permeability coefficient 中文意思是什麼

permeability coefficient 解釋
磁導系數
  • 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)。
  • 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. Chloride ion permeability coefficient of c20 concrete and c30 concrete reduces after concrete surface is treated by reinforcing agent, and soakage reduced too. so the impermeability and carbonization resistance of concrete, especial c20 concrete, increase

    塗刷耐久性增強劑后, c20和c30混凝土的氯離子擴散系數降低,吸水量減小,抗滲和抗碳化性能提高,其中,對c20混凝土的效果更為明顯。
  2. The heat transfixion will be increased remarkably if the permeability coefficient ratio is too small

    過小的滲透系數比顯著加快系統的熱貫通。
  3. In respect of thermal transfixion, the permeability coefficient ratio determines the success or failure of gwhpprsw

    從熱貫通的角度來說,滲透系數比是同井回灌地下水源熱泵系統工程成敗的關鍵。
  4. The value of mean pumping and recharging drawdown is linear to the logarithm of permeability coefficient ratio ( horizontal / vertical )

    抽、回水口的平均降深與滲透系數比的對數基本成線性關系。
  5. ( 2 ) when tunnel water is blocked up fully behind the lining, water pressure on the lining will reach maximum at last so long as surrounding rock near the lining is infiltrative no mattter how much the permeability coefficient of surrounding rock is

    ( 2 )隧道採用完全不排水措施時,只要襯砌附近的圍巖滲水,襯砌背後與含水圍巖有水力聯系,不論滲透系數多大,襯砌背後最終水壓會達到靜水壓,計算時水壓不宜折減。
  6. The rule about water flow in the unsaturated soil and the soil - water characteristic curve are described in this thesis in the first time step during the numerical simulation, the permeability coefficient is calculated according to the initial water content of the unsaturated soil, because of as shown in the soil - water characteristic curve has the hysteresis phenomenon

    闡述了非飽和土中水流動的基本規律和土水特徵曲線。由於土水特徵曲線具有滯后的特點,提出了根據初始含水量來確定數值模擬初始時步非飽和土的滲透系數。
  7. Practices show that the compressive strength, the modulus of elasticity, the permeability coefficient and the compactness of concrete obtained respectively by the compaction method, the unconfined compression static compaction method, the sand trenching and filling method, and nuclear densimeters meet the requirement of design, and the mixing proportion of concrete of the side - wall is reasonable

    實踐證明施工中用擊實法、無側限抗壓靜力壓實法、挖坑灌砂法及核子密度儀分別檢測出的邊墻混凝土抗壓強度、彈性模量、滲透系數和密實度值均滿足設計要求,邊墻混凝土配合比合理。
  8. Permeability coefficient tested by tension method is about 10 times of that by pressure method, which indicates that water can permeate into concrete easily under tension

    通過研究張力法下水在混凝土中的滲透發現:水在張力法下更容易滲透,張力法下的滲透系數比水壓法下大一個數量級。
  9. Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method

    通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性,滲透高度及滲透系數與氯離子擴散系數的相關性較好。
  10. Water permeability coefficient

    水滲透系數
  11. A lot of results are made from calculating of case for geothermal reservoir property of earth energy within 200 2000 ( m. ) , it is helpful to analysis influence of permeability coefficient, kinematic viscosity and thermal diffusion coefficient of soils and rocks on heat transfer performance

    在地表熱能熱儲物性為200 - 2000 ( m . )的范圍內進行的理論計算,得到了許多重要結果,為分析巖土層滲透系數、流體運動粘度和導溫系數等對傳熱量的影響打下了良好基礎。
  12. The proposition of this error formula offers a new method for calculating the permeability coefficient of the fractured rock mass by permeability tensor

    該誤差公式的提出為修正利用滲透張量計算裂隙巖體滲透系數提供了一種新的思路和方法。
  13. It is one of the most extensively used methods to calculate the permeability coefficient of the fractured rock mass by the way of permeability tensor

    摘要利用滲透張量法求取裂隙巖體的滲透系數是目前在求取裂隙巖體滲透系數中運用最廣泛的方法之一。
  14. This paper puts forward the main influence factors to calculate the error of the fractured rock mass permeability coefficient using the permeability tensor on the basis of analyzing the fractured rock mass permeability tensor formula, and also discusses their impact on the calculation result in detail

    作者在分析裂隙巖體滲透張量計算公式的基礎上,提出了利用滲透張量求取裂隙巖體滲透系數的誤差的主要影響因素,詳細論述了各因素對計算結果的影響。
  15. Waste - determination of the permeability coefficient of piece of land by variable load test in an open cased well

    廢物.在敞口井中進行變換載荷試驗測定一塊土地的滲透系數
  16. Abstract : the comprehensive fem analysis for the shimen arch dam and its abutment is carried out as an example to demonstrate the proposed method utilizing the monitoring data for calculation. based on teh back analysis of permeability coefficient and tensile strength of the seam between dam and foundation, the 3 | d seepage flow and elastoplastic fem analysis of arch dam and its abutment are conducted. the safety factor against sliding of arch dam is determined using some different methods to verify the stability of the dam

    文摘:本文以石門拱壩為例,說明基於原觀資料進行拱壩及其基礎的綜合分析的方法.內容包括:在反演擬合滲透系數和壩與基巖接觸面的抗拉強度參數的基礎上,進行壩址區三維滲流場分析、拱壩與基礎的三維線彈性、彈塑性力學分析,並用多種方法探求了拱壩抗滑穩定安全系數
  17. Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels

    接著,本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上,建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型,然後考慮隧洞的開挖過程、水荷載的作用歷史,通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。
  18. The factors affecting the permeability coefficient are investigated, and the mass transfer model across the supported liquid membrane is established, by which the mass transfer is simulated

    考察了各因素對滲透系數的影響,並對傳質滲透過程進行模擬。同時建立了支撐液膜中的膜相流失行為的動態膜阻抗監測方法。
  19. Rock permeability coefficient inversion method based on hybrid algorithm

    基於混合優化演算法的巖體滲透系數反演方法
  20. The permeability coefficient is the key factor to pumping and injection

    滲透系數大小是抽水和回灌難易程度的決定因素。
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