斜度效率 的英文怎麼說

中文拼音 [xiéxiào]
斜度效率 英文
slope efficiency
  • : 形容詞(跟平面或直線既不平行也不垂直的) oblique; slanting; skew; bevel; diagonal; askew; inclined; tilted
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 率名詞(比值) rate; ratio; proportion
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. It canbe determined the enhancing effect of new steel fiber to shear resistance of beams by the test of tensile strength of steel fiber reinforced concrete, it is important to reduce test cose and increase research efficiency

    可以通過鋼纖維混凝土抗拉強試驗來確定新品種鋼纖維對梁截面上混凝土受剪承載力的增強作用,這對于降低試驗成本和提高研究具有重要工程價值。
  2. The recording characteristics of the material are discussed in detail in terms of sensitivity, diffraction efficiency, bragg angle, refractive index modulation ( an ) and so on

    通過在材料中記錄無傾光柵,研究了該材料的全息存儲特性(包括衍射,靈敏,動態范圍,折射調制,角選擇性等) 。
  3. The second one : we studied the effect of temperature on performance of lds. it was found that threshold current increase exponentially outpower and slope efficiency decrease parabola and exponentially respectively. coefficient of temperature shift is 0. 24 / k, wheras characteristic temperature also decrease with rise of temperature

    研究了溫對激光器各參數的影響,隨著溫的增加,閾值電流呈指數增加,輸出功分別呈拋物線和指數關系遞減,同時特徵溫也減少,波長隨溫的漂移系數為0 . 24nm ,並且總結了一些溫和結構設計方面的關系。
  4. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角能系統地、高地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  5. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功ld泵浦nd : yag激光器和透鏡組耦合高功ld泵浦nd : yag激光器,對激光器的輸出功和功穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏依賴于泵浦功,隨著泵浦功的增加,測量范圍擴大,靈敏提高,當端面泵浦功為7 . 24w (最大輸出功為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  6. The results show that the coupling efficiency is affected obviously by the fiber inclined angle, which can be improved if we choose the angle properly

    結果表明,不同的光纖端面角下,對半導體激光器的耦合影響很大,根據不同的晶元參數合理選擇不同的端面光纖可以得到盡可能高的耦合
  7. These characteristics and phenomenons have effect on the quality of gear pump, and it is difficult relatively to research them by theory. at present the research is limited to the phase of examination testing. theoretic research of the characteristics and the phenomenons of polymer gear pump are blank in china when the gear pump feeds the viscous polymer liquid of chemical flow with high temperature and high pressure

    齒輪泵除具有流量和容積、扭矩和機械、功和總等基本特性外,還存在著困油、噪聲和氣穴等現象,這些特性和現象直接影響齒輪泵的質量,對齒齒輪泵的這些特性和現象的理論研究難較大,目前大多仍局限於實驗測試研究階段,而聚合物齒輪泵在輸送化工流程中的高溫、高壓的粘流態聚合物時特性的理論研究在國內基本還處于空白。
  8. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    同時,電路設計採用同步整流技術、低功耗電流采樣技術降低功耗,提高轉換;採用靈活的外部環路補償技術、誤差放大器輸出嵌位技術以實現良好大信號特性;採用分段坡補償技術,消除不穩定因素,並最大程地減小過補償帶來的問題;採用外接輸出采樣電阻的方式,實現輸出電壓的可編程。
  9. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精確控制的難題;建立了錨跨索股索力的精確計算模型,分析了索股的邊界條件、、垂、抗彎剛及環境溫對索股頻的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制系統,該系統具有穩定可靠,精高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  10. This kind of mucking system has the characteristics of higher mechanized level, more convenient to be handled, higher spoil mucking efficiency, safe and reliable, which is suitable to be applied to the construction of the deep embedded tunnel with long distance

    帶有渣倉的井出渣系統,具有機械化程高、操作方便、安全可靠、出渣高等特點,尤其適合於在深埋長大隧洞工程施工中推廣應用。
  11. In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched

    首先,從er ~ ( 3 + ) - yb ~ ( 3 + )能級結構出發,結合激光穩態速方程與傳輸方程,對鉺鐿波導激光器的三個主要性能參數:閾值功、輸出功作了理論計算分析,並研究了鉺、鐿離子濃、光波導激活長、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射對這三個關鍵性能參數的影響。
  12. In view of the defects of the available bridge girder models , this paper proposes a new double - girder model adapted to composite bridge sections for the dynamic analysis of long - span cable - stayed bridges in the proposed model , the equivalence of the stiffness and mass systems of the bridge girders can be satisfied and the nodes and elements can be maintained in lower numbers the dynamic behavior of a cable - stayed bridge is analyzed by the new double - girder model and the conventional triple - girder model respectively the numerical results show the accuracy and efficiency of the proposed model

    針對大跨拉橋動力分析的現有橋面系模型的不足,提出了一種適用於疊合梁橋面系的新型雙主梁模型該模型既保證了橋面系剛系統和質量系統的等性,也使模型的節點數和單元數維持在一個較少的水平,提高了計算採用文中提出的雙主梁模型和傳統的三主梁模型對廣州鶴洞大橋進行了動力特性分析,結果顯示了本文模型的正確性和實用性
  13. There are many approaches to achieve the purpose, and one of the perfect them is tunnel - cascaded multi - active regions large cavity ld structure, in which not only the effective thickness of the active region increase but also obtain lds ’ low threshold current and high slope efficiency and other properties

    有多種途徑實現ld光束特性的改善,其中採用多有源區隧道結級聯大光腔結構的半導體激光器是既增加有源區等而又保證ld低閾值電流和高等特性的最佳途徑之一。
  14. By contrast with some foreign countries, such as usa, uk and so on, those countries had carried out new iso standard for a period of time, so they have developed special implements to measure those five errors, like 6d / lms created in usa. those implements have greatly improved the testing efficiency of machining center ' s geometric accuracy

    而國外美英等國先於我國執行iso的新標準,他們已經研製了直線誤差綜合檢測儀,如美國的api公司研製的6d lms激光干涉儀可同時檢測除傾一項的其他四項誤差,使檢測時間從2 ? 3天減為半天,極大地提高了生產
  15. The influence of the height, width and the shape of the metal barrier is calculated in this paper. the simulation results show that the shape of the barrier boundary has great influence on discharge efficiency. the variation of electron temperature with gas pressure is also investigated and its result is coincident with the recorded data

    對新型蔭罩式結構分析了單元結構的變化對電子平均溫和放電的影響,並觀察了隨壓強的變化電子平均溫的變化趨勢,模擬結果表明邊或弧狀的內式結構可提高放電,且電子溫隨壓強的變化趨勢同文獻相符。
  16. The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %

    本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上,長80mm以上的平界面無核心nd : cngg單晶,確定了晶體結構和物相,測量了晶體的光譜性能,晶體消光比達到34db ,晶體生長技術有新的突破,實現了連續激光運轉,用單支807nm半導體激光二極體端面泵浦該晶體片子,在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出,達22 . 3 % 。
  17. It is found that : ( 1 ) for linear slope, redistribution of incoming energy flux in modenumber space depends on both the modenumber of incident waves and the ratio of the slope of incident wave ray to slope of topography ; both the transmitted and reflected energy flux ( only for supercritical linear slope ) focus near one or two modenumbers ; for supercritical linear slope, the energy flux scattering to higher modenumbers becomes larger and the energy flux to lower modenumbers becomes smaller as the slope of incident wave ray comes near to slope of topography ; ( 2 ) for convex slope, energy flux is redistributed in wide - range modenumbers and also show peaks on lower - modenubers and higher - modenumbers ; ( 3 ) for concave slope, energy flux is also redistributed in wide - range modenumbers, but does not show peaks on higher - modenumbers as supercritical linear slope and convex slope do ; ( 4 ) the total energy flux scattering to higher modenumbers is approximately equal to the total energy flux to lower modenumbers for internal waves propagating over both convex slope and concave slope, which means the concave slope is the same efficient to convex slope in scattering energy flux to higher modenumbers ; ( 5 ) for convex slope, the wave ray reflected from near - critical topography can extend to deep ocean and shallow shelf, while for concave slope, the wave ray reflected from near - critical topography can only extend to limited distance, then meet the topography and be reflected again ; generally the shear of the internal waves reflected twice from concave slope is not enhanced while the enhanced shear does also appear before second reflection takes place, the enhanced shear can bring about intense mixing, so internal waves reflected from concave slope can also produce marked mixing near critical slope

    3 、內波在凹地形上傳播時,能通量在模態上的分佈范圍也比較寬,但與凸地形和超臨界線性坡地形相比,能通量在高模態上的分佈沒有明顯的峰值。 4 、從總的能通量來講,內波在凸地形和凹地形上傳播時,向高模態散射的能通量與向低模態散射的能通若十地形下內波傳播及內潮生成問題的理論解量近似相等,這意味著二者在向高模態散射能通量方面具有同等。 5 、凸地形上臨界點附近的反射,反射波的波射線能夠延伸到深海和陸架,凹地形上臨界點附近的反射,反射波的波射線很快遇到地形發生二次反射,一般來講二次反射后回到深海的波動其速剪切並不很強,但是在進行二次反射之前的區域,速剪切仍然很強,因而內波在凹地形上的反射依然能夠在地形附近區域,產生強的速剪切區,誘發混合。
  18. Its program has been completed with visual basic ( 6. 0 ). the object functions of fuzzy optimization design were the maximums transmission efficiency and the minimum volume of its construction and their weighted object function of them. the keep with bounds were included the contacting strength and winding strength and deforming strength and the sizes of constructions of pdew

    採用visualbasic ( 6 . 0 )語言,編制了以傳動最高、空間結構尺寸最小的單目標模糊優化、以及上述兩個目標的加權綜合多目標的模糊優化;約束條件綜合考慮蝸桿的接觸強、彎曲強以及剛,空間結構尺寸等,並採用線法對約束條件進行了模糊處理的模糊優化設計程序。
  19. The bigger the diameter, the high the heat efficiency, but the weak the temperature increasing ability, length has less effect on the heat efficiency, tilt angle has less effect on the flow field and temperature field while it is larger than 30 degree, vacuum degree and emissivity have great effect on the flow field and temperature field while there is a great temperature difference between the liquid in the tube and the surroundings, the furring has less effect on the heat transfer but should be cleaned up in 3 - 5 years because of poor water quality, the higher the solar flux or the more the temperature difference between the liquid and the surrounding, the more the heat loss and the lower the heat efficiency

    分析了各種因素對太陽能真空集熱管流場和溫場的影響。直徑越大,熱越高,但升溫能力弱;長對熱影響不大;傾大於30后,自然對流已經能夠充分進行,考慮以能夠吸收到最大太陽輻射為主;真空和發射對熱和溫場影響很大,尤其是在介質溫與環境溫差異比較大時;水垢對傳熱影響較小但由於水質的問題應該被3 5年清洗一次;太陽輻射強越大,介質溫與環境溫差異越大,熱損失越大,越低; 4
  20. Abstract : in this paper, the best selection of key parameter helix angle is discussed for all kinds of cross helical gear transmission in order to raise efficiency, reduce wear, obtain lighter weight and less size of bearing

    文摘:從提高、減少磨損、減輕重量和較小軸承尺寸的角出發,綜合探討了交錯軸齒輪傳動的各種組合中,關鍵參數螺旋角的最佳選擇
分享友人