阻力實驗 的英文怎麼說

中文拼音 [shíyàn]
阻力實驗 英文
drag experiment
  • : 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...
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. The experimental studies of heliox decreasing air way resistance and improving pulmonary effective ventilation

    氧混合氣降低氣道和提高肺有效通氣的研究
  2. 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結果表明, ph記憶對轉化有明顯的影響,水活度對模型反應的影響不大;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波對細胞進行處理,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。
  3. Additionally, it has utilized the harvest of the diffluent and confluence cross experiment made by beijing university of technology, which has enhance the application of the software and be of innovation

    同時,軟體利用了北京工業大學建築環境與設備室多年來在帶調節拉桿閥片的合流及分流四通局部系數的研究成果。這一點,將擴大了軟體的工程應用范圍。
  4. The pressure drop of the compound tray can be regarded as consisting of dry plate pressure drop, clear liquid resistance, liquid surface tension resistance, and packing pressure drop. the model that has established can fairly predict the pressure drop of the compound tray, the value calculated by the model compared with that detected by experiment is less than 20 %

    復合塔板的壓降可認為由干板壓降、清液層、填料層壓降和克服液體表面張的壓降四部分組成,所建立的壓降計算模型,能較好地預測復合塔板的壓降,計算值與值誤差在20以內,可用於工程設計。
  5. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊結果進行了擬合,最後得到腰椎間關節剛度系數因子和尼系數因子
  6. The main work and achierement are as following : ( 1 ) by using shock impedance matching technique and electric probe method, 5 shots of impact experiments were conducted to measure the hugoniot equation of state for enstatite ( mg0. 92, fe0. 08 ) sio3 with the average initial density 3. 05g / m3 from shock pressure 50 gpa to 115gpa, using two stage light gas gun

    本文研究取得的認識主要有以下幾點: ( 1 )用抗匹配法和電探針技術在80 115gpa壓范圍內對平均初始密度為3 . 05g / cm ~ 3的頑火輝石樣品進行了5發hugoniot狀態測量。
  7. The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium - tubes for steam condensation are reported and analyzed

    摘要介紹了鈦螺紋槽管傳熱及流動結果,並對結果進行了分析。
  8. Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously

    結果表明:在湍流區域內流速(量)不變時,改變管件開度,系數變化較顯著;改變流量,管件開度不變時,變化不大。
  9. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和研究: (一)通過木柱石礎靜摩擦試,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦隨上部結構荷載變化的規律; (二)通過單柱承載,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、極限變形等參量; (三)通過柱架低周反復荷載試,測定了柱架的抗側移剛度、柱架恢復特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試和受壓試,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (五)通過抬梁式殿堂間架模型振動臺試,測定了殿堂木構架結構自振周期,地震反應振形、尼特性及尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  10. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載的檢,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載表明了荷載與摩擦之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載特性,進行了富有成果的現場測試工作;試數據表明樁側摩和支盤端起很重要的作用,樁端所佔比例甚少。這與設計樁基時的計算模式相差很大,承載也較設計增加;使用學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  11. Abstract : the therortical calculation of the bending stress of the root and experimental stress analysis on the modified profile and the standard involute tooth profile were made with the finite element method and the electric resistance strain film method. this indicated that the modified profile was supe rior to the standard involute profiles in terms of the bending strength

    文摘:分別用有限元和電應變片法對修形齒形和漸開線齒形進行齒根彎曲應計算與分析.結果證明在彎曲強度方面修形齒形比標準漸開線齒形更優越
  12. The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given

    本論文採用特殊設計的雙水電極介質擋放電裝置,首次在氬氣與空氣的混合氣體中獲得了大氣壓常溫下的穩定正方網格斑圖,並對其進行了時空動學測量。
  13. 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,對穿浪雙體船興波理論計算和船型優化方法進行了研究,其主要研究內容如下:一、穿浪雙體船的線型優化二、穿浪雙體船快速性理論與試研究三、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型參數與快速性的關系,為其在際工程中的應用提供了理論依據和解決方法。
  14. Chapter 6 introduces the physical embodiments of the new type of active damping suspension

    第六章討論了基於反饋原理的主動尼懸架的結構現及其研究。
  15. Guide for laboratory measurement of the power dissipation characteristics of aeolian vibration dampers for single conductors

    單芯電纜風振振器電分散特性室測量指南
  16. Air drag coefficients of large calibre duplex ammunition

    大口徑機槍雙頭彈空氣系數的研究
  17. Application study of dynamic friction tester

    水平管內油氣水三相流分流型特性研究
  18. 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,結論與觀測結果相吻合;在觀測的典型運動參數下,波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。
  19. In the first, designed and set up the visual experiment equipments, and carried on the visual experiment, the characteristic of low re flow was analyzed through injecting ink to the channel ; secondly, in order to analyzing channel fluid conduct heat mechanism of strengthening further, heat transfer and fluid flow experiment study device was designed and set up, and carried on the experiments under the equal heat flux border situation

    首先設計並建立了可視化裝置,進行可視化。通過向通道注墨水以顯示流體流動狀況,分析了低re數時的流體流動特點;其次,為進一步深入分析通道內流體傳熱強化機理,設計並建立了換熱及流體流動研究裝置,進行了等熱流邊界條件換熱和流體流動阻力實驗
  20. Abstract : the paper has undertaken an experimental investigation on theresistance coefficient of belt conveyor, base on the influence factors analysis of the main resistance of the belt conveyor, using belt conveyor resistance test bench and provided the function relations and coefficients of the resistance that varied linearly with the belt velocity according to the experimental results. the conclusion can be adopted for a belt conveyor design and dynamic analysis

    文摘:在對影響帶式輸送機主要運行的因素分析的基礎上,採用帶式輸送機運行阻力實驗臺對托輥運行系數進行了研究,根據結果給出了運行隨帶速線性變化的函數關系和系數,此結果可用於帶式輸送機設計和動態分析。
分享友人