轉差比率 的英文怎麼說

中文拼音 [zhuǎnchābǐlǜ]
轉差比率 英文
slip ratio
  • 轉 : 轉構詞成分。
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures

    在本文中，通過與國外同類材料的性能進行比較，國產材料與國外材料共有的材料特徵基本相同；對轉子鋼（ 30crlmolv鋼）進行了不同溫度下的低周疲勞性能實驗，研究其在不同溫度下疲勞壽命，以彌補國外對同類鋼材測試的不足；採用拉伸數據預測低周疲勞壽命時發現，室溫條件下用四點關聯法在中低壽命區預測較好，在高溫條件下四點關聯法和通用斜率法都有較大誤差，需要進行改進。
  2. In light of market risk, there are sensitivity measurement method and volatility measurement method as well as the concepts about risk measurement, such as variance, duration, 3 - coefficient, 5 - coefficient and value at risk. and in light of credit risk, there are accounting - based ratio measurement method and volatility - based measurement method, as well as the related concepts, such as credit rating, z - score, transition matrix, expected default frequency

    其中，針對市場風險度量的方法包括靈敏度測量風險方法和波動性測量風險方法，與之相關的風險度量概念有方差、持續期、系數、類系數和在險價值；針對信用風險度量的方法包括基於財務比率的風險測量方法和基於波動性的風險測量方法，與之相關的風險度量概念有信用評級、 z分數、轉換矩陣、違約頻率。
  3. Zibo new & hi - tech industrial park is a new type organization to improve local economy development during the period to turn from planned economy to market one. its main characteristic is small organization, big service, quick rhythm, high efficiency, and its management system and operation system are quite different with traditional government ' s, and it has some improvement on management style comparing with traditional performance examine system

    高新區作為計劃經濟向市場經濟體制轉型期間形成的一種推動區域經濟快速發展的新型組織機構，其主要特點是「小機構、大服務、快節奏、高效率」 ，其管理體制和運行機制與傳統的政府機關存在較大差異，與之相對應的績效管理模式也應該比傳統的機關政績考核有所改進。
  4. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  5. Finally, in consideration of the characteristics of the differential balance mechanism, a more accurate virtual prototype of the mechanism is established and the simulation is carried out in the software environment of adams. the angular velocity curves of the relevant parts and the natural frequency of the mechanism are got. the results may be helpful to the improvement and the application of the mechanism

    最後，綜合考慮了輪齒嚙合剛度、搖臂軸扭轉柔性及齒輪傳動回差對差動平衡機構的影響，建立了能夠比較完整地反映該機構動態特性的虛擬樣機模型;在adams軟體環境下，對差動平衡機構的虛擬樣機模型進行了動態模擬，得出了能反映該機構動態特性的關系曲線，並確定了其固有頻率，為該機構的改進及其在月球車上的實際應用提供了參考依據。
  6. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  7. Using these data, we estimated cotton planting farmers " pesticides application equation and damage control production function, calculated the impact of bt cotton on pesticides use and cotton yield, and compared the poisonging probability due to pesticides application between bt cotton and non - bt cotton planting farmers. using bt cotton adoption area and the above results, this paper calculates the impacts of bt cotton on pesticides application, cotton production and poison cases all over china since the beginning of its adoption in china in 1997. the results demonstrate that the adoption of bt cotton reduced pesticides use approximatly 35kg per ha ; this is equivalent to 875 yuan of cost reduction

    利用這些數據我們估計了種植棉花（包括轉基因抗蟲棉和非抗蟲棉）農產農藥施用方程和棉花損失控制生產函數（ damagecontrolproductionfunction ） ，估計了抗蟲棉對棉花農藥使用和棉花產量的影響，同時比較了種植bt棉與非bt棉農產在使用農藥過程中中毒概率的差異，在此基礎上，利用抗蟲棉在全國各地的推廣面積以及以上的分析結果，測算了1997年以來抗蟲棉的推廣對全國棉花農藥使用量、棉花產量以及棉農施農藥中毒事件的影響，並對其經濟影響的不同受益者作了分析分解。
  8. By analyzing the running speed of two - wheels, three - wheels, four - wheels project, adopting small three - wheels project with two independent driving and veering system. based on these, we can calculate the driving power of the agv, the twists of the motor and the storage battery capacity. 4

    通過對兩輪、三輪和四輪小車方案的運動速度的分析和比較，採用兩輪獨立驅動、差速轉向的三輪小車設計方案，並對小車驅動功率、電機扭矩和蓄電池容量進行了計算。
  9. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ （ c - b ） 、 r _ （ a - b ）和非相干泵浦速率r對增益、色散和粒子數差的影響；第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  10. With the perspective of risk transferring, this thesis focuses on discussing the reinsurance optimization model under mean - variance principle, utility theory and sharpe ' s ratio, their meanings, basic ideas and conditions applicable. at present, china has been a member of wto

    從原保險人利用再保險轉移風險的目的出發，本文集中討論了均值方差原理、效用原理及夏普比率（風險收益比率）下的再保險最優化模型，三種原理的含義、基本思想及所適用的條件。
  11. The results indicated that the screening rate was positively correlated with the legislation of the kindergartens ; the abnormal rate was around 4 - 5 % each year and was no different in different countie, but the referral rate was low ; the use of medical resources after referral was high as 90 % ; the accuracy of screening was around 50 % each year as was the trend of increased accuracy ; the total cost of health screening was around $ 4200 million between 1997 to 1999 but only $ 1800 million in 1995 due to lower costs per case and $ 2600 million in 2000 due to fewer cases screened

    研究發現兒童接受篩檢率與立案率有顯著的正相關；異常個案管理轉介人數，各縣市之間差距不大，歷年比率在4 % ~ 5 %之間，轉介比率偏低；經轉介之後的就醫百分比，歷年均在九成以上；篩檢正確率，歷年均在五成以上，且有逐年升高之趨勢；健康篩檢經費， 86至88年度健康篩檢經費均在四千二百萬以上， 85年因每人次檢查費用較低，健康篩檢經費將近一千八百萬， 89年度則因篩檢人數較少，總費用約?二千六百萬。
  12. This conversion is based on the analytic expression of sonic and elastic wave equation, and use the different wave field extrapolation, which is initially used in seismic migration and forward modeling. this paper introduces the easy and efficient finite - difference method to realize the conversion by comparing three different methods

    論文經過對三種常規波場延拓方法（ kirchhoff積分法、頻率波數域法和有限差分法）優缺點的比較，採用了簡單易用的有限差分方法來實現這種轉換。
  13. Survival was significantly worse for patients with n2 disease than for those with no lymph node metastasis ( median survival 10 months vs 29 months, respectively, p =. 005 )

    值得注意的是n2期的生存率要比沒有淋巴結轉移的病人要更差（平均生存時間分別為10個月和29個月， p . 005 ） 。
  14. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明，增大砂輪軸向進給速度和減小工件轉速，採用粗粒度砂輪有利於提高磨削矽片的材料去除率，砂輪軸向進給速度對材料去除率的影響最為顯著；適當增大砂輪轉速，減小砂輪軸向進給速度，採用細粒度砂輪可以減小磨削表面粗糙度；在其它條件一定的情況下，砂輪速度超過一定值會導致材料去除率減小，主軸電機電流急劇增大，表面粗糙度變差；採用比# 2000粒度更細的砂輪磨削時，材料去除率減小，矽片表面粗糙度沒有明顯改善。
  15. The concrete design method of the votating speed difference frequency fuzzy controller is studied in detail. based on single - chip microcomputer 8031, using table look - up method, votating speed difference frequency fuzzy controller applied to induction motors is implemented. simulation result demonstrates that the control result for the producing plastic flat yarn of votating speed difference frequency fuzzy control to the speed of induction motors is idealer

    本文對轉差頻率模糊控制器的具體設計方法進行了討論：以單片機為核心，用查表法實現異步電動機轉差頻率模糊控制；最後，結合工廠塑料平膜拉絲機驅動電機參數對系統進行了模擬，分析了轉差頻率模糊控制對異步電動機轉速的控制效果，結果是比較理想的。
  16. Firstly, the experimental phase current and input power data obtained from load test are employed to estimate the parameters in ii rated condition. then, the phase current and input power data in locked rotor condition are used to track the variation of the parameters of the secondary coil with slip frequency. the classical method and the direct modification method are also used to estimate the parameters of the induction machine in comparison with this technique

    首先利用了負載試驗的定子電流和輸入功率數據來識別額定工況下的電機參數，然後又使用了堵轉時的定子電流、輸入功率數據來識別電機二次繞組參數隨轉差頻率的變化，並與傳統參數測試方法和直接修正參數法進行了比較。
  17. Slip is more usually expressed as a fraction of rotating magnetic speed

    電機轉差率通常表示為旋轉磁場轉速的百分比。
  18. The main purpose of this paper is to offset the pitfalls mentioned above from two aspects : on one hand, to put forward an overall analytic skeleton on the corporate control trading efficiency, on the other, to conduct comprehensive comparisons among the efficiency of different trading models by using the skeleton

    本文力圖從兩方面彌補這一缺陷：一方面提出一個對公司控制權轉讓效率進行總體分析的框架；另一方面則利用這一框架對各種轉讓方式間的效率差異進行綜合比較，力圖得出對公司控制權轉讓實踐有指導意義的結論。
  19. The results suggest fraud companies have higher debt ratio and proportion of other receivable to current assets, slower short - term liquidity, have lower ratio of days " sales in receivables, adjusted operational cash flow per share and smaller equity ' s centralization extent than nonfraud companies have. beside non - fraud companies, fraud companies are easier to receive non - standard unqualified auditing opinion

    實證結果顯示：舞弊公司與非舞弊公司相比有更高的負債比率、其他應收款占流動資產的比重，更差的短期償債能力，更低的應收賬款周轉率、調整后每股現金和股權集中度，也更容易被注冊會計師出具非標準無保留審計意見。
  20. Qingdao haier has to strengthen management in order to make the conversion successful. the paper analyzes qingdao haier ' s operation status and financial status in 2001, analyzes its competitiveness and the impact of the change of environment on it, points out the problems existing in its capital structure, forecasts its income and earning before interest and tax in 2002, and compares convertible bond with stock and bond with respect to individual capital cost, overall capital cost, differential cash flow nud earning per share, and draws the conclusion that convertible bond is the best choice for haicr. the paper continues to systematically design convertible bond for haier and evaluate the convertible bond using the option pricing model

    本論文分析了青島海爾有限公司2001年的經營狀況和財務狀況，分析了青島海爾有限公司的競爭優勢以及它所面臨的環境變化的影響，指出了青島海爾有限公司資本結構上存在的問題，然後根據公司的發展戰略及公司2001年的各種財務比率，預測公司2002年的收入及息稅前利潤，並從個別資本成本、綜合資本成本、差異現金流量和每股收益等方面對青島海爾有限公司增發新股融資、可轉換債券融資及企業債券融資三種融資方式進行了全面細致的比較分析，最終得出青島海爾有限公司以可轉換債券融資是最合適的。
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