static ratio 中文意思是什麼

static ratio 解釋
表態比率
  • static : adj 1 靜止的,靜態的,靜力的。2 【物理學】天電的,靜電的。3 【無線電】靜態特性。4 固定的,不活潑...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程,高超音速再入飛行時的升阻比,亞音速進場飛行時的升阻比,縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下,用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  2. In order to improve the technology level of testing static parameter of rocket bomb and increase its hit ratio, this paper describes in detail the measuring system of the moment of inertia of rocket bomb, the designing principle and realizing method

    為了提高我國航彈靜態參數測試的技術水平,增強航彈命中率,本文詳細論述了航彈極轉動慣量測量系統的設計原理及實現方法。
  3. 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、斗拱等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系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、極限變形等參量; (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曲線、榫卯張角剛度及其變化規律、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、耗能減振參數等進行了定量分析。
  4. The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio

    基於上述分析,本次試驗通過五個外包鋼混凝土邊節點1 4比例模型的偽靜力試驗,以柱的軸壓比、梁角鋼布置形式、配箍率等為主要參數,分析外包鋼混凝土現澆框架一般層邊節點在中高軸壓比( n = 0 . 3 、 0 . 5 、 0 . 6 )條件下,節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性;分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力;分析了試驗節點的滯回性能和耗能能力。
  5. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  6. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  7. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議
  8. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  9. 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。
  10. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點試件的擬靜力試驗結果,指出異型節點受力過程分為初裂、通裂、極限和破壞4個階段;討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響;提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議;最終給出了異型節點抗剪承載力的計算公式。
  11. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音壓制技術等;疊前拓寬地震資料領帶,包括振幅補償和疊前反褶積技術等;藉助高精度速度分析、剩餘靜校正和高次項nmo技術,通過多次覆蓋疊加,消除資料中隨機噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡線」 ;疊後有限反射頗帶識別、抬高優勢頻率等。
  12. Through stress, displacement straight - line picture and the strain ratio of two supports before it cracks, the stress and displacement fields of symmetric and asymmetric samples under static conditions are observed

    通過裂紋啟裂前的應力、位移等直線圖及兩個支座的應變之比,觀察靜態條件下對稱試件及非對稱試件裂紋面兩端的應力場和位移場。
  13. In this paper, five restrained beams with web and different longitudinal reinforcement were tested under static point loads, with the shear - span ratio being kept around 1. 5. on this basis, the overall process of cracking development under shear and the effect of longitudinal reinforcement ratio on it was investigated

    本文通過集中荷載作用下五根剪跨比為1 . 5 、不同縱筋率的有腹筋約束梁的試驗,深入研究了有腹筋約束梁的受剪破壞全過程及縱筋率對其的影響。
  14. Both static and cyclic load tests are conducted for a same size specimen. the purpose is to find the effect on shear strength from different height - width ratio, and to get the shear resistance limit by static and cyclic loading. according to test results, the improvement suggestions for the wall details and design are presented in this paper

    同樣尺寸的二個試件分別在頂端進行水平單調加載和水平方向低周往復加載抗剪試驗一次,試驗目的是測試墻體的不同高寬比對抗剪強度的影響以及墻體在單調加載及低周反復加載兩種情況下的抗剪強度pu並做出比較,從而對墻體構造及設計提出改進建議。
  15. Analysis system for bridge test ( qljc in chinese ) is an application software specially designed for bridge test to build spatial fem model of bridge structure with beam elements or solid elements, analyze the static and dynamic character of bridge structures, calculate efficiency ratio of load test, pick up the results of observation points and so on

    摘要橋梁結構檢測分析系統qljc是針對橋梁檢測試驗分析開發的專用軟體,能夠建立橋梁結構空間有限元模型,運用實體單元法和空間梁格法進行靜動力試驗分析、試驗荷載效率計算,查取測點位置理論計算值等。
  16. Increasing the ratio of side span to second middle span does good to the static behavior of the whole bridge. it is highly recommended that the ratio of side span to second middle span had better be chosen as 0. 7 or so

    ( 3 )增大邊跨與次中跨跨徑比,對全橋受力比較有利,本文建議取邊跨與次中跨跨徑比為0 . 7左右。
  17. Abstract : in this paper a new technology for upperpunch in ceramic tile die with isostatic pressing is introduced, static - pressure area ratio and bonding area ratio are changed into independent technological parameters and can be separately designed

    文摘:本文介紹了等靜壓瓷磚模具中上模芯的一種新型工藝結構,它使靜壓比和粘貼比成為兩個互相獨立的參數,可以分開進行設計。
  18. Using the transmission of one class planet gear and two class cylindrical gear, considering the small scaled of the planet gear ’ s transmission and high gearing ratio of the cylindrical gears, each gearing ratio is : i1 = 5, i2 = 3, i3 = 3. 5. based on the given variables in the special work circumstances, parameters of the gear and the structure of the gearing parts was proposed. through static analysis of the high - speed shaft g, the best structure of the shaft was chosen

    採用一級行星加上兩級圓柱齒輪傳動綜合行星齒輪傳動的小型化和圓柱齒輪的大傳動比,各級傳動比為i1 = 5 , i2 = 3 , i3 = 3 . 5 ,按照所給定的工作環境變量確定齒輪副參數和傳動部件的結構,利用ansys確定高速軸g軸最優結構,並用pro / e軟體對傳動部件進行造型及裝配。
  19. In view of characteristics of seismic data of gobi - sand dune areas, this paper, through various data - processing means such as quality control, high - pass filltering, dip angle filltering, field static correction, surface consistency deconvolution, precise velocity analysis, denoising before stack, multiple iterative operation of residual static correction, denoising after stack and modification after shift, has raised the data quality of seismic profiles in low signal - to - noise ratio areas and managed to form the seismic data - processing technique for such complex areas as gobi, foreland and dune

    摘要針對戈壁、沙丘地區地震資料的特點,通過對原始資料進行質量控制、高通濾波、傾角濾波、野外靜校正、地表一致性反褶積、精細速度分析、疊前去噪、剩餘靜校正多次迭代、疊後去噪和偏後修飾等處理,提高了低信噪比地區地震剖面的資料質量,摸索出了一套戈壁、山前、沙丘等復雜地區地震資料處理技術。
  20. Since chinese financial market has yet been shunting and developing, the methods and means of analyzing the credit risks are comparatively laggard. the credit risks of the public companies mainly are evaluated and analyzed by the qualitative ways, such as traditional static ratio analysis, etc. which cause many mistakes or errors. and there are still not many practical models which focus on the characteristics of the public companies to analyze their credit risks as well

    我國金融市場尚處于轉軌和新興發展階段,信用風險評估的方法和手段較為落後,對上市公司信用風險評估分析主要採用傳統的靜態比率分析等定性方法,以至於上市公司信用風險評估經常出現錯判誤判現象,專門針對上市公司特點而進行信用風險評估的實用模型還不多見。
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