province and city of the whole country and also exported to about 30 countries and areas with strong technical force, advanced equipment, scientific management system and perfect after - sales service

    公司主要產品有集中供料系統系列乾燥機自動加料機單雙螺桿擠出機粉料高速混合機粒料混合機螺旋上料機牽引機切割機離心脫水機化纖團粒機全自動擴口機全自動計量混合裝置破碎機磨粉機冷水機模溫機管材型材板材pvc管材pp - r管材pe供水燃氣管材中空壁纏繞管材硅芯管材生產線，雙管擠出電工穿線管材造粒等全套生產線設備。
  12. Specially design co - extruding die, merely need to replace core mandril, it may produce solid - wall pipe, solid wall inner helix pipe foamed pipe and foam inner helix pipe

    特殊設計的共擠模頭，只需要換芯棒即可同時生產實壁管、實壁內螺旋管、發泡管、發泡內螺旋管。
  13. In chapter 3, after introducing the curvature - modified electronic structures of single - wall carbon nanotubes, we study the density of electronic states. the relations between the electronic structures and tube - diameters and chiralities are discussed

    第三章介紹了考慮捲曲效應后的單壁碳納米管的電子能級結構，並在此基礎上研究了單壁碳納米管的電子態密度，以及管徑和螺旋度對其電子結構的影響。
  14. In this thesis, we study the density of electronic states of single - wall carbon nanotubes. the effects of tube - diameters and chiralities on the electronic structures are discussed by means of the analytical expression of band structures of single - wall carbon nanotubes under the consideration of curvature effects

    本文中，我們通過考慮捲曲效應后的單壁碳納米管解析的能級結構表達式，研究了單壁碳納米管的電子態密度，以及管徑和螺旋度對其電子結構的影響。
  15. Linear adjustment of the head of a spiral wound thick - wall pressure vessel

    螺旋纏繞厚壁壓力容器封頭段的線型調整
  16. New york ( reuters health ) jan 03 - multidetector row helical ct allows an accurate diagnosis of appendiceal perforation by imaging a defect in the contrast - enhanced appendiceal wall, according to a report in the january 2008 issue of radiology

    紐約（路透通訊社健康版） 1月3日訊來自2008年1月出版的《放射學》的報道多排螺旋ct通過對比增強模擬闌尾壁的缺損，可以準確診斷闌尾穿孔。
  17. Material is fed into the inner cylinder of the feeding scroll through a feed pipe and into the solid - bowl after the acceleration

    物料由進料管連續引入輸料螺旋內筒，加速后進入轉鼓，在離心力作用下，較重的固相物沉積在轉鼓壁上形成沉渣層。
  18. Standard specification for smooth - wall coilable polyethylene conduit for preassembled wire and cable

    預組合電線及電纜用平滑壁螺旋式聚乙烯導管的標準規范
  19. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
  20. Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance

    編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比，結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性，在遠離入口弱旋流區域對軸向速度的預測符合實際情況，但是出現對周向速度修正過大的現象。
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