管壁厚度 的英文怎麼說
中文拼音 [guǎnbìhòudù]
管壁厚度
英文
pipe thickness-
Aimed at tube curve by sun shining, it analyzes and calculates the instance of curve when tube up and down face have difference in temperature, and discourses upon it influenced degree to cannon firing accuracy. for hot spread asymmetry caused tube curve, it explains it ' s form cause. for irregularly hot stress acting tube curve, it stressfully analyzes effect of body tube wall thickness difference
重點分析了身管熱彎曲產生機理,針對太陽照射下的身管彎曲,分析計算了身管上下表面存在溫度差時的彎曲情況,論述了其對火炮射擊精度的影響程度;對于散熱不均引起的身管彎曲說明了其形成原因;對于不規則熱應力作用下的身管彎曲重點分析了身管壁厚差的作用。Pvc standard for safety for schedule 40 and 80 rigid pvc conduit
管壁厚度40和80的硬聚氯乙烯Depressie symptoms were associated with plaque build - up during the 3 - year study, the authors report, whereas anxiety and anger symptoms seemed to be unrelated
研究人員使用癥狀評分法評估抑鬱、焦慮、憤怒,使用測量頸總動脈管壁厚度的影像學方法評價動脈粥樣硬化的程度。頸總動脈位於頸部,其功能是向大腦供氧。The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle
在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土相互作用等;斷層考慮有斷層類型,斷層斷距,斷層錯動距離,斷層與管道的交角,斷層材料的考慮等;荷載分別考慮靜荷載,動荷載,其中動荷載包括線性位移加載、地震力加載和地震波加載等。Aerospace. tubing. outside diameters and thicknesses. metric dimensions
航空航天.管材.外徑和管壁厚度.米制尺寸This dissertation investigates the influences of internal press and missiles shape on deformation and rupture of a multi - span thin - walled metal tube that struck by a large - mass and slow - speed missile transversely. 103 impact tests were conducted on a thin tube ( d / t = 44 ) either empty or filled with water using a missile ( dm / t = 6 ) with various nose shapes ( flat - nosed, hemisphere - nosed and conical - nosed )
採用三種彈體(平頭、半球形和圓錐頭,彈體直徑與管壁厚度之比d _ m t = 6 )對空管和高壓充水薄壁鋼管(徑厚比d t = 44 )進行了沖擊破壞實驗,預加工作內壓分別為0mpa , 5mpa , 10mpa和15mpa 。The sintef work indicates that it is possible for the increased flexibility due to ovalization of the bend to be more than compensated for by a large increase in the wall thickness of the bend, with the result that the global flexibility factor could be less than 1, i. e. the bend is stiffer than the pipe
試譯如下: sintef的文件表明由於彎管橢圓化所增加的撓度可能更容易被彎管壁厚的較大增量所抵消,從而整體撓曲系數會小於1 ,如果彎管硬度大於管道硬度。In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled
本文利用分數維空間模型,首先研究了zno / mgzno量子阱中系統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化,從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響;其次計算和模擬得到六棱微管zno薄膜的系統維度、激子波函數及吸收譜,討論了微管壁厚對激子的限制情況。Thickness of pipe
管壁厚度Packaging - flexible aluminium tubes - wall thickness determination method ; german version en 12375 : 1998
包裝.鋁軟管.管壁厚度的測定方法Aerospace ; tubing ; outside diameters and thicknesses ; metric dimensions ; identical with iso 2964, edition 1985
航空航天.管材.外徑和管壁厚度.米制尺寸.與iso 2964The fixed anvil of the tube micrometers has spherical surface. they are suitable for measuring the thickness of tubes
壁厚千分尺固定測砧為球面,適用於測量管壁厚度。This method is based on the lightening model by analyzing the parameters affecting the lightening efficiency, such as moore ratio of sodium, inner diameter and thickness of the tube, distance of electrodes, and availing of the experiences accumulated in the convetional design method
分析鈉摩爾分數、放電管內徑、管壁厚度、極間距等主要參數對其發光效率的影響,並總結傳統設計方法所提供的經驗,建立放電數學模型。Through the computation of the water hammer pressure in steel and pvc pipes with the characteristic line method, the influence of velocity of water, material and wall thickness of the pipes to the magnitude, crecent process and phase length of the water hammer pressure is analyzed
應用特徵線法,對鋼管及pvc管道中水擊進行計算,分析了管道中水流流速及管道材料、管壁厚度對管道中水擊壓強大小、水擊壓強的增長過程及其相長的影響。Abstract : tensile reducer is one of the necessary apparatuses during the pipe production process at present. this paper deduces a multi - variation formula by using the energy principle and adopting upper limit method. the formula can be used to calculate the parameters such as the drive power, tensile coefficient, roll speed, depth of exit pipe wall, hole type ellipse etc. the existence of minus drive power has also been theoretically calculated
文摘:張減機是鋼管生產中不可缺少的設備之一.本文從一般能量原理出發,採用上限法推導出一個多變量公式,利用該公式可求解電機功率、張力系數、軋輥轉速、出口鋼管壁厚、孔型橢圓度等參數,並且從理論上計算出電機負功率的存在Packaging - flexible aluminium tubes - wall thickness determination method
包裝.軟鋁管.壁厚度測定方法Parametric study indicates that steel thickness has small influence on the temperature field of cfst arch rib during construction, while diameter of tube has great influence. the thermal conductive coefficient of concrete has some influence on the temperature field ; but for the concrete with same aggregate, the coefficient varies in small range, so its influence is limited
應用通用程序對混凝土硬化過程中截面溫度場的分析表明:鋼管壁厚影響較小,而管徑的影響較大;混凝土導熱系數對截面溫度場有一定的影響,但對于同一種骨料的混凝土,其影響不大。Experimental results indicate that ( 1 ) the bearing strengths of the specimens decrease with the increase in the load eccentricity ratio while they increase with the increase in the steel ratio, and ( 2 ) binding bars help to improve the ultimate strength and the ductility of the eccentric - loaded specimens
結果表明,方形鋼管混凝土短柱試件的承載力隨著偏心率的增大而減小,隨著鋼管壁厚度(含鋼率)的增大而增大,設置約束拉桿有助於該試件極限承載力和延性的提高。On the premise of satisfying all constraint conditions stipulated in the codes with the pipe thickness spacing, height and thickness of stiffener rings as variables and the total steel quantity per meter of pipe as objective function, the program is developed for structural stress computation and comparison of total steel quantity used so as to select the alternative with smallest total steel quantity per meter of pipe
該程序在滿足規范規定的各種約束條件下,以管壁厚度、加勁環間距、高度和厚度等作為變量,以每米鋼管的總用鋼量為目標函數,進行結構應力計算和工程量比較,從中選出用鋼量相對最小的設計方案。On the basis of a case study regarding freezing engineering project from a coal mine, huainan, the frozen wall thickness, average temperature, freezing time of an oblique frozen tube axe simulated using large - scale non - linear finite element computational procedure adina numerical simulator, resulting in the data coincided with site measured
以淮南某煤礦凍結工程為研究背景,應用大型非線性有限元計算程序adina模擬凍結管偏斜條件下的凍結壁厚度、平均溫度與凍結時間等,結果和現場實測十分接近。分享友人