空腔流 的英文怎麼說

中文拼音 [kōngqiāngliú]
空腔流 英文
cavity flow
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 腔 : 名詞1. （動物體內空的部分） cavity; chamber 2. （話） speech 3. （樂曲的調子） tune; pitch 4. （說話的腔調） accent; tone
  • 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...
  1. Injected group, 0. 1 % saccharin ( 1. 5 ~ 2ml / rat, in 5min ) intraoral infused group and cta group. the expression of endogenous leucin - enkephalin ( lek ) in the rat brain was observed and 5 parts of the thalamus including laterodorsal thalamic nucleus ( ld ), lateral part of mediodorsal thalamic nucleus ( mdl ), ventroposterolateral thalamic nucleus ( vpl ), ventroposteromedial thalamic nucleus ( vpm ) and reticular thalamic nucleus ( rt ) were comparatively researched before and after the acquisition of cta applying lek - immunocytochemistry. in behavioral experiment, 18 adult male sd rats were divided into normal cta group ( control ) and 2 naloxone i. p

    為探討cta形成過程中enk的作用，本實驗用成年雄性sd大鼠35隻，分為空白對照組、生理鹽水（ 2體重）腹腔注射組、 0 . 15mlicl溶液（ 2體重）腹腔注射組、 0 . 1糖精溶液口腔灌流組（ 1 . 5 - 2ml只， 5min ）和cta建立組，採用免疫細胞化學方法，觀察了亮腦啡肽（ lek ）陽性神經元在大鼠腦內的分佈情況，並比較了各組大鼠丘腦外側背核（ ld ） 、丘腦內側背核外側部（ mdl ） 、丘腦腹后外側核（ vpl ） 、丘腦腹后內側核（ vpm ）以及丘腦網狀核（ rt ）等5個腦區內lek表達水平的差異；另外將成年雄性sd大鼠18隻，分為正常cta建立組以及在cta建立前或cta建立后阿片受體拮抗劑納洛酮（ 2mg kg體重）腹腔注射組，對內源性阿片樣物質對于cta建立和保持的影響進行了行為學研究。
  2. 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。
  3. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈，尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明，在支柱空腔內加設水平導流板改變了原有大迴旋流場，使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流，這恰好與加設豎直導流板的作用相反，水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  4. A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate

    本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術，採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器，該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成，中間形成一空氣介質腔，在基座和膜片之間內置同軸的雙電極，組成兩個電容，當膜片承受壓力時發生位移，使電容量產生變化，經後置處理電路直接轉換為可輸出的直流電壓信號。
  5. A kind of measurement was developed to measure the air concentration of water and the result showed the possibility of entrained air existing near the wall of drop shaft. that is to say, the wall of drop shaft may be protected by entrained air from cavitation damage to some extent

    本文設計了一種適用於近壁區水流摻氣濃度測量的方法，對空腔段水流摻氣濃度進行初步測量，發現井壁附近水流存在摻氣的可能，這對改善水流空化條件能起到積極作用。
  6. The new heat flux method for pure radiative heat transfer in rectangle enclose

    新熱流法計算矩形空腔內的純輻射換熱
  7. Characteristics of kinetic energy and momentum of horizontal rotary cavity flow in internal dissipating tunnel

    水平旋轉內消能泄水道空腔環流的能動量特性
  8. And the relationship between the size of a cavity and the velocity of cross - flow gas was investigated

    當錯流氣速或壓力梯度足夠大時移動床內將發生空腔，空腔大小隨錯流氣速的增大而增大。
  9. In the meantime, the heat lost through the filling way in epc was also greater than that in common mold

    結果表明，消失模充型順序與普通空腔鑄造充型順序大為不同，消失模流動過程的熱量損失較普通空腔鑄造熱量損失大得多。
  10. Development of noise prediction method on fluid induced pressure oscillations in cavities

    流動誘導空腔振蕩預測方法的改進
  11. The current transformer is fully enclosed structure. the terminal p1 of the primary winding is as the static contact of the switch cabinet and placed inside the epoxy - resin insulation cavity

    本型電流互感器為全封閉結構，其一次繞組的p1端子，直接作為開關櫃中的靜觸頭被設置在環氧澆注的絕緣空腔內。
  12. Wall stress of horizontal rotary cavity flow

    水平旋轉空腔環流的壁面應力
  13. Secondly, this article studies the static working state of the labyrinth seals in steady flow, including the cavity the relative thickness between gear the proportion of cavity depth to cavity width various gears the level angle of gear the influences of helical gear angle and it ' s flowing direction

    2 、研究迷宮密封在定常流動下的靜態工作特性，其中主要包括空腔數、齒間相對厚度、間隙與空腔寬度之比、空腔深寬之比、不同齒形、齒面傾斜角、斜齒傾角和流向等的影響。
  14. For the larger area contraction ratio, the flow condition becomes more complicated, the discharge of the tunnel and the change of the negative pressure in the cavity pocket will be reduced, but the cavity diameter of the level rotary cavity flow and the dissipation ratio of the system will be increased

    面積收縮率較大時，流態變化復雜，泄流量和環流空腔內的負壓的變化減小，但空腔環流的空腔直徑和泄洪洞的消能率增大。
  15. The formation, developments of cavities in the moving bed were investigated and described with two particle materials and materials of wall

    在二維矩形錯流移動床內研究了移動床內的空腔現象，以兩種物料及壁面材料對移動床內空腔現象的產生、發展進行考察。
  16. " the computer then reduces or enlarges air compartments within the pillow to facilitate nasal airflow to minimize snoring as the user shifts during sleep, " he said

    電腦藉控制枕頭內氣囊的大小，讓使用者在睡眠中調整位置，鼻腔空氣流通更順暢，就可減輕打鼾現象，他說。
  17. Theoretical expression ot the wall shearing stress has been deduced for the level rotary flow in an internal energy dissipation tunnel

    摘要本文推導了水平旋轉內消能泄洪洞空腔環流壁面切應力的理論分析表達式。
  18. The hub leakage flows were modeled and calculated in two different ways : the flow fields inside hub axial gap were calculated together with blade passage flow in an integrated manner, and the leakage flows due to the hub axial gap were modeled as inlet boundary conditions

    計算時分別採用了兩種模化途徑，即耦合求解轉子上游葉根間隙內空腔與轉子通道內的流場，以及求解將葉根同間隙模化為進口邊界的轉子流場。
  19. The area contraction ratio has obvious influence on the flow pattern, discharge, wall pressure and air pressure inside level rotary flow

    研究發現面積收縮率對流態、泄流量、壁面壓強和空腔內的氣體壓強均有較大的影響。
  20. The recirculation cavity flows caused by temperature difference are simulated, and the relations between the flow patterns and the rayleigh number are analyzed

    對由溫差引起的空腔流動進行了模擬，分析了流動特性與雷利數的關系。
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