permeability constant 中文意思是什麼

permeability constant 解釋
滲透常數
  • permeability : n. 1. 透過性，可透性，滲透性；滲蝕度；【航空】（氣球氣體的）透出量。2. 【物理學】磁導率，磁導系數（＝magnetic permeability）。
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  1. It is evident that the permeability is not a constant.

    顯然磁導率不是常數。
  2. Based on the lab orthogonal tests, using self - manufactured constant head permeameter, the effect of gravel content, void ratio and particle shape on the coefficient of permeability of soil - rock - mixture was studied

    本文採用室內正交實驗，利用自製的常水頭滲透儀，研究了礫石含量、孔隙比和顆粒形狀3個因素在不同水平下對土石混合體滲透系數的影響。
  3. Constant permeability alloy

    恆磁導率合金
  4. Standard test method for determining transmissivity and storage coefficient of low - permeability rocks by in situ measurements using the constant head injection test

    用恆定水頭噴射試驗現場測定低滲透性巖石的透過比和釋水系數的標準試驗方法
  5. The consolidation - permeability combined test was performed on xiaoshan clay sample using gds advanced consolidation testing system, including several stages of constant head test

    總結出4種非達西滲流模型來研究在加載條件下土的滲透性的變化規律。
  6. Standard test method for permeability of granular soils constant head

    在常水頭壓力下顆粒狀土壤滲水率的標準試驗方法
  7. The rails are affected by the skin effect for its large permeability and size. the track time constants are not constant due to the skin effect. for the calculation of the rails impedance, the method of equivalent cylindrical conductor is developed

    由於鐵軌很大的磁導率和截面尺寸，致使其阻抗在電磁暫態過程中受到了集膚效應的影響，從而使得鐵軌的時間常數在暫態過程中並非是一個常數。
  8. The condition of water pressure acting on the both sides of cement - soil retaining wall is researched by computing the seepage field around the wall. it is illustrated that the coefficient of water pressure, which isn ' t constant along the height, is affected seriously by some factors, e. g., the distribution and relative hydraulic permeability of the soil beside the wall, the hydraulic permeability of its foundation, and the buried depth of the impervious layer. as a whole, the lateral pressure acting on the wall based on seepage is always smaller than that without regard to seepage in the non - excavated zone. moreover, the pressure based on seepage is greater than that without regard to seepage in the excavated zone if the coefficient of passive pressure is smaller than 1. 176. this case is of great advantage to the stability of the wall

    通過計算水泥土擋土墻周圍的滲流場，研究了墻側水壓力的變化規律.結果表明：水壓力系數沿高程並非常數，且受到墻側土層分佈及其相對透水性、墻基土的透水性和下臥不透水層埋深等因素的嚴重影響.總體來說，考慮滲流時墻后的側壓力總小於不考慮滲流時的相應值，且當墻前的被動土壓力系數較小時，考慮滲流時該側的側壓力則大於不考慮滲流時的相應值，因此，這種情況有利於擋土墻的穩定
  9. The relation between addition content of calcined kaolin, aluminium powders and aluminum sulfate in concrete and compressive strength, slump constant, 30min slump and permeability altitude were studied, and according to the experiment results, the component percent contents of crack - resistant and water - repellent admixture in cement were determined as following : calcined kaolin 6 %, aluminum sulfate 4 % and aluminium powders 0. 005 %

    通過對煅燒高嶺土、鋁粉、硫酸鋁在混凝土中摻量對其抗壓強度、初始武漢理工大學碩士學位論文坍落度、 3omin坍落度保留值及透水高度的影響，確定了配製抗裂防水外加劑的各組成成分以其占水泥質量的百分比分別為:鍛燒高嶺土6 % ，硫酸鋁4 % ，鋁粉為0 . 005 % 。
  10. Waste - determination of the permeability coefficient of land by constant load infiltration test in a borehole

    廢棄物.通過在一個鉆孔上的恆負載滲透試驗來測定地面的滲透系數
  11. Constant head permeability test

    常水頭滲透試驗
  12. Constant head permeability

    常水頭滲透試驗
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