波型阻力 的英文怎麼說

中文拼音 [xíng]
波型阻力 英文
wave pattern resistance
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation

    Ph記憶、水活度及通透性處理的實驗結果表明, ph記憶對轉化有明顯的影響,水活度對模反應的影響不大;作為完整細胞生物催化,細胞的通透性可能是傳質的重要組成部分,利用不同濃度的乙醇和超聲對細胞進行處理,結果表明,在有機相完整細胞生物催化中,通透性處理對轉化產生的是負面影響。
  2. As a newly developed high - performance ship, wave piercing catamaran ( wpc ) has been applied and investigated more and more extensively. in this paper, the theoretic calculation method of wave resistance of a kind of wave piercing passenger catamaran with 500 passengers has been researched, including the ship lines optimization ; the fast speed experiment research work and the research of the relation between the principal dimensions and the resistance. the relation between the wave piercing catamaran and the ship form parameters has been further researched, and also some useful theoretic basis and practical means have been provided for its practical engineering appliance

    本文以「 500客位穿浪雙體船」為研究對象,對穿浪雙體船興理論計算和船優化方法進行了研究,其主要研究內容如下:一、穿浪雙體船的線優化二、穿浪雙體船快速性理論與試驗研究三、穿浪雙體船主尺度與快速性的關系通過以上內容,較深入的研究了穿浪雙體船船參數與快速性的關系,為其在實際工程中的應用提供了理論依據和解決方法。
  3. Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of

    計算結果表明游動過程中的形體隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時,形體具有局部最小值,結論與實驗觀測結果相吻合;在實驗觀測的典運動參數下,動面的運動方程中的非對稱因素的出現使推進增大約1 . 10倍。
  4. Temperature kits : contact must be properly fixed in the evaporator export pipelines, real - time communication evaporator components to temperature degrees, the material will be filled through interlinked capillary pressure due to the expansion of corrugated boxes ; swelling corrugated boxes on the pressure for change in the thrust pole with an adjustment screw and spring - loaded ball - type valves to adjust the resistance of the degrees of refrigeration volume precision adjustments

    感溫包:是必須妥善接觸固定在蒸發器的出口管道上,感知蒸發器實時回氣溫度的部件,它將充填物質的熱脹冷縮壓通過相通的毛細管提供給膨脹紋箱;膨脹紋箱依據壓的變化推動推桿結合過熱度調整螺絲和彈簧的來調整球閥的開度,實現製冷量的精確調整。
  5. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模,對93w - ofc - tc _ 4 - al - mb _ 2系抗梯度飛片的擊靶過程進行了數值模擬計算。
  6. Based on it, a new kind of helix slow - wave structure named elliptical helix slow - wave structure used in helix traveling wave tubes has been detailedly investigated. by studying the rf characteristics of this slow - wave structure, it ’ s found that higher operation frequency and interaction impedance will be obtained by increasing the eccentricity of helix or decreasing it of the shield. meanwhile, great potential of improving system bandwidth has also been found if the eccentricity of helix or shield or the two are properly choosed

    本文對近幾十年大功率行管的研究進展進行了簡單討論,並在此基礎上研究了一種可應用於螺旋線行管的新的螺旋線慢結構,即橢圓螺旋線慢結構,通過對該螺旋線高頻特性進行詳細分析,我們初步認為,選擇適當的螺旋線和屏蔽筒離心率,可以提高系統工作頻率,增加系統耦合抗,並且具有改善系統帶寬的潛
  7. An adaptive impedance matching system model for power line communication system

    線載通信中的自適應抗匹配系統模
  8. The problem of non - classically damp, after the structure ' s damp and linear water ' s damp are added up, are solved by way of complex mode transformation, and the dynamic responses of a offshore platform are studied under the circumstances of thinking about the mutual effect or not

    復模態變換解決結構尼與線性化后的水尼迭加后不具有經典尼的特點而產生的計算問題,針對某典鋼質海洋平臺在考慮和不考慮與平臺結構相互作用的兩種情況下,進行了動響應數值分析和研究。
  9. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案,對水輪機調節系統,按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律,在小動情況下,對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模,並計及引水管道水損失,對水輪機、調速器考慮了其中的非線性,利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  10. One of the key techniques in swath design is the prediction and optimum design of the hydrodynamic performances ( resistance and propulsion, seakeeping, maneuverability ), whereas the resistance prediction is the most important task of hydrodynamic performance prediction

    小水線面雙體船( smallwaterplaneareatwinhull , swath )船設計的關鍵技術之一是其水動性能(快速性、耐性和操縱性)的預報和優化設計,而其靜水預報是其快速性預報的重要內容。
  11. Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms

    針對某一典平臺結構,建立了海洋平臺結構尼隔振體系簡化計算模,進行了浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機作用下考慮結構與浪相互作用時運動方程中非經典尼的解耦問題,獲得了結構響應的解析解。
  12. Chapter 4 computes the wave - making resistance, the 3d wave figure and its contour figure of wigley ship and makes satisfying results

    第4章對wigley船的線性興、不同弗氏數下的三維形和等高線圖作了數值計算,也取得了令人滿意的結果。
  13. The numerical results show that the wave pattern and the wave - making resistance coefficient from present paper are agree with experimental data and other numerical methods

    計算結果表明,其及興系數與試驗結果和其他數值方法相比均吻合較好。
  14. The radiation condition is satisfied numerically with collocation points shifting upstream. as applications of the method, flow around a 3 - d body, the wave pattern and wave resistance of a ship are solved. the encouraging numerical results are achieved

    本文運用該方法計算了三維物體的繞流、興形和興,給出了wigley 、數學swath船定常直航運動時的興形和興,其結果與實驗結果、理論結果進行了比較,結果比較令人滿意。
  15. When the temperature to gas pipelines, temperature packets of material expansion, the pressure rise, inflation pressures are rising corrugated box, corrugated promote the expansion thrust to overcome the spring - loaded pole resistance, the ball - type valve opened for big change ; when the gas pipeline to reduce the temperature, temperature of the material swelling up, the pressure lowered inflation corrugated box pressure also reduced, spring - loaded pole compressed corrugated of resistance to thrust, spherical valves open for smaller ; this constant push and pull adjustment for the balance, as long as refrigeration cycle continue

    當回氣管道溫度升高,感溫包內的物質膨脹,壓升高,膨脹紋箱內壓也升高,紋腔膨脹推動推桿克服彈簧,球閥開度變大;當回氣管道溫度減低,感溫包內的物質膨脹,壓降低,膨脹紋箱內壓也降低,彈簧推動推桿壓縮紋腔,球閥開度變小;如此不斷的進行推拉調整平衡,只要製冷循環繼續下去。
  16. On the similitude artillery, 7 items of shooting tests were proceeded. these items included : muzzle velocity of projectile, pressure of gases, recoil force, efficiency of muzzle brake, muzzle shockwave, dynamic stress, stability

    在模炮上進行了7個射擊實驗項目,實驗項目包括:初速、膛壓、后坐、炮口制退器效率、炮口沖擊、動態應、穩定性。
  17. The surges in the throttled, simple, downriver throttled and simple and differential surge tanks and the calculating method of the waterhammer pressure in pipe systems have been studied through the theoretic analysis and experiments in the paper

    本文根據理論分析和模試驗相結合的方法,研究了抗式、簡單式、尾水抗式和簡單式、差動式調壓室的水位動過程和壓管道水擊壓強的計算方法。
  18. Jdy - 280 electromagnetic lock with led product characteristic : easily installed, low noise and durable ; strong magnetic force, no magnet left when power off with led and network signal output built - in reverse wave protection function usage range : be used with intercoms and access control systems can be installed onto wooden door, metal door, glass door, fireproof door function : working voltage : 12vdc, 24vdc working current : 12vdc 0. 53a, 24vdc 0. 27a working condition : 40 50 working mode : cut off power to open wires are insulated, dc500v absolutely insulated in 1 minute. dimension of the magnet board : : 184 x 36 x 11mm dimension : 235 x 45 x 30mm weight : 1980g yiwu qimingxing computer company copy right

    Jdy - 280磁鎖帶指示燈產品特性:安裝方便噪音低壽命長吸強無剩磁內置反向突保護功能適用於90開門,有門偵測信號帶鎖狀態指示燈及聯網信號輸出適用於樓宇對講門禁系統配套使用適用門:木門金屬門玻璃門防火門電氣性能:工作電壓: 12vdc 24vdc工作電流: 12vdc 0 . 53a 24vdc 0 . 27a工作環境: 40 50工作方式:斷電開鎖鎖狀態有指示燈指示:鎖門時綠燈指示燈亮開門時,紅色指示燈亮絕緣電測試: dc500v 1分鐘無擊穿鐵板尺寸: 184 x 36 x 11mm外形尺寸: 235 x 45 x 30mm重量: 1980g
  19. Currently, researchers from home and abroad usually use simplified models in the aseismatic analyses of immersed tunnels, which can not properly simulate the two functions of the soil, while the finite element method solves this problem successfully, and the development of numeric calculation and computer technology lays a solid basis for its application, it is a pity that the applications of fem is not common currently

    目前,國內外對沉管隧道進行抗震分析時,大多採用簡化計算模,將土的作用以等價彈簧和尼器代替,不能適當模擬土既是地震的傳播介質又是結構物的支承介質的雙重作用。動有限元法的連續介質模很好的解決了這一問題,數值計算理論和計算機技術的發展為該方法的應用奠定了堅實的基礎,然而,目前這方面的應用還很少。
  20. The 3d turbulent flow fields around high - speed trains of four kinds of model uain have been calculated by 3d parallel compute program coded with the algorithms presented in this thesis. from the calculation results, the aerodynamic drag of different types of model trains are obtained, some characteristics of the flow field over the high - speed train are analyzed preliminarily such as pressure distribution and diversification, velocity distribution and diversification, and the affections of different train head shape to pressure. velocity, pressure gradient and the like

    用三維并行計算程序模擬了四種不同高速列車車的外流場,獲得了不同車的運行;詳細分析了列車附近流場的壓分佈及其變化情況,討論了列車頭對列車通過時產生的壓動的影響;分析了四種車外部流場的速度分佈規律及其變化情況,分析了列車頭部形狀對它們的影響。
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