natural permeability 中文意思是什麼

natural permeability 解釋
原始滲透率
  • natural : adj 1 自然界的;關于自然界的。2 天然的;未開墾的;野生的。3 固有的 生來的 天賦的(opp acquired)...
  • 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. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  2. A natural escape of hot fluids from the steam reservoir should be prevented by cap rocks with low permeability.

    只要存在通透性能低的蓋層,蒸氣儲放熱流體就不會自行外逸。
  3. Natural leather, colloquially called “ enuine leather ” being made mainly of the mammal leather, with intact natural grain kept on the surface, its coating layer thin, its permeability good, without any process to cover up something imperfect, acquires the most natural effect

    天然皮革俗稱「純皮」 ,主要是由哺乳動物皮加工而成,皮面上保留了完好的天然狀態,塗層薄、透氣性好、不加任何掩飾的加工,得到最貼切自然質感的效果。
  4. Based on corresponding relationship of gaussian curvature to macrofractures in coal seam and permeability, the classification criteria of gaussian curvature method for forecasting natural fracture zones is put forward

    在分析高斯曲率與試井滲透率、煤層宏觀裂隙的對應關系的基礎上,提出了高斯曲率法的裂隙發育區分類標準。
  5. The case study shows the reason that for low permeability reservoir, oil well and water injection well should be spaced where natural fractures are developed in order to reach helter production response

    計算實例從理論上說明了低滲透油藏中,油水井部署在天然裂縫發育處開發效果較好的原因。
  6. The improper excavating will bear capacity, water permeability, natural structure and geological structure worsenning the base rock of foundation., this ca n ' t be allowed to the water conservancy project building, especially to block water building. lt will not only increase the expenses happened of the remedy measure, but also lengthen building straight line time limit for a project of construction

    開挖不當將降低基巖的承載能力、增大基礎的透水性、惡化基巖的天然結構和地質構造,這對於水工建築物,特別是擋水建築物是不能允許的,同時將會增加採取補救處理措施所發生的費用,延長建築物施工直線工期。
  7. The tritium permeability in 316l with films was measured at various temperatures, the results show that the tritium permeability in 316l with tin and natural oxide film are 2 orders of magnitude lower, that in 316l with sio2 is 3 - 4 orders of magnitude lower, that in 316l with tin + tic + tin is 4 - 5 orders of magnitude lower, and that in 316l with tin + tic + si02 is 4 - 6 orders of magnitude lower than that in 316l with pd film, at 200 - 600 ?

    測量了不同溫度下的帶膜316l的氚滲透率,發現在200 600范圍內,鍍tin膜與帶天然氧化膜的316l性能相近,均比鍍鈀316l降低2個數量級。鍍sio2膜比鍍鈀316l降低了3 4個數量級,鍍tin + tic + tin膜降低4 5個數量級,鍍tin + tic + sio2膜降低4 6個數量級。
  8. 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。
  9. Among them, the uncompetent pelitic series are cleaved in the srong - deformation zone with relatively high temperature, high pressure ; with weak hydrofracturing, the competent sodium - rich series dilatacying and forming microfracture ( ie, embryonic fracture ) in the core of the weak - deformation demain, which is a natural lens - like pumping centre with relatively low temperature, low pressure and high permeability

    強變形帶中的非能幹性泥質巖系強烈劈理化,為相對高溫高壓帶;弱變形域內的能幹性鈉質巖系則伴隨弱水力壓裂作用發生擴容,形成雛形斷裂的微裂隙,同時,它是一個相對低溫、低壓、高滲透率的透鏡狀天然泵吸中心。
  10. Utilizing completely natural high - standard material, nb - element magnetic far - infrared functional textile product has advantages including good air permeability, soft and comfortable texture, static - free and high moisture rate five times of chemical fiber. thus, it is able to offer customers with cozy and dry raiment and bedclothes. 5

    Nb素加磁遠紅外功能織物產品採用純天然高檔面料精心製成,其透氣性好柔軟舒適無靜電其吸濕率是化學纖維的5倍,令皮膚感到舒適乾爽,穿著鋪蓋倍感舒適。
  11. According to the criteria, natural fracture zones of no. 3 coal seam are divided into four grades and then the permeability distribution of no. 3 coal seam is preestimated

    依據該標準將3號煤層天然裂隙劃分為4級發育區,進而預測出3號煤層滲透率的分佈概況。
  12. Many materials, including plasmas and metals, have a negative permittivity, but no natural substance has a negative permeability as well

    許多物質的介電常數為負,包括電漿及金屬等,但在自然界中,卻沒有任何物質的磁導率也同時為負。
  13. A systematic study is conducted on engineering behaviors of residual soil, failure mechanism of residual soil slope and mechanism of natural flow slides triggered by rainstorm in jiang jia drainage area. to investigate engineering properties of disturbed soils, a series of tests, including grain - size analyses, permeability tests, direct shear tests and dynamic iriaxial lest is performed on specimens

    本文在總結熱帶坡殘積土地區暴雨滑坡轉化成泥石流的研究現狀和進展的基礎上,對雲南東川市蔣家溝地區坡殘積土的工程特性、暴雨條件下斜坡土體的破壞機理、暴雨滑坡轉化成泥石流的形成機理和形成過程進行了較為系統的研究。
  14. The permeability of the skin of a building towards light, heat and air, and its transparency must be controllable and capable of modification, so that it can react to changing local climatic conditions ( solar screening, protection against glare, light deflection, shading, temporary thermal protection, adjustable natural ventilation )

    建築表皮對于光,熱和空氣的可滲透性,和它的透明度必須可以控制並且能夠得到調整,因此它能夠作出反應改變局部氣候條件(太陽遮擋,防護太陽發出的眩光,光的偏斜,留下的陰影,暫時熱保護,可調整的自然通風)
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