方差分剖 的英文怎麼說
中文拼音 [fāngchāfēnpōu]
方差分剖
英文
partition of variance- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 分 : 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
- 剖 : [動]1. (破開) cut [rip] open 2. (分辨; 分析) analyse; examine; dissect
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They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Its biquadratic finite element approximation is considered and under the appropriately graded meshes, quasi - optimal order error estimates in the - weighted h ^ 1 - norm, up to a logarithmic factor in the singular perturbation parameter, are proved
然後,考慮此方程在分層網格剖分上的雙二次有限元逼近,在-加權h ^ 1 -模意義下得到了至多相差一個關于攝動參數對數因子的擬最優階收斂的誤差估計。The mathematical statistics method and extrema variance clustering method can be used to visible automatic classifying and reading of logging curves. the lithofacies classifying program basing on multi - mineral model analysis presents a new method to analyze logging - facies and more accuracy and visualized logging facies section can be reached by using this method. in addition, it supplies reliable lithologic layering reference for search and evaluation of oil / gas caprock and it also made up for the high cost of core - drilling and the inaccuration between lithic fragment description and depth
採用基於「數理統計-極值方差聚類法」的面向對象可視化操作方法可有效地解決測井曲線的可視化自動分層取值問題;而基於多礦物模型分析的巖相劃分程序又提供了一種新的測井相分析方法,能得到更為準確直觀的測井相剖面,為尋找和評價油氣蓋層提供了可靠的巖性分層依據,同時彌補了鉆井取心費用高和錄井巖屑描述與深度有誤差的缺陷。This paper illustrated the characters about root canal morphology of mandibular premolars, including the formation, configurations, racial difference, classification and methods for study
本文簡要介紹下頜前磨牙多種解剖結構的形成、形態特點、人種差異、分型和研究方法。Based on this milti - hierarchical model, application method for information organization of part is presented. chapter 3 proposes a new rule of arbitrary maximum angles of chord for triangulation and locale optimum, which avoides calculating angles of conventional methods in mesh simplification. moreover, with the introduction of arithmetical average windage concept, optimum method for the boundary mesh retriangulations is presented
第三章針對曲面網格簡化操作過程中出現的空洞剖分問題,討論層次模型的網格優化方法,提出了基於弦內角最大準則的局部網格簡化方法;針對網格曲面上存在的曲折邊界缺陷,提出以邊界輪廓算術平均偏差作為邊界曲折程度評定參數的邊界平滑優化剖分方法。Firstly, the author reviews the classical articles about early - warning models in the financial - failure field. on the basis of summarize and review these research, the author selected 18 listed companies which experienced financial failure and 18 corresponding listed companies which were in formal financial conditions as the comparative examples. after the section analysis and the single - variable discriminant analysis of the financial ratios " difference of the two groups for three years before the financial failure, the author picks out some ratios as the predication variable and establishes some multi - variable models to forecast financial failure
本文通過對國內外財務失敗預警模型研究領域經典文獻的回顧,在對已有研究成果進行總結和評價的基礎上,筆者選取了我國上市公司中18家財務失敗的公司和18家財務正常的公司為樣本,應用剖面分析和單變量判定分析法,研究了公司財務失敗出現前3年內各年這兩類公司20個財務指標的差異,並從中選定若干指標作為預測變量,應用多元統計方法構建預測財務失敗的多變量模型。Part one, analysing the origin and the characteristics of human resource of derivative private enterprises by means of studing the course of history of the reform of national enterprises. part two, appling various studing methods, findding the root course of national enterprise ' s inefficiency by means of comparing the difference of harm between china and west developed country and analysing the necessity of marketing of hrm in derivative private enterprises. part three, being aim at the problems of hrm in national enterprises and the demands of socialism market economy, this paper attempt to put foreword the objective mould of marketing of hrm in derivative private enterprises
全文共分四章:第一章,以國有企業改革的歷史進程為線索,分析了「衍生型」民營企業的由來及其人力資源特點;第二章,運用多種研究手法,通過比較我國與西方發達國家在人力資源管理方面的差異,剖析我國國有企業低效率的根本原因,分析人力資源管理市場化配置的客觀必然性,理論聯系實際地分析了「衍生型」民營企業人力資源管理市場化的必要性;第三章,針對我國國有企業人力資源管理方面存在的問題以及社會主義市場經濟的要求旗幟鮮明地提出了「衍生型」民營企業人力資源管理市場化的目標模式;第四章,用較大篇幅分析了「衍生型」民營企業人力資源管理市場化過程中存在的主要障礙並在此基礎上探討了跨越障礙的基本對策。In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface
本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手,剖析了剛體極限平衡方法的3點自身缺陷和6點不足,並在此基礎上採用了剛體極限平衡法(平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有限元法對比研究的方法,分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數) 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。The study on the development model of agricultural science and technology park : make a comprehensive survey of the agricultural science and technology park development, statistical data on the agricultural science and technology park in the year of 2002 was applied to do macro analysis, with the result of development problems and propose the settlement. this study is conducted based on typical case study and theoretical analysis from the aspects of growing background, overall effect, operating model and the driving force in four national agricultural science and technology parks : shandong vegetables demonstrating park, henan xuchang national park, gansu dingxi park and beijing shunyi three - hi agricultural pilot model area. then analyse and sum up the general laws and different points. the creative research of this paper lines in raising the new theory of sci - tech agricultural industry organization for the first time, build up the theory analysis framework for agricultural science and technology park ; according to the theory analysis framework, sum up the development general model from choosing the national agricultural park in typical region ; build up th
運用典型案例剖析與理論分析總結相結合的方法,分區域按照發展成效在全國范圍內選取山東壽光蔬菜高科技示範園、河南許昌農業科技園區、甘肅定西旱作生態型農業科技園區和北京順義三高農業示範區,從園區的成長背景、建設發展的總體成效、運作模式和園區發展的動力等幾個方面對農業科技園區的發展進行了深入研究,並對園區發展模式的共性規律和差異之處進行了分析歸納;本文創造性的研究在於:首次提出了科技農業產業組織理論,構建了農業科技園區理論分析框架;根據這一理論分析框架,通過選取典型區域的國家農業科技園區進行實證研究,總結歸納了園區發展模式共同特徵並進行了差異分析;首次提出了適用於不同評價對象和評價意圖的三套國家農業科技園區評價指標體系,並創造性運用多元統計分析方法和系統分析方法對國家農業科技園區進行綜合評價。The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered
建立了考慮濕積累過程的瞬態熱濕耦合模型,在方程中引入了濕積累項;發展了一種傳遞函數解析方法進行墻體內不同剖面處溫度和含濕量的動態預測;首次提出了一種基於有效有限差分法預測非線性邊界條件下多層多孔結構內的傳熱傳濕過程的數值分析方法,求解過程中考慮了瞬態邊界條件,從而避免了通常處理中由於邊界條件設定為常數而給計算帶來的誤差,對于多層結構每一層物性參數的非連續性,則採用了有效的有限差分逼近處理。Compared with the conventional finite - difference method on the fixed grid - size rectangular grids, the new method can be more cost - effective in complex models. numerical tests for both seismic modeling and reverse - time migration are performed on various theoretical models and a physical experiment
用該剖分方法得到的網格在各速度層內的空間步長是不同的,而全區域上的時間步長卻近於恆定,因此在復雜模型上,本文方法的計算效率要高於傳統的矩形網格差分方法。Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous
本文以土壤系統分類理論為指導,以四川盆地侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象,利用spss統計軟體相關功能,結合供試土壤的自然景觀、剖面形態和室內測定的理化性質,對土系分化的影響因子、土系劃分指標和檢索順序進行了系統的探討,結論如下: ( 1 ) 、供試紫色土中有機質、全氮、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關;有機質、碳酸鈣、有效磷、顆粒組成等性質在供試土壤方差分析中變異系數均較大;土體構型及土體的深度對土壤性質也有深刻影響。In this thesis, the calibration, laying and measuring error of the concentric capacitance fuel sensor are researched. and the major work is following : 1. taking the fuel entity of fully - filled airplane oil tank as studying object, the outhor calculates the central points of the section contours and the volume of the remnant fuel under the section height by means of numerical calculation
本文研究了同心電容式油量傳感器的標定、敷設和誤差分析的方法,主要工作如下: ( 1 )以飛機油箱滿載狀態下的油液實體為研究對象,用數值方法計算出實體模型各剖面的面積中心點和各剖面高度下的油液體積值。The resonant three - wave model and laminar - turbulent velocity profile composed are used as a model of coherent structures in. turbulent flow. the forming and variation of turbulent coherent structures in the channel are simulated by the compact differential method with high accuracy and resolution derived in this paper
以共振三波和層-湍復合速度剖面作為湍流相干結構模型,採用文中所導出的高精度、高解析度的緊致差分方法,模擬了槽道流動在近壁區域湍流相干結構的形成和變化。This paper uses arch model method in econometrics to set up an auto - regression model with different variance characteristic, which catches to the signal of herd behavior that can be comparatively sensitive. basing on the sample stocks of the index 180 of sse for studying sample, author conduct empirical tests on the non - linear relations between csad ( cross - sectional absolute deviation of returns ) and the market returns to judge whether the herd behavior in the stock market of china is remarkable. according to the empirical analysis, author finds, both in the up - market and down - market, certain herd behavior exist on the stock market of our country
本文運用計量經濟學中的arch模型方法,建立了一個能較為敏感的捕捉到羊群行為信號的具有異方差特性的自回歸模型,以上證180指數樣本股為研究樣本,通過檢驗個股截面收益的絕對偏差( csad )與市場組合收益的非線性關系,來判斷我國股市羊群行為是否顯著,通過實證分析,我們發現,無論是市場上漲階段還是下跌階段,我國股市都存在一定的羊群行為,同時,本文通過比較分析,對實證結果進行深入的剖析,對羊群行為的形成原因進行簡要的分析,並對如何控制羊群行為提出了一些政策性建議。Based on the analyzing of the dss ' s basic theory of tomography, an inversion scheme that can be described as the combination of the finite - difference inversion and ray inversion using traveltime, amplitude and gravity data is proposed
在分析深地震測深剖面層析成像基本理論的基礎上提出了利用走時、振幅和重力數據,通過有限差分反演和射線反演方法對地殼上地幔結構進行層析成像的研究思路。It shows that the resolution of the crust interface ' s shape on this four profiles is very good, nevertheless that of the velocity structure is relatively poor. the crust and upper mantle ' s fine configuration on the hq - 13 profile is obtained by our tomography, which reveals some important structure and dynamic features of this region : the velocity structure of the crust consists of three layers, the upper crust, the middle crust and the lower crust. however it also can be divided into six lateral blocks, each of them " s velocity is always higher or lower than that of its neighboring blocks
本文第五章利用有限差分反演和射線反演的方法獲得了符離集?奉賢地震測深剖面( hq - 13線)精細的地殼上地幔結構剖面,揭示出下揚子地區一些重要的結構和動力學特徵:地殼速度結構在縱向上大致可分上地殼、中地殼和下地殼三部分,橫向上可劃分為6個塊體,各塊體的p波速度沿測線方向呈現高速?低速?高速的組合。First with section analysis and single variable, this essay analyzes the difference of twenty - one financial indexes between st and no st stock companies in five years basic financial data. at last, three financial crisis prediction modes are set up with six financial indexes which are the most important financial indexes in linear probability model, fisher linear analysis model and logistic analysis model
首先應用剖面分析和單變量判定分析,研究財務危機出現前5年內各年這二類公司21個財務指標的差異;最後選定6個財務指標為預警指標,應用lpm多元線性回歸分析、 fisher線性判定分析和logistic回歸分析三種方法,分別建立三種預測財務危機的模型。In the paper, the main results are brought forth in five aspects as follows : ( 1 ). the analysis of statistics the characteristic indicated that the variation coefficient of the soil nitrogen density of 0 ~ 30cm depth is lower, the variation coefficient is only 3. 6 %, the variation coefficient of the nitrogen density of 0 ~ 100cm depth is much bigger than that the 0 ~ 30cm depth, it is 100 %. based on the second national soil general survey material, the average soil profile depth is 101cm, this is in corresponding with skew normal distribution, its standard deviation is 0. 0192
通過研究,得到以下認識與結果: ( 1 )統計特徵分析表明, 0 30cm厚度土壤氮密度的變異系數較低,為3 . 6 , 0 100cm厚度的氮密度的變異系數相對于來說就很大,為100 ;全國土壤剖面深度平均為101cm ,符合偏正態分佈,標準方差為0 . 0192 ; 0 30cm厚度土壤氮密度服從對數正態分佈,而0 100cm厚度土壤氮密度基本服從偏正態分佈。Fir digital filter is programmed with window function method in the filter module and the thread design method is used to process data, which improves the system real - time. in the end the paper gives the error analysis and points out the error source in the course of data processing
在濾波器模塊程序設計中,採用窗函數法,用軟體編寫了fir數字濾波程序,實現數字濾波功能,並把線程設計方法應用於數據處理,提高了系統實時性;在本文結尾給出了數字化數據處理誤差分析,剖析了誤差的來源。分享友人