等角曲線系 的英文怎麼說

中文拼音 [děngjiǎoxiàn]
等角曲線系 英文
isogonal trajectory
  • : 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...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  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量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定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量、極限承載力、極限變形參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回、榫卯張剛度及其變化規律、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,測定了古建築木構件與木構件間摩擦數,斗?抗側移剛度,斗?恢復力特性及滯回,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定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量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數進行了定量分析。
  2. First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost

    從對統貢獻度,採用電壓靈敏度方法( vs法) 、 pv法、效無功補償法( erc ) 、無功備用方法來確定一個七節點統中的發電機的無功價值和ieee14節點統的發電機的無功價值,電壓靈敏度法和pv法可比較出不同電源跟蹤負荷變化的靈敏度大小,而效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。
  3. In the theoretical description of grazing emission fluorescence, the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals, and the theoretic calculation formula of fluorescence intensity from a thin layer is derived. by the derived expressions, the theoretic simulation curves of several thin layers on si substrate are calculated. in the experimental setup, the requirement of construction of the setup and some important parameters are brought forward

    最後,利用平穩位相方法建立了掠出射情況下薄層樣品產生的熒光強度和掠出射的對應關數學模型,推導了薄層樣品熒光強度理論計算公式,並以此為依據模擬計算得出了cr 、 fe 、 ti和ni幾種以si作基底的單層薄膜樣品的熒光強度隨掠出射變化的理論
  4. Based on geometry alignment data and speed difference, by stat. formula are established about the relation between downgrade, curve radius and deflection and speed change. then method to establish speed characteristic curve is present

    依據樣本路段的幾何形數據和速度變化特徵,利用統計手段得出了縱坡坡度、平半徑和偏形指標與速度變化之間的關公式,根據這些公式,給出了一定形組合求解速度特徵的方法。
  5. The main work includes : for the torsional vibrations of a rigid disk on saturated media, first, the dynamic governing equations are solved by the use of hankel transform and the general solutions in the hankel transform fields are formulated. then, considering the mixed boundary - value condition, the dual integral equations of the torsional vibrations of a rigid disk on saturated grounds are obtained, which can be reduced to the fredholm integral equations of the second kind and solved by numerical procedures. consequently, the dynamic compliance coefficient curves and the torsional angle amplitude curves versus the dimensionless frequency are presented and contrasted to that of the elastic one

    在前人研究的基礎上,本文基於陳龍珠曾提出的一組實用飽和土波動方程,用解析或半解析的方法首次較統而深入地研究了飽和半空間地基與基礎的扭轉振動問題,主要工作有:對于飽和地基上剛性圓板的扭轉振動,作者首先採用hankel變換求解了動力控制方程,得到了該控制方程在hankel變換域內的通解,然後由混合邊值條件建立了飽和地基上剛性基礎扭轉振動時的對偶積分方程,並將其化為易於數值求解的第二類fredholm積分方程,用數值方法計算了基礎的動柔度和扭轉幅值與振動頻率的關,並將其與單相彈性介質情況進行了對比分析。
  6. In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training

    本文首次將人工神經網路統方法引入了船撞橋概率的研究當中,編制了計算程序,成功地以現有12座典型橋梁的基礎數據為樣本,以橋梁跨徑、水流流速、水流方向與橋軸法的夾以及橋區航道彎4個船撞橋主要影響因素為輸入參數,以船撞橋概率為輸出參數,經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷統。
  7. A common recognized method for the shaft alignment, is to set up a physical model, and appropriately locate each bearing in compliance with the required bearing load, stress and shear force and slop etc, so as to fix the shaft with the curve line as required and obtain a right distribution of bearing load

    對于軸校中計算,國內外比較通用的方法是對軸相關的要素進行處理,建立物理模型,按照規定的軸承負荷、應力,轉限制條件,確定各軸承的合理位置,將軸安裝成規定的狀態,以達到使各個軸承上的負荷合理分配。
  8. In the macroscopical field : ( 1 ) the relationship between the moisture and the speed of average collapse was attained, that is, the speed of average collapse will increase with increasing of the moisture at first, but it will decrease when the value get to certain max with increasing of the moisture ; ( 2 ) the model of relationship between the pressure and the speed of average collapse was established on the basis of experiment. the conclusion of that the speed of average collapse bouncing increase with increasing of the pressure was attained and the relationship between stress and distortion was established ; ( 3 ) the method of synthetical evaluation for collapsibility loess under the effect of time, pressure and moisture was offered

    在宏觀度上: ( 1 )以遼寧阜新地區黃土試樣的固結試驗數據為分析對象,得到了黃土濕陷速率與含水量的關呈單峰狀態的結論,即黃土濕陷速率在土體浸水初期會隨著含水量的增加而增大,但當含水量超過某一數值趨于飽和含水量時,黃土濕陷速率卻隨著含水量的增加而減小; ( 2 )立了黃土濕陷速率與壓力之間關的數學模型,得出了黃土濕陷速率隨壓力的增大而呈階越增長的結論以及阜新地區濕陷性黃土的本構關; ( 3 )提供了在時間、含水量及壓力因素共同作用下,對黃土濕陷性進行綜合評價的方法。
  9. It is composed of magnetic pulse sensor and control components, and is a built - in part inside distributor. it detects engine cranking position signal and cylinder signal via sensor, followed by treatment by control unit, thus controlling the on off of the current of control ignition coil to achieve the purpose of ignition. it has a function of auto closing regulation

    該型產品是為微車無觸點點火統而研發的,它由磁脈沖傳感器和控制組件構成,內置於分電器內,通過傳感器檢測發動機軸位置信號汽缸信號,然後經控制組件處理,控制點火圈中電流的通斷,從而達到點火目的,具有閉合自動調整功能。
  10. It is composed of magnetic pulse sensor and control components, and is a built - in part inside distributor. it detects engine cranking position signal and cylinder signal via sensor, followed by treatment by control unit, thus controlling the onoff of the current of control ignition coil to achieve the purpose of ignition. it has a function of auto closing regulation

    該型產品是為微車無觸點點火統而研發的,它由磁脈沖傳感器和控制組件構成,內置於分電器內,通過傳感器檢測發動機軸位置信號、汽缸信號,然後經控制組件處理,控制點火圈中電流的通斷,從而達到點火目的,具有閉合自動調整功能。
  11. By means of curvature estimation of vertices, arc identification and arc grouping, a set of profile curves are computed to describe a rounding feature. meanwhile, a rounding mesh is extracted from the mesh model. ( 2 ) approaches of feature - based local modification on shell meshes are studied

    提出了一種半徑及變半徑圓過渡特徵的提取演算法,採用二次面擬合估算出網格頂點的主率,根據網格過渡區域的率特性,計算出一列截面輪廓來描述圓過渡特徵,同時將過渡區域數據從模型中分離。
  12. Having great difference with the tradition structure, its outline is no - gradual - enlargement. the reason of rotator the key point coordinate and restriction, origin of the new coordinate system after transform, the angle of the rotator. transform of the key point between the new and old coordinate system, the rotator angle of coordinate system in ansys during the fem model come into being

    本文討論了非漸擴形結構指尖密封梁關鍵點坐標旋轉的原因、旋轉的約束條件,旋轉后新坐標圓心坐標的獲得、旋轉度大小的確定、梁型關鍵點坐標在新舊坐標之間的轉換及在ansys中建立有限元模型時坐標旋轉的原因及度大小的確定問題。
  13. Based on the synthetic research of field outcrops, drilling section, well log and office compilation, combined with analyses of geological background, lithological association, sedimentary structure and palaeobiological character, the researched area in the chang6 - 8 oil - beds of triassic yanchang formation can be divided into deltas, braided deltas, fan deltas and lakes etc. four kinds of sedimentary facies

    在野外露頭、鉆井剖面及測井的綜合研究和室內編圖基礎上,綜合地質背景、巖性組合、沉積構造及古生物特徵,研究區三疊延長組長6 ? 8油層組被劃分為三洲、辮狀河三洲、扇三洲及湖泊4種沉積相類型。
  14. For cutting the composite lock gear with unequal tooth thickness, a study is made on the design method of gear sharper cutter with nonstandard parameter involute tooth profile and noninvolute tooth profile. the cutter tooth arrangement, the choice of teeth number of the cutter and the basic method of cutter design are discussed ; and a new method of choosing deflection factor by using limited area is presented. and the curve of relationship between rear angle on tooth crest and helical angle on tooth side of the cutter is given so as to give a basis for the gear sharper cutter to choose its parameters. to design nonstandard gear sharper cutter by adopting the method mentioned above will simplify the calculation and will increase the efficiency of design

    研究加工不齒厚的非標準參數漸開齒形,與非漸開齒形復合的鎖閉齒輪插齒刀刀齒的排列、刀具齒數的選擇以及刀具設計的基本方法,介紹用限制區域選擇插齒刀變位數的新方法,並給出刀具齒頂后與側螺旋的關,為插齒刀參數的選擇提供依據.結果表明,採用上述方法設計非標準復合齒輪插齒刀,可簡化計算和提高設計效率
  15. Based on the theory analysis, computer simulations and experiment researches, the problem according to any angular vibration curve of crankshaft to diagnose the power of each cylinder of i. c. engine, are completely solved and the concerned equipment is developed in this paper

    作者通過大量理論分析、模擬計算和實驗研究,首次全面統地解決了根據內燃機軸某一測點的振動診斷內燃機各缸作功狀況的診斷方法和相關診斷測試設備研製問題。
  16. In this paper, the buckling behavior of cold - formed angle members is studied by non - linear finite element method. the influence of the width - thickness ratio of the single cold - formed angle column under axial load is analysed. the criteria of flexural buckling and torsional - flexural buckling for cold - formed egual - leg under axial loads is presented. according the calculating results of the ansys finite element method, the stability - coefficient formulas are simulated for the cold - formed loading single angle members of flexural buckling and torsional - flexural buckling

    本文運用非性有限元法對冷成型單鋼的穩定性能進行了研究,分析了寬厚比對冷成型單鋼軸壓桿穩定性能的影響,給出了邊冷彎鋼發生彎和彎扭屈的判斷條件,根據ansys有限元的計算結果擬合出了冷成型單鋼軸壓桿在發生彎以及在發生彎扭屈時的穩定數公式,在此基礎上得出了冷成型單鋼軸壓桿在所有長細比情況下的穩定數公式。
  17. Hui from the acae department. while currently most computer games often resort to equip characters with heavy amour or tight clothes to simplify the characters movements, the new technique allows designers to dress characters in long gowns or robes using a model that resembles the wavy movements of the real cloth. curvair also provides a series of characters, models of chinese buildings, and a facial expression editor for easy construction of computer games in chinese style

    弧飛統在色塑造時採用了中大自動化與計算機輔助工程學許健泉教授研發的技術雙軸心表示法( curve - pair based axial representation )來模擬衣服布幔的移動,色無需再以硬繃繃的盔甲示人,除可輕易創造出如小女一般有飄逸衣服效果的色,弧飛包含了一列工具有助游戲設計員快捷地打造出華麗的中國式宮廷建築、古代英雄及其表情
  18. Based on the general conception of holography, the author analyzes the tourism region with a holographic view of human - nature relationship, and considers, in the core, the origination, development, transformation of tourism region system is a course in which the resources system is transformed to the economic system , to the cultural system, which demonstrates by the structure of tourism region objection system ? ? from the structure of tourism resources to the structure of tourism products , to the structure of the tourism markets , to the structure of tourism industries, and each step of transformation needs the input of anti - entropy from the subjection system ? ? the tourists, the tourism scholars, the tourism enterprising, the tourism media, the government and the local people who urge the region sustainable development. there are six chapters in the dissertation : in the first chapter, on the base of holographic view, the author constructs a holographic space which consists of one - dimensioned time, three - dimensioned space and multi - dimensioned system, which can supply for the study of variety and multi - perspective of tourism region subsystem, meanwhile originationable theory, fractal theory and down - to - the - earth theory are put forward as methodology, what ' s more, the author constructs the paradigm of the tourism region development as the frame of region tourism development. in the second chapter, with a holographic view, some concepts of tourism region system, both objection system and subjection system, are defined again, especially, the conception of tourism, tourist, tourism resources and tourism product, the author considers, it ' s only through information that can explain how the tourism derived and developed, what the tourist demands and utility are, and the relationship between the inner subjection system is regarded as mutuality

    本論文結構共分6個部分:第一部分,從全息學的基本觀點出發,構建出由一維時間、三維空間和多維統組成的全息空間,這為研究旅遊地域各子統的多樣性和多度性提供了理論的依託,並將元化思考、分形理論和紮根理論作為旅遊地域開發的主要方法論,構建出旅遊地域全息開發的思維範式,為旅遊地域的開發奠定了堅實的理論框架;第二部分,從全息度對旅遊地域統,包括客體統和主體統,進行全新的界定,尤其對旅遊活動、旅遊者、旅遊資源及旅遊產品的概念進行全新界定,認為只有從信息度才能理解旅遊活動產生、發展以及旅遊者的需求和效用,並在旅遊地域開發關繫上提出了互為主體的觀念;第三部分,從空間度對旅遊地域進行分析,認為旅遊地域是運動的,要素運動形成要素的結構變化,進而推動整個旅遊地域的運動,同時,旅遊地域運動還受到環境統的制約和影響,筆者還對旅遊地域相互作用關作了較為深入的研究,認為不同級間和同級間旅遊地域相互作用遵循不同的規律;第四部分,通過對旅遊地域周期理論的再認識,詳細分析了影響旅遊周期的因素,並提出旅遊地域全息周期的理想模式是logistic;第五部分,筆者對旅遊地域的開發模式進行了總結,從主體度提出了4種旅遊地域全息開發模式? ?資源主導型、學者主導型、企業媒體主導型和政府大眾主導型,並從環境統對旅遊地域開發的影響程度出發,提出2種修正模式? ?微阻礙模式和重阻礙模式;第六部分,以安西縣為例,在全息分析安西縣旅遊地域發展狀況之後,強調旅遊產品的開發與設計是旅遊地域開發的關鍵,並運用全息的觀點對旅遊產品開發進行了實證研究。
  19. Based on experimental research and theoretical analysis, investigations on the new type of joint are made systematically, the main contents and results include the following items. 1 four specimens of new joints between cfrt columns and steel beams are designed. by low - cyclic reversed load test, skeleton curves of new joints and shearing deformation in joint core area are studied, the influence of parameters, such as concrete cores, length of stiffener, and relative dimensions of column and beam, is discussed

    本文在分析現有節點方案特點的基礎上,提出了鋼加勁式節點方案,並採用試驗和理論分析相結合的方法,對這種新型節點進行了統研究,主要研究內容與成果如下: (一)設計了4個新型方鋼管混凝土柱?鋼梁節點的試件,通過對新型節點的低周反復荷載試驗,研究了新型節點的骨架和節點核心區剪切變形,探討了內填混凝土、加勁肋長度和樑柱相對尺寸對節點抗震性能影響。
  20. The paper emphasizly researches response functions of absolute radiometers, and the method of variational angle measure is corrected. the paper analyzes the function of an angle of incidence and the area in which absolute radiometers absorb the solar irradiance under considering the characteristic and principle of absolute radiometers. the function of absolute radiometers temperature raise and time is discussed, and the curve of the function is drawed by computer

    在結合絕對輻射計的結構特點和工作原理的基礎上,分析和討論了絕對輻射計接收光輻射的效面積隨太陽光入射變化的函數關式,在此函數關式的基礎上,分析和討論了絕對輻射計接收太陽光輻射后,其溫度的升高量隨時間變化的函數關式,並且用計算機編程畫出了絕對輻射計的溫度升高隨時間變化的圖。
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