contrast coefficient 中文意思是什麼

contrast coefficient 解釋
對比系數
  • contrast : n 1 對照,對比;(對照中的)差異。2 對立面,對照物;【攝影】反差。3 【修辭學】對照法。vt 使對照,...
  • 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. Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond, the refractory point of bond is reduced by 55, the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively

    通過實驗發現:葉蠟石和白雲石最佳含量為30 % ,與原結合劑相比,結合劑耐火度降低了55 ,平均熱膨脹系數降低了30 % ,磨具抗折強度提高了27 % ,磨具抗沖擊強度提高了22 % 。
  2. It is showed that the heat transport crossing the equator has the similar magnitude and the same period of one year, compared with that of 10 n in arabian sea. by contrast, the heat transport across 10 n in bay of bengal has a much smaller value with a prominent semiannual period ; there are tight relationship between integrated zonal wind stress in one latitude of the indian ocean north of 7 n and the total heat transport across that latitude, as well as the total net surface heat flux north of that latitude. the maximum correlation coefficient is less than - 0. 5

    結果表明越赤道和越10on阿拉伯海的熱輸送量大小具有可比性,且有相同的年循環特徵,而10on孟加拉灣緯度的經向熱輸送較小,且具有半年變化周期;儼s以北印度洋任一緯度上的緯向風應力異常與此緯度上的經向熱輸送異常以及此緯度以北印度洋總的海面凈熱通量異常有很好的相關關系,相關系數最大可達一0 . 5以上。
  3. Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived

    首先,分析了紅外波段大氣輻射傳輸與衰減、對比度限制光電成像系統功率響應特性,建立了目標表現觀對比度模型,並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。
  4. 3. by using comparative labor productivity and the duality contrast coefficient, this paper measures the strength and transformation conditions of chongqing ' s dual economy structure, and reveals that the transformation of chongqing ' s dual economy structure is deviated from the general law of economic development : along with economics increases, chongqing ' s dual economy structure submit to a continuously reinforced tendency

    3 、運用比較勞動生產率、二元對比系數等指標對重慶二元經濟結構的強度及轉換狀況進行了總體度量,發現重慶二元經濟結構的轉換與經濟發展的一般規律相背離:即隨著經濟的增長,二元經濟結構卻呈不斷強化的趨勢。
  5. This thesis has made the contrast test of shrink and creep for plain concrete and concrete filled steel tubes on the basis of long term in - door test, obtains the principles of shrink - creep of concrete filled steel tube, simulates the test data, analyses and contrasts the coefficient of shrink and creep, thus offers reference for the calculation mode of creep, furthermore by introducing reasonable assuming at the same time, develops the calculation formula of equivalent elastic modulus at the same time, develops the calculation formula of equivalent elastic modulus, adopts common structure analyses procedure ansys to calculate the redistribution of section stress in the steel tube and concrete during operation

    本文在長期的室內試驗的基礎上對素混凝土和鋼管混凝土做了收縮和徐變的對比試驗,得出鋼管混凝土的收縮徐變規律,對試驗數據進行了擬合,對鋼管混凝土的收縮和徐變系數進行了分析和比較,從而為鋼管混凝土的徐變計算模式提供參考,同時通過引入合理的假定,並結合由「齡期調整有效模量法」導出的混凝土徐變本構關系,推導出了鋼管核心混凝土考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用通用結構分析程序ansys對成橋后鋼管和混凝土應力重分佈進行了計算。
  6. The results show that when evaluated with the indexes of cross entropy and contrast, it performs better than the wavelet transform based fusion method with the fusion rules of maximum absolute coefficient and maximum directive contrast

    模擬實驗表明,較之於基於最大絕對系數和最大方向對比度的小波變換融合方法而言,該方法在交叉熵和對比度意義上性能更佳。
  7. This paper measures the reasonable degree of the urban - rural income difference in china by means of an econometric model that reflects the relation between the dual contrast coefficient and the level of economic development

    本文通過建立一個反映二元對比系數與經濟發展水平關系的計量模型,來測度我國的城鄉居民收入差別的合理程度。
  8. 3 ) the sandbody distribution, physical properties, pore structure and heterogeneities are affected by the microfacies. at the center part of underwater distributive river course, the petrophysics and physical properties are both better than that at the edge of the microface. 4 ) the chang 61 2 - 3 substrata and the substrata of chang 62 " member which show the better porosity, permeability, and better pore structure ; display lower permeability variation coefficient, dart - coefficient and contrast - coefficient and good connecting sandbody so the horizontal heterogeneities is weaker ; whereas manifest stronger inner - heterogeneities due to the numerous intermediates ; present stronger inter - heterogeneities caused by the greater frequency of sandbody

    長6儲層中長6 _ 2 ~ ( 1 - 3 )和長6 _ 2 ~ 1砂層中的各個小層的孔隙度、滲透率值、含油性較好;平面非均質性較弱,表現為級差、突進系數、變異系數較低且砂體的連片程度高,鉆遇率和連通系數較高;與此同時,層內非均質性較強,表現為垂向上夾層的數目較多,厚度較大;層間非均質性也較強表現為分層系數較高。
  9. It is shown by the two - stories frame model shake - table test that the contrast two response of acceleration based on wavelet and experiment draws on such conclusion : littlewood - paley wavelet does not agree with the test, so it is not suitable for structural seismic response, because structural acceleration response is too small. the wavelet transform result of acceleration response based on meyer wavelet, harmonic wavelet and odd exponent wavelet agree with the test, thus they can be used to analyze structural seismic response. the analysis of earthquake ground motion energy and structural energy response based on these three wavelets ( littlewood - paley wavelet, meyer wavelet, harmonic wavelet ) shows that we can calculate earthquake ground motion energy by the record of acceleration, because the wavelet coefficient includes time - domain energy and frequency - domain energy

    通過對二層框架模型進行振動臺試驗研究說明:從小波變換得到的加速度反應和模型上的第一層及第二層的試驗測得的加速度比較得出的結論是, littlewood ? paley小波不適合於用來作結構地震反應分析,因為在此小波下的結構加速度反應太小,和實驗情況不符; meyer小波、諧波小波、單邊指數小波這三種小波從理論上得到的加速度反應同實驗測得的加速度過程比較吻合,因此從試驗上證明用meyer小波、諧波小波和單邊指數小波來作結構地震反應分析是比較合適的。
  10. In order to optimize the perpetuation tensioning tonnage of prestressed pier anchor wire of goupitan arch dam, first the scheme contrast method is adopted to define the perpetuation tensioning tonnage combination of the primary and secondary anchor wire, but the optimization result is that the pull - anchor coefficient is too big ; then the body form of the pier is optimized ; finally the anchor wire perpetuation tensioning tonnage is optimized by using ansys optimization design module based on parametric fem, the optimization result is acceptable and the pull - anchor coefficient is lowered down

    摘要為優化構皮灘拱壩中孔預應力閘墩錨索永存張拉噸位,首先採用方案優選的方法確定主次錨索永存張拉噸位組合,但優選結果拉錨系數偏大,再對閘墩體型進行優化,然後採用基於參數化有限元的ansys優化設計模塊對主次錨索永存張拉噸位進行優化,優化結果滿足應力控制要求,降低了拉錨系數。
  11. Mathematical model of structural optimization has been set according to the data got from dynamic analysis. the thickness of plates, diameter and thickness of tubes, elastic and damp coefficient of front and back vibration absorber have been optimized in modified feasible direction method. contrast with original motorcycle has been successively done

    根據動態分析得出的數據,建立結構優化的數學模型,使用改進的可行方向法,對車架和整車的板厚、管徑及其壁厚、前後減振器的彈性系數和阻尼系數等進行尋優。
  12. Firstly, the linear method is used in analyzing the finite element model of the bridge, mainly computes the stability coefficient and instability mode of the bridge, considering the constant load, the wind load and the various disadvantage load. secondly, the nonlinear stability is computed, considering the constant load to contrast the stability coefficient of the linear method with the nonlinear stability coefficient of results taking into account the geometrical nonlinearity and the double nonlinearity

    在線彈性特徵值分析中,主要計算了考慮恆載、風載、以及各種不利活載作用下的穩定安全系數以及失穩模態;在考慮非線性影響的穩定分析中,只考慮了恆載,主要是來分析對比幾何非線性、雙重非線性下的穩定安全系數與特徵值穩定安全系數的差別。
  13. Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference

    其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹系數與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心荷載作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。
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