mixed distribution 中文意思是什麼

mixed distribution 解釋
混合分佈
  • mixed : adj 1 混成的,混合的。2 混雜的,各式各樣的。3 男女混合(成)的;各階層混合成的。4 〈英國〉男女同...
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑向基函數神經網路( rbfn )的雙隱層混合網路( mdhrbfn )模型,解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題;提出了基於模糊推理系統的自適應模糊rbfn分類( afrbfn )模型,兼顧通用性與精確性,增強人機交互能力,進一步提高了演算法分類率。
  3. Temperature distribution of pre - mixed steady plane flame and unsteady flame in a combustion bomb are measured on the bench

    利用該系統對穩定平面預混火焰和重復性好的非穩定火焰?定容燃燒彈內火焰溫度分佈進行了實驗測量研究。
  4. There is a north - north - east negative anomaly belt of aerial magnetism in the middle - east part of the basin, which could be displayed by the aerial magnetism of commutative field, upwardly continuation, lvt in earthquakes, the experimentation of granite liquation ( demagnetization ), the distribution of neozoic era volcanic rock, earthquake, hot spring and ground feature. the anomaly shows the blocking in east - west direction, and it is also associated with intense activity of deep heat interaction and the development of the crust - mantle mixed layer in the north qiangtang

    從區域航磁、向上延拓、地震低速層、花崗巖熔融(退磁)實驗、新生代火山巖的分佈、地震、溫泉、地貌等發現,盆地中東部存在一北北東向航磁負異常帶,既顯示出東西分塊,也與北羌塘深部熱力作用強烈活動、發育「殼幔混合層」有聯系。
  5. Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized

    ( 2 )提出了復雜地質構造數學模擬的神經網路方法與混合進化方法,並利用gis技術和可視化技術,深入研究了數字地質三維建模及其可視化方法,實現了地質三維任意剖切、信息空間查詢與管理等功能,從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系,以及快捷、交互地進行工程地質設計提供了新的途徑與手段。
  6. The global climatological monthly mean data of the mixed layer depth ( mld ) supplied by levitus ( 1994 ) in nodc based on three different criteria, are used to analyze the space distribution and seasonal variability of mld

    利用nodc提供的levitus ( 1994 )全球氣候月平均混合層深度資料,分析了三種不同混合層深度定義下的混合層深度的空間分佈特徵和季節變化規律。
  7. The genetic relationship between isolates of europe and china was closer than china and north america ' s. the inner genetic diversity of chinese phylogenesis lineages is higher, at the same time the territorial genetic differentiation and evolution direction divergence have taken place. the mixed lineage in heilongjiang province indicated that the isolates distribution pattern of a. gallica in heilongjiang province accorded with the characteristic that the distribution was formed by adaptive radiation of common ancestral forms

    在以黑龍江省高盧蜜環菌為主的中國大陸發育系內部的遺傳分化程度較大而且遺傳多樣性較高,並出現了區域性的遺傳分異和進化方向的分歧,同時還證明了黑龍江省內高盧蜜環菌的分佈格局也符合由共同的遠古祖先種適應性輻射形成的特點。
  8. The limited hydrothermal karst and mixed zone beneath the anticline axis controls the porosity distribution of ordovician system and it is anticipated that surroundings of the axis of fold formed by compressional reverse orverthrusting during indo - chinese epoch and the coordinated area of morphology of anticline in the screen of buried hill and that of top surface morphology is the best position for development of the reservoir

    局限的熱液巖溶和裸露的背斜軸部之下的混合帶對千米橋潛山奧陶系孔隙分佈具有重要控製作用,預期在印支期擠壓逆沖作用形成的背斜軸部,特別是潛山內幕背斜形態與潛山頂面形態相互協調的區域,應是儲層發育最好的部位。
  9. Recursive equations of compound distributions for bivariate mixed - type severity distribution

    二元混合型索賠分佈的復合模型的遞推方程
  10. Archiveretrieve, data migration, content distribution, and shared storage in mainframe - based, mixed environments

    盤鏡像、備份恢復、歸檔檢索、數據遷移、內容分佈、存儲系統共享等操作。
  11. Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession

    對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明,川灰木利用資源的能力最強、分佈廣,為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化,分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展,導致環境的改變不適于其幼齡個體的生長,群落演替到針闊葉混交林階段,最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力,是種群分佈與群落演替的內在原因,光因子和營養元素(如n )是群落演替的主要外部動力
  12. The multiscale mixed distribution models ( mmdm ) and the multiscale autoregressive ( mar ) models are investigated in this thesis, and they are applied to the unsupervised segmentation of the synthetic aperture radar ( sar ) image by joining them together - the multiscale mixed distribution models as the feature extractor and the multiscale autoregressive models as the classifier

    本文對多尺度混合分佈模型( multiscalemixturedistributionmodels簡記mmdm ) ,其中主要是對多尺度混合gauss分佈模型( multiscalemixturegaussianmodels簡記mmgm )和多尺度混合rayleigh分佈模型( multiscalemixturerayleighmodels簡記mmrm )進行了研究,及對多尺度自回歸( multiscaleautoregressive簡記mar )模型進行了研究,並將mmdm作為圖像分割的分類器, mar模型作為圖像分割的特徵提取器對合成孔徑雷達( syntheticapertureradar簡記sar )圖像無監督分割進行了研究。
  13. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效概率等概念,對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法,從而得到每個子總體的滿足極大似然原理的參數估計,給出了該混合總體平均壽命和可靠度的估計。
  14. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  15. Distribution of fine roots in a mixed cunninghamia lanceolata tsoongiodendron odorum plantation

    杉木觀光木混交林細根的分佈
  16. The vibrations of ru - terminal ligands q - mode and intra - bridged ligand 6a mode as well as their combination in the mixed valence taube ion are studied by using density functional theory method under the borh - oppenheimer approximation. it is found that these three vibrations all are harmonic vibrations. and q - vibration causes the charges on ru1 and ru2 atoms to be asymmetrical distribution. the charge transfer between ru and terminal nh

    在borh - oppenheimer近似下,應用量子化學的密度泛函理論方法研究了混合價taube離子中金屬與配體之間的振動q -振動模式橋配體內的振動6a振動模式以及這兩種振動的組合。發現這三種振動模式都可以看成簡諧振動。
  17. Application of the mixed communication mode in automation system of power distribution network

    油田低壓配電系統中保護電器與配電線路的級間配合技術
  18. Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow

    文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈,得到了不同的濃度分布圖形隨側向流與軸向流速比關系,揭示了內在有規律的獨特的濃度分佈結構
  19. This part mainly discusses the statistical distribution of the price and the returns rate, including random process and the returns rate model, gaussian process, measuring returns rate with discrete random process, white noise process, auto regression process, moving average process, auto regression moving average process, random walk, continuous random process, leptokurtic distribution, conditional mixed distribution, garch model and fractal distribution

    在這一部分中,我們主要討論價格和收益率的統計分佈:隨機過程和收益率模型、高斯過程、收益率計量中的離散隨機過程、白噪聲過程、自回歸過程、移動平均過程、自回歸移動平均過程、隨機行走、連續隨機過程、尖峰分佈、條件混合分佈、 garch模型以及分形分佈。
  20. Based on revenue management, this piper gives a auction coordination mechanism to solve the problems in which are capacity distribution of supply chain with mixed distribution channels under unknowing the real demand information of retails while the supply is less than the demand

    本文針對目前供應鏈混合銷售渠道中容量分配存在的一些問題,基於收益管理的思想,引入市場機制,提出了競拍協調方式,解決供應商在不知道零售商真實需求信息的情況下,市場需求大於供應商生產能力時的容量分配問題。
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