曲流半徑 的英文怎麼說

中文拼音 [qūliúbànjìng]
曲流半徑 英文
meander radius
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 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...
  • 半 : Ⅰ數詞1 （二分之一） half 2 （在 中間的） in the middle; halfway 3 （比喻很少） very little; the l...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  1. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。
  2. Due to their high aspect ratios and small tip radii of curvature, carbon nanotubes possess marvelous electron field emission properties, viz. low turn - on voltage ( e0 ) and large emission current density ( je ), and have good potential for using as materials in electron emitters of flat panel display

    由於奈米碳管具有極高的縱橫比與極小的尖端曲率半徑，因此奈米碳管有著超乎常態的電子場發射特性，低的場發射起始電壓與大的場發射電流密度，使其為電子場發射平面顯示器的良好材料。
  3. The calculation results are given for the bottom width, curvature radius, channel length, slope, flow depth, and flow velocity of the bend

    優化結果給出了引水彎道底寬、曲率半徑、中心長度、縱向比降、水深、流速。
  4. Relativel ~ ~ matlab language is more powerful than oilier computing language, especially in computation fluid mechanics, it helps to simply draw charts of vortex, stream function, velocity, pressure, and the amount of work can be extremely reduced, and the program coniplving can also be controlled easily

    得到空化數的分佈以後，進而分析流場內空泡的運動軌跡，最後得到空泡半徑在流場內隨壓力的變化關系曲線，以及在流場內空泡半徑沿壓力最小點的分佈規律。
  5. All this has laid a strong foundation for selecting a subject of maskless afm nanolithography, i. e., field - induced oxidation of si semiconductor. in chapter two, a high - intensity current between a probe tip and a sample is discussed first. electrical intensity between them is simulated using matlab software after an electrical model is introduced, thus theoretically analyzing the effect of tip radii, tip - sample separation, radii at the sample, and biases on the morphology of field - induced oxidation

    第二章首先討論了掃描探針與樣品之間的高密度電流，得出了電流密度與偏置電壓和探針?樣品間距密切相關，其關系不能以簡單的線性或指數函數來表述的結論；然後引進了掃描探針場致加工的電場模型，利用matlab模擬探針與樣品之間的電場強度，分析了掃描探針加工條件包括探針針尖曲率半徑、探針-樣品間距、樣品平面半徑以及偏置電壓等對場致氧化物幾何形態的影響。
  6. A series of tests on the deformation behaviors of giant magnetostrictive tool rod were done, and the relation curve between the radios of boring cotter and the coil currents was obtained, which validated the controllability and stability of the radios of boring cutter

    在此基礎上，進行了超磁致伸縮刀桿變形性能試驗，獲得了鏜刀切削半徑增量與線圈控制電流之間的關系曲線，驗證了超磁致伸縮刀桿的可控性和穩定性。
  7. The structure of field emission triode is first simulated by magic. the tip height, tip position, tip curvature, gate aperture, and gate voltage are changed, to observe the emission current and the electron congregation

    本課題首先採用magic軟體對三極體結構的尖錐場發射陰極進行了模擬計算，分別改變尖錐高度，錐尖位置，尖錐曲率半徑，柵極孔徑及柵極電壓，觀察陽極收集電流及電子束的會聚情況。
  8. The critical current and ac losses in hts tapes were measured under different winding radii and pulling stress. a theoretical model was proposed to describe the relationship of critical currents and ac losses with the winding or pulling stress - strain. it is shown that the calculated values were in agreement with the measured results quite well

    實驗測量了高溫超導帶材在不同彎曲半徑及不同拉伸應力下的臨界電流與交流損耗；建立了高溫超導帶材的交流損耗和臨界電流隨彎曲與拉伸應力?應變變化的理論模型；利用該理論公式計算的結果與測量結果符合得相當好。
  9. We designed two kinds of diameter s - shaped curved arteries finite element numerical simulation geometric models in order to study the influence caused by the singular curved factor ( such as the curvature radius, the dean number ) to flow, and extract the characteristic flow form related to the curve

    在總結和發展前人成果的基礎上，設計了兩種直徑的s型彎曲動脈有限元數值模擬幾何模型，以考察單一的彎曲因素（曲率半徑、 dean數等）對流動的影響，以提取與彎曲相應的特徵流型。
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