簡並分佈 的英文怎麼說

中文拼音 [jiǎnbàngfēn]
簡並分佈 英文
degenerate distribution
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : 併名詞1. (山西太原的別稱) another name for taiyuan (in shanxi province)2. (姓氏) a surname
  • : 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
  • 簡並 : [物理學] degeneracy; degeneration; degenerate
  1. Abstract : in ureide - transporting legumes , ureides ( allantoin and allantoic acid ) are major transportform of biological fixed nitrogen. the distribution , properties , structure and regulation of plant allantoinase were reviewed in detail. the advances in the recent studies on allantoate amidohydrolase and ureidoglycolate amidohydrolase were introduced. and the works desired to be done were pointed out

    文摘:全面綜述植物酰脲降解代謝酶的研究現況,概述植物尿囊素酶的、性質、結構,以及調節控制,介植物尿囊酸酰胺水解酶和脲基乙醇酸酰胺水解酶的研究近況,同時指出待研究的方向。
  2. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積方程的積核里含有復雜的微積運算,為了化計算,本文在推廣的海倫積方程的基礎上,對方程進行了化,推導了nakano方程,以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  3. Two kinds of improved design project are proposed : retrofocus project and image telecentric project. original structures are solved through gauss optics and primary aberration principle, and the aberration is optimized and analyzed too. to form staring opto - electronic countermeasure device, distributing of optical unit array is simply analyzed in the end

    針對初始設計方案的不足,提出兩種改進的設計方案:反遠距方案和像方遠心方案,通過高斯光學和初級像差理論求解出光學系統初始結構,利用光學設計軟體進行像差析和優化,且對設計的光學系統組成凝視型光電對抗設備時光學單元陣列進行了析。
  4. Meanwhile, according to the reduced theoretic of the open - web truss, the strength simplification computational method are proposed, and in comparison of the theoretical calculating value with the tested one and the behavior analysis of the tested beams during the process, the hypothesis and the theory of the beam are verified and the stress distribution of the circular hole castellated beam is also obtained

    通過費氏空腹桁架化計算理論值與實測值的對比析以及對試驗梁在試驗過程中的性態析,驗證了理論計算及各項假設的正確性,析得出圓孔蜂窩梁圓孔周邊應力特徵;通過撓度析,提出了實用的化計算式。
  5. Here we developed the general arma ( p, q ) - garch ( r, s ) - m ( k ) models, which maybe become increasingly important for estimating volatility returns and exogenous shocks for finance data. after we present the posterior distribution of the model and the full conditional distributions of all the parameters of the model, we develop a hybrid metropolis - hastings algorithm for estimating the parameters of arma - garch - m models based on the works of bayesian chib and greenberg ( 1994 ) and nakatsuma ( 2000 ). here we simplified the estimations in ma and garch block

    作為該模型的推廣,我們在本文中提出了一個一般的arma ( p , q ) - garch ( r , s ) - m ( k )模型,在詳細給出模型的后驗以及模型的所有參數的滿條件的基礎上,結合chibandgreenberg ( 1994 )與nakatsuma ( 2000 )等人的工作,對此新模型設計了一個可行的混合metropolis - hastings演算法,化了ma塊與garch塊的估計。
  6. At the point of analyzing the coal transport market, transport means, and the main coal ports, the author specified the market competition which qinhuangdao port faced. based on the whole descriptions of coal transport demands and consumes, we introduced the model of goods distribution and made some analysis about some main coal ports. and through analyzing those aspects we got a whole evaluation of the qinhuangdao port and brought out some realizable measures to the future development, such as : applying the theory of market subdividing, keeping the market share and dealing the consignees " join and developing the straight transport, setting up the center of coal gathering and distributing and dealing, intensifying the management of company, improving the port synthetical ability, fasting the construction of port basic facilities and work the coal transport well

    作者以析煤炭運輸市場、運輸方式和主要的煤炭運輸港口為著眼點,具體析了秦皇島港所面臨的市場競爭形勢;通過對煤炭產地和消費地的描述,介紹了煤炭運輸需求和消費的總體概況;引入物資調運模型對主要港口之間的煤炭運量配進行了單的定量析;綜合以上析,對秦皇島港的現狀作出整體評價,提出了切實可行的未來發展對策,即:應用市場細理論;保住市場額,做好貨主銜接,發展直達運輸;建立煤炭集散交易中心;強化企業管理,提高港口綜合能力;加快港口基礎設施建設,搞好煤炭運輸生產經營等。
  7. 10 curbera f, goland y, klein j et al. rm business process execution language for web services. version 1. 0, standards proposal by bea systems, international business machines corporation, and microsoft corporation, 2002

    基於適于描述商業應用中組件的發本質特性的pi演算單模型, beap的使用了funnel , event , event - set和session等核心概念。
  8. 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

    本文對多尺度混合模型( multiscalemixturedistributionmodels記mmdm ) ,其中主要是對多尺度混合gauss模型( multiscalemixturegaussianmodels記mmgm )和多尺度混合rayleigh模型( multiscalemixturerayleighmodels記mmrm )進行了研究,及對多尺度自回歸( multiscaleautoregressive記mar )模型進行了研究,將mmdm作為圖像割的類器, mar模型作為圖像割的特徵提取器對合成孔徑雷達( syntheticapertureradar記sar )圖像無監督割進行了研究。
  9. Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate

    對于幾何平均亞式期權它的定價相對單,已經給出了定價公式。對于算術平均亞式期權,它的未定權益具有軌道依賴特性,一直沒有得到它的定價方程的解析解形式。本文基於對市場是無摩擦且在沒有交易費用的情況下,在b - s模型下,利用二叉樹模型給出了算術平均亞式期權定價方法;總結了利用jensen 』 s不等式給出的各種不同情況下的上下界;同時應用共單調性和近似函數的方法也給出了算術平均亞式期權價格的近似公式。
  10. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,給出了各區寬度的經驗公式.根據灘槽交互區垂線流速的變化特點,提出了附加尾流函數的對數流速公式.在化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向進行了理論析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向的解析解,與實測資料吻合較好
  11. A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures

    摘要採用一種單有效的方法,模擬了光束經圓形孔徑和不同齒形光闌的遠場衍射與經圓孔硬邊光闌的衍射作了比較。
  12. Finally, this paper suggests a step - by - step wdm, which is helpful for quick long - distance test preparation and constraint simplification and, provides an homological heuristic approach suitable for computerized solution. in addition, this paper provides an effective test paper quality analysis model based on relevant coefficient. the definition of relevant coefficient is introduced and the indications of relevant coefficient are analyzed from statistical point of view

    對wdm模型進一步改進,對模型的約束條件進行化,僅對題進行嚴格約束,把其餘的約束條件全部用題體現出來,提出了便於實現快速遠程組卷的化約束條件的步wdm模型,給出了適用於計算機求解的相應的啟發式演算法。
  13. Abstract : a improved method using simple instrument to expand gaussian distribution light field and get large - range homogeneous ideal light field was presented. an optical setup used to expand gaussian distribution light field was designed to improve the utilization ratio of light energy and satisfactory experimental results ware obtained

    文摘:提出採用單器件,將高斯光場經再擴展,獲得大范圍均勻的理想光場的方法;設計了對高斯光場再擴展光路,提高散射光場光能的利用率,取得良好的實驗效果。
  14. After alteration the structure became laconic, both training rate and correct recognition ratio were heightened. it became easier to extract rules from trained network basing on the characters of structure and knowledge distribution in the network

    改進后網路在結構上比較潔,訓練速度和正確識別率都有了明顯的提高,且根據網路結構和知識的特點更容易實現規則抽取。
  15. Based on fresh specimens collected in southern part of guangxi in 1998 - 2000, and those deposited in institute of zoology, chinese academy of sciences, we reported 81 species in 27 genera and 4 subfamilies of eulophidae. among them, 60 species and 4 genera are new to china. separate reviews of species in each subfamily reported by others before this paper are also given. a preliminary component analysis is conducted to survey the eulophid fauna of guangxi

    根據1998 2000年作者在廣西南部山區的採集,結合中國科學院動物研究所昆蟲標本館館藏標本的研究,報道了該科4亞科27屬81種在廣西的,其中, 4屬60種是中國新紀錄.本文對前人和作者最近對中國姬小蜂科的類研究單作了綜述,對廣西的姬小蜂科物種進行了初步的組析.根據現有材料得出結論是: 1 )廣西的姬小蜂科區系成以東洋區和古北區成為主; 2 )多個區系成相互重疊、交錯
  16. Based on the discussion of the definition of the employee performance, the authors have developed a vector model to analyze the performance of the employee in a vectorial and geometric form, which makes the conclusions of performance appraisal not the simple numerical value scores, and they can distribute in a vectorial space and combine with numerical values and directions

    摘要文章探討了員工績效的定義,在此基礎上開發出一個矢量析模型,對員工績效進行矢量和圖形處理,使績效結論不再是單的數值得,而是兼有數值和方向的、在矢量空間內的矢量點。
  17. After a series of reactions, an ester which is a derivative of ferrocene is obtained, then using the ester react with 1, 8 - naphthalenediamme, o - m -, p - phenyleiiediamine, ethylenediamine and 4. 4 ' - - biphenyldiamine respectively, polymer ( i ) ( ii ) ( iii ) ( iv ) ( v ) and polymer ( vi ) are obtained at the final part, we have discussed in brief the general properties of polymer ( i ) - { vi ) and analyzed systematically hnmr ir spectrum tg - dt diagram and molecular weight distribution of these polymers

    要討論了聚合物( i )一( vi )的一般性質,對聚合物的核磁共振譜、紅外光譜、 t (卜刃t圖以及子量進行了系統研究。本文對聚合物( i ) 、 ( 111 )和(硯)的核磁共振譜和紅外光譜進行了析,研究結果表明:聚合物中的援基上的氧原子能與芳胺上的氫原子形成子內氫鍵,使聚合物的子內出現了一個平面六元環結構,山于子內氫鍵的存在
  18. The paper described the problem of simplified calculation of static magnetic field in the thin gap among superconductor blocks, and applied the conclusion to the designing of a actual sc flywheel system, in which that the calculating results approved be right and effective

    摘要本文析了超導體間靜磁場化計算問題,將推導的結論應用於超導飛輪設計中,數值計算結果證明析方法是正確的,應用是有效的。
  19. A concept named modified or generalized simply supported edges is therefore introduced, i. e., superimposing altogether the solutions to the rectangular plate with four simply supported edges on which the uniformly distributed load locally acts, to the rectangular plate with four simply supported edges of which one of them is under the action of distributed bending moment and to the rectangular plate with various generalized simple supported edges and then taking the continuity condition of boundary, so as to let the result of superimposition satisfies all boundary conditions, an analytic solution is given to the rectangular overhanging plates on which any kinds of loads are acting

    使用了變相的或廣義支邊的概念,將四周支局部作用載荷矩形板的解、四周支一邊作用彎矩矩形板的解及各種具有廣義支邊的矩形板的解進行疊加,應用邊界連續性條件,令這樣的解滿足所有邊界條件,得到了任意載荷作用下矩形外伸板的解析解。
  20. The integrands in the dispersion equation are not integrable in general, so we used the asymptotic expansion solution to analyze the behavior of the dispersion relation at the singularity and mapped the dispersion relation curves approximately the system composed of collisionless particles which obey maxwellian distribution or all kinds of degenerate distribution, even in their mixture system, their dispersion relation are analogous

    一般來說,色散方程中的被積函數都是難以求積的,本文是用函數逼近法析色散方程在奇點處的行為,大致劃出色散關系曲線。由無碰撞粒子組成的系統,不管初始是maxwell還是各種簡並分佈,甚至是這些的混合體,色散關系都是相似的。
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