等截面通道 的英文怎麼說

中文拼音 [děngjiémiàntōngdào]
等截面通道 英文
uniform channel
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. In performing ecap, a material is subjected to intense plastic straining by pressing a sample repeatedly through a die containing two channels, with equal cross - sections, intersecting at an angle. equal channel angular processing of the medium carbon steel ( 0. 45 wt. %

    Ecap變形是使試樣過橫並成一定交角的兩的模具中而產生強烈的塑性變形的一種變形方法。最近人們運用ecap變形方法成功地使低碳鋼及珠光體鋼組織超細化,關于這方的研究已引起了人們的廣泛關注。
  2. Then this paper concerns about the network packet intercepting technology of linux os and gives a thoroughly overview of network hacking methods and some application protocol criterion, including http, ftp, telnet, nntp, pop3, smtp etc. then the system design scheme of the transparent proxy has been discussed, this system can be divided to 4 modules below : establishment of transparent charnel, implement of proxy service, gui configuration and management application, accessory filter functions ( such as url filter, command filter and logger etc ). we explain key techniques in all 4 main parts of this system, define the interfaces of each module, what is more the main data structures and software implements codes are all illustrated

    首先,論文陳述了防火墻的相關技術基礎,分析了透明代理作為一種先進易用的防火墻技術的原理,闡述了linux操作系統網路數據包攔技術和http 、 ftp 、 telnet 、 nntp 、 pop3 、 smtp應用層協議的協議規范和具體的工作流程。接著敘述了本透明代理服務器的系統總體設計方案,將系統分為以下幾個部分:透明建立、代理服務實現、 gui配置管理程序以及過濾功能(如url過濾、命令過濾和日誌審計) 。論文然後分別介紹各個關鍵部分的具體實現要點,解釋了相互間的介關系,列出了主要數據結構和實現流程。
  3. According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing

    針對吸水變形、霉變主要發生在地板企口表的特徵,採用企口表全封閉法,在復合強化地板企口表噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深度,堵塞木纖維之間的空隙及毛細孔斷水分傳遞的渠,並改變毛細孔壁及纖維的表性質以不利於水的浸潤與吸附,同時其固化后能在企口表形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉現象。
  4. ( 2000 ). the neutron irradiation is assumed to derive primarily by the reaction 13c ( a, n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final, high temprature phase of each flash. and we considered the influence of the various parameters such as the initial core mass, the envelope mass, the mass - loss rate, the overlap factor and the delution factor etc., and we vary their value with the pulse number

    本文採用分叉s -過程反應,以~ ( 13 ) c ( , n ) ~ ( 16 ) o 、 ~ ( 22 ) ne ( , n ) ~ ( 25 ) mg為雙脈沖中子源,用最新的中子俘獲,利用gallino和busso人給出的agb星三殼層核合成模型,考慮到核心質量、挖掘程度、重疊因子、稀釋因子及星風質量損失率隨脈沖數的變化,詳細計算和研究了各個金屬豐度情況下的3m 。
  5. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法,分析了上埋式地下管橫向力學計算方法和性狀並探討了上埋式地下管的減荷問題: ( 1 )在分析現有幾種典型的管垂直土壓力計算方法的基礎上,探討了影響垂直土壓力的主要因素以及改進的方法; ( 2 )分別過彈性理論分析法和結構力學的方法,建立了地下管柔性圓環和剛性管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管的接觸因素的影響,利用有限元的思路,建立了地下管橫向力學有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管工程算例,得出了管周土壓力以及管應力的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。
  6. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達積統計性模型、目標角閃爍模型。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波,然後給出了信號處理流程。
  7. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管材質和磁化強度、檢測儀移動速度、管背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑漏磁信號預處理方法;分析了空間采樣的漏磁信號轉換為時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  8. Full - bore : full - bore straight - through type with connection between valve and pipeline or straight pipe, equal sectional area and " 0 " loss of flow

    徑:全徑直式,閥門與管或直管連接相積相,流量損失為「 0 」 。
  9. The experimental model is a rectangular section of 15. 2 187mm ~ 2, which is composed of two aluminum plates. the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other, or both 45 ? for two plates. in the experiment, the re numbers changes from 0. 4 10 ~ 4 1. 5 10 ~ 5, rib width - to - pitch are 0. 25, 0. 3 and 0. 5, rib width - to - height are 0. 25, 0. 3 and 0. 5, the rib height - to - hydraulic diameter ratio is 0. 246

    主要研究了在進口積(即無肋處的積) a為15 . 2 187mm ~ 2 、肋高與當量直徑之比e / de於0 . 246 ,實驗雷諾數范圍在0 . 4 10 ~ 4 1 . 5 10 ~ 5之間的情況下,雷諾數re 、肋向角a 、肋寬與肋高之比t / e和肋寬與肋間距之比t / p參數對強化傳熱與流動阻力特性的影響。
  10. With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied

    採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法,對高度0 . 5mm和1 . 0mm的13個微小直矩形的500多個狀態流場進行了測量,研究了特徵尺度、表粗糙度、橫寬高比因素對微小流動阻力特性的影響。
  11. In microfluidics systems, many parameters influence on the flow moving and control, for examples, microchannel surface characters, section shape. in this paper the main work is the research on the mechanism forming electroosmoticflow, theory analysis and simulation on the influence of the geometry parameters on the microflow. this paper reviews the development history of dc electroosmotic micropump and introduces the principle of electric double layer and dc electroosmotic micropump

    在微流控系統中微的表特性、形狀都會對電滲流流體的流動和控制產生影響,因此本文的主要工作內容就是對電滲流的產生機理進行研究和對微的幾何參數對其中的流體的流動狀況的影響進行分析。
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