等角動量定律 的英文怎麼說

中文拼音 [děngjiǎodòngliángdìng]
等角動量定律 英文
law of constant angular momentum
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
  1. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱的構造機理及結構功能進行了化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規; (二)通過單柱承載力試驗,測了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模、極限承載力、極限變形; (三)通過柱架低周反復荷載試驗,測了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張剛度及其變化規、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規; (五)通過抬梁式殿堂間架模型振臺試驗,測了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數進行了分析。
  2. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩性分析度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態三種不同狀態以及4個水平剖線和4個垂直剖線不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規: ( 1 )在各種不同狀態下計算斷面的主應力矢圖、位移分布圖( ux 、 uy )以及應力值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) ); ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  3. Under the supervisor ' s instruction, the author, setting out from the angles of e - business status quo in china and the development of international lawmaking of electronic signature, makes a comprehensive research and discusses in depth on legal effect of electronic signature, evidential function of electronic signature, authentication system and the legislation of electronic signature, etc. and draws the following conclusions :. it is necessary to emend the related laws of signing in effect, or to stipulate a new law to establish the legal status and legal effect of electronic signature, to regulate and standardize the usage of electronic signature, so as to promote the e - business in china

    作者從我國電子商務的發展現狀及電子簽名國際立法態的度出發,在閱讀大相關文獻、資料、專論的基礎上,積極借鑒國際先進立法實踐及經驗,在導師的指導下,對電子簽名的法效力、證據力、認證制度及電子簽名立法問題進行了廣泛且有一深度的探討,並得出如下結論:一、有必要對我國現行的相關簽名法進行修訂,或另行制新法,確立電子簽名的法地位和效力,調整和規范電子簽名的使用,以促進我國電子商務的發展。
  4. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規,研究了模對變形和金屬流的影響及變形力的變化過程和其影響因素。
  5. The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet

    論文對-磁鐵的有關物理問題進行了較為詳細的論述,從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈,對單個粒子在-磁鐵中的運進行了分析,利用數值求解方法研究了帶電粒子在理想四極磁場中的運,提出了歸一化運方程和理想軌道物理概念,給出了消色散的入射、軌道長度和x方向最大距離的解析表達式。
  6. The paper focuses on the processing technique of wood flour - recycle polystyrene composite, and assesses the effects of wood flour contents, coupling agent contents and the rotate speeds of extruder on water uptake, tension strength, bending strength and dynamic mechanical properties. the results can be shown as follows : with the increasing of wood flour, composites gain higher water uptake but lower dynamic mechanical properties, the storage moduli ( e " ) and glass transition temperature ( tg ) decrease

    較系統地研究了木粉含、偶聯劑添加和雙螺桿擠出機的螺桿轉速主要擠出工藝參數對復合材料的吸水性能、拉伸強度、彎曲強度、態機械性質(存儲模e和損耗正切tan )的影響規,初步確了適宜工藝條件,主要結論是: 1 )木粉含的增加使得復合材料的吸水性能增加,態機械性質下降。
  7. On the basis of the relevant theories concerning regional economic geography, regional economics, western economics, international trade and international investment, the author cited the concept of potential energy in physics and put forward the theory of regional potential energy, in order to find the law of motion of international direct investment from a new angle. by using a method of quantification combining with qualitative analysis, the author went into the research on the internal relations between regional potential energy, international direct investment and regional economic development as well as how to realize the spanning development by utilizing international direct investment effectively with the guidance of the theory of regional potential energy

    本文在深入學習和研究區域經濟地理學、區域經濟學、西方經濟學、國際貿易學以及國際投資學相關學科的理論基礎上,藉助物理學中的勢能概念,提出區域勢能理論,旨在從一個全新的度探索國際直接投資的運,並採用性相結合的方法,深入探討區域勢能、國際直接投資與區域經濟發展的內在聯系和相關規,以及如何在區域勢能理論的指導下,通過有效利用國際直接投資實現區域經濟的跨越式發展。
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