約化復形 的英文怎麼說

中文拼音 [yāohuàfùxíng]
約化復形 英文
reduced complex
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  1. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟，運用固體力學的基本理論，結合nitinb形狀記憶合金在約束下的回復規律，對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析，建立了強度的數學模型，通過編程計算，研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  2. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法，並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs （非均勻有理b樣條）曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。
  3. Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach

    保留語義約束的xml與rdb雙向靜態數據轉換技術現有研究大多採用dtd （ documenttypedefinition ，文檔類型定義）作為xml的模式描述語言，並且在模式映射過程中丟失語義約束信息，本文分析了xml - schema （ xml - schema採用與dtd完全不同的語法，數據描述能力更強同時也更為復雜，已被w3c確定為替代dtd作為xml模式描述語言的標準）及關系模式的語義約束特徵，通過基於正則樹的xml形式化描述方法以及基於有向圖的一般關系模式表示方法的研究，建立保留語義約束的xml - schema與關系模式的雙向模式映射演算法，實現了xml與rdb的雙向數據轉換，較好地解決了xml與rdb在靜態數據轉換層面的數據集成問題，可有效滿足企業大量rdb數據面向xml的發布以及與日俱增的xml數據存入rdb的應用需求。
  4. The theory hypothesis of " pore restriction " is first proposed in this paper. during polymerization, one end of linear molecule inserts the channels of zeolite to form hard end through chemical bond or supermolecule acting force, the other end forms soft end through condensing or polymerizing with other monomer molecule. on the basis of the theory hypothesis, a kind of novel pattern of organic - inorganic composite materials - pu / zeolite composite materials - has been designed

    本文首次提出了「孔約束」的理論假說，即在高分子材料聚合過程中，線型分子的一端通過化學鍵或超分子作用力插入分子篩的孔道中形成硬端，而另一端則與其它單體分子縮合或聚合形成高分子材料的軟端；在此假說的基礎上，設計了一類孔約束型有機?無機復合高分子材料的新模式，即聚氨酯/沸石分子篩復合材料。
  5. This paper discusses that two chinese ways of expressing passive meaning - the ideational passives without marked words and the passives with marked words exemplify the principle of quantitative iconicity, and the former express the conventional high - predicted information in simple forms, while the latter express the unconventional low - predicted information in complex forms

    摘要漢語被動含義的表達式無詞項標記的意念被動句和有詞項標記的常規被動句體現了數量象似原則，前者以簡單的形式表達了規約化的、預測性高的信息，後者以復雜的形式表達了非規約化的、預測性低的信息。
  6. How to ensure the project implement safely and effectively, esp in the complicated condition of geology, the terrain and its features, is the key to restrict the project finishing successfully ; in this paper, the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ), adopt the method of theoretical analyse, caculater and experiment, improve the controlling blasting skill and construction crafr of roadbed stonework, control the blasting harm effectively, accomplish the construction quickly and safely in normal conditions. the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting, and raises the combination of beforecrack demolition and buffer demolition, which is the main way to conctrol the side - slope stable and taking shape. putting to use the achievement produces great social benifet and economic benefitjt has widely practical future

    特別是在復雜的地質，地形及地物條件下，如何保證工程的安全快速有效實施成為制約工程順利完成的關鍵。本文的理論分析和實踐研究以國道309河北武安至涉縣段改建工程為依託，採用理論分析計算與現場試驗相結合的方法，研究並優化了路基石方控制爆破技術與施工工藝，有效控制了爆破危害，實現了保證現有公路正常運營條件下的快速安全施工，本文提出了在預裂爆破中適合於路基擴塹工程的有關參數。同時提出了預裂爆破與緩沖爆破相結合是控制邊坡穩定和成形的主要途徑。
  7. He clears up the philosophical basis of the methodology of subjective design through the discussion of the theory of human ' s ignorance and points out that in facing the infiniteness and the complicated situations of the world, since human beings cannot forecast the future tendency of all things, the only reliable way the subjects should adopt is to remain the utmost opportunity for the unknown things. to ensure the normal development of the society, the subjects should insist upon the evolution of routine culture, that is, the natural evolutional laws of restraining the human ' s behavior such as traditional convention, practice and customs

    他通過對人的「無知」觀理論論證來消解了主觀設計的方法論所依憑的哲學基礎，提出主體在面對「無限」 ，處理世界事項的復雜情形時，因為人不可能預知一切事項的未來情勢，因而唯一正確的可靠辦法就是為一切未知之事項保留可能的機會，要確保社會事項的正確前進，唯一可循的就是堅持「規則的文化進化」即那些制約著人的行為的規則? ?傳統的習慣、慣行、風俗等的自然衍進法則。
  8. 4 by studying mechanical optimization method, combining theory of metal cutting processing, summarize the optimization function by the cutting parameter as optimization aim and corresponding restraint condition. adopt one of optimization methods - compound shape method - to calculate cutting parameter ' s optimization result

    4運用機械最優化方法，結合金屬切削加工理論，推導了以切削參數為優四川大學碩i學位論文化目標的優化目標函數並確定了相應優化約束條件，採用優化方法中的復合形法實現了切削參數的最優化設計。
  9. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。
  10. Recently, more attention has been given to researches on mechanisms of the formation and evolution, and spatio - temporal variation of soil degradation under highly - intensified agriculture, and countermeasures for its control and rehabilitation of degraded soil

    目前，應當高度重視集約農業利用下土壤退化的形成與演變機理、時空分異規律、以及土壤退化的控制和退化土壤的恢復重建措施的研究。
  11. The chapter 1 of this text make brief introduction of medium and small sized enterprises developping condition in our country, combining to analysis financing predicament of medium and small sized enterprises, point expatiate the problem of medium and small sized enterprises in our country, main proceeds with two aspects of direct financing and indirect financing elucidation : the mortgage guarantee loan to medium and small sized enterprises procedure complicacy, limit numerous, financing institution business operating of mechanism system restrict the credit input to the medium and small sized enterprises ; the medium and small sized enterprises lack the channel and place to < wp = 7 > proceeding ownership of a share in direct financing, lack bond financing credit, did not become the diverse capital market and so forth of a series of problem

    本文第一章對我國中小企業發展狀況作了簡單介紹，並對我國中小企業融資困境進行了分析，重點闡述了我國中小企業融資中存在的問題，主要從間接融資和直接融資兩個方面進行說明：中小企業抵押擔保貸款程序復雜，限制繁多，金融機構商業化的經營機制制約了對中小企業的信貸投入；中小企業在直接融資中缺乏進行股權融資的渠道和場所，債券融資資信不足，未形成多樣化的資本市場等一系列問題。 < wp = 5 >本文第二章說明我國中小企業可以吸取國外的先進經驗，採取融資租賃的方式緩解中小企業融資難的問題。
  12. While with the super hige voltage power network gradually built and the structure of system becoming more complex, the calculation time of optimization increases when the number of buses that need reactive power compensation is relatively large. especially, when the positions of compensation are uncertain, selecting the position of compensation can reduce time when reactive power optimizing

    而且隨著超高壓電網的逐步形成，系統結構日趨復雜，需要安裝無功補償設備的母線比較多的時候，優化計算所需的時間將加長；尤其是在網路補償位置不確定的情況下，無功補償點的選擇就成為無功優化計算前節約時間的有效措施。
  13. Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web

    本著以上的研究目的，本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上，進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網，進行了一系列的材性試驗（單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量） ； 2 .研究了水平荷載往復作用（低周交變）下，普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響，並將這兩種材料的加固效果進行了對比； 3 .上述狀態下，兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較； 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。
  14. This paper formalizes analysis patterns with raise. after analyzing static structure diagram, present a definite specification by raise language and analysis patterns " formal specifications. the formalizing is a foundation of reusing analysis patterns efficiency and automated tools

    在對分析模式的靜態結構圖進行分析后，給出使用raise規約語言的描述定義，並對具體的分析模式進行形式化描述，為有效復用分析模式提供有力的保障基礎，為分析模式的自動工具支持提供基礎。
  15. The constraints and indexes were formalized, and the moip model was brought forward on the basis of the multi - objective optimization theory. this provides a method of modeling the cooperative ucavs mission assignment with many complex constraints

    以多目標優化理論為基礎，對約束條件與規劃指標進行了形式化描述，提出了多ucav協同任務分配moip模型，為一類具有復雜多約束的多ucav協同任務分配問題建模提供了有效方法。
  16. In the resin matrix composite materials filled with fsmf, the load is undertaken by the grain of fsmf and the resin matrix. the grain of fsmf restricts the deformation of the resin matrix, so the strength is improved. furthermore, the grain of fsmf can consume the energy of strain and controls the crack expand, so build up toughness

    在fsmf填充樹脂復合材料中，載荷是由fsmf顆粒和樹脂基體共同承擔的， fsmf顆粒以機械約束方式限制樹脂基體變形，從而產生強化； fsmf顆粒可以引發銀紋和剪切帶等損傷消耗應變能，並通過鈍化和釘扎機制阻礙裂紋的擴展，從而產生增韌。
  17. 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
  18. The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations

    土壤中有機物質和礦物質的結合?土壤有機無機復合體是土壤區別其母質的基本特徵之一，它對土壤團聚體的性質有很大的影響，而團聚體的數量和性狀有跟土壤肥力密切相關，本文以不同母巖發育的旱地紫色土作為研究材料，通過野外采樣和室內分析，研究了旱地紫色土的有機無機復合狀況、團聚體特徵和肥力水平，探討了在不同土地利用方式下它們之間的關系，以及影響有機無機復合、土壤中團聚體的數量、性質以及制約土壤養分狀況的因素，主要結果如下：不同類型的紫色土鐵鋁氧化物形態和活性具有很大差別。
  19. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參數變化特徵，特別是得到了一些暴時與以往不同的季節特性；第一次給出了海南地區的電離層等離子體漂移特徵，發現等離子體漂移暴時擾動在三個方向上有內在的聯系，得到了電場變化曲線；研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別；通過對強磁擾動事件期間的參數變化特性分析發現，在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區，高密度區底部電子密度梯度隨高度急劇增加，該區域的水平尺度可達100公里以上時間尺度約為2小時，連續出現過三次，這是一個在海南從來未發現的新現象；研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  20. Combining with the practice of development of modern enterprise group, the paper analyzes the forms of growth of modern enterprise group, concludes the common laws of enterprise growth by the model of enterprise modularity analysis. besides, this thesis studies the effects of the equilibrium of enterprise value chain structure to its growth, proves the mechanism of economic technology matrix of enterprise value chain deciding the growth speed of modern enterprise group, puts forward the approach of modern enterprise group realizing growth from the angel of complexity, points out the intension of the mainly present enterprise growth theories, such as scope economy theory, diversification theory and globalization operating theory

    論文結合現代企業集團成長實踐，分析了現代企業集團成長的實現形式，並運用企業價值鏈結構模塊化分析模型，總結了現代企業成長的一般規律，重點研究了現代企業集團集約化成長與企業價值鏈結構均衡性的內在關系，證明了企業價值鏈經濟技術矩陣水平對企業成長速度及效益的決定機理，提出了現代企業集團實現高速成長的路徑，從結構復雜性的角度進一步揭示了范圍經濟理論、多角化理論、國際化經營理論等當前主要企業成長理論的本質內涵。
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