reduction coefficient 中文意思是什麼

reduction coefficient 解釋
換算系數
  • reduction : n 1 縮小，減少；降級，降位；（刑罰等的）輕減；減速；減價，折扣。2 （城市、國家等的）陷落，投降，...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  2. Abstract : molecular deposition ( md ) film, a nano film, is assembled by the interaction of static charge between cationic and anionic compounds. the micro - friction properties of an md film on silica has been studied with atomic force microscope ( afm ). it has been found that the md film has lower coefficient of friction as compared with the original surface of silica. moreover, based on the analyses of the surface force versus distance curves, photographic image, friction force image, and modulated force image, it is concluded that the friction reduction effect of md film on silica is attributed to the surface adhesion reduction and surface micro - modification

    文摘:利用原子力顯微鏡對石英巖表面單層分子沉積膜的微觀摩擦特性進行了研究，發現該分子沉積膜具有一定的減摩性.通過對其表面力-位移曲線、表面形貌像、調制力像和摩擦力像的進一步分析表明，石英巖表面分子沉積膜具有減摩作用的原因在於它能夠降低表面的粘著力並對表面具有微觀修飾作用
  3. Such muzzle velocity reduction and weight coefficient can be marked out one by one and be made up into the curve board

    將每一條曲線對應的初速減退量、曲線上各段的權重系數一一標出，並可製成曲線板。
  4. The results showed that : ( 1 ) the models used by author and the analysis are useful and can be practiced. ( 2 ) after using isolation technology, the structure ' s period, earthquake response, base shear force and acceleration are all decreased markedly and the horizontal displacement focuses on isolation layer. ( 3 ) under frequent earthquake action, the shear force ratio between layers is close to 0. 35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0. 53 and the upper building can be designed by decreasing one degree

    計算模型分別採用三維空間模型及規范中建議的彈簧、質量模型，隔震層採用疊層橡膠隔震支座，運用大型結構有限元計算程序sap2000以及自主開發的nba結構程序計算隔震結構在多維地震動輸入下的動力非線性時程反應，同時研究了隔震結構在溫度變化的作用下，結構各桿件的內力變化，通過對變電建築物在傳統抗震作用下及隔震作用下的分析比較，得出一些有益的結論。
  5. Improved frostbolt : the reduction in damage coefficient caused by this talent has been removed

    強化寒冰箭：減少傷害的系數已經從這個天賦中移除。
  6. As for one specific gun ammunition system, by use of the established mathematical models the curve of the bore wearing, the muzzle velocity reduction related to that kind of curve and the weight coefficient at each section of that curve can be simulated

    對于某一火炮彈藥系統，利用建立的數學模型可模擬出炮膛磨損曲線及每一條曲線所對應的初速減退量、曲線上各段的權重系數。
  7. The safety of the running train is an important subject in railway vehicle system dynamics. the condition of derailment and indices of vehicle are important parameters that are defined for safety evaluation of the running train. according to the running condition of vehicle, the paper discusses derailment safety of vehicle in four respects : the coefficient of derailment for a single wheel, the coefficient of derailment for wheel - set, the derailment condition caused by wheel load reduction, relation between the coefficient of derailment and the rate of wheel load reduction. factors affecting the indices are systematically investigated. suitable conditions of derailment of vehicle are given. the results show that h / p1 can be used to evaluate the derailment safety, inwhich h is a force acting on wheel - set in the direction of lateral and p1 is a force acting on the derailment wheel in the direction of vertical

    車輛脫軌條件和評定指標是衡量車輛安全運行的重要指標.根據車輛運行狀態，從單輪脫軌條件和評定指標、輪對脫軌條件和評定指標、由輪重減載引起脫軌的條件、脫軌系數與輪壓減少率的關系等4個方面對車輛的脫軌安全度進行了探討，分析了影響車輛脫軌的因素，並指出車輛脫軌評定條件的適用情況.結果表明，採用作用於輪對的側向力h與作用於脫軌側車輪的垂直力p1之比檢算車輛的脫軌安全度較為合理
  8. Abstract : the lubricating condition of cold rolling is affected by many factors. this paper shows the relationship between the friction coefficient and three rolling parameters, such as rolling speed, reduction and concentration of rolling lubricating oil

    文摘:主要研究了在冷軋過程中，軋機輥縫摩擦系數受軋制速度、相對壓下量以及乳化液濃度因素影響的變化規律。
  9. Over - all stability reduction coefficient of steel beam

    鋼梁整體穩定系數58
  10. In setting up the model of optimizing design of dewatering program, the goal function ( reduction pressure coefficient ) was to make surrounding ground settlement minimum under the promises of ensuring foundation pit draw down

    在降水優化設計模型的建立中，以減降系數為目標函數，在保證基坑降深的前提下，使周邊地面產生的沉降最小。
  11. From the point of view of risk, a index system of risk assessment of winter wheat losses caused by drought was established, including the meanings, token models and estimate methods of risk index of natural water deficiency rate, risk index of yield reduction rate and trending vector coefficient of disaster resistance capability, then on the base of these indices, the comprehensive risk index model of losses caused by drought was established and regionalized. the results indicated : the high risk region included the middle north of shanxi, some of middle of shaanxi and some of hebei in east ; the higher risk region included some of middle of shaanxi, the tangshan region and some of west of hebei ; the moderate risk region included the middle of s

    從風險的角度，建立了冬小麥乾旱災損風險評估的指標體系，包括自然水分虧缺率風險指數、減產率風險指數和抗災性能趨勢向量系數的意義、表徵模式和估算技術方法，在此基礎上構建了災損綜合風險模型，並對模型參數區域化，結果表明：冬小麥乾旱災損高風險區在陜西中北部、山西中部的部分地區和河北滄州的部分地區；較高風險區在山西中部的部分地區、河北的唐山地區和西部的部分地區；中風險區在陜西中部、山西南部、河北滄州的大部分地區；低風險區在陜西中南部、河南中北部、北京市、天津市、河北中南部和山東省。
  12. The numerical simulation of moisture varying processes have not shown a good fit to the measured, showing a moisture varying model of simple reduction, and not revealed the distinct courses at various slope locations. however, after simulating by the selected parameters shown the difference between various slope locations, the the coefficient of efficacy ( ce ) was increased obviusly and reached over 0. 6, that is to say, the simualted results is reliable in a certain

    土壤水分變化的數值模擬結果? ?坡耕地的上、中、下各部位的模擬土壤水分變化過程基本一致，這與實際觀測結果差異較大，因此，還不能準確反映坡耕地不同部位的水分變化特徵，但通過對模擬參數的調整，可獲得一定可靠性的模擬結果，盡管未達到很理想的程度。
  13. Improved fireball : the reduction in damage coefficient caused by this talent has been removed

    強化火球術：減少傷害的系數已經從這個天賦中移除。
  14. The concept of the equivalent mode and the modal participation coefficient is introduced when the regulation structures are studied. as to the vertical irregular structural systems, the inter - story capacity spectrum method is used and the strength reduction coefficient 77 is put forward when the capacity method is used to evaluate the performance of the torsional irregular structures

    對于扭轉不規則結構體系，引入與結構偏心矩大小和結構平面整體尺寸有關的強度降低系數叮來考慮結構的扭轉效應，選取結構的基底剪力和邊軸線的最大反應位移為參數，應用能力譜方法進行抗震性能評估。
  15. The result shows that average absorption coefficient and noise reduction coefficient separately equal to 0. 58 and 0. 60, and fine property of sound absorption at middle - low frequency

    結果表明材料的平均吸聲系數和降噪系數分別達0 . 58和0 . 60 ，且材料的中低頻吸聲性能優良。
  16. Acoustical reduction coefficient

    隔聲系數
  17. On account of most of the existing research was limited in single pile and single pile with a cap. this paper has done six single pile, one single pile, one three piles composite foundation and two - origin foundation static load experiments and obtained the principal value. the author found the formula in the code is vaguely in deals with the origin foundation bearing capacity and its reduction coefficient. two pieces of advice were put forward to improve the formula and achieved satisfied results in fact engineer construction

    水泥土樁復合地基研究的困難，在於其非均一性的特點，鑒於前人的研究工作多局限在單樁及單樁復合地基，本文進行了六組單樁，單樁與多樁復合地基、天然地基各兩組的靜載荷對比試驗，得到了三者承載力的基本值，指出了有關規范復合地基承載力公式中的天然地基，取值不明確，不利於實際應用。
  18. Based on the comprehensive statistical analysis of inelastic displacement ratios, the regression equations of - r - t about the strength reduction coefficient and inelastic displacement ratios are obtained. the effects of soil condition, earthquake magnitude, epicenter distance, damp ratios and hysteretic characteristics are considered in detail

    通過對理想雙線性體系的均值彈塑性位移比與強度折減系數進行了統計分析與數值擬合，建立了兩大類場地土（硬土、軟土）下的- r - t回歸公式。
  19. Stability reduction coefficient of axially loaded compression

    軸心受壓構件穩定系數
  20. Analyzing the composite foundation bearing capacity reduction coefficient of soil among piles by data gathering from practice engineering ; providing some advice and a regional experimental extent of selecting the bearing capacity reduction coefficient of soil among piles for designing composite foundation with cfg piles in loess area according to investigating results, with which give the designer a material to consult

    根據實際工程中採集的實驗數據，對復合地基樁間土承載力折減系數進行了討論分析，根據實驗研究結果，給出了黃土地區的cfg樁復合地基設計中樁間土承載力折減系數的一個區域性的經驗取值范圍，並對cfg樁復合地基的設計提出了一些建議，可供工程設計人員參考。
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