近場壓力 的英文怎麼說
中文拼音 [jìnchǎngyālì]
近場壓力
英文
near field pressure-
In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed
本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性,計算了分支血管血液流動的速度矢量分佈,同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈,及顆粒物所受壓力狀況,給出了顆粒物的運動趨勢,分析了引起粥樣斑塊病變、血瘤、血栓的可能原因Small - and - medium sized commercial banks find themselves stuck in this perfervid battle facing great pressure for survival
在這場幾近白熱化的爭奪戰中,中小商業銀行處境艱難,面臨著嚴峻的生存壓力。First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。After again leaving marlott, her home, she had got through the spring and summer without any great stress upon her physical powers, the time being mainly spent in rendering light irregular service at dairy - work near port - bredy to the west of the black - moor valley, equally remote from her native place and from talbothays
在她再次離開馬洛特村她的家后,整個春天和夏天她都是在體力上沒有太大的壓力下度過的,主要是在離黑荒原谷以西靠近布萊底港的地方做些奶場上的工作,那個地方離她的故鄉和泰波塞斯一樣的遠。Towards the end of the year, a weakened economic outlook in the u. s. exerted downward pressures on the us dollar, leading to a decline in the eeri, which closed at 102
接近年底時,市場看淡美國的經濟前景,美元受到下調壓力,港匯指數再次下跌,收市時報102 。Although nearly a few months come, the bounds of lift a ban makes work current an amount and market prise are in growth, but the market was not experienced immediately apparently be restricted to make work current a pressure that sees forbidden band come in succession
盡管近幾個月來解禁的限售流通股數量和市值在增長,但市場顯然並未馬上感受到限售流通股陸續解禁帶來的壓力。Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied
基於creen公式和薄翼理論假設導出的升力面方法,採用在螺旋槳拱弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能,螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處理。Torre said that far too many yankees have been pressing during this extended skid, which has seen them lose 13 of 18 and settle into a tie for last place in the american league east
老爹說:有太多的洋基人在這個連敗過程失利中承受著壓力,這滑鐵盧讓洋基在最近的18場中輸掉13場並與魔鬼魚並列美聯東區末座。Such market environment in turn exerts strong pressure on the gross profit margin of the group s embedded software and turnkey device solutions business
市場以功能簡單和規格近似的低檔產品為主流,使集團的嵌入式軟體及整套裝置方案業務之毛利率面對沉重下調壓力。Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying
本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參數選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。Through analyzing bed ' s response to wave, in the condition that super - stratum is more hard and second - stratum is more soft in region of interest, super static interstitial hydraulic pressure amplitude die away rapidly between stratums, before in sight of boundary between hard and soft stratum, plane effective pressure increase to max. shear stress reach peak value when bed thickness is approximately 2. 7 meters, then it will decrease to the minimum on the place where the flexible soil has a common boundary with the rigidity, so the boundary is the most destroy plane on engineering. on the basis of reconnaissance in situ, in normal situation of sea, the structure slides to the basin along the boundary
通過對底床在波浪下的響應分析,對于研究區底床上層較硬而第二層較軟的情況,超靜孔隙水壓力幅值在層間交界處迅速衰減,在臨近硬、軟地層交界處前,水平有效應力增至最大,剪切應力在底床厚度大約2 . 7米左右達到峰值,然後減小,到硬、軟層土交界位置,達到最小,因此這個界面就是最容易發生破壞的工程軟弱面,現場勘查證明,即使在正常海況下,構築物也會沿坡以此交界面為滑動面,緩慢向「盆」底滑動。By means of similar simulation, lateral abutment pressure distribution and concentration degree which at the face of the upper coal, the distance between peak stress and coal surface, the influence circle of abutment pressure, and the transfer and weakening of concentrated pressure at the bottom side are analyzed on actual geology data in pingdingshan 8th mine f15 and f ( subscript 16 - 17 )
摘要採用相似模擬的方法,以平頂山八礦己二采區己15和己(下標16 - 17 )煤層實際地質資料為基礎,分析了近距離煤層上煤層開采時,在上煤層采場兩側向的支承壓力分佈及集中程度、峰值距煤壁的距離、支承壓力的影響范圍;一定范圍內底板中集中應力的傳遞及漸衰減特徵。In recent ten years, under the tense market competition, the real estate circle is struggling for strategies to way out from crisis and to win by surprise
近十年來,房地產業界在激烈的市場競爭壓力下,許多仁人志士都在謀求擺脫危機、出奇制勝的謀略方法。In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth
最後,鑒于boussinesq型方程和緩坡方程是在不同的假設條件下推導而來,應用於描述近岸水域波浪的傳播變形時具有不同的特點。本報告根據作者所建立的可以對任意水深點流場與波動凈壓力場進行求解、適宜水深任意變化水域非線性波傳播的數學模型,提供了在較強非線性作用下波浪傳播的數值模擬結果。And a post - liquefaction test method has been put forward, in which the cyclic loading and the static loading courses are both controlled by stress mode. this method reflects the in - situ conditions well and truly, and a lot of tests have been done using this method. in these tests the effects of confining pressure, relative density, liquefaction severity etc. have been thoroughly investigated
主要工作內容如下:參與研製了振動扭剪全自動多功能三軸儀,並利用其獨特試驗功能設計了一套飽水砂土液化后特性的試驗方法,試驗過程中模擬地震作用的動加載過程及模擬大變形發生的靜加載過程均採用應力控制的方式進行,試驗方法跟現場條件更為接近並用該試驗方法對相對密實度、固結壓力、液化度等對液化后變形特性的影響進行了研究。From the past research work, it has been known that the main mechanisms of spectral lines broadening in the atmospheres of stars are doppler broadening, spectral lines broadening by rotation and expending, pressure broadening ( stark broadening ), natural broadening, spectral lines broadening in magnetic field, sonic waves and alfv e n waves broadening, etc. but it is not enough to explain the recent observation phenomena by above theories of spectral lines broadening
以往的研究已經判明,在恆星大氣內譜線致寬的主要機制是多普勒致寬、自轉源或膨脹源引起的致寬、壓力致寬(斯塔克致寬) 、自然致寬、磁場引起的加寬、聲波及阿爾文波致寬等。然而,已有的譜線致寬理論不足以解釋最近的一些觀測現象,仍存在觀測值與理論值之間的差異。In addition, based on the research of this technique in recent years, combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in gravel and the principle of choosing grouting parameters, which provides experiences for applying this technique and further studying
同時,本文在吸取近年來對樁端壓力灌漿技術研究成果的基礎上,結合現場試驗研究結果,提出了適用於卵石層中滲透型、壓密型樁端壓力灌漿樁單樁豎向極限承載力計算方法和卵石層中灌漿參數選取原則。The 3d turbulent flow fields around high - speed trains of four kinds of model uain have been calculated by 3d parallel compute program coded with the algorithms presented in this thesis. from the calculation results, the aerodynamic drag of different types of model trains are obtained, some characteristics of the flow field over the high - speed train are analyzed preliminarily such as pressure distribution and diversification, velocity distribution and diversification, and the affections of different train head shape to pressure. velocity, pressure gradient and the like
用三維并行計算程序模擬了四種不同高速列車車型的外流場,獲得了不同車型的運行阻力;詳細分析了列車附近流場的壓力分佈及其變化情況,討論了列車頭型對列車通過時產生的壓力波動的影響;分析了四種車型外部流場的速度分佈規律及其變化情況,分析了列車頭部形狀對它們的影響。With these boundary conditions, the pressure field and the velocity field is visualized by numerical simulation. now, we can understand the complex flow field at the tunnel entrance from the images. these images are helpful for us to explore the complicated mechanism of the aerodynamic problems and make new aerodynamic model
通過對這個流場的可視化,使我們對洞口附近的復雜流場有一個直觀的了解,得出了高速列車從明線上到隧道洞口,再到隧道內時,隧道洞口附近的壓力場和速度場可視化結果,這有助於我們探索洞口復雜流場形成的物理機制,從而為我們進一步發現新的隧道空氣動力學問題,建立新的隧道空氣動力學概念和物理模型提供依據。分享友人