相對密度 的英文怎麼說

中文拼音 [xiāngduìmìdù]
相對密度 英文
density ratio
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

    提出了一種含4個材料常數的亞彈性本構模型，來描述散粒體在加載時的力學行為，本模型的分析結果與不同相對密度下標準砂的三軸實驗可較好地吻合，能反映散粒體的剪縮、剪脹現象，還對如何用三軸實驗數據來確定這4個材料常數，給出了適宜的計算方法。
  2. Liquified petroleum gases - calculation of vapour pressure and relative density and octane number

    液化石油氣蒸氣壓和相對密度及辛烷值計演算法
  3. The analysis indicates that micropacking silica fume works to the density and relative density of rpc, and its pozzolanic effect helps the strength of rpc

    硅灰的微填充效應有利於提高活性粉末混凝土的密度和相對密度，而火山灰效應有利於提高其強度。
  4. W - cu composites prepared from the precipitation w - cu powder have higher sintered density, better mechanical and physical property, more homogeneous and finer microstructure than those prepared from w - cu powder by the balling - reduction method. in chapter 5, a combination of homogeneous precipitation and ball - milling process, namely the mechano - thermochemical process was employed to prepare ultra - fine w - cu powder

    其中，球磨w一cu復合粉（ hp一m ）壓坯在1150下燒結30min后，可獲得相對密度大於99 %的幾乎全緻密的超細晶粒w一cu復合材料， w的顆粒度小於0 . 5林m 。
  5. Isolate and synthetic aroma chemicals - determination of relative density

    單離及合成香料相對密度的測定
  6. Abstract : applying the theory of linear and nonlinear regression, the mathematical model of the intelligent measuring system of the flow of asphalt, which describes the relationship among volume coefficient, temperature and relative density of asphalt material is studied. the nonlinear mathematical model for this relationship is set up and the precision of the model is brought up

    文摘:應用線性及非線性回歸理論對瀝青流量智能測試系統的數學模型瀝青材料的體積系數與溫度及相對密度的相關關系進行了研究；建立了該相關關系的非線性數學模型，並給出了模型的精度
  7. Standard test methods for relative density of gaseous fuels

    氣體燃料相對密度的標準試驗方法
  8. Liquid flow in open channels - sediment in streams and canals - determination of concentration, particle size distribution and relative density

    明渠水流.河河渠泥沙.含沙量粒度分佈和相對密度的測定
  9. Standard test method for density or relative density of light hydrocarbons by pressure hydrometer

    用壓力液體比重計測定輕烴類物質的密度或相對密度的標準試驗方法
  10. Test study on the effective relative density of aggregate

    集料有效相對密度試驗研究
  11. Test method for density and relative density of plastics

    塑料密度和相對密度試驗方法
  12. Method of testing for relative density of gas in urban area

    城市燃氣相對密度測定方法
  13. Determination of apparent relative density of coal

    煤的視相對密度測定方法
  14. Tobacco flavor. determination of relative density

    煙用香精.相對密度的測定
  15. Test methods for density and relative

    纖維增強塑料密度和相對密度試驗方法
  16. Essential oils. determination of relative density

    精油相對密度的測定
  17. Fruit and vegetable juices. determinationof the relative density

    水果和蔬菜汁.相對密度測定
  18. Determination of relative density of foods

    食品的相對密度的測定
  19. Test method for density and relative density of liquids by digital density meter

    用數字式密度計測定液體密度和相對密度的方法
  20. Test methods of ceramic tiles - part 3 : determination of water absorption, apparent porosity, apparent relative density and bulk density

    吸水率顯氣孔率表觀相對密度和容重的測定
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