換向試驗 的英文怎麼說

中文拼音 [huànxiàngshìyàn]
換向試驗 英文
conversion test
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. Computational flow imaging ( cfi ) uses theoretical predictions of the interaction and transmission of optical waves through theoretical flowfield to generate digital pictures that simulate real observations. it was used to construct flow visualization corresponding to shadowgraph, schlieren, interferometric and planar laser induced fluorescence ( plif ) images. by providing a better insight into the flow physics and cfd code behavior, cfi is proving to be extremely useful to experimentally validate cfd codes

    計算光學流動顯示技術( computationalflowimaging - cfi )就是把數值計算( cfd )獲得的流場中的物理場,經過與實相同的計算光學(全息干涉、紋影、陰影、平面激光誘導熒光)的過程轉為所需的各個方流動顯示圖像相對應的計算流動圖像。
  2. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景,本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上,研製了用於交直交電流型高壓無器電動機的高壓晶閘管流閥裝置,進行了串聯閥電路的設計和模擬,完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程,並進行了裝置的實調
  3. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉結構模型( 1 : 8相似比)的豎荷載下靜力以及擬動力.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉層結構所產生的弊端問題,最後對這類轉層結構提出了相應的設計建議
  4. By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted

    中通過改變流速(通過離子交柱) 、進水中重金屬離子( hg2 + )的濃度以及原水中引入天然水體中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )等方法,比較了弱堿性陰離子離子交樹脂和陽離子交樹脂對飲用水中微量重金屬離子( hg2 + )的去除效果。
  5. Hydraulic fluid fower. multiple directional valve. test methods

    液壓多路閥.方法
  6. According to test results of two specimens of local transfer rc joint from inclined column to beeline - shaped wall under vertical static loads and results of corresponding finite element analysis ( ansys ), fundamental behaviors of the joint are achieved, which include paths of vertical load transfer before and after cracking, stress distributions, occurrence and development of cracks and final failure mode of the joint

    本文通過兩個鋼筋混凝土斜柱?一字形薄壁柱局部轉節點在豎荷載作用下的靜力以及有限元分析,獲得了該節點的基本性能,其中包括開裂前後的豎荷載的傳遞路徑、件應力分佈,裂縫的發生、發展,及件最後的破壞形態等。
  7. They are vitally important in reinforcing our position as an international financial centre, and will at the same time provide a testing ground for the move towards full rmb convertibility

    這兩項建議如果能夠落實,將可大大促進兩地的貿易往來及推動香港債券市場的發展,對鞏固香港作為國際金融中心的地位有重要意義,同時也為人民幣走全面可兌提供一個場地。
  8. Based on lots of experiments, by combining the progress in mesomechanics with fea computation and analysis, this thesis investigated many parameters " effect on crack with an arc - tip in plain mixed - mode fracture, and compared existing criteria for fracture initiation, fracture direction and fracture mode transition

    本文主要的工作是在的基礎上,結合細觀斷裂力學當前的研究進展,通過有限元計算和模擬分析,研究了平面復合型斷裂中各種力學參量對圓弧尖端裂紋斷裂的影響,比較分析了現有的起裂判據、斷裂擴展方的判定方法以及斷裂模式的轉條件。
  9. It is applied in industry by the united organization of zhejiang university ' s research institute of energy and mo - gan mountain ' s equipment factory of energy in recent years. the experimental device used in this thesis provided by mo - gan mountain ' s equipment factory of energy

    本論文的應用背景是浙江大學能源研究所、莫干山節能設備廠聯合體的「側端切漩流半開式熱管熱器裝置」 ,本文研究的裝置受到莫干山節能設備廠的贊助。
  10. In this paper, the effects of the tsot structure on its heat transfer performance have been discussed by flow pattern observations and performance testing as the structure is so important to the tsot. the experiments of various structures have been done, and schemes to predict the transfer point and crisis point have been presented. the experiments of tsot ' s performance with various inclined - angels, flow rates, length ratios, and under vibration also have been carried out

    本文主要針對這種熱管在本體結構上的變化,通過流型觀察和穩態傳熱性能,探討結構形式與熱性能之間的關系,在前人研究的基礎上,得出切漩流兩相半開式熱虹吸管相應的關聯式;同時,在熱管傾角變化、長度比變化、流量變化、熱管振動等情況下,對切漩流兩相半開式熱虹吸管傳熱性能的影響情況進行了研究。
  11. In the test, the stress distributions of wall which is upon the transfer beam and square column and the vertical stress distributions of transfer beam and inclined column are specially studied

    重點研究了兩類節點中薄壁柱與方柱和轉梁相接處的豎應力狀態、轉梁應力狀態以及斜柱和方柱的應力狀態。
  12. According to the pseudo static tests on two specimens of transfer floor from inclined column to framed short - leg shear wall, which are subjected to the vertical loads and the horizontal cyclic loads, in this paper the stress distributions, final failure model of the specimens, paths of the load transfer and the mechanical behaviors of the transfer beam are studied in detail, the ductility and energy dissipation of the specimens are also specially studied

    摘要通過對兩榀框支短肢剪力墻斜柱轉結構在豎荷載及水平低周反復荷載共同作用下的擬靜力,分析了件的應力分佈狀態、破壞形態、荷載傳遞規律以及轉梁的受力性能和件的抗震性能。
  13. In this paper, closely connecting with the actual application of automatization on power station and main engine remote control, and based on the experiences in automatization design together with the successively - built vessels of all kinds in our yard, summarized descriptions will go to the present status, performance and characteristics of automatization in machinery room, analysis and discussion will also be given to classified requirement by rules and regulation on system design of monitoring, alarm, remote control and automatic shift of main and auxiliary equipment, including test and inspection ; all of which, by summarizing the design skeleton and the design ideals on ship automatization, have made some guidance with ship automatization design in the future

    本論文結合電站自動化系統和主機遙控系統應用實例,依據艦船自動化系統設計經以及我廠成功建造的各型艦船,就艦船機艙自動化現狀、功能和特性、現行規范對自動化船舶分級及入級設計要求、主要配置的監測、報警、輔機的遙控操作和自動切以及自動化系統的收等進行了綜述;較好地總結了艦船自動化系統的設計規律,基本理順了艦船自動化系統設計思路,可以指導今後的艦船自動化造船設計工作。並以此為基礎,關注艦船電氣自動化的新技術及發展方
  14. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    表明,這類變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變( lfac hfac lfac ) 、功率密度高、雙功率流、無音頻噪音、變效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變器的實現奠定了關鍵技術基礎。
  15. Based on the previous and through the uniaxial tension damage experiment and comparing to the uniaxial compression damage experiment, the paper makes research on the anisotropism of the damage and the difference of the damage between the uniaxial tension and the uniaxial compression, combining with orthogonal anistropic damage model and exponent function damage developing equation. through the formulae deduction, the damages caused by the same absolute value tension and compression strain have the comparing character in some extent and corresponding decay coefficient

    本文在前人研究的基礎上,通過單軸拉伸損傷,及其與單軸壓縮損傷的比較,進一步結合正交異性損傷模型與指數函數損傷演變方程,對混凝土體中損傷的各異性以及單軸拉伸和單軸壓縮情況下損傷的差異性進行了研究探討,經過公式推導,提出絕對值相等的拉、壓應變產生的損傷具有一定的可比性,並給出了進行可比性算的折減系數。
  16. The calculator is placed in the core position in virtual instrument, the calculator software and the test systems combine more closely. the automobile clutch from move the dish total become two functions to experiment machine is gather the machine, electronics, calculator in the integral whole of the high performance test machine, its core constitute the part is a host and test system

    壓縮特性測定中的壓盤狀態和拖曳分離特性測定中的壓盤狀態要求有很大的不同,壓盤實現不同狀態下的切是雙功能機必須具備的功能,論文提出了雙功能壓盤的設計方案。
  17. By experiment, we found that the variation of gear case radiant efficiency with frequency keep accordance with that of simple one as a whole, but the radiant efficiency of gear case will go beyond any calculation result of empirical formula when the frequency is below 250hz. we also found that stimulation changes affect radiant efficiency little by varying speed experiment, and it can be ignored in engineering calculation. the rectangle structures as gear case, possess characters of both plane and ball, and their sound radiant efficiency lie between plane and ball region

    通過發現,總體上變速箱輻射效率隨頻率的變化規律同簡單構件的輻射效率是一致的,但在250hz以下的低頻區域,變速箱的輻射效率大大高於任何一個經公式的計算結果;通過發現,激勵的改變對輻射效率的影響不很顯著,工程計算可以不予考慮;對于變速箱這類三個方尺寸差別不大的結構,其輻射性質具有平板和球源的雙重特徵,輻射效率介於平板和脈動球源之間,據此提出在工程應用時可以取平板和脈動球源輻射效率的平均作為此類結構輻射效率的觀點。
  18. By way of analysis of heat transfer process of the field - test model, the author formulated a 3 - dimensions heat transfer model which is correspondent to actual performance of buried pipe - in - pipe heat exchanger. coupled with field testing data, the short and long term operation features has been thoroughly analyzed by finite element solution and forward finite - difference analysis of the heat transfer differential equations of buried pipe - in - pipe heat exchanger. by interpreting regularity of continuous and intermittent operations of buried pipe - in - pipe heat exchanger, its heat transfer mechanism has been further explained in this thesis

    本文通過對模型熱過程的深入分析,建立了與實際地下埋管熱器結構參數相吻合的三維傳熱數學模型,通過有限單元法和前差分法求解相應微分方程並對分析結果進行關聯耦合,詳細分析了埋管熱器的短期和長期運行特性,對地源熱泵套管式埋管熱器連續運行、間斷運行規律進行了解析,進一步弄清了埋管熱器的傳熱規律。
  19. By adding an extra compensation component into control signal, the effect of backlash nonlinear characteristic on the system sine response is decreased. applying on the actual digital ac servo system, the sine response shows that the inverse error is decreased

    通過增加額外補償控制量減小了間隙非線性對系統正弦響應的影響,並通過實際系統調證了該補償控制量能有效減小系統正弦響應的誤差。
  20. Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi

    設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙電壓源高頻環節逆變器原理表明,這類逆變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變( lfac / hfac / lfac ) 、功率密度高、雙功率流、音頻噪音低、變效率高、網側功率因數高等優點,為新一代高功率密度、高變效率、低成本航空靜止變流器奠定了關鍵技術基礎。
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