hydraulic permeability 中文意思是什麼

hydraulic permeability 解釋
滲透性能
  • hydraulic : adj. 1. 水力的,液力的;用水發動的。2. 液壓的,水壓的。3. 水力學的。4. 【建築】水硬的。adv. -lically
  • 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)。
  1. In addition, this paper carry out successfully the support design practice in the preceding excavation of 4km long exploratory tunnel. according to the thesis research results, the following conclusion can be drawn. if the grouting rock can possess sound anti - seepage capability and the liner structure can hold higher hydraulic permeability relatively, and if the adjoining rock can be made as primary load - bearing structure by construction measure, the stability of country rock and the safety of liner structure will be guaranteed

    計算結果表明,如果能使錦屏工程引水隧洞灌漿圈圍巖具有較好的防滲性能,將高外水壓力控制在灌漿圈以外,再配合透水性相對較好的支護結構以及排水措施,使灌漿圈圍巖成為主要承載結構,並使襯砌結構和灌漿圈共同承載,是可以保證圍巖的穩定和支護結構安全的。
  2. ( 4 ) the maximum water quantity becomes greater, the better is the filtering bed permeability, the higher the river hydraulic conductance, the higher the river level, the larger the water - collecting area and the bigger the distance between collecting pipes. the water quantity varies directly with drawdown

    ( 4 )濾床的滲透性能越好,河床水力傳導系數越高,河水水位越高,取水面積越大,取水管之間的間距越大,則最大取水量越大;水位降深與取水量成正比關系。
  3. Salt treatment had effects on growth, succulence and some physiological parameters. in present study, suaeda salsa seedlings were treated with different salts and isoosmotic peg to examine the succulence and some physiological parameters. the hydraulic conductance ( lo ) of the roots, the water permeability of protoplasts and western blot analysis of aquaporins in plasma membrane and tonoplast under nacl were determined

    本實驗以鹽生植物堿蓬幼苗為材料,用不同的鹽及與nacl等滲的peg處理,測定肉質化及有關生理指標,並測定nacl處理下植物根的導水性,原生質體的水滲透性,並在分子水平上進行了細胞質膜及液泡膜水孔蛋白免疫雜交分析。
  4. Abstract : the author provides a method for solution of hydraulic tortuosity factor with gas permeability in cores according to the definition of hydraulic tortuosity factor and relations between pore radius porosity and permeability in porous media and give examples of some applications in reservoir experimental studies

    文摘:根據水力學迂曲度因子的定義以及迂曲度因子與多孔介質中孔隙半徑、孔隙度、滲透率的關系,提出了一種利用氣測巖心滲透率求取巖心水利學迂曲度因子的方法,並例舉了其在油藏實驗研究中的幾種應用情況。
  5. Determination of gas porosity and gas permeability of hydraulic binders containing embedded radioactive waste

    含有包埋放射廢物的液壓粘合劑氣孔和透氣性的測定
  6. Methods of test for soils for civil engineering purposes - consolidation and permeability tests in hydraulic cells and with pore pressure measurement

    土木工程用土壤試驗方法.第6部分:在液壓壓力盒內並且用孔隙壓力測量進行固結和滲透率試驗
  7. Based on the nonlinear relationship of permeability velocity and hydraulic gradient, four non - darcy seepage models were summarized to investigate the permeability behavior of soft soil under consolidation pressure

    摘要針對傳統固結理論不能考慮非達西滲流的不足,研究了滲流速度與水力梯度的非線性關系。
  8. In structural engineering, hydraulic concrete is often used for the construction of a cyclical bear or fresh water, sea water or ice scour, erosion, and the knock - on effect on the permeability of concrete used hydraulic structures, it has special requirements and regulations

    摘要在工程結構中,水工混凝土是用以修建經常或周期性的承受淡水、海水或冰塊的沖刷、侵蝕、滲透和撞擊作用的水工建築物所用的混凝土,其有特殊的要求和規定。
  9. At the fixed temperature level, both the permeability and hydraulic conductivity of sandstone decrease with the increasing effective stress, following the law of negative exponent. at the fixed effective stress level, however, the function between hydraulic conductivity and temperature is not a monotone one

    在溫度一定的條件下,砂巖的滲透率和水力傳導系數均隨有效應力的增加而呈負指數規律減小,但在有效應力一定的條件下,水力傳導系數與溫度之間的關系函數並非單調函數。
  10. The surface of natural fracture ( crack ) is parallel to the orientation of maximum principal stress. the principle orientation of anisotropic permeability reservoirs agrees with the orientation of the maximum principle stress. many engineering problems ( e. g. bore - hole stability, casing deformation failure during drilling, reasonable arrangement of wells, the optimum design of hydraulic fracture and so on ) are influenced by the in - situ stress orientation

    天然裂縫面和裂隙面與最大主應力方向平行;在各向異性低滲透率油田中主滲透率方向與最大水平主應力方向趨向一致:在鉆井過程中井壁穩定性,套管變形和損壞,油田開發井網合理布置、水力壓裂優化設計等都與地應力方向有關。
  11. Standard test method for fineness of hydraulic cement by air permeability apparatus

    用透氣性儀器測定水凝水泥細度的標準試驗方法
  12. The hydraulic fracturing technology has been developed into a reliable and practical method to determine the in - situ stress slate of underground caverns, self - bearing capability of wall rock of high - pressure cavern and the high - pressure hydraulic permeability of rock mass, which has been widely used in the disposal of nuclear waste, the long and deeply - buried communication tunnels and the high - pressure caverns of hydraulic power plant

    摘要水壓致裂技術現已發展成為確定地下洞室二維原地應力狀態、高壓洞室圍巖的自身承載能力以及巖體高壓透水性的可靠實用方法,並已經在核廢料處置、長大深埋交通隧道以及水電站高壓力洞室工程中得到廣泛應用。
  13. According to the hydraulic - mechanical coupling theory, the paper puts forward a method to predict the wall rock permeability for tunnels with superthick overburden

    以水力耦合理論為基礎,該文提出了一種超深隧道圍巖滲透性預測方法。
  14. 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
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