退化系數 的英文怎麼說

中文拼音 [tuìhuàxìshǔ]
退化系數 英文
degeneration factor
  • 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Relations between the signal - to - noise, sensibility, demagnetizing factor, output of fluxgate sensor with its diameter, thickness and turns of core are discussed in this paper. the author of this paper also concluded some basic principle for the designing of fluxgate sensor. the author designed and produced two dimension sensors to prove the possibility of the miniaturization of fluxgate sensor

    本文還分析了小型化傳感器的實現可行性，分析了磁通門傳感器的信噪比、靈敏度、退磁系數、感應輸出與傳感器磁芯直徑、厚度和磁芯匝數的關系，論證了傳感器小型化的可行性，總結了在設計磁通門傳感器時所應遵循的基本原則，並且設計製作了兩種尺寸的傳感器，從實驗角度論證了傳感器小型化的可行性。
  2. We study in this paper the filtration problem in partially saturated layered porous media in one dimensional. that is the thid problem boundary value problem of on dimensional degenerate quasi - linear elliptic - parabolic equation with discontinuous coeffi - cients. the existence, uniquess of the solutions and some properties of the solution are proved

    本文主要討論一維有限雙層多孔介質中部分飽和的滲流問題，即具有間斷系數的一維擬線性橢圓-拋物退化方程的第三邊值問題。證明了該問題的解的存在性、唯一性及弱解的邊界性質。
  3. A hydrogen and argon ions mixing beam was implanted into the deposited vanadium oxide film. after annealing, vo2 film with tcr ( temperature coefficient of resistance ) as high as 4 % was obtained. the bombardment of ar + could break v - o bond of v2o5 molecule in deposited film and implanted h + resulting in the deoxidization of v2o5, so the vo2 thin film could be prepared by proper control of the dose of ar + / h + implantation

    利用離子束增強沉積設備，在ar ~ +離子束對v _ 2o _ 5靶濺射沉積的同時，用氬、氫混合束對沉積膜作高劑量的離子束轟擊，使得被氬離子轟擊后斷鍵的氧化釩分子，再被注入氫降價，然後經適當的退火，成功地制備了熱電阻溫度系數高達4的vo _ 2薄膜（國外報道值為2 - 3 ） ，並研製了單元懸空結構探測器和8 1 ， 16 1線性陣列。
  4. Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures

    本論文依託巫溪縣水土保持生態修復項目，運用模糊層次分析方法，進行退化生態系統的景觀健康評價體系設計與健康等級分析；通過對比研究巫溪縣與另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析，揭示巫溪縣土地利用格局上的退化特徵；提出與水土保持治理相結合起來的生態恢復模式；引用土壤肥力質量指數，對生態修復區不同生態恢復演替階段群落及不同時期坡改梯、休耕地與封山育林三項生態修復措施的土壤肥力質量分析與對比。
  5. ( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented

    氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度變化的變量。 （ 4 ）建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退化的非線性模型。
  6. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜，考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系，並利用一組對偶基給出了有限域上邏輯函數的反演公式；給出了有限域上隨機變量聯合分佈的分解式，並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究；給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系，探討了它們之間密碼性質的聯系，如平衡性，相關免疫性，擴散性，線性結構以及非線性度等；討論了有限域上邏輯函數各類線性結構之間的關系，並給出了任意點都是線性結構的邏輯函數的全部構造，由此引出了有限域上的「泛仿射函數」的概念；考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系；給出了有限域邏輯函數非線性度的定義，利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系，考察了有限域上邏輯函數的非線性度與線性結構的關系；利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系，揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系，以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  7. Based on the color aerial photo and the field survey data, this paper analyze the information of various land use type change and spatial characteristics in yanan ecological construction demonstration area from 2000 to 2003 by rs, gis and statistics methods

    摘要以航片等資料為基礎，藉助遙感影像解譯、地理信息系統空間分析功能以及數理統計方法，分析了延安生態建設示範區2000 - 2003年間各土地利用類型的數量變化和空間特徵，並且首次引入退耕指數、退耕彈性系數等指標對退耕還林工作進行評價。
  8. Ims composes eight function modules : general situation of irrigation districts, database management, network communication, visual information query, report output, dynamic simulation, help, exit

    灌溉信息管理系統由灌區概況、數據庫管理、可視化查詢、網路通信、報表輸出模塊、動態模擬模塊（留有介面） 、系統幫助模塊、退出系統模塊八個功能模塊組成。
  9. Therefore, more challenges have arisen for query optimization in database grid than traditional distributed database. following this observation, the design of a query optimizer in dartgrid ii is presented, and a heuristic, dynamic and parallel query optimization approach to processing query in database grid is proposed. a set of semantic tools supporting relational database integration and semantic - based information browsing has also been implemented to realize the above vision

    克服數據庫網格特性所帶來的困難需要為數據庫網格提供全局一致的數據表達模式各結點數據模式到全局模式之間的映射方法各結點之間負載平衡和結點動態加入和退出系統的控制策略數據庫網格查詢優化器結構設計以及一整套適合數據庫網格的查詢優化演算法。
  10. Simulated annealing of multi - parameters optimization is the simulated annealing wave impedance inversion with some constraints, including s / n ratio, adjacent - channel correlation, deviation of initial model, and threshold value of reflection coefficient

    摘要多參數優化的模擬退火法波用抗反演是通過調整地震資料信噪比，相鄰道的相關性、初始模型偏差、反射系數門檻值等約束條件進行地震資料反演的。
  11. The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency

    在保證試樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下，利用棒材圓柱面測衰減系數法，分別測定並比較上述不同熱處理試樣相對衰減系數的變化情況，得到的實驗結果是：對於40cr及38crmoal鋼， _ （低溫回火） （淬火） _ （高溫回火） _ （正火） ；對于gcr15simn鋼， _ （低溫回火） _ （退火） _ （高溫回火） _ （正火） ；且隨著頻率的提高，衰減系數均呈現增加的趨勢。
  12. First, we trained neural network by using different methods to deal with different data, to elevate the ability of detecting small intrusion and prevent neural network degeneration during training ; then, the improved genetic algorithm was used to optimize neural network ensemble weight

    首先通過有區別地對待不同的訓練數據訓練神經網路，提高對小類別入侵的檢測能力並防止網路訓練中的退化現象；然後利用一種新的改進遺傳演算法優化集成網路的權，提高系統整體性能。
  13. In order to investigate the effect of high - field hot - carrier on devices and circuits, the electrical stress experiment is carried out with 1. 2 n m, 1. 0 n m and 0. 8 u m channel length home - made mosfet ' s by the monitor system with ate and cat technology. by using the fresh and degraded experiment data, bsim2 model parameters are extracted

    為了分析研究高場熱載流子效應對器件和電路特性可靠性的影響，採用自動測試與cad技術相結合的監測系統，對國內溝道長度1 . 2 m 、 1 . 0 m和0 . 8 m的mosfet進行了電應力退化實驗，並根據實驗結果提取了退化前後器件的bsim2模型參數。
  14. This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )

    奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題，特別對非線性系統的轉向點問題，已有的結果甚少，文章研究一類具有轉向點的擬線性系統的角層現象，在適當的假設條件下，利用微分不等式方法證明了當其退化解在（ 0 ， 1 ）內某些點上一階導數不連續時解的存在性，並得到了解的按分量的一致有效的漸近估計。
  15. Consulting criterion and experts ’ experience the grade standards of indexes are listed, and applying grey correlation analysis method to calculate value of the indexes, of which the form is a serial data. the last, an actual bridge uses synthesis evaluation model, of which calculating result is the same as conclusion of the experts. so the bridge condition synthesis evaluation model of this dissertation is relatively in reason ; chapter 3 discusses defects of current bridge condition evaluation methods, and analyzes various factors, which bring bridge degeneration

    參考《公路橋涵養護規范》中的分級標準進行評語量化，最後根據綜合評價模型進行實橋的評價，驗證本文所用方法的合理性;第三章，討論層次分析法建立橋梁評價模型存在的問題，分析影響橋梁退化的各種因素，並給出因素的模糊分級標準，運用模糊綜合評判方法估算橋梁平均退化率，以掌握橋梁的退化狀態，並舉例說明本方法的可行性;第四章，針對橋梁狀態評價具有信息不完全、關系不明確等灰色特性，以及目前我國橋梁管理部門儲備的橋梁數據資料較少的弱點，對橋梁狀態退化趨勢的預測採用灰色預測的方法，並給出了橋梁狀態的灰色馬爾可夫預測模型和非等時距灰色預測模型。
  16. The philosophy and methodology of performance - based seismic design ( pbsd ) has been an extensive topic discussed by earthquake engineering experts at home and abroad. in this paper, research work on displacement - based seismic design ( dbsd ) at home and abroad are systematically collected and analyzed. based on the available references of seismic behavior of frame - wall buildings, the method of dbsd of reinforced concrete frame - wall buildings is primarily put forward by taking into account the fault of methods of seismic design in current code. the main contents are as follows : the actual stiffness of frames and seismic walls at different deformation stages are determined from experimental data, and the results are adopted in the dbsd method

    本文對國內外基於位移的抗震設計研究成果進行了較系統的綜述與分析，在已有框架-剪力墻結構抗震性能研究的基礎上，針對現行抗震設計方法的不足，提出了鋼筋混凝土框架-剪力墻結構直接基於位移的抗震設計方法，並對其進行了一些研究和探索，主要內容如下：對國內外框架和剪力墻的模型試驗數據進行分析，量化了剛度退化系數與層間側移角之間的關系，並將其結果引入框架-剪力墻結構直接基於位移的抗震設計方法中。
  17. ( 2 ) based on deterioration model of owerage bond stress of beam reinforcement accounting for effect of axial compression ration and number of displacement loops, and stress - strain relationship of the concrete in the joint core accounting for effects of both softening and confinement, the modified compression field theory was employed to simulate behavior of the joint core under loading reversals. analysis by means of the program jap on the tested specimens in this paper and those obtained from other researchers produced consistent results

    根據本文建立的考慮軸壓比和位移循環次數影響的梁筋平均粘結應力退化模型和考慮軟化效應、約束效應的核心區混凝土應力應變關系，通過在試驗中得出的節點核心區混凝土、箍筋、節點正面、背面柱筋在反復荷載下的受力特點，利用斜壓場理論模擬節點核心區在反復受力過程中的受力狀態。
  18. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab ), many exact periodic solutions of nonlinear wave equations can be obtained and these solutions can degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions

    （ 2 ）利用jacobi橢圓函數表示法和數學計算軟體（ maple ， matlab等） ，可以得到一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解，沖擊波解，三角函數解。
  19. Considering the deterioration series of populations, deterioration degrees led to morphological variations. with the increasing of grassland deterioration, vegetative tiller length and reproductive tiller length became shorter. medium sized bunch, small sized bunch, reproductive tiller percentage, reproductive tiller number were reduced

    退化系列種群的形態變異隨退化程度而異，營養枝和生殖枝長度隨著退化的加重枝條長度變短，中、小株叢減少，生殖分配減少，生殖枝數量減少。
  20. Hollow shear walls " stiffness degeneration, seismic action of frame - shear wall is made certain. this paper presents a method for calculating frame - shear wall structure in elastic - plastic phase based on traditional elastic calculating method. the reference is advanced to make sure the earthquake action of frame - shear wall structure with r. c

    本文利用試驗中得出的空心剪力墻的剛度退化系數，並根據傳統的框-剪結構彈性計算方法，建立了彈塑性階段框架-剪力墻結構的簡化計算方法，為有鋼筋混凝土空心剪力墻的框-剪結構地震作用的確定提供了參考。
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