正壓力法 的英文怎麼說
中文拼音 [zhēngyālìfǎ]
正壓力法
英文
plus pressure process-
The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established
論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。Method of tests for fire door assemblies under positive pressure
正壓力下防火門組件測試方法In the end, the stability is discussed under the coulomb friction model, getting the normal force compensation method and the additive vibration control method, which are to stabilize the friction drive system to realize the controllability and stability, which is simple to realize in the micro manipulator
並通過對coulomb摩擦模型的穩定性討論,得出正壓力補償控製法,即以穩定摩擦力驅動摩擦振子實現微操作手運動的可控性及穩定性的方法分析。通過數值方法驗證正壓力補償控製法的適用性,為微操作器的運動控制提出可行方法。Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。Objective : to investigate the effect of pumpless portosystemic bypass in clinical piggyback liver transplantation. methods : after catheterized inferior mesenteric vein, the silastic catheter ( filled with heparin saline ) was connected with the catheterized tube of internal jugular vein or subclavian vein in four piggyback liver transplantation patients. the channel was opened after the portal vein was occluded. the portal vein blood poured into the superior vena cava through the pumpless channel. the changes of mesenteric congestion, portal vein pressure, blood pressure and pulse were observed. results : during the occlusion of portal vein, the portal vein pressure was increased greatly, the intestine was congested and swelled obviously and the blood pressure and pulse fluctuated gently. after the pumpless bypass opened, intestinal congestion and swell were abated markedly, the portal pressure, blood pressure and pulse gradually returned to normal range. conclusions : pumpless portosystemic bypass shows a great effect on clinical piggyback liver transplantation. it is a feasible and economical method
目的探討背駝式原位肝移植術中採用體外門-體靜脈無泵轉流的臨床效果.方法4例行背駝式原位肝移植患者,腸系膜下靜脈屬支插管經體外硅膠管(充滿肝素鹽水)與頸內靜脈或鎖骨下靜脈插管相接,在阻斷門靜脈后開通腸系膜下靜脈插管,門靜脈血從體外無泵轉流管流入上腔靜脈,觀察轉流前後腸道瘀血、門靜脈壓、血壓、脈搏等變化情況.結果門靜脈阻斷后腸道明顯瘀血、腫脹,門靜脈壓力明顯升高,血壓、脈搏有不同程度的波動,無泵門靜脈轉流開放后,腸道瘀血、腫脹明顯好轉,門靜脈壓力逐漸恢復正常水平,血壓、脈搏恢復正常.結論背駝式原位肝移植術中體外門-體靜脈無泵流具有方便、經濟、實用等優點,具有良好的臨床效果It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。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。The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier
本文採用兩相流連續介質模型,由兩相分離流動理論得到控制方程,採用chorin的直接速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流模型中,進行分析和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好地模擬了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。According to the information provided in the case and collected by the writer, the article applies " michuel e. porter, how competitive forces shape strategy ", " swot analysis ", " fredrick herzberg ' s two - factor theory of motivation ", " customer value appraisal model " and the theory of organization behavior, management economics, service marketing, human resource, etc to analyses the industry environment, operation situation, resource of the development district bank. then it points out the problem existent and in the end, it draws out a detailed strategy for development district branch for future development
案例分析部分,根據案例正文部分提供的素材和作者收集的其他有關資料,運用5種競爭壓力模型、 swot分析、雙因素理論、客戶價值評價體系等方法,結合組織行為學、管理經濟學、服務營銷學、人力資源學等理論知識,對開發區支行的行業環境、經營狀況、資源狀況進行了分析,指出了該行存在的問題,最後對開發區支行未來幾年的發展戰略作了詳細的規劃。Some fuzzy concepts exist in resolving forward extrusion solid object ' s unit extrusion pressure with slip line technique in current documents
摘要現有文獻用滑移線法求解正擠壓實心件的單位擠壓力,存在一些模糊概念。Standard test method for fire tests of door assemblies, including positive pressure testing of side - hinged and pivoted swinging door assemblies
包括側鉸鏈和旋轉門組件的正壓力試驗的門組件防火的標準試驗方法The fluxion model of gas and the gas pressure formula were decided in the surrounding of bore wall firstly, and according to the relation of gas content and gas pressure, the theory calculation formula of gas loss quantity was deduced, and finally, the revision method of original coal gas pressure was brought
摘要首先確定了孔壁周圍瓦斯的流動模型及瓦斯壓力表達式,進而根據瓦斯含量與瓦斯壓力的關系,推導出了瓦斯損失量的理論計算公式,最後提出了瓦斯壓力的修正方法。This paper studies the calculation methods of shipping shaft torsional vibration using holzer method, and put great emphasis on to study the basic process of calculation of shipping shaft torsional vibration and software designed, specially in the relation between the average indicate pressure and coefficient, between vector and coefficient proceeds and so on for deep into with the detailed discussion and research, rectified the some mistake, here foundation top, developed the new software of shipping shaft torsional vibration calculation
本文以霍爾茨( holzer )法作為船舶軸系扭轉計算的計算方法,著重研究了船舶軸系扭轉計算的基本過程和程序設計,特別對影響船舶軸系扭轉的幾個關鍵因素?平均指示壓力與簡諧系數的關系、干擾力矩與簡諧系數的計算與相互關系等進行較為深入和詳細的討論與研究,糾正了以往有關船舶軸系扭轉計算的一些錯誤。The united states has opposed the settlements on legal and political grounds. the bush administration has joined the issue now because in is being pressed by israel and its supporters to come through with a huge loan program to aid soviet immigrants
美國以法律及政治理由反對[在占領區]安置[新移民] 。布希政府現在加入辯論是因為以色列和支持以色列的入正施壓力,迫使政府提出巨額貸款計劃協助俄國[猶太]移民。Machine rectification : machine rectification is using machine power to rectify deformation, which can be taken by hand hammering or machine pressure
機械矯正法:機械矯正法是利用機械力的作用來矯正變形,可以用手工錘擊或機械壓力。As to the work about experiment study, at first, the paper makes certain the prominent affecting factors to the automating and humidifying property of this kind of nozzle by orthogonal experiment. by jicha analysis method and fangcha analysis method, the paper got that the nozzle aperture, the initial water temperature and the spraying pressure have prominent effect to the humidifying property while the effect of the original air state is small
試驗工作方面,首先通過正交試驗確定對撞針型高壓小孔徑離心式噴嘴霧化加濕性能影響顯著的因素,運用極差分析法和方差分析法,得到噴嘴孔徑、噴水初溫和噴水壓力對噴嘴的加濕性能影響顯著,而待加濕空氣初狀態的影響相對較小。Mps are pressing for the repeal of the immigration act
下院議員正在施加壓力使移民法得以廢止。The research of macro friction phenomena is a synthetically analytical method based on test. however, in micro world, the friction force and vertical press are all minute, which brings difficulties to test. when high measure precision is required, the resolution and sensitivity will be higher and not easy to obtain
宏觀摩擦現象的研究一直是採用以試驗為基礎的綜合分析方法,對于微摩擦研究,由於微機電系統結構體積比較小,且所測摩擦力和正壓力亦為微小量,這就給微摩擦測試裝置的實現帶來了很大的困難。During the solving process, simple method is adopted, and the pressure is weighted according to every phase ' s mass
求解過程中採用壓力校正法,校正壓力根據每相連續性方程按照質量加權計算獲得。Based on experience coefficient method, eccentric - pressed method and modified eccentric - pressed method, a new simplified calculation formula of the eccentric - loaded coefficients was presented according to the actual load transverse distribution on the rib
摘要基於經驗系數法、偏心壓力法以及修正的偏心壓力法等幾種偏載系數的簡化演算法,提出了按梁肋實際橫向分配系數來計算偏載系數的簡化公式。分享友人