核密度 的英文怎麼說

中文拼音 [hémìdù]
核密度 英文
nuclear density
  • 核 : 核構詞成分。
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. One obtain a description of the vibrational modes in terms of self-consistent oscillations of the nuclear density and potential.

    藉助核密度和勢的自洽振蕩我們便得到振動模式的描述。
  2. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明：隨著工作氣壓的減小，薄膜的晶粒尺寸有所減小；通過提高氫氣稀釋度，利用原子氫在成膜過程中起的刻蝕作用，可以穩定結晶相併去除雜相；選擇適當的熱絲距離能保證反應氣體充分分解，又使襯底具有較高的過冷度，是形成納米薄膜的重要條件；採用分步碳化法可以提高形核密度，有利於獲得高質量的納米- sic薄膜；襯底施加負偏壓可以明顯提高襯底表面的基團的活性，因負偏壓產生的離子轟擊還能造成高的表面缺陷密度，形成更多的形核位置。
  3. In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method

    為使理論計算變得可行，我們在核芯和靶核密度採用多個高斯分佈擬合的情況下，解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分（八重以上，並且積分維數隨暈核子數很快增加）採用蒙特卡洛方法計算。
  4. Moderate deviations for the kernel density estimators

    核密度估計的中偏差
  5. Each group contained 15 patients with a nuclear density of grade 3

    每組十五個病人，核密度等級為3 。
  6. Methods non - parameter kernel density estimation method was adopted

    方法採用非參數核密度估計推斷方法。
  7. The three different pretreatment methods were adopted respectively in order to increase nucleation density

    為提高金剛石成核密度分別採用以下三種不同的基片處理方法。
  8. Hence, it is considered that the high nucleation density integrated with low substrate temperatures causes the growth of nanocrystalline p - sic films effectively

    因此，高的形核密度與低的襯底溫度是促進納米- sic薄膜生長的關鍵因素。
  9. All of them contribute to diamond nucleation and coating adhesion. meanwhile, ultrasonic scratching pretreatment was also applied by using diamond powder to enhance diamond nucleation

    當然，用金剛石粉進行超聲研磨以提高金剛石武漢理工大學碩士學位論文成核密度也是需要的。
  10. To the models as follows : with in zt ( ). with the application of the m. west ' s kemal theory and the sequential imputation algorithm, we can solve the problem of the forecasting

    對于如下含參數模型綜合利用m . west的核密度光滑理論和序列imputation演算法，使模型預測的問題得到了解決。
  11. Compared with traditional pca - based methods which assumes that the data are independent and follow normal distribution, this kernel - density based method does n ' t require any assumption on data distribution

    而傳統的基於主元分析的系統性能監控方法都是假定測量數據相互獨立且服從正態分佈的，採用核密度估計方法無需對數據的分佈作任何假定。
  12. When the third pretreatment method was adopted, microwave input power was 700w, gas pressure was 1000pa and substrate was tangent on plasma ball surface, diamond films showed higher nucleation density by contrast

    經過對比採用方案基片處理方式，基片和等離子球處于相切位置時，在微波輸入功率700w和反應氣壓1000pa時沉積工藝參數時，基片成核密度較高。
  13. In last chapter, a new conception and model for var, based on prediction are brought forward. finally, a kind of new kernel density estimating function, adapting to financial time series is employed to extend time series kernel density estimating model

    文中最後一部分，從風險價值預測的角度出發，建立了基於var預測的概念和模型，提出了一種適合估計金融時間序列分佈的核密度函數，並採用加權法推廣了時間序列核密度估計模型
  14. Considering the fact that continuous process and batch process are the two important production modes in process industry, and each of them has its respective characteristic, our works are divided into two parts, those are, monitoring of continuous processes and of batch processes. the main contribution of this thesis is as follows, 1 multivariate kernel - density estimation method is used to calculate the distribution of data and assess the impact of parametric uncertainty on the monitoring performance

    由於連續生產方式和間歇生產方式是流程工業中兩種重要的生產方式，它們具有各自不同的特點，因此，本文的工作分兩大部分，即連續工業過程的監控和間歇工業過程的監控，具體包括： （ 1 ）採用多變量核密度估計方法，研究了參數不確定條件下，過程數據的分佈及其對系統監控性能的影響。
  15. It also puts forward logical explanations to a few facts that are still unable to be explained, up to now, by the classical consumption models. however, for the scholars in china, the cognition of the buffer - stock theory still remains at a superficial level of only providing simple theoretical introduction to it. a finer depiction and empirical application of it will not only facilitate studies on the related theories in china but also do great benefit to the development of the buffer - stock theory itself because china is admittedly one of the

    本論文的主要發現及創新包括:在理解和刻畫我國居民的預防性儲蓄行為時，緩沖儲備模型要優于以儲蓄水平量作為被解釋變量的模型;核密度估計方法對不確定性的描述更準確;從儲蓄率變化率的角度進行的格蘭傑因果關系檢驗證實了我國的居民存款儲蓄對經濟增長有推動作用;養老金的變化對我國居民儲蓄行為具有顯著影響，而我國現有的醫療保障體系沒有發揮其應該能夠發揮出的作用。
  16. With plating time going on, the nano - polycrystal gathering grows in two dimensions, and the new nano - polycrystal layer appears simultaneously on the formerly formed nano - polycrystal surface. because the boundary and defect densities in quenched and tempered 45 steel is higher than those in annealed steel, the nano - polycrystal gatherings formed at its surface at the beginning of electro - deposition are more concentrated, and then their size is smaller. the microstructure of the ni - p alloy coating has closed relation with its phosphorus content with the increase of phosphorus content, the microstructure of coating turns from nano - crystalline to the amorphous

    隨著施鍍時間的延長，納米晶聚晶體在橫向二維生長的同時，在納米晶聚晶體的表面上也進行著三維方向的新的一層聚晶體的生長；在調質態45鋼表面，由於其具有比較高的晶界和缺陷密度，因此在沉積初期，納米晶聚晶體的成核密度也較大，從而在二維方向聚晶體的尺度較小，鍍層沉積初期表現為緻密細小的鱗片狀組織。
  17. The research and application of the diamond films were reviewed in this paper, and the nucleations on different substrates in hfcvd ( i lot filament chemical vapor deposition ) system were introduced. the improvement of the diamond nucleation on si, ni, cu was investigated, in order to deposit diamond of high density. the p - n junction between b - implanted diamond films and n - type si substrate was investigated

    本論文簡要敘述了金剛石薄膜的研製進展和應用，介紹了用化學氣相沉積法（ hotfilamentchemicalvapordeposition ）在不同的襯底上的金剛石薄膜的制備方法和形核，並對si 、 ni 、 cu三種不同的襯底的金剛石膜研究了如何增大形核密度、提高形核質量。
  18. Factor contributing to this problem is that the metal cobalt used as the cementing phase easily causes diffusion and dissolution of carbon, promotes graphite growth and inhibits diamond nucleation and growth in the course of competitive growth between diamond and graphitic carbon

    其原因是在沉積過程中，基體中所含的鈷會引起碳的溶解和擴散，從而導致金剛石成核密度的降低和石墨的形成。
  19. Lots of experiment results showed that proper pretreatments could reduce the negative influences of co binder phase in the substrates and improve the diamond nucleation and film adhesion, and this obtain ideal film quality

    大量實驗結果表明通過適當的預處理能有效消除或抑制基體中鈷黏結相的負面影響，提高金剛石的形核密度以及膜基結合力，從而獲得理想的薄膜質量。
  20. Punch the new core density into the equations

    把新的地核密度輸入
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