數量分佈函數 的英文怎麼說

中文拼音 [shǔliángfēnhánshǔ]
數量分佈函數 英文
number distribution function
  • : 數副詞(屢次) frequently; repeatedly
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • 數量 : quantity; quantum; amount; magnitude; number
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度,在給定兩種球狀星團系統的初始質譜(冪律的和對高斯的)和兩種球狀星團系統的初始速度(愛丁頓速度和常的速度彌散度)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  2. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上,利用銀河系的三成( threezone ) (即暈、厚盤和薄盤)多相( multi - phase ) (氣體,子云,大、小質恆星以及剩餘物質)的化學演化的理論模型,通過與觀測約束(質面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含、三成份的特徵、元素的星系化學演化、超新星的爆炸率、內落速率等)的比較,來檢驗模型的合理性。
  3. Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded

    本文通過對樣車的故障進行統計,析了我國汽車產品質的薄弱環節,並藉助理統計手段和汽車可靠性理論,得出了國產客車、載貨汽車以及轎車的故障規律和相應的故障、可靠度、故障密度及故障率,論述了國產汽車產品的可靠性現狀。
  4. This article deduces molecular beam ' s momentum distribution function, calculates mean momentum, root mean square momentum and furthorest possible momentum, and compares them with the characteristic physics quantities corresponding to molecular beam ' s speed distribution function one by one

    摘要本文首先推導出子束的動,然後計算了平均動、均方根動和最概然動,並與子束的速率相應的特徵物理逐一比較。
  5. A necessary and sufficient condition with ergodic of 1 - order probability distribution function of stochastic process ( theorem 1 and corollary 1 ) and extended the general distribution theorem of stochastic variable under the case of weakly condition ( theorem2 ) are presented

    摘要提出了隨機過程一階概率具有遍歷性的一個充必要條件(定理1和推論1 ) ,並在較弱條件下,對一般的關于隨機變定理作了進一步的推廣(定理2 ) 。
  6. According to the characteristics of exploration in oil and gas bearing basins, the author designed the model of multi - scheme decision - making of exploration in oil and gas bearing basins with the method of monte carlo and finished the concrete content of model by c + + builder 5. the paper described the whole procedure of simulation and gained the probability of net cash flow, accumulative net cash flow and financial net cash. the author compared the first exploration scheme with others and revised the result by the method of analytical hierarchy process

    以羌塘盆地為實際算例,具體描述了模擬的整個過程,得到了各年凈現金流,累計凈現金流,財務凈現值等經濟決策指標的概率和累計概率,並對羌塘盆地的三個大規模勘探方案作了比較,使用層次析法對比較結果作了修正。
  7. Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually

    將系統的哈密頓在一個適當的正交基矢下展開並對角化,得到系統的能譜,別計算系統能譜的能級間距和譜剛度,研究了該系統子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。
  8. It is proved that as the number of insured tends to infinity the average prospective loss random variable of this portfolio tends in probability to a certain random variable of which the approximate distribution function is derived

    證明了當保單趨于無窮多時,平均損失變按概率收斂于某一個隨機變,推導得到了該隨機變的近似
  9. It was found that more rolling passes lead to homogenous rolling deformation and benefit the formation of final cube texture

    並用三維取向織構定檢測和掃描電子顯微鏡觀察、研究了超薄型高壓陽極鋁箔的立方織構及其對腐蝕比電容的影響。
  10. The physical properties including the atomic positions, the layer atomic density and the layer structure factor were calculated to disclose the relations between their microstructures and temperature

    通過計算不同溫度的原子位置、層原子密度、層結構因子、徑向等物理,研究( 001 )面的微觀結構隨溫度的變化。
  11. With a reasonable choice for these two parameters, our model predicts an occupation number distribution of galaxies in halos which agrees very well with the predictions of semi - analytical models

    通過適當選擇這兩個參,模型預言的暗暈中星系的和半解析模型的結果符合得非常好。
  12. Unfortunately, it is difficult to obtain the non - equilibrium distribution functions by strictly solving the qgp kinetic equations

    對於一個經典系統,知道了,宏觀物理就可以用的矩表示。
  13. Weight distribution function

  14. According to the wind speed distribution function with exponential rule, the difference value is accurately calculated between the actual wind power produced through the rotor swept area and the wind power produced by taking wind speed at the rotor centre as the design wind speed, and the power increment is obtained

    摘要根據指律的風速,對風輪掃掠面積上的實際風功率與以風輪中心風速為設計風速產生的風功率的差值做精確計算,得到了風功率的增
  15. The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density

    第二,從有碰撞項的qgp動力論方程出發,忽略自旋,在色漲落擾動下,利用弛豫時間近似,得到夸克和膠子的二級修正,通過析重點討論了高溫低密情況下qgp中成粒子的特性,並且由得到凈重子密度和能密度。
  16. Mass distribution function

  17. Number distribution function

    數量分佈函數
  18. In this section of the paper, we summarize statistical simulation problem and provide the simulation algorithms of statistics distribution, large sample simulation, testing power, empirical simulation and optimal problem, etc. and show the examples

    摘要本文概述了統計模擬問題,介紹了統計模擬,大樣本模擬,檢驗功效模擬,經濟模擬及優化問題模擬等,給出了一些模擬實例。
  19. Molecular weight distribution function

  20. In the meantime, a comprehensive field investigation into the structural planes of rock masses in chengchao iron mine is conducted, which, together with the application of statistic probability model and the analysis of investigation results of joint fissures, has determined the distribution function of structural plane parameters

    同時,對程潮鐵礦巖體結構面進行了大的現場調查,應用統計概率模型,對節理裂隙調查結果統計析,並得出結構面參
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