推力指數 的英文怎麼說

中文拼音 [tuīzhǐshǔ]
推力指數 英文
thrust index
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 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...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大量實測溫度場結果建議採用一個有利於理論導的的公式來擬和箱梁體內的溫差分佈,既貼近實測值,計算又比較簡單;通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應的實測,以及與本文所提出計算方法的理論解進行的分析比較,證實了本文計算方法的正確,同時改進了已往混凝土箱梁溫度自應的計算方法。
  2. Jiyang depression is a field where nonhydrocarbon is rich. these resources have close relation with the activities of the volcanos. at the same time, the activities of volcanos have deep contact with the activities of the faults. the growth of the faults in jiyang depression is great. by the research of the index number of the faults growth and the other researches, nw direction faults are the most ones in mesozoic, nw and ne and approximately ew directions all exist in cenozoic. the above reflects the whole geotectonic background that sinistral shearing stress field exists in mesozoic, but dextral shearing stress field exists in cenozoic

    這些氣藏與火山活動有密切的成生關系,同時火山活動與斷裂活動也有密切的關系。濟陽坳陷內斷裂活動極為發育,通過斷層生長等的分析,斷中生代斷裂以北西向為主,新生代則兼有北西向北東向和近東西向的斷裂,上述斷裂發育特徵反映了該區的大地構造背景,在中生代是左旋的剪切應場,在新生代則是右旋的剪切應場。
  3. Mr. lam chiu - ying, director of hko, said, " in recent years, hko expended effort in developing public weather services and improving its service quality. the cold and very hot weather warnings, ultraviolet index, wmo s world weather information services and severe weather information centre websites, and lightning location information as a supplement to the thunderstorm warning, are some examples

    香港天文臺臺長林超英說:近年香港天文臺努動公眾氣象服務的發展及提升服務質素,例如酷熱及寒冷天氣警告、紫外線、世界氣象組織世界天氣資訊服務及惡劣天氣信息中心網站、閃電定位資訊以輔助雷暴警告等。
  4. Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades

    摘要在分析金粒在水系中運移、落淤和在土壤中擴散動條件的基礎上,本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式,闡述了算異常內礦石最高金品位的方法並計算了秦巴地區的判別;總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系和常
  5. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構,證明了矩陣正態? wishart先驗分佈是模型參( , )的共軛先驗分佈,研究了該先驗分佈下模型系矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計,對模型預報密度函進行了嚴格的導,並將其應用於多元質量控制領域,構造了貝葉斯均值向量聯合控制圖;結合wishart分佈與x ~ 2分佈之間的關系,設計與斷了貝葉斯多標過程能及其貝葉斯置信下限。
  6. According to deduction and calculation the critical inclination of failure face has a linear relation with the slope angle, a quadratic function relation with the friction angle of failure face, a logarithmic relation with the height of failure part, a negative exponent relation with the cohesion of failure face, and a quadratic function relation with the unit weight of failure body

    通過導和計算得知,滑面的臨界傾角與邊坡傾角呈線性關系,與破壞面摩擦角呈二次函關系,與滑體高度呈對關系,與破壞面的黏聚呈負關系,與巖體重度呈二次函關系。
  7. The high p / e ratio has confused the financial order, has strengthened financial risks, hinder the growth of the real economy, not benefit the forming of correct investment concept, encourage behavior of speculating, cause inefficient distribution full play of function. we can reduce the high p / e ratio, suppress the p / e ratio to increase, by improving the management level, perfecting stock right structure and administration structure of the listed company, strengthening supervision of the listed company, stopping up all sorts of abnormal behavior of the stock market, perfecting the stock market system, trying one ' s best to reduce the government ' s intervention, changing means of the government interfere etc. then the china stock market can get lasting, healthy development

    解決好我國股市市盈率過高的現象,可以從以下幾方面著手提高上市公司的經營水平,增強其盈利能是降低股票市場市盈率的跟本;完善上市公司的股權結構,解決中國上市公司「一股獨大」的問題;要完善上市公司的治理結構,健全董事會制度是核心,發揮監事會職能實現權制衡,構造適合中國國情的監督機關,對經營者激勵與約束同等重要,強化經營者的激勵和約束,讓利益相關者行動起來;加強監管,堵絕股票市場的種種不規范現象,對莊家的運作強化監管,對其違法違規行為加大懲治度是促使中國股市持續、穩健發展所採取的必要措施;同時完善股票市場的制度建設,完善的退市機制,盡早出確實可行的股票價格期貨市場;盡量減少政府的干預,轉變干預手段等。
  8. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括: 1在設計狀態和工作狀態下,根據mpt的實驗參,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的導意義; 2對于he 、 ar進工質,討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功率、工質的質量流量對諧振腔壓強、、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主流進工質。
  9. Time, the paper studies rheology of rockfillwith yin zongze model, of two yield surface and rheological relation of negative exponential, and some formulas are obtained it is difficult to determine the rheological parameters, of rock fills through laboratory test for the limited specimen, dimension, short duration and particle, constituents

    本文採用殷宗澤雙屈服面模型與堆石流變的負變化關系式,研究堆石的應與流變關系,並導了相應公式。在流變參確定方面,由於室內試驗的試樣尺寸、時間比尺和顆粒破碎很難模擬現場條件,根據室內試驗直接確定堆石的流變參是困難的。
  10. Furthermore, according to a survey conducted by the taiwan network information center twnic, in 2004 taiwans network popularization rate reached sixty - nine percent, among which more than seventy percent of families had access to the internet using broadband. taiwans broadband and network penetration rates both ranked fourth in the world, and her digital environment growth rate is ranked second

    Wef已是連續第5年發表全球資訊科技報告,是研究資通訊科技information and communication technologies , ict如何影響各國發展與競爭最權威的評估報告,而nri是評估一個國家利用ict動經濟發展及提高競爭的標準之一。
  11. Therefore, a timely introduction of the stock index futures is necessary for meeting the requirements of the mass investors and the development of china ' s securities market. the third chapter expounds the selection of index of china ' s stock index futures

    這說明中國的金融市場適時的出股票期貨是十分必要的,從而滿足廣大投資者規避市場風險的要求,促進中國證券市場的健康發展,以及增強中國證券市場的國際競爭
  12. Finally, by practical test, experimental data obtained show that the dynamic thrust measuring system is dramatically available and successful. especially, it shows that when the impulse width is 20ms and the duty ratio is 1 : 3, the measured results are stable and reliable. hence, the system designed here can meat the test requirements of the actual applications, and the technology studied in the thesis also give a good foundation to future research work

    最後,系統建成以後,通過多次調試試車、考核試車和實際型號試車的考核,試車結果表明,該系統的設計是成功的,動態據穩定、可靠,可滿足發動機以20ms脈寬工作,占空比為1 : 3的情況下,進行發動機的動態性能標測試,滿足實際應用的需求,為進一步進行動態測試技術研究奠定了良好的基礎。
  13. Calculating result showed : the thrust changing caused by the magnitude of at / ac was more larger than that both of the pressure index : " n " and of the chamber diameter, and the best thrust could be get when at / ac < 0. 3

    值計算可知, at ac的大小變化所引起的變化比壓n和藥室直徑的變化引起的變化大得多,而且當at ac 0 . 3時,可以得到最佳的效果。
  14. Last, adjusted policy and extrapolated competitiveness indexes data are tested to analyze the potential of fujian province to fo recast when the science and technology competitiveness of fujian province can catch up with other provinces which have high level of competitiveness. from above analysis, we can analyze the superiority and inferiority and search the developing direction of science and technology of fujian province

    最後通過政策調整和科技競爭據外,對福建省科技競爭進行政策模擬和科技競爭潛分析,預測福建省科技競爭按現有趨勢發展,加之對政策變量的調整情況下,其科技競爭何時能趕上科技競爭水平較高的地區,由此正確分析福建省科技發展中的優勢和劣勢,確定科技發展方向。
  15. For example, for well over a century serious students of agriculture the world over have kept themselves busy trying to document historical changes in production indices such as seed yield ratios, yields per acre hectare, yields per laborer employed, etc. in so doing, they have often undertaken ingenious, even heroic acts of data reconstruction via interpolation and extrapolation from incomplete data

    例如,一個多世紀以來,這個世界上嚴肅的農業學者一直忙於整理生產諸如種子和產量比、每英畝或公頃和產量比、人均勞動和產量比等,以顯示農業的歷史變化。在從事這些項目過程中,學者們經常通過對不完整資料的內插和外來艱苦和精巧地重建據。
  16. The first stock index futures contract appeared in kcbt on feb. 24th, 1982. and its transaction volume has been increasing considerably on a global scale. because the stock index futures has the functions of price detection, risk aversion and asset allocation, it has become more and more important in the international financial market and is entitled the most exciting creation

    自從1982年2月24日,美國堪薩斯市期貨交易所( kcbt )出第一張股票期貨合約? ?價值線綜合期貨合約以來,股票期貨在全球范圍內的交易量迅猛增長,很快發展成為全球金融衍生品市場中最具活的交易品種。
  17. When an engine works under the vacuum condition. so existing experimental products can be proof - tested by it and all test results obtained will be used for reference for the aero craft. accordingly, the technology studied in the thesis is quite significative to improve the efficiency of the engines of space propulsion system, economize limited resources on the spacecrafts, and prolong their lives

    其目的是建立一個能滿足小液體火箭發動機動態測試的系統,以便能夠根據空間進系統對發動機越來越高的工作性能要求,真實有效地反映發動機在真空環境下的工作狀態等,對已經設計和生產出的發動機在高空模擬條件下進行實際測試,從而提供發動機的動態性能標,為發動機的定型提供試驗據和依據。
  18. Using gyro measurements during periods of thruster firing, with thruster outputs, mass property identification is achieved through recursive least squares algorithms on the basis of the refined dynamics equation. the approach addresses the issue by segmenting the problem into two sub - problems which both allow closed form solution to reduce computation load

    該方法利用衛星上的陀螺輸出和器控制令作為演算法的輸入,在修正的衛星姿態動學模型基礎上,導了衛星質量特性在線辨識遞最小二乘演算法,將質心位置和轉動慣量矩陣的辨識解耦以降低辨識演算法的維,減少計算量。
  19. Hence this method can improve accuracy and efficiency of the calculation. c. based on these work upwards, an adaptively wavelet precise time - invariant integration method was proposed in this paper. in this method, an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted, in which the time complexity is less than oleg v ' s method, and then the adaptive precise integration method was combined with, so that in this method the adaptively discretes both in time domain and physical domain were realized

    該方法將外法引入求解結構動方程的精細時程積分法中,從而使該方法在求解非線性動方程中可以自適應選取時間步長;需要出的是,由於考慮了矩陣精細演算法和外法演算法在時間離散方法上的一致性,在外過程中,計算工作量基本沒有增加;因此,兩種方法的結合有效提高了演算法的效率和精度。
  20. 4. the recurrence formula of the creep strain is the key of fem calculation of creep stress. in this paper the exponential function is used to figure the creep strain, and the recurrence formula of 3d creep strain at any periond of time is derivated

    徐變變形遞計算公式是溫度徐變應有限元計算實現的關鍵所在,本文用式表示徐變度,在此基礎上,對三維空間問題徐變變形進行了研究,導了任一時段徐變增量的遞計算公式。
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