直立圓柱 的英文怎麼說
中文拼音 [zhílìyuánzhù]
直立圓柱
英文
right circular cylinder-
This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time
該鉆機採用曲柄連桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主，遇到特殊情況，用連桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。Abstract : in this paper, the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments, and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method. the results acquired in the simulation are in good agreement with those obtained in the experiments
文摘:本文利用有實驗根據的變形流動模式建立動可容速度場，利用上限法模擬用實心坯料精鍛直齒圓柱齒輪時坯料的外形尺寸變化和力?行程曲線，所得結果與實驗測定值很一致，可供沖擠精鍛工藝設計參考。With the development of coastal and offshore engineering, the local scour problems are paid more and more attention. however scour in the vicinity of large scale structures founded on seabed have caused destruction to the foundations since the problems have n ' t been studied extensively. based on the principles of local scour around seabed founded large diameter cylinders caused by both waves and currents, the flow and scour processes are investigated in this paper after summarizing and consulting lots of papers and researches existing currently
隨著近海及海岸工程的不斷發展，近海及海岸工程建築物基底附近的局部沖刷問題也逐漸引起關注、重視與研究，但是對波流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷研究較少，因而使得坐落在海床上大尺度建築物基底常常受到沖刷而致使基礎受到破壞。Changing the diameters and fixing angles of milling cutter can meet the machining requirements of helical surface. this method has been applied in the process of manufacturing twin - screw in rubber and plastic mechanics, which simplifies the process route and shortens the prepare time in production and at the same time saves the cost and improves technical and economic benefits
通過改變圓柱立銑刀的直徑和加工安裝角度來滿足螺旋面的加工要求，該方法已在橡塑機械用同向雙螺桿的加工中得到應用，縮短了加工工藝路線，減少了生產準備時間，節約了加工成本，取得了良好的技術經濟效益。The eye was, for a long time, wholly lost in this labyrinth, where there was nothing which did not possess its originality, its reason, its genius, its beauty, - - nothing which did not proceed from art ; beginning with the smallest house, with its painted and carved front, with external beams, elliptical door, with projecting stories, to the royal louvre, which then had a colonnade of towers
久而久之，目光深深陷入這迷宮里，把您也看得出神了，在迷宮里，從那門面雕梁畫棟、外部屋架木頭結構、大門扁圓、樓層懸垂的最末等的房舍，直至當時塔樓如列柱林立的富麗堂皇的盧浮宮，無一不是匠心獨運，合情合理，才華橫溢，美不勝收，無一不是藝術的結晶。In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。Based on the data on scour around large diameter cylinders exposed to waves and currents, effects of every kind of sea enviromental parameters on maximum scour depth are analyzed and guided by dimensional analysis and multidimensional linear regression, an equation is given to compute maximum scour depth around large diameter cylinders in combined waves and currents. compared with some other equations, this equation is more accrete, simpler and clearer and the compute d results are in good agreement with experimental ones
本論文主要是在總結國內外研究成果基礎上，從波浪與水流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷機理出發，研究和探討了圓柱周圍的沖淤形態；分析各種海洋環境參數對最大沖刷深度的影響，並利用已取得的實驗資料，採用量綱分析原理和多元線性回歸分析方法，建立一個波流共同作用下海床上直立大直徑圓柱建築物周圍的最大沖刷深度計算公式。The 142 - meter structure is designed along the lines of two non - concentric egg - shaped cylinders with glass and steel making up its pinnacle
這座142公尺高的大廈是由兩個非同心圓蛋型的圓柱體在頂端冠上玻璃與鋼鐵而成的，而在這圓柱內部則坐落直立式循環的核心。Therefore the method and the equation developed in this paper to compute maximum scour depth is applicable and provides a reliable and convenient way to access maximum scour depth in engineering
該公式與現有公式比較，概念清晰、型式簡單，採用該公式計算大尺度直立圓柱建築物基底的最大沖刷深度可給出令人滿意的結果，可供實際工程中估算最大沖刷深度。Analytical solution to the interaction between linear water waves with a rigid vertical porous cylinder is derived
導出了線性波浪作用於上部可滲透的直立剛性圓柱體上的水動力的解析解。A unified model was established for spur cylindrical gears, helical cylindrical gears, spur bevel gears and helical bevel gears
建立了直齒圓柱齒輪、斜齒圓柱齒輪、直齒圓錐齒輪、斜齒同錐齒輪的統一模型。According to the characteristics of these diameters and new gps regulations, some corresponding evaluation models of these diameters were built using section measuring method of the cylindricity
根據這些直徑的特點，依據圓柱度截面測量法建立了相應的評定模型。A research on the model for assessing the outside edge of the straight cylindrical ball - head milling cutter
直圓柱球頭立銑刀外緣品質評定模型研究Right circular cylinder
直立圓柱體分享友人