流線狀流動 的英文怎麼說

中文拼音 [liúxiànzhuàngliúdòng]
流線狀流動 英文
streamline flow
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs

    針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。
  2. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。
  3. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。
  4. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  5. As such cords are dissolved in full, a state of inner knowing can begin to flow again

    當這類連線完全融解時，內在知覺的狀態就可再次流動。
  6. In accordance with different tripping annulus at the inlet, the numerical simulations of the reattachment length were performed with the " variable c ? " model. in the range of experimental reynolds number, the tripping effect on the reattachment length was developed in the figure. the dependence of the reattachment length on reynolds number was also analysed in the different status of pipe flow

    利用變模型常數的-模型針對不同尺寸的擋環進行了再附著長度的模擬計算，在實驗雷諾數范圍內，建立了入口處擋環對再附著長度影響的變化曲線，分析了再附著長度在不同的管流流動狀態下相對于雷諾數的變化情況。
  7. Aligned curent structure

    線狀流動構造
  8. Flow mark is the imprint of the movement of melting materials and is in linear pattern to surround runners. the flow mark is resulted from fast condensation of materials inside the mold cavity and is the lines caused when the materials run in

    流紋flow mark是熔融材料流動的痕跡，以澆口為中心而呈現條紋形狀，流紋是先注入模腔內之材料冷卻過快，而與其後流入之材料間形成界線所致。
  9. The tidal current in the radial sandbanks area apparently has directional to - and - fro movement, which can be observed not only from tidal ellipses, but also from water particle traces. the calculated distribution of tidal velocity in this area shows that the average velocity is around 0. 6 to 1. 0 m / s

    平面潮流橢圓、水質點跡線、潮流流速特徵研究表明，輻射狀沙脊群海域潮流具有明顯的定嚮往復流形式，平均潮流流速一般為0 . 6 1 . 0m s ，滿足形成潮流沙脊的水動力條件。
  10. In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming. first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3, i qualitatively discusses characters influencing machinery quantity, which include lifting ton, intact rate and using rate, age of machinery, machinery purchase and working cost and so on. in chapter 4, i take the influencing characters to mathematic model of chance - constrained linear programming, aiming to maintain the need of production and reduce machinery cost

    文章首先介紹了選題的背景、意義以及主要工作；第2章介紹了港口機械管理在港口企業管理中的地位與作用，以及我國港口機械設備管理與配置現狀，並簡要介紹目前港機合理擁有量的理論研究方法；第3章從技術與經濟角度定性分析了各種因素對港機擁有量的影響，其中主要包括機械起運量、完好率與利用率、機械設備役齡、購置與營運成本等；第4章將各種影響因素引入模犁，提出以完成生產任務、機械成本最低為目標，應用隨機線性規劃模型計算港口流動機械合理擁有量的方法；第5章以大連港大港區為例對模型進行應用，選擇四種型號叉車為研究對象，對其歷史經濟與技術數據進行統計分析，其中重點對隨機變量單位臺時維修費用進行了正態分佈擬合。
  11. The whole design of on - line monitoring system is built in this subject, which system is based on data stream status, running characters, the requirements for in - situ monitor, communication technology and database knowledge. this system used graphic programming language labview for software developing tool and the production of rockwell for hardware

    根據高溫風機監測系統數據流量狀況、機組運行特點及現場監測要求，結合網路通訊技術和數據庫知識，以圖形化設計語言labview為開發平臺，以美國羅克韋爾自動化公司的硬體模塊為基礎，構建了在線監測系統的總體設計方案。
  12. The main research content and results are as follows : ( 1 ) based on detailed description of current research trend and development in this field and analysis of the basic data of the reservoir and the watershed, the aims, contents and methods of this study are put forward

    論文的主要研究內容及取得的研究成果如下： （ 1 ）在綜述本領域研究動態與發展趨勢、分析金盆水庫的設計資料、流域徑流資料及水庫供水對象的需水狀況的基礎上，提出了本次研究的研究思路和技術路線。
  13. Rotating pipes system are often encountered in the rotary machinery of engineering applications. with the popularity of rotary machinery in industry, the characteristics of the fluid flow and heat transfer in the controlling pipe system, the transporting pipe system, and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery. meanwhile, when a man is in the aerocraft with a high rotating speed or in the rotating machine for training, the flow in the blood vessel of body will change evidently and so the study on the flow in the blood vessel also becomes the important research field in the aerial - physiology

    在旋轉狀態下，這些曲線管路系統中的流動和換熱特性將會發生什麼樣的變化，是對管路系統的性能以及旋轉裝置的運行安全至關重要的問題，也是管道流動中研究很少，又是迫切需要解決的課題；同時，這個課題還可以應用於生物流體力學：當人體處于作高速旋轉或曲線運動的飛行器或宇航飛行員訓練的旋轉裝置中，人體血管內血液流動將會發生什麼樣的變化，是航天生理學研究的重要課題。
  14. It is validated that the numerical methods can absolutely predict the flow in the microchannels. the flow field around the roughness and the pressure drop of midline along flow direction are analyzed. it ' s found that the range of the pressure drop change relate to the magnitude of relative roughness, the distance between two parallel planes, the re number and ratio of the size of roughness and the distance between two roughness

    通過對粗糙元周圍流場和充分發展段中心線壓力曲線的分析，發現有粗糙元存在的兩平行平板間微通道，其充分發展段壓降大於光滑平板充分發展段壓降；當相對粗糙度和re不變時，隨著板間距的減小，粗糙度對主流的影響不斷增大；當板間距和相對粗糙度不變時，在層流狀態下，粗糙度對流動的影響不隨re的變化而變化；當板間距和re保持不變時，相對粗糙度越大，其對流動的影響就越大。
  15. Meanwhile coaxial line phase water cut meter has realized dynamic measuring of oil well water cut. and the detecting results objectively represent flowing state in pumping wells

    同軸線相位法含水率計實現了油井含水率的動態測量，其測量結果客觀反應了抽油機井中油水兩相流動狀態。
  16. Hybrid fiber coax outside plant status monitoring : alternative power supply to transponder interface bus for hms transponders

    混合光纖同軸室外設備狀態監控: hms發射機應答器用發射機應答器介面總線的交流動力供應pstib
  17. The experimental results show that the method is effective to identify the flow patterns of bubbly, plug, stratified, wavy, slug and annular in a horizontal pipe. the identification accuracy is shown as follows : bubbly flow is 93. 3 %, plug flow is 85. 3 %, stratified or wavy flow is 97. 3 %, slug flow is 98. 6 %, and annular flow is 92. 7 %. an estimation of the process time is 22 frame / s

    實驗結果表明，該方法能自動有效地識別水平管道內的氣泡流、塞狀流、層狀流、波狀流、彈狀流和霧環狀流等基本流型；識別準確率如下：氣泡流為93 . 3 ，塞狀流為85 . 3 ，分層流為97 . 3 ，彈狀流為98 . 6 ，霧環狀流為92 . 7 ；識別圖像速度約為22幀秒，適合於在線實時識別兩相流流型。
  18. The information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method

    摘要利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態，可以完全由三維最大剪應力跡線上的信息確定，進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。
  19. Abstract : the information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method

    文摘:利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態，可以完全由三維最大剪應力跡線上的信息確定，進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。
  20. The thesis is divided into five parts : above all, the following problems are brought forward in the preface : the background of the thesis, the meaning of research, research method and the present situation of research in domestic and international. among chapter one the actual sources of the leading industry are analyzed to provide the circumstantial basic materials for the next systems analysis. afterwards the technological route to the thesis ? system dynamics is introduced in chapter two

    論文首先介紹了本課題的背景，對陜北主導產業的現狀進行分析；然後對論文的技術路線?系統動力學作了基本的介紹；論文在第四章提出了陜北主導產業開發的因果關系圖及sd流程圖和模型方程；最後以洛川蘋果開發為實例進行模擬，預測出洛川近10年的蘋果開發規模和發展趨勢。
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