換算因子 的英文怎麼說

中文拼音 [huànsuànyīnzi]
換算因子 英文
coefficient of reduction
  • : 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
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 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...
  • 換算 : [數學] matrixing; scaler; conversion; convert; translation換算表 conversion table; equivalent tab...
  1. Algorithms for finding the minimal polynomials and inverses of permutation factor circulant matrices

    求置循環矩陣的極小多項式和逆的演
  2. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計了冷卻空氣通過這幾種通道時的流動與熱情況,得到了各種不同情況下計區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  3. Based on the observation data obtained from 69 sampling sites of different age class forests, and by using biomass expansion factor function, the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built, and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data

    摘要利用生物量轉連續函數法,通過69組不同齡級的森林樣地實測數據,擬合了珠江三角洲主要森林類型的生物量和蓄積量之間的回歸方程,並結合3個時段森林清查資料,估了區域森林生物量及其動態。
  4. The work on seasonal dynamics of litter input and decomposition and the relationship between them and environmental factors was studied through the method of harvest and weight loss. soil respiration rate was measured by alkali - absorption method and the contribution from soil microorganism respiration and from root respiration was determined through trendline method of linear regression between soil respiration rate and belowground biomass. mathematical models were established between the seasonal dynamics of main components of soil total respiration including soil respiration, root respiration, soil microorganism respiration, litter respiration and environmental factors

    應用收獲法和重量損失法對枯枝落葉輸入與分解的季節動態及其與環境的關系進行了研究;應用靜態氣室法測定了土壤總呼吸和凋落物呼吸,應用土壤呼吸量與地下生物量線性回歸趨勢線法測定了土壤微生物呼吸及根呼吸的貢獻量,運用相關分析法建立了土壤總呼吸、根呼吸、土壤微生物呼吸及其凋落物呼吸季節動態與環境之間的數學模型;應用灰色分析比較了兩群落土壤呼吸季節動態產生差異的原;應用干重法對土壤微生物能量積累量的季節動態進行了測定,建立了土壤微生物能量積累量與環境的數學模型;應用系統分析方法,利用分室模型,對兩群落枯枝落葉與微生物之間的能量流動進行了定量測定和穩定性分析。
  5. The relation which is among photosynthetic of three kind lawnx dateable and yearly transpiration rule and environmental factor is found by analysis. it is gotten account water consumption of lawn in certain unite area and ecological water requirement by accounting. all the result provides basic - 2 - data for park and garden department in changchun and offer scientific and logical advice

    將結果進行分析,得出三種草坪草光合、蒸騰的年、日變化規律及與外界環境的關系,通過計求出草坪草單位面積的蒸騰耗水量,為長春市園林部門提供科研基礎數據,對北方城市草坪的選種及水分管理提供合理化建議,期望以盡可能少的經濟投入取更大的生態效益。
  6. Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems

    接著針對上述nanc系統兩路輸入信號噪聲相關性弱的情況,用相干函數作頻域增益來提高輸出信噪比與改善語音增強效果,同時,通過一種實時迭代演法解決了短時傅氏變量大的問題,簡化了計,便於實時處理與實際應用。
  7. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈高斯分佈的雙轉結構研拋模;採用脈沖迭代法、平滑傅立葉變法推導出駐留時間的演法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計公式;分析了邊緣效應產生的原,在加工過程中採用相對壓力對去除函數進行修正,可以消除邊緣效應的影響。
  8. Liquidity conversion factor

    流動資產換算因子
  9. Mass conversion factor

    質量換算因子
  10. Which contains conversion factors for converting between metric and american units

    的簡單的表,其中包含公制與美製計量單位的換算因子
  11. The new series has year 2000 as the base year. in the new series, indices for periods prior to 2000 are obtained by re - scaling the previously published series, which has 1990 as the base year, using a conversion factor derived from the levels of the old and new series in the overlapping period of 2000

    二零零零年以前的新系列指數是將以往發表的舊系列指數(以一九九零年為基期)按比例得來,所用的換算因子是根據新舊系列在二零零零年重疊期間的數值而計的。
  12. The absorbed doses are obtained with a uniform state ion chamber that is formed with liftld cavity and lif wall and designed by ourselves. the key problem, the dose to fluence conversion factor of the photon with single energy from 0. 1 mev to 12mev, has been solved by simulating with monte carlo code system egs4

    用m - c方法計了固體電離室對0 . 1mev 12mev的單能光的單位光注量? lif吸收劑量的轉,從而解決了由高能光吸收劑量實測值轉成光注量時所面臨的困難問題。
  13. Atomic mass conversion factor

    質量
  14. This dissertation introduces a regularization algorithm to tackle the problems of the nearly singular integrals. in the algorithm, the singular factor is removed from the kernel functions in the singular integrals by means of integration by parts

    該演法通過對積分核進行一系列的分部積分,將引起幾乎奇異積分的到積分號之外,從而可以克服幾乎奇異積分的困難。
  15. We analyze the generation of external cavity frequency - doubling with knbo3 crystal theoretically. in order to get the second - order nonlinear conversion from 858nm to 429nm with knbo3, we use non - critical type - i phase - matching to avoid the walk - off effect the corresponding optimum focusing condition is as followings : double refraction parameter b = 0, focus parameter = 2. 84, optimum phase mismatch parameter = 0. 574. based on the theoretical analysis and numerical calculations, we obtain the ideal nonlinear conversion coefficient about 1. 45 % / w with crystal length of 7mm and 2. 07 % / w with crystal length of 10mm at the phase - matching temperature around 23. 50c

    根據對其倍頻原理及性能的分析討論,在用該晶體完成波長從858nm到429nm的二階非線性轉時,採用非臨界相位匹配條件(此時無離散效應,對應的雙折射參數b = 0 ,共焦長度為= 2 . 84 ,最佳相位失配為= 0 . 574 ) ,在相位匹配溫度約為23 . 5時,理論上通過計得到理想情況下非線性轉系數約為1 . 45 / w (長度為7mm ) , 2 . 07 / w (長度為10mm ) 。
  16. Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing

    一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點,得到了擴展的高斯色噪聲背景下的諧波恢復演法,即高斯色噪聲中的pisarenko諧波恢復法和旋轉不變法( esprit ) ;並推導了信號的狀態方程和觀測方程,進而得到基於卡爾曼濾波的遞推演法對信號進行提取;本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變與小波變;另一個方面是針對雜波服從高斯分佈這一特點,提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。
  17. Using the voltage stability graph, the voltage stability margin can be known. the bus participation factors can be computed from the left and right eigenvectors associated with the minimum eigenvalues

    在求最小特徵值的同時,求出該最小特徵值對應的左、右特徵向量,利用左、右特徵向量來計在最小特徵值為零時的流母線參與
  18. First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears

    主要針對中、大容量供水系統中,由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點,難以利用有效的解析式數學模型進行閉環控制,以及多臺水泵並聯運行時,水泵電機由變頻電源供電向工頻電源供電切過程中產生的過電壓過電流沖擊這兩個難題,提出了可調整fuzzy - pid控制演法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切
  19. Second, some kinds of hall plates are taken into account. by applying schwarz - christoffel transformations, the geometrical correct factor and the aspect ratio of hall plates with four equal edge contacts of none - zero length, witch are in variant for a rotation through 90 ? are computed

    論文採用保角變的方法對霍爾集成電路中常用霍爾元件的幾何修正和有效寬長比進行分析計,分別給出靈敏度最高或功耗最低時,霍爾元件的最佳結構尺寸。
  20. By storing a beacon image in aircraft as reference and regarding actual beacon image as the sum of reference image and additive gaussian white noise, the values of rotation and translation for beacon image were calculated according to phase correlation and dft ( discrete fourier transfer )

    該方法的原理是在航天器上存儲一幅信標圖像作為參考,把實際信標圖像看成參考信標圖像和附加高斯白噪聲和的形式,基於離散傅里葉變和相位相關技術對信標的旋轉和平移進行計
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