coefficient group 中文意思是什麼

coefficient group 解釋
系數群
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標，採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。
  2. The mold cavity number is used to group plastic cuvettes at production time ; this helps to ensure the lowest cuvette - to - cuvette variation in extinction coefficient

    在生產過程中，通過鑄模型腔的數量用來對塑料試管進行分類。這對于確定試管間的最低消光系數很有幫助。
  3. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen ）等人提出的統計方法，用垂向上砂體密度的界限來推測砂體側向連通情況；根據每口井的測井解釋資料，利用克里金插值法對外間進行插值，得到了一組反映儲層特徵在平面上變化的參數，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。
  4. Results pulmonary coefficient was significantly lower in all the drug intervening groups than that in the model group p0 05, improvement on alveolitis and pulmonary fibrosis were also shown after intervention, especially in the hxd prevention group pwtbz005. hyp content in lung tissue and tgf 1 content in balf lowered at the same time

    結果各藥物干預組與bm組比較，小鼠肺系數明顯下降p005肺泡炎纖維化程度均有改善p005 ，其中化纖湯預防治療組改善最明顯肺hyp含量下降p005 balf中tgf 1含量亦明顯下降。
  5. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性
  6. After synthetically analyses and researches of the existing methods for injection allocation rate, this article takes the group of water - injecting wells in waterflood oilfield as the research unit, the multiple regression method to decide the injection allocation rate is applied, by which and its regression coefficient and partial correlation coefficient, the multivariate regression models of model and model are developed

    在對目前存在的配注方法的綜合分析和研究之後，提出以水驅油田注水井井組為研究單元，採用多無回歸方法來確定注水井井組配注量，並基於多元回歸方法的回歸系數和偏相關系數，分別建立了多元回歸模型、 。
  7. We propose several watermarking techniques after analyzing other watermarking methods detailedly. the main contributions can be summarized as following : ( 1 ) based on previous work, we proposed an improved spatial self - embedding watermarking technique. we save the quantized dct coefficients using group encoding while not using bit matrix which restricts saving bit length of each dct coefficient

    本文的創新之處總結如下： （ 1 ）提出了一種改進的具有修復功能的空域自嵌入水印演算法，利用分組編碼保存量化后的dct系數，改善了修復效果，克服了以往使用位圖矩陣的不足，具有通用性與實用性。
  8. By using the method of error analysis of mbs, the identification equation of geometric error parameters is derived and according to the condition that the rank of coefficient matrix of error measurement equation group must be full, we can get 18 terms geometric error of 3 - axis nc machine tools and three displacement error and three position error

    應用誤差辨識軟體，解得各測量點的十八個誤差參數，即每個運動方向的三個位移誤差和三個位置誤差，再根據實際情況獲得三項垂直度誤差，得到了所有的21項誤差。
  9. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。
  10. According to the the regression analysis on the bloting and shotcreting roadways of henan pingmei group, the regression equation on the degree that absolute grade and area of roadway influence coefficient of frictional resistance is built in the paper. the notable character test of the regression equation is completed. at last, the degree that absolute grade and area of roadway influence coefficient of frictional resistance is discussed and summed up. the practical and guiding sense in choosing coefficient of frictional resistance of congeneric roadways is given in the paper

    通過對平煤集團大量的錨噴巷道的回歸分析，建立了巷道壁面絕對粗糙度和巷道斷面積對摩擦阻力系數影響程度的回歸方程，並對回歸方程作了顯著性檢驗，最後對巷道粗糙程度和斷面積對錨噴巷道摩擦阻力系數的影響程度進行了討論和總結，對同類巷道摩擦阻力系數的選取具有實踐指導意義。
  11. Using the method of principal component analysis, the principal component is extracted from twelve growth grade of foot hones, and the regression of the principal component is followed, then the regression of partitoning age group is conducted, finally table of the bone - age coefficient for determination of person ' s age is obtained

    摘要運用主成分分析法提取了十二種足骨發育等級的主分量，接著進行主分量回歸，然後再進行分年齡段回歸，可得用於年齡鑒定的骨齡系數表。
  12. General pkm has no analytic positive solutions, which mirrors in the analysis of kinematic and dynamic. jacobian matrix can not be gained ; when solving the problem with the digital algorithm of gauss - elimination, the coefficient matrix of linear equations group is high degree illness

    一般並聯機構沒有解析正解，反映在運動和動力學分析過程中為無法求得雅可比矩陣；當採用高斯消去法的數值解法解雅可比矩陣的方程組或求逆時會發現系數矩陣是高度病態的。
  13. At the same time, some different coefficients of pile group effect are adopted to calculate. compared with these results, the feasibility and conciseness of this reduced coefficient are testified

    同時本文還採用了不同的群樁效應系數對該群樁基礎進行了計算，並將這些計算結果進行對照分析，證明了本文給出的折減系數的可行性和簡便性。
  14. Because the pile group effect exists, the coefficients of earth pressure to the back piles reduce. p - y curve of pile group can be obtained by p - y curve of a single pile multiplied by a reduced coefficient

    由於群樁效應的存在，後排樁的樁前土反力系數減小，這樣群樁的抗力曲線（ p - y曲線）就可通過在單樁的p - y曲線的基礎上乘以一折減系數來獲得。
  15. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  16. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性，以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性，並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答，具體包括：基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定，採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程，得到了一個不考慮自重固結的完全解析解。
  17. According to the live coefficient c, we modified the predictions for this age group and come to a conclusion that is corresponding to actual field data. in other words, the numbers of - age and - age were nearly zero with their densities below 4 / hm2. these results suggest that l. lagurus population began to decline

    運用校正後的存活系數繼續預測，其結果與2001年9月的野外調查結果基本一致，證實當年草原兔尾鼠的數量非常少，低於4 . 0隻/公頃，且齡鼠和齡鼠幾乎為零。
  18. As for moving tc, its symmetry somely rusume after landfalling. the different distributing between expb2 and expb3 is much smaller than the other exps of the same group, so it is shown that if the roughness coefficient come to a certain number, the effect of roughness maybe not take the leading key in tc decreasing process any more

    對于移動熱帶氣旋登陸而言，登陸后對稱性有所恢復，當下墊面粗糙度達到一定值時，由於粗糙度引起的差異明顯減小，粗糙度在其減弱的過程中可能已不佔主導作用。
  19. Furthmore, on the higher coefficient level, the individuals in each group are sorted into subgroups. by the selected amplification results with one pair of primer, the wild germplsms were efficiency distinguished. the traditional classification of cavendish subgroup based on caudex height is not strict corresponded with gene type similarity

    在相似系數0 . 62的水平上將供試的60份蕉類植物分為四個群體，在相似系數0 . 64的水平上將栽培蕉劃為兩個類群，在相似系數0 . 83的水平上將香牙蕉類群劃分為五個亞群；用一對引物的aflp分析對25個野生蕉進行了劃分；認為傳統的將cavendish亞群分為五個類別的分類依據與基因型之間並無嚴格的對應關系。
  20. To overcome the shortcomings of the methods to subjectively or objectively determine the weight of indexes, the group eigenvalue method combining with the variation coefficient method was adopted

    為解決用主觀賦權法和客觀賦權法確定指標權重存在的問題， ?用群組決策特徵根法和變異系數法相結合的方法。
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