degradation model 中文意思是什麼

degradation model 解釋
退化模型
  • degradation : n. 1. 降級；免職。2. 退化；墮落。3. 【地質學；地理學】（地表的）剝蝕。4. 【化學】降解，遞降分解（作用）。5. 【物理學】（能的）退降。
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. This paper has emulated the complex process of bioceramic " s degradation by using the computer simulation technique and studying the principle of material " s degradation, and combining the grain growing model with material degradation model

    本文利用計算機模擬技術，在深入研究了生物陶瓷體內降解機理的基礎上，將晶粒長大模型和材料降解模型有機結合，用於模擬生物陶瓷的降解過程。
  2. A new fusion method based on resolution degradation model for panchromatic and multi - spectral images

    基於解析度退化模型的全色和多光譜遙感影像融合方法
  3. Experimental results show that the cascading of the speech enhancer and a hidden markov model ( hmm ) based speech recognizer can significantly improve recognition accuracy in noisy environments without performance degradation for clean speech

    通過3種不同的增強演算法用於純凈語音和3種類型帶噪語音的實驗結果分析比較表明，這一方法對純凈語音的識別精度幾乎沒有任何改變而大大提高了系統的抗噪聲性能。
  4. The section loss of steel bars and degradation of bond intensity were taken into consideration in this study in order to establish the finite element model of corroded reinforced concrete beam through simulating the bond slip behavior between steel bar and reinforced concrete based on nonlinear spring element

    摘要在考慮銹蝕引起的鋼筋橫截面損失和粘結強度下降的前提下，利用非線性彈簧單元模擬銹蝕鋼筋與混凝土之間的粘結滑移性能，建立了銹蝕鋼筋混凝土梁的有限元分析模型。
  5. To analysis the principle of degradation and destruction, a reasonable relationship between the electrostatic potential and 1 - v characteristic parameters is raised ; a computation model for electron trap effect is originally proposed, which leads to a conception of critical trap electron density

    本文首次建立了晶界勢壘高度與伏安特性參數之間的關系，提出了陷阱效應在沖擊老化過程的作用模型，引入了「臨界陷阱電荷密度」的概念。
  6. On the base of thorough analysis of fault characters, the petri net model is introduced and changed into fault petri net ( fpn ) that can be used to settle some critical problems such as complicated faults, degradation competition and one cause with multiple consequence according to the characters of fault evolvement and spreading. in order to predicate the remained life of particular machine under special working conditions, an algorithm was also providcd to analyse the timely characters of the fpn. it is demonstrated that the method provided in this paper can simulate the dynamic evolvement process more appropriate than tranditional methods such as fault tree analysis ( fta ) and can predicate the remained life of the particular machine under special working conditions

    為此，深入分析了機械設備的故障特性，把以描述離散事件動態系統見長的petri網分析技術引入到機械設備剩餘壽命預測領域，並根據故障的演變和傳播特點，將petri網加以改造，提出適用於對機械設備復合故障動態演變歷程進行模擬的「故障petri網」 ，解決了「並發故障」 、 「劣化競爭」和「一因多果」等問題，並給出故障petri網的時間特性分析演算法，用於單機具體工況下的剩餘壽命預測。
  7. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析，對所得結果從器件內部物理機制上進行了討論，最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深（凹槽深度）的增大，槽柵器件的閾值電壓升高，亞閾斜率退化，漏極驅動能力減弱，器件短溝道效應的抑制更為有效，抗熱載流子性能的提高較大，且器件的漏極驅動能力的退化要比改變結深小.因此，改變槽深加大負結深更有利於器件性能的提高
  8. In light of the problems of aggravated soil erosion and litho - desertification of the karst regions in northwest guangxi as a result of degradation of forest ecosystems, six " grain - for - green " models ( five models of artificial afforestation or grass planting, and one model of desertation for natural vegetation restoration ) were screened out for quick restoration of vegetations in the regions and evaluated for their respective ecological effect

    摘要針對桂西北喀斯特地區森林生態系統退化造成的水土流失加劇以及石漠化嚴重的現狀，篩選適合該地區植被快速恢復的5種人工造林（草）方式和自然拋荒恢復模式，分析評價各種模式的生態效應。
  9. A case study in the xilin river basin of inner mongolia showed that this model could quantitatively analyze the degradation degree, risk degree and easy - restoration degree of the grasslands under different optimizing management levels, which was of significance for applying rational measures with pertinence, and beneficial to the optimal allocation of resources during the management of degraded grassland

    結果表明，通過構建退化草地優化管理模型，定量分析流域內不同優化管理等級退化草地的退化程度、危害性和易恢復性，可以有針對性地採取合理的治理措施，有利於退化草地治理中的資源優化配置。
  10. From the third chapter to the sixth chapter we mainly discuss a novel moisture permeation ratio measurement method, and model was developed qualitatively and quantitatively with the ‘ calcium degradation test ’ method

    第四章，主要介紹了鈣膜腐蝕法測量滲透率所用的系統組成，這個系統由ccd攝像頭、顯微鏡和計算機組成，並介紹了用於本系統的程序。
  11. A lot of areas have already become the fragile district of the ecology. the mesoscale ( mm5v3 - 5 ) model was used to simulate the change of temperature, heat flux by means of changing landuse according to the survey data about the land degradation and renewing in the west of liaoning, which used data in june, july and august, 2001

    本文利用中尺度模式（ mm5v3 - 5 ） ，選擇2001年6 、 7 、 8月份的資料，根據遼西地區土地退化的有關調查材料，對模式中的下墊面狀況（ landuse ）進行改變，模擬植被退化和恢復后，遼西地區的溫度、熱通量變化。
  12. We have accomplished the software of the simulation of bioceramic degradation which can predict and calculate some parameters about the process. the degradation model put forward in this paper provide theoretic support for the 2 dimension simulation of bioceramic degradation after comparing and applying the method of grain growth

    利用montecarlo方法建立了二維和三維降解模型，完成了二維降解模擬軟體的編程，初步實現了對降解度的計算以及對相關參數的預測計算。
  13. Based on the hydrodynamics energy transport model, the degradation induced by donor interface state is analyzed for deep - sub - micron grooved - gate and conventional planar pmosfet with different channel doping density. the simulation results indicate that the degradation induced by the same interface state density in grooved - gate pmosfet is larger than that in planar pmosfet, and for both devices of different structure, the impact of n type accepted interface state on device performance is far larger than that of p type. it also manifests that the degradation is different for the device with different channel doping density. the shift of drain current induced by same interface states density increases with the increase of channel do - ping density

    基於流體動力學能量輸運模型，對溝道雜質濃度不同的深亞微米槽柵和平面pmosfet中施主型界面態引起的器件特性的退化進行了研究.研究結果表明同樣濃度的界面態密度在槽柵器件中引起的器件特性的漂移遠大於平面器件，且電子施主界面態密度對器件特性的影響遠大於空穴界面態.特別是溝道雜質濃度不同，界面態引起的器件特性的退化不同.溝道摻雜濃度提高，同樣的界面態密度造成的漏極特性漂移增大
  14. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  15. ( 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。
  16. The degradation of underliminal affective priming effect and its response competition model

    閾下情緒啟動效應的衰退和反應競爭模型
  17. By the methods of remote sensing ( rs ) and geographic information system ( gis ), and based on the estimations of degradation degree, risk degree anti easy - restoration degree of degraded grasslands, an ecological management index ( emi ) model of grassland was established to approach the practical ways of optimizing management of degraded grassland

    摘要利用遙感監測和空間信息分析技術，通過對退化草地的退化等級評估、風險度評估以及易恢復度評估，構建了草地生態優化管理指數（ emi ） ，探討了退化草地生態優化管理的實踐途徑；並以錫林河流域為例，分析了退化草地生態優化管理指數。
  18. According to the geological conditions of baise project, erosive bands and joint fissures, f6 fault and grout curtain are fully simulated to establish 3d numerical model of the dam and its foundation. 3d non - linear fem is used to analyze the stress and strain and to appraise the operation state of both the dam and it ' s foundation under different operation conditions. by overloading the upstream water level and reducing rock strength parameter, the dam foundation ' s degradation process is simulated and the damage pattern and paths are determined, and finally the safety factor is determined

    2 、根據百色的地形地質條件，充分模擬了蝕變帶、節理裂隙、 f6斷層、灌漿帷幕等，較為真實地建立了壩體與地基相互作用的整體三維數值模型；採用有限元法對壩體及壩基在不同工況下的應力應變狀態開展分析，評價各工況下壩基的運行狀態；而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑，最終確定壩基超載安全系數和綜合安全系數。
  19. Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    文摘:在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  20. Performance reliability evaluation based on exponential degradation model on condition of small sampling

    小子樣條件下基於指數退化軌道的性能可靠性評定
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