損耗因子 的英文怎麼說

中文拼音 [sǔnhàoyīnzi]
損耗因子 英文
dissipation factor
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. In this dissertation the output windows ’ refection and absorption are analyzed in detail. 1. with the development of gyrotron, the output power of the gyrotron is higher and higher, but the destruction of output window is more and more outstanding

    由於窗片介質損耗因子的存在,當微波通過輸出窗時會在窗片中產生高頻介質,微波的功率越高,產生的熱量就越多。
  2. Compared with other brands, this kind of tyre cost less per mile and wear much longer due to its topnotch rubber

    與其它牌相比,這種輪胎每公里較少,也耐磨一些,為它是一流橡膠做成的。
  3. Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula

    本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數(動態剪切彈性模量、能模量、損耗因子)的影響。
  4. Due to the needs for the flat spectrum character, the leading sequence requires high self - correlation. the author selected a series of sequences whose highest peek to second highest peek ratio is big, from a series of " m " sequences. then, the optimized leading sequences were judged according to glf, the sequences which have lower glf would be more proper for the estimation

    首先,作者提出搜索的標準,根據前導序列要有平坦的譜特性,從而要有好的自相關性,從一種m序列中找出最大峰與次大峰比例較大的一些序列,然後根據增益損耗因子來判決最佳前導序列,增益損耗因子越小的序列越適于估計。
  5. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動機是為以下幾點原: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷以及無線電干擾等等; ( 2 )低轉動慣量的轉提高了電機機械響應的質量,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高; ( 4 )由於沒有機械換向部分定的結構簡單了。
  6. Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot

    Sr電機鐵心的磁通波形不僅與電機的相數有關,還與定、轉齒極數、定繞組連接方式等密切相關,從而使得sr電機磁場分析很復雜,復雜的磁通密度波形導致電機特別是鐵的計算非常困難。電機的又會引起電機的溫升,此高性能的sr電機的熱分析也成為目前的研究熱點。
  7. Dielectric dissipation factor

    介電損耗因子
  8. The calculation formula for structure damping exhausting factor of combined pipe is denoted. structure exhausting factor of combined pipe treated by the damping material of sa - 3 is obtained with the different temperature and damping layer thickness

    推導出管道表面阻尼處理后復合管結構損耗因子的計算公式,並得出了sa - 3阻尼材料處理后,不同溫度、不同阻尼層厚度時復合管的結構損耗因子
  9. We firstly summarize the development of yb - doped fiber lasers, pumping methods and the applications of high - power fiber lasers. 2. considering the scattering loss, we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations, numerically analysis the changes of laser performances, such as laser power with the parameters of laser cavity, including output mirror reflectivity, optimum length of double clad fiber

    研究主要內容包括如下幾個方面:一、首先對摻鐿光纖及摻鐿光纖激光器的發展狀況、包層泵浦技術和高功率光纖激光器的應用等進行了綜述;二、在前人對高功率雙包層光纖激光器的理論基礎上,在考慮了光纖散射損耗因子的情況對光纖激光器理論進行了推導,給出了準解析解,進一步完善了理論分析。
  10. The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp

    結果表明:與純聚丙烯相比,納米復合材料具有較高的動態彈性模量、模量和復合粘度,力學損耗因子則降低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相比,納米復合材料的流動活化能提高約15 % ,結晶峰溫度提高10k左右。
  11. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內,而研究常溫條件下的阻尼性能更具有重要應用價值,運用動態熱機械分析( dma )儀對ipn阻尼材料進行表徵,在5 180內對其損耗因子( tan )進行研究,發現引發劑和交聯劑的用量、聚硅氧烷的用量和分量等參數對ipn阻尼性能的影響較大,存在一個合理配比值,當pma與粘度為3300pa ? s的pdms之比(質量比)為1 . 17 : 1 、交聯劑用量為1時, tan最大值為0 . 735 ,大於0 . 3的溫域差達到46 。
  12. Time - temperature superposition principle could bee applied to g " dependence on cd, and the dependence of shifted factor at on temperature demonstrated a linear relationship by a plot of in at vs. t - 1. the steady rheological measurements for nanocomposites melts were conducted. the results revealed that the melts of exfoliated nanocomposites with lower loading of org - mmt exhibited shear - thinning even at lower shear rate as compared with polymers filled with common particles, while the melts flow depended weakl

    研究結果表明仁復合體系g 『和動態模量寧的對數關系性呀g 『一109夕, _印維乖溫動態模量滿足時溫疊加原理,頻率移動( at )的對數與塌度的倒攀即種馬與了一『有良好的線性關系?一_面,復合體系熔體的穩態剪切流變行為具有不同於普通粒填充聚合性。
  13. At the same length, the insertion loss of different sub - channels also undergoes changes. this effect, along with the intrinsic background noise, impulse noise and the receiving sensitivity of modem on the adsl, will limit the maximum transmission distance on one single subscriber line

    首先,銅線的插入將隨著線路距離的增加而成比例地增加,並且在同一距離下各通道的插入也發生變化,這個素和線路固有的背景噪聲、脈沖噪聲、數據機的接收靈敏度一起將限制在單用戶線上adsl所能夠傳輸的最大距離。
  14. With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency

    隨著電力電技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量嚴重影響到電源的效率,此如何減小開關器件的提高高頻功率轉換線路的效率成為電力電技術領域的重要研究課題之一。
  15. Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance

    對于已經大量採用高頻軟開關技術的模塊電源,限制其功率密度進一步提高、性能進一步改善的重要素之一是磁性元件,而磁集成技術由於具有可以減小磁件體積重量,減少磁件,減小輸出電流脈動,改善輸出動態性能等優點,成為目前電力電技術的研究熱點之一。
  16. The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation

    為觀測器在估計轉速時利用的是電機的額定參數,而電機的參數(定電阻、轉電阻、勵磁電感)由於環境溫度的變化、鐵心和主磁飽和的影響將發生變化,所以必然有估計誤差產生。
  17. Distribution of wavelet coefficients in those sub - images is just appropriate for the properties of human vision systerm. it is that eyes are most sensitive to sub - image in the low resolution ratio and less sensitive to sub - images in the high resolution ratio. so a little loss of information in high sub - images may not bring out marked change to vision effect of construct image

    經分解后的各個圖中的小波系數的分佈恰好適合人類視覺系統的特點,即人眼對于低解析度圖更敏感,對于高解析度圖較不敏感,此高解析度圖中的信息稍有並不會顯著影響重構后圖像的視覺效果,這樣實現圖像的高壓縮比就成為可能。
  18. Aiming at the fact that power factor of low - voltage power equipment is very low in china and application condition of fieldbus technology in the world, based on enhancing power factor of ac motor, lowering losses of the reactive power, improving power quality, therefore, it is of great significance and practical value to research the reactive power compensation by applying the technology of fieldbus, computer and power electronics

    針對目前國內低壓設備用電負載功率數偏低和國內外現場總線技術的應用現狀,基於提高交流電機的功率數、降低無功功率和改善電能質量,本文綜合運用現場總線技術、計算機技術和電力電技術對交流電機無功功率補償的有關方面進行了研究,其研究成果具有一定的理論意義和實用價值。
  19. The effect of oil filler test that is improved is correspondence to the overspeed test, so it is no use to do overspeed test repeatedly. it can reduces the deterioration of the rotor ' s longevity, and that, it can reduce the starting time of the units, which can reduce the cost of fuel consumption and steam deterioration. especially to large capacity steam units that use the same style device, it will get large economic effectiveness

    對使用同一原理的裝置而言,這種新的技術思路具有指導性意義,改進后的注油試驗使用起來的效果可以與超速試驗相對應,不需要重復做超速試驗,可以減少對超速對轉的壽命的,並且還縮短了試驗所需要的時間,相應減少機組的啟動時,節約燃料成本及汽水,尤其是對使用同類裝置的大容量機組而言,能夠獲得的經濟效益將是巨大的。
  20. With the elevation of the power factor, stator electric current decrease obviously and its range is about 20 %. so voltage loss and electric power wastage decrease effectively on electromotor power supply circuitry consequently

    隨著功率數的提高,定電流明顯的減小,減小幅度在20左右,從而有效地減少電動機供電線路的電壓失及電力
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