阻氣片 的英文怎麼說

中文拼音 [piān]
阻氣片 英文
spill plate
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 片構詞成分。
  1. Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis

    摘要根據水平軸風力機轉子的渦流動模型,從能量的角度入手,考慮干涉因子和翼型力,提出了葉翼型設計的一種新型計算方法。
  2. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進箱和由於安裝造成的導流器葉開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  3. High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained

    採用化爆加載、平面波發生器和空腔增壓技術,以黃銅為飛,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空( air )和無氧銅( ofhccopper )各抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態,得到了等熵卸載路徑。
  4. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流的矩形直通道、帶順排擾流矩形直通道、帶叉排擾流、帶傾斜擾流的矩形直通道的幾何模型,計算了冷卻空通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉通道材質對葉內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和力因子與雷諾數的函數關系;本文重點研究了新型的葉內部通道冷卻強化傳熱措施?帶擾流的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉內部通道冷卻結構的設計可以起到指導的作用。
  5. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下:在人工候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  6. Arbuscular mycorrhiza can improve the ability of resisting drought from several aspects : hyphal enhances plants ' chances of absorbing water from soil ; it can improve plants ' phosphorus and another minerals ' nutrition, increase the content of chlorophyll ; observably enhance transpiration and stoma conduction ; reduce the flow of water, permanent languish point, stoma resistance ; change the balance of hormone, promote accumulation plant proline and capability of nitric reductive enzyme

    叢枝菌根真菌可以通過以下幾個方面增強植物抗旱性:通過菌絲增加植物對土壤水分的吸收;改善植物的磷營養及其他礦質元素營養;能顯著提高蒸騰速率和孔導度;乾旱條件下降低植株葉水勢、永久凋萎點、葉飽和虧、力和恢復時間;改變激素平衡。
  7. In this paper, the relationship of the thermal donor with point defects was investigated by injection of different concentration and distribution vacancy via 1250 ?, rtp preannealing in different gases ( n2 o2, ar ). the influence of rtf preannealing on generation at 450 ? and annihilation at 650 ? of thermal donors ( td ' s ) was not detected

    本論文通過不同氛( n _ 2 , o _ 2 , ar ) 1250 30s高溫rtp預處理在矽中引入不同濃度和分佈的空位,進而用四探針和擴展電研究450不同時間熱施主的生成特性和650熱施主的消除特性,從而確定熱施主和點缺陷之間的關系。
  8. Ingyang pet product company, a specialized manufacturer of pet products since 1989, from starting with only rawhide dog chews, through the past years, the company grows quickly and now it has become the largest manufacturer in china, which includes 35, 000 square meters and 1, 200 staffs, and was able to produce or offer dog chews rawhide chews, porkhide chews, pig ear and cotton chews, choke chains, nylon leashes muzzles, automatic leashes, pet toys, pet wears, bird cages, vinyl toys, etc, the monthly capability was over 100 containers.

    以生產唯一的生牛皮狗的咀嚼食物開始.通過了過去幾年的努力,該公司迅速發展成為中國最大的製造商,擁有35000平方米的佔地面積和1200名職工。能生產或提供狗咀嚼食物生牛皮豬肉,豬耳朵及棉花咀碎鐐銬,尼拴狗頸帶和動物口套自動狗頸皮帶寵物玩具寵物衣服鳥籠乙烯基玩具等每月生產量超過100集裝箱。
  9. Even if we put a catch in the cylinder to stop the piston at some point in its rise, we still can't calculate work.

    既使我們把一個制動放進缸以止活塞在某點繼續上升,也不能計算功。
  10. This machine is with special blower decreases resistance between fabrics and table, which enables the fabrics be moved easily and be cut precisely. and it could adjustable speed to fit different fabrics

    本機裁板附有特殊浮吹裝置,可減少裁重量與裁板形成的力,使裁易於移動,更精確地裁切小裁,並可根據不同的布料調整不同的裁剪速度。
  11. At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    在輕炮上利用研製的93w - ofc一tc4 . ai一mbz系波抗梯度飛實現了對93w合金(靶材料)的準等嫡壓縮,經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。
  12. As a result, the p - v curve of the target was a quasi - isentropic compression curve, which consisted of small hugoniot curves ( similar to isentropic curves ) from different original states, and was located betwee n the hungoniot curve and isentropic curve but closer to the latter. finally, on a two - stage light - gas gun, titanium alloy projectiles ( with mass of 0. 35 ~ 2. 80g ) were driven intact to hypervelocities as over 15km / s by 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance, although the fl

    在二級輕炮上,利用93w - ofc一tc4一al一mb :系波抗梯度飛成功將克量級( 0 . 35一2 . 809 )欽合金二級飛發射到了15kln / s以上的超高速度,且二級飛主體是完整性,但其平面性和飛行姿態還有待於今后的深入研究。
  13. Furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity. at the same time, the thickness off target should also be in accord with the impact velocity. finally, experiments of quasi - isentropic loading to aluminum targets with lithium fluoride windows via w - mo - ti - mg system flier - plate with graded wave impedance, having been fabricated by sps, were performed on a two - stage light gas gun

    使用sps制備出平行度好、整體緻密的、 w - mo - ti - mg系準連續波抗梯度飛材料,利用二級輕炮進行了w - mo - ti - mg系波抗梯度飛材料的準等熵特性的實驗研究,成功實現了對帶窗口材料的al靶板的準等熵壓縮。
  14. Abstract : a new type of rotating packed bed ( rpb ) filled with holed disk packing, has high mass transference character by means of the centrifugal field it is used for simulating flue gas desulfurization and achieved of good effect the desulfurization efficiency of rpb by boot water is above 75 % accompanied with small gas resistance

    文摘:一種利用離心力場強化傳質的新型旋轉填充床反應器以孔型碟為填料用清水吸收模擬煙中的二氧化硫時的脫硫率達75 %以上,用於模擬煙脫硫也取得了很好的效果,而且也很低
  15. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空溫度結合斷路器熱來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  16. Study on the design about the flux of the by - way and the resistance characteristic test of adjustable hydro - pneumatic spring value with the triangle throttle - slice

    三角閥式可調油彈簧旁通閥流量及力特性試驗
  17. For preparing process, the zno ceramic disc samples with 10mm 1mm exhibited good characteristic with > 50, v1ma < 400v and il < 1 a and tsintering < 1100 were obtained by optimum sintering temperature, holding time and firing atmosphere, using proper and silver electrode

    Zro2 )對于制備工藝而言,通過優化燒結溫度、保溫時間和燒成氛,選用合適的粘合劑和銀端電極,制得了v1ma 400v 、 > 50 、 il < 1 a以及燒結溫度低於1100的10mm 1mm的圓式壓敏電
  18. The flight test of ec155 tells us that inter - blade dampers can work very well in stabilizing the system ; another advantage of this configuration is it can make the hub system simpler and reduce the drag of air to the hub which is very important for helicopters with 4 or more than 4 blades

    Ec155的飛行試驗證明,這種減擺器布置方式對提高穩定性效果明顯;這種布置方式的另外一個優點是可以簡化槳轂,降低其力,對多槳葉(四和四以上)直升機有重要意義。
  19. Feeding system adopts imported linear guide rail pair, hi - precision and long life. air - liquid damping cylinder assures blade feeding is even and running is stable

    進給系統採用進口直線導軌副,精度高、壽命長。尼缸保證鋸進給均勻,運動平穩。
  20. By using diffusion welding method ( under certain welding parameters such as temperature, pressure, time and atmosphere, etc ) and employing rational structural control technique, a kind of 93w - ofc - tc4 - a1 - mb2 system flier - plate with good parallelism, planeness and high densification was prepared, which met the needs of initial design and the basic requirement of flier - plates

    利用平面擴散焊接法(控制一定的溫度、壓力、時間、氛等條件) ,同時採取合理的結構控制方法,成功實現了93w - ofc - tc _ 4 - al - mb _ 2的整體連接,得到了平面性好、平行精度高、整體緻密的波抗梯度飛,滿足了設計結果和梯度飛的基本結構要求。
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