頂隙 的英文怎麼說
中文拼音 [dǐngxì]
頂隙
英文
bottom clearance-
Aerospace - tripod jacks - clearance dimensions
航空航天.三腳千斤頂.間隙尺寸The limited hydrothermal karst and mixed zone beneath the anticline axis controls the porosity distribution of ordovician system and it is anticipated that surroundings of the axis of fold formed by compressional reverse orverthrusting during indo - chinese epoch and the coordinated area of morphology of anticline in the screen of buried hill and that of top surface morphology is the best position for development of the reservoir
局限的熱液巖溶和裸露的背斜軸部之下的混合帶對千米橋潛山奧陶系孔隙分佈具有重要控製作用，預期在印支期擠壓逆沖作用形成的背斜軸部，特別是潛山內幕背斜形態與潛山頂面形態相互協調的區域，應是儲層發育最好的部位。Some results are interesting, for example, in our calculation, there are no reconstruction in the cleaned pbte > pbse > pbs ( 001 ) surface. but there are different rumple occurs. unlike the iii - v and ii - vi semiconductors, there are no surface states in the fundamental gaps
在表面電子結構特徵方面，與111一v族和n一vl族化合物不同，基本帶隙中不引入表面態，而在導帶頂和價帶底附近以及更深能級中出現表面態或表面共振態等。Abstract : this paper uses the topology theory to analyze the surface flow spectrums of straight, positively curved and negatively curved cascades with relative tip clearances of 0. 023 and 0. 036, finds apparent differences of topology and vortex structures in the blade tip and the suction side wall corner of single type of cascade with this two clearances, and studies the mechanism of the difference formation as well as their effects on the energy loss
文摘:應用拓撲原理分析了葉頂相對間隙為0 . 023和0 . 036的渦輪直葉柵和正、反彎葉柵的壁面流譜，發現在兩種間隙下同類葉柵的拓撲與旋渦結構在葉頂和吸力面壁角明顯不同，探討了差別形成的機理及其對能量損失的影響After thoroughly analyzing the influence of each pump parameters on the gear pump performance, the paper developes the criterion for optimum gear parameters, which can be utilizied in practice easily for gear manufacturing using normal involute gear hob with two - fillet type. the conclutions studied by the paper are : 1. both the addendum coefficient and the deddendum coefficient of the pump gear should be 1. 125
以目前國內普遍使用的雙圓弧頭全齒高為2 . 5倍模數漸開線標準滾刀作為泵齒輪的加工刀具，通過對齒輪加工原理的分析，提出了欲使泵齒輪參數達到最佳，泵齒輪的齒頂高系數和齒根高系數都為1 . 125 ；對變位系數的確定應考慮到泵齒輪的根切、齒頂厚、重合度以及側隙因素；泵齒輪為避免過渡曲線干涉，必然要存在根切現象。In the light of the problems during the tank bottom plate welding of 150000 m ^ 3 double - pontoon floating roof oil tank, the paper analyzes the deformation cause of tank wall shell in welding
摘要分析了15 10 ^ 4立方公尺雙盤浮頂油罐罐底板焊接過程中出現的問題，提出焊縫收縮使得對接間隙變小是引起邊緣板變形的主要原因。They inspected the roof for leaks
他們檢查了屋頂看看是否有漏隙。They examined the roof for leaks
他們檢查了屋頂看看是否有漏隙。Roll mat - - - can be cut and fit into different types of cavity wall, can be installed into any position of the construction, especially the long and nonblocked area, such as the roofing of metal building ; the slot of power lines, water pipes
卷氈- - -經切割可以用於任意尺寸的墻體空腔，安裝于建築的任意部位，特別是長而無阻塞的區域，如鋼結構屋頂；電線管、水管通過的槽隙等。Simply designed and precision crafted stainless steel domed covers fit flawlessly inside the cookware, sealing in heat and moisture
簡單設計和精確加工的不銹鋼圓頂蓋無縫隙地蓋在鍋內，封住了熱和水氣。The in - situ testing includes surface deformations, sub - surface movements, earth pressures, pore water pressures, underground water levels, spt, stresses of pipes and pipe - soil contact stresses. in addition, the total jacking forces, deviations in line and level of the pipe line and earth pressures in the earth pressure balance machines ( epbm ) are also recorded. the results of field - testing are analyzed, and the variety of testing datum include earth pressures, pore water pressures and underground water levels during the course of the shield through it are studied
現場測試內容包括地面變形、深層土體變形、土壓力變化、孔隙水壓力變化、地下水位變化、土體標準貫入試驗、管道內力變化、管土接觸應力變化以及頂管施工現場記錄（包括頂力、土壓力、平面偏差、高程偏差等） 。The complex vortex system structure and shock wave system structure inside this rotor is obtained. wall flow patterns on the blade surface and hub surface are found out. the complex vortex system structure, such as horseshoe vortex, passage vortex, corner vortex and trailing vortex, and the interaction with shock wave system are researched. especially, the character of the tip clearance flow inside the rotor passage is revealed, and the interaction between shock wave and tip clearance flow near blade tip and the evolution of tip clearance flow are considered
給出了葉片表面及輪轂面上的壁面流型，分析並揭示了轉子葉道內的馬蹄渦、通道渦、角渦、尾渦等復雜渦系及其與激波的相互干涉；特別是，分析並揭示了轉子葉道內頂隙射流的特點，得到了頂隙附近激波與泄漏流動的干涉形態及泄漏流動的發展，並著重給出了其與激波的干涉形態。The test study change of the soil pressure, the touch pressure between pipe and soil, pore pressure, the movement of depth soil, the underwater level and the deformation of earth surface in process of pipe jacking
研究了頂管施工過程中引起的土壓力、土體與管壁的接觸壓力、孔隙水壓力、深層土體位移、地下水位的變化以及地表變形等的影響。At the same time, tip leakage induced by pressure gradient and relative motion between the blade tip and the shroud wall is found to have a major influence on detailed flow properties in tip region of rotor passage
同時，由於轉子葉片壓力面和吸力面之間壓力梯度以及葉頂與機匣之問的相對運動產生的間隙流對轉子通道內的細微流動結構有較大的影響。Study on coal seam roof gas drainage from the strike of annular fracture areas by the long drill method
開採煤層頂板環形裂隙圈內走向長鉆孔法抽放瓦斯研究Abstract : a 3d numerical solution of transonic turbulent flowfield inside a compressor rotor is analyzed with a consideration of blade tip clearance
文摘:藉助于考慮葉片頂部間隙的壓氣機轉子內跨音速湍流流場的三維數值解，得到了該轉子流場中的復雜渦系與波系結構。On the basis of above work, by using of " thin blade approximation ", a 3d viscous code had been developed to calculate flow field in rotor with tip clearance
在以上工作的基礎上，採用「薄葉片」假設，發展了一種用於計算考慮頂部間隙的壓氣機轉子內部流場的三維粘性程序。Specification for clearance dimensions for tripod jacks for aircraft
航空用三角架千斤頂間隙尺寸規范Aiming at stress analysis of dip angle fully mechanized top - coal caving support in mining, from the technique of designing and mining, put forward technique measurements : reduce gap of support beam ; increase the inter - frame jack in neighboring support beam
針對大傾角放頂煤支架在開采過程中的受力情況，提出了防止液壓支架傾倒的技術措施是：減少支架頂梁間隙；在鄰架頂梁間增設調架千斤頂。The assembly shall also include two resilient seated isolation valves, four top - mounted resilient seated test cocks and an air gap drain fitting
這種總成應該包括兩個彈性閥座隔離閥，四個頂部安裝彈性閥座測試旋塞和一個氣隙排放接頭。分享友人