退化結點 的英文怎麼說

中文拼音 [tuìhuàjiēdiǎn]
退化結點 英文
degenerate node
  • 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  1. 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。
  2. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  3. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  4. Based on measurement of strains of both horizontal stirrups in the joint core and longitudinal reinforcement passing througth the joint, in different stages, transfer mechanism and factors affacting seismic behavior of the joint, were analysed. under different shear compression ration, effect of axial force ratio on seismic behawior of the joint was also evaluated, static shear and seismic shear of the joint based on capacity design were investigated. on this basis, new governing criteria and conditions of seismic behavior of the joint were put forward

    通過對節點區水平箍筋以及貫穿節點梁、柱縱筋在不同受力階段應變的精細量測，對節點的傳力機理以及影響抗震性能的因素進行了分析研究；對不同剪壓比條件下軸壓比對節點抗震性能的影響規律進行了分析研究；對不同受力階段梁筋的粘結退化規律以及節點區的剪切變形進行了分析研究；對節點的靜力抗剪與建立在能力設計思路上的抗震抗剪問題進行了深入研究，提出了建立在新思路基礎上的節點抗震性能控制準則和控制條件。
  5. Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures

    本論文依託巫溪縣水土保持生態修復項目，運用模糊層次分析方法，進行退化生態系統的景觀健康評價體系設計與健康等級分析；通過對比研究巫溪縣與另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析，揭示巫溪縣土地利用格局上的退化特徵；提出與水土保持治理相結合起來的生態恢復模式；引用土壤肥力質量指數，對生態修復區不同生態恢復演替階段群落及不同時期坡改梯、休耕地與封山育林三項生態修復措施的土壤肥力質量分析與對比。
  6. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜，考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系，並利用一組對偶基給出了有限域上邏輯函數的反演公式；給出了有限域上隨機變量聯合分佈的分解式，並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究；給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系，探討了它們之間密碼性質的聯系，如平衡性，相關免疫性，擴散性，線性結構以及非線性度等；討論了有限域上邏輯函數各類線性結構之間的關系，並給出了任意點都是線性結構的邏輯函數的全部構造，由此引出了有限域上的「泛仿射函數」的概念；考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系；給出了有限域邏輯函數非線性度的定義，利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系，考察了有限域上邏輯函數的非線性度與線性結構的關系；利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系，揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系，以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  7. Therefore, more challenges have arisen for query optimization in database grid than traditional distributed database. following this observation, the design of a query optimizer in dartgrid ii is presented, and a heuristic, dynamic and parallel query optimization approach to processing query in database grid is proposed. a set of semantic tools supporting relational database integration and semantic - based information browsing has also been implemented to realize the above vision

    克服數據庫網格特性所帶來的困難需要為數據庫網格提供全局一致的數據表達模式各結點數據模式到全局模式之間的映射方法各結點之間負載平衡和結點動態加入和退出系統的控制策略數據庫網格查詢優化器結構設計以及一整套適合數據庫網格的查詢優化演算法。
  8. 2. a relevant formula of eight - node adhesive finite element is deduced in the paper, which is based on a separately interpolation scheme for reissner - mindlin plate element. a load capability analysis method for patched composite laminated structure is established by using tsai - hill failure criterion and thai ' s reduced stiffness scheme, and corresponding computer code is also developed

    在任意四邊形四節點復合材料層合板殼單元的基礎上，推導了相應的八節點膠單元，並採用蔡-希爾強度理論以及蔡氏剛度退化準則，對復合材料層合板膠接補強結構進行剛度分析和極限承載能力分析，編制了相應的有限元分析程序。
  9. The 16 - node degenerated iso - parametric element is proposed for the analysis of raft foundation with mid - thick plate. the stiffness matrix of single pile among the pile group can be founded assuming the total contact between the plate and the foundation. and the results of stress and deformation of plate, the force on pile and the settlement of pile bottom can be solved after the finite element disperse for the plate and the establishment of balance equation of pile - raft interaction

    在引入16節點退化等參元的中厚板筏板分析模型的基礎了，假定筏板與地基間完全接觸，建立了群樁中單樁樁身剛度矩陣，繼而對筏板進行有限元離散得到樁筏共同作用的平衡方程，從而求解筏板內力、撓度、樁頂反力、樁端沉降等一系列結果。
  10. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答
  11. In addition, the pith of root and stem is flourishing for prosperous growth period and declining period, the vascular tissue storing the nutrient and providing the nourishment for the biennial plant in next year from abnormal secondary growth is developing in pith, unusual structure eg. epidermis and vice - epidermis, bubble form cell, short pipe numerators and wreath grid types leaf etc. in each organ of pugionium comutum ( l. ) gaertn. had been formed to adapt to dry environment, so the characteristics on appearance and anatomies in pugionium cornutum ( l ) gaertn. has closely of relation with its anti - drought and its adapting to desert environment

    此外，葉片旺盛生長期、衰退期根莖具發達的髓，髓內有異常次生生長形成的維管組織，貯藏養分，為沙芥次年形成二年生植株提供營養，沙芥各器官在解剖結構方面都形成了特化結構如具表皮及副表皮、泡狀細胞、短的導管分子及環柵型葉等以適應乾旱的環境，因此沙芥各器官的形態及解剖特點與其抗旱、適應沙漠環境有密切的關系。
  12. This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )

    奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題，特別對非線性系統的轉向點問題，已有的結果甚少，文章研究一類具有轉向點的擬線性系統的角層現象，在適當的假設條件下，利用微分不等式方法證明了當其退化解在（ 0 ， 1 ）內某些點上一階導數不連續時解的存在性，並得到了解的按分量的一致有效的漸近估計。
  13. ( 2 ) based on deterioration model of owerage bond stress of beam reinforcement accounting for effect of axial compression ration and number of displacement loops, and stress - strain relationship of the concrete in the joint core accounting for effects of both softening and confinement, the modified compression field theory was employed to simulate behavior of the joint core under loading reversals. analysis by means of the program jap on the tested specimens in this paper and those obtained from other researchers produced consistent results

    根據本文建立的考慮軸壓比和位移循環次數影響的梁筋平均粘結應力退化模型和考慮軟化效應、約束效應的核心區混凝土應力應變關系，通過在試驗中得出的節點核心區混凝土、箍筋、節點正面、背面柱筋在反復荷載下的受力特點，利用斜壓場理論模擬節點核心區在反復受力過程中的受力狀態。
  14. This thesis introduces and analyses in detail the research and application of regularization in image restoration, the main contributions and creativities are listed as follows : firstly, on the basis of the regularization technique for dealing with ill - posed problems, starting from the mathematical theories about regularization, analyzing the degraded model and the ill - posed character of image restoration, this paper mainly discusses the regularized parameter and regularized item, and the solution approaches and fast algorithms are also summarized, therefore perfects the essential theories about regularization in image restoration

    本文針對圖像復原中正則化方法的研究及應用進行了廣泛深入的探討與分析，主要工作和創新點如下:第一，在正則化技術解決病態問題的基礎上，從正則化方法數學理論入手，分析了圖像的退化模型和圖像復原的病態特徵，重點討論了正則化參數和正則項的選取，並總結了其求解演算法及快速實現方法，完善了正則化方法圖像復原的基本理論。
  15. Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences ， wmcn are ootll shear wsll sttllctlllt ， are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ！ s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty ， tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l

    首先研究在低周反復水平加載試驗下試驗對象的強度、變形和能量的特性：開裂荷載、屈服荷載、破壞荷載；各試件的滯回曲線和骨架曲線；延性情況；初始剛度和剛度退化等參數：進而用satwe有限元程序分析對比了某一小高層剪力墻結構在採用空心剪力墻板和採用普通實心剪力墻作為墻體的結構受力異同點，在質量、主振型、剛度、水平地震效應等方面做了對比。
  16. Based upon established analytical model, the finite element models of laminated shell pasted with piezoelectric units, are formulated, which employ a novel eight - node degenerated shell element - a - piezo element, then the model are converted into form of state space and transfer function

    在解析模型的基礎上，運用有限元方法，構造了一種新型的八節點退化殼元? ? piezo單元，推導建立了表面粘貼有壓電材料的層合殼結構的有限元動力學模型，並將其轉換成狀態空間和傳遞函數形式。
  17. Behavior of the confinement mechamsm is also different. before obvious bond deterioration of the beam rebars passing through the joint core occurs, the shear is mainly transfered by the truss mechansim. when the bond deterioration occurs comprehensively, the shear transfered by the truss mechamism is reduced significantly, the majority of the shear is transfered by the diagonal strut

    當貫穿節點的梁筋未出現明顯的粘結退化之前，節點作用剪力主要通過街架機構傳遞，斜壓桿機構傳遞的剪力和約束機構發揮的作用較小；當梁筋全面出現粘結退化以後，行架機構傳遞的剪力明顯降低，作用剪力主要由斜壓桿機構傳遞。
  18. Second, the hot carrier induced degradation in sde structures is deeply analyzed. the experiments results have shown that the degradation of sde structures shows different characteristics. the degradation nature is studied and an explanation is given

    論文的重點是研究sdemos器件的熱載流子可靠性，研究發現sdemos器件的退化特性與常規器件不同，通過實驗與模擬相結合的方法，指出sdemos器件退化呈現出不同特點的內在原因，並給出了sdemos器件退化特性的物理解釋。
  19. The second chapter defines the concept of basic point 、 polar point 、 best polar point 、 stable polar point 、 degenerate polar point and non - degenerate polar point. it also points out that this algorithm theory is discussed under the degenerate complexion that is : ， ， then call is non - degenerate polar point. it also discussed the solution of the best polar point and put forward this quick algorithm theory and prove its convergence under all polar points are non - degenerate polar points

    第二章定義了基點、極點、最優極點、穩定極點、退化極點和非退化極點等概念，最後指明本演算法理論討論的基礎是基於非退化情況，即： ，其維數，則稱為非退化極點，本文就是要在模型中所有極點都是非退化極點的情況下討論最優極點的求解，並提出和證明了本文快速演算法理論和收斂性，同時得到一個有意義的結論：穩定極點就是最小一乘估計。
  20. The experimental results show that the seismic behavior of strengthened joints is improved significantly by the scheme, which successfully enhances the shear capacity by about 22 %, transforms the failure mode to be ductile, raises the ductility coefficient over 4, delays the strength degradation and stiffness degradation, and upgrades the energy dissipation capacity

    試驗結果表明：加固能夠有效地提高節點的極限受剪承載力22 %左右，改變節點的破壞模式為梁端延性破壞，提高節點的延性系數到4以上，改善節點的承載力退化和剛度退化，提高節點的能量耗散能力，從而顯著改善了樑柱節點的抗震性能。
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