dissipation function 中文意思是什麼

dissipation function 解釋
耗散函數
  • dissipation : n. 1. 消散,分散;【化學】散逸。2. 浪費;消耗,損耗。3. 放蕩,閑游浪蕩。4. 消遣,娛樂。
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  1. Under these circumstances, f is called a dissipation function for the set c.

    這時,稱F為系統C的耗散函數。
  2. 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。
  3. These results demonstrate that the heat dissipation ability in the transgenic plants decreases, suggesting that xanthophyll cycle has the function in photoprotection. besides, a dna minipreparation method suitable for screening and identification large amounts of transgenic plants was established. using this rapid and efficient method, one person can prepare d

    另外,還建立了一種適合於篩選轉基因植株的dna微量提取法,此方法操作快捷方便,一個人在一天內能制備50多個樣品, 100mg的植物鮮樣平均可獲得40卜g的dna ,提取的dna可直接用於pcr反應、酶切分析及southern分析。
  4. Xanthophyli cycle has been widely concerned since the finding that it has the function in heat dissipation. with the trans - thylakoid ph gradient, zeaxanthin ( z ) together with antheraxanthin ( a ) can absorb excess energy from chlorophyll and release it as heat, thus protect the photosynthetic apparatus from photodamage by high light. violaxathin de - epoxidase ( vde ) is the key enzyme in xanthophylls cycle

    目前普遍認為葉黃素循環的色素定位於天線色素蛋白復合體上,在跨膜質子梯度( ph )形成后,玉米黃質( z )和環氧玉米黃質( a )能夠從葉綠素中吸收過多的激發能,並以熱能的形式耗散到體外,從而保護光合器官免受強光的破壞。
  5. It is found that in the absence of dissipation and average photon number of the reservoir the linear entropies of the atom and the field varies with time periodically, going to zero at the disentanglement times, and the period is the same as that of bell function and the linear entropy of the total system is zero at any time. if the cavity dissipation and the average photon number of the reservoir is taken into account, the linear entropies of the atom and the field present local maxima and minima and the difference between them diminishes with time, tending to asymptotic values

    結果表明,在忽略腔損耗和熱庫的平均光子數時,原子和場的線性熵有周期性的變化,在沒有糾纏的時刻,值為0 ,此時的周期與bell函數相同,而系統的線性熵在任何時刻都為0 ;如果考慮到腔場的損耗和熱庫的平均光子數,原子和場的線性熵有局部的最大值和最小值,它們之間的差距隨時間逐漸減小,趨向一個漸進值。
  6. The main works are as follows : 1. the paper systematically describes basic concepts and theories that form the foundation for design of general microwave filters. the topics will cover filter transfer function, lowpass prototype filters, frequency transformations, immittance inverters and the passband insertion loss under the influence of the dissipation of filter elements 2

    現總結如下: 1 .對微波濾波器的設計理論進行系統的分析,闡述了微波濾波器的傳輸函數、低通原型、頻率變換、倒置變換器以及元件損耗對帶內插損的影響等方面。
  7. The 2 - point self - energy and 3 - point vertex correction in < j ) 3 theory are calculated in this rule, and the fluctuation - dissipation theorem for 3 - point nonlinear response function is verified

    運用這套新法則,我們分別計算了兩點自能和三點頂角修正,並驗證了三點非線性響應函數的漲落-耗散定理。
  8. The large gate current brings out a lot of questions such as thermal stability, thermal dissipation, lifetime etc, so, it affects the device ' s function and the device ca n ' t work normally

    如此大的柵電流,將會產生很多嚴重的問題,如熱穩定性、散熱、壽命等問題,嚴重地影響著器件性能,使器件不能正常工作,以致限制了集成電路的進一步發展。
  9. Secondly, because of the faultiness of these algorithmic routines of dissipation factor in existence, this dissertation puts forward an improved correlation function algorithm based on wavelet analysis, and the improved algorithm focuses on two lesding aspects : one is the methods to reduce noise and distill the fundamental, the other is the means to reduce the errors resulted by frequency fluctuating

    其次針對現有介損計算方法的不足,提出了一種基於小波變換理論的改進相關函數法的介質損耗值計算方法,主要從去噪、提取基波的方法以及降低由於電網頻率波動所造成的誤差兩個方面來考慮。並對此方法進行了模擬分析和驗證了改進演算法的優越性。
  10. Under these circumstances, f is called a dissipation function for the set c

    這時,稱f為系統c的耗散函數。
  11. The lagrange ' s equation containing dissipation function and the physical meaning of such functions

    含耗散函數的拉格朗日方程及耗散函數的物理意義
  12. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差,引入狀態空間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能器的數量和位置優化進行了一些探討和研究。
  13. The optimum design mathematical models of both kind channels are developed in accordance with the theory of minimum rate of energy dissipation. the rate of energy dissipation of flow is used as the objective function, and the condition of both non - eroding and non - silting, or the condition of equilibrium of eroding and silting is the constraint

    以水流能耗率作為穩定渠道設計的目標函數,分別以渠道不沖不淤平衡和沖淤平衡作為約束條件,建立起穩定渠道優化設計數學模型,求解渠道底寬、水深、比降的優化值及相應流速。
  14. In this thesis, by means of the lagrange function, the finite element dynamic equations of the beam element are deduced. then all the element dynamic equations are assembled into the system dynamic equation through using the kineto - elastodynamics theory. the dissipation force derived from joint damping is applied as excitation force of the linkage system

    本文的主要內容如下:以平面彈性四連桿機構為研究對象,運用ked ( kineto - elastodynamics )方法推導出了連桿機構的系統動力學方程;在此基礎上,將運動副阻尼等效為粘性阻尼,導出了包含運動副等效粘性阻尼系數的系統動力學方程。
  15. Making use of the energy dissipation function of the step, the measure which takes step as curve jet flow is proposed

    四川大學碩士學位論文利用階梯的消能作用,提出把階梯作為彎道急流的一種控制措施。
  16. The system runs stably with a high control precision because of appropriate control strategy and meets the desired system value of high precision, low dissipation, multi - function switching

    由於採用了合理的控制策略,使得系統運行平穩、控制精度高,達到了高精度、低功耗、多功能切換的指標要求。
  17. For scalar equation and system of equations, we build different ghost fields, translate one equation ( system ) into two equations ( system ). we still use high resolution shock capturing method to compute the two equations ( system ) ; level set equation is used to track the interface, and the result of original equation ( system ) is determined by the level set function. thus, we eliminate the numerical dissipation which high resolution shock capturing method cannot avoid near the interface, and the resolution is enhanced

    對標量守恆律方程、守恆律方程組分別構造了一種虛擬區域,將一個方程(組)轉化成兩個方程(組) ,對這兩個方程(組) ,我們仍然使用高解析度激波捕捉格式,而levelset方程用來追蹤間斷的位置,原方程(組)的解最後由levelset函數決定:這樣做彌補了高解析度激波捕捉方法在間斷附近發生數值耗散的缺陷,提高間斷處的解析度。
  18. The rate of energy dissipation of flow is used as the objective function, to make a set of decision variables, which minimize the objective function under the restrictions related to bend channel

    以水流能耗率作為目標函數,並應用與彎道有關的約束條件,對樞紐中的引水彎道進行了優化設計。
  19. The influences of the steel tubes on the failure modes of specimens, on the shear strength of core area of joints, on the stiffness of joints, on the ductility and on the energy dissipation. meanwhile, both the function of concrete - filled steel tubular core columns in raising aseismic strength and the hysteretic behavior of joints specimens have been studied. in addition, the failure modes, the strength, stiffness, the ductility and the energy dissipation of the joints between concrete - filled steel tubular core columns and prestressed concrete beams, of have compared with those of the joint between a reinforced concrete column and a prestressed concrete beam

    根據試驗結果,描繪了試件在低周反復荷載作用下的受力性能及破壞形態,分析了試件的有關強度指標、節點剛度、延性及耗能能力,討論了柱內鋼管對節點試件在破壞形態、核心區抗剪承載力、剛度、延性及耗能能力等方面的影響、鋼管混凝土核心柱對提高節點抗震性能的作用以及節點的滯回特性,比較了鋼管混凝土核心柱與預應力混凝土梁框架節點和普通預應力混凝土框架節點在破壞形態、節點強度、節點剛度、延性及耗能能力等方面的充業庶:鋼營捉枉土較心往與扭應力捉枉土要節點低周反復荷敢試驗研兜差異。
分享友人