porosity thickness 中文意思是什麼

porosity thickness 解釋
孔隙地層厚度
  • porosity : n. 1. 多孔性。2. 【物理學】孔積率;孔度,隙度。3. 多孔部分;多孔結構;多孔的東西。
  • thickness : n 1 厚;粗;厚度;粗大。2 濃度,濃厚,黏稠。3 密度;稠密。4 模糊不清,多煙霧,混濁。5 愚笨;遲鈍...
  1. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。
  2. Washing can remove dirt from papermaker ' s felt, recover its elasticity and thickness, improve its straining ability, water content and porosity, and prolong service life

    摘要洗滌可以除掉黏附於毛毯表面及積存在毛毯內的污垢,恢復毛毯的彈性和松厚度,從而保持毛毯良好的濾水性、含水率和透氣度,延長毛毯的使用時間。
  3. The results indicate : ( 1 ) the photocatalytic activity and hydrophilicity of tio2 film are affected by the factors of thickness, porosity and heat - treated temperature which lead to the changes of the hydroxyl content, adsorbability and surface roughness of the film

    熱處理溫度、薄膜厚度、孔隙率等因素對摻銀的tio :薄膜、 tioz一snoz 、 tioz一fezo3復合薄膜光催化和親水性能的影響與對純tio :薄膜的影響相似。
  4. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池( dmfc )陰極氧氣的傳遞和電化學反應過程,研究了過電位-電流密度曲線受陰極結構參數變化的影響程度,其中著重考慮了以下幾個參數:催化層的孔隙率,浸漬聚集體薄膜的厚度,浸漬聚集體的半徑,浸漬聚集體在催化層中的體積分數。
  5. Electropolymerization methods have some attractive features including the easy adherence of the polymeric films to the surface of conducting electrodes of any shape and size and the ability to control thickness and porosity of the films by adjusting scan rate and time during electropolymerization

    用電聚合法制備分子印跡已有報道。通過調節聚合速度和聚合時間可以得到不同疏密程度的電聚合膜,並且電聚合膜可以在任何形狀和大小的導電電極表面上形成。
  6. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象,考慮滲流與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明,高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  7. Centrifugal casting , compact structure , free from pinhole porosity and slag , smooth surface and even wall thickness

    高速離心鑄造,組織緻密,無砂眼、夾渣,表面光滑、壁厚均勻。
  8. Fabricating the nanoporous silicon membrane with nanotechnology and bio - mems technology, the thickness of membrane, pore size and distribution, geometry shape and porosity can precisely controlled

    摘要採用納米技術和生物微電子機械繫統技術制備納米多孔硅膜,可準確控制膜的厚度、幾何形狀、孔大小、孔分佈和孔隙率。
  9. Among these physical properties are appearance, wear resistance, hardness or brittleness, residual stress, porosity, thickness, and deposit uniformity.

    這些物理性能有外觀,抗磨損性,硬度或脆性,殘余應力,孔率,厚度和沉積層的均勻度。
  10. The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration

    邊界層反映了儲層、流體物性條件(儲層孔隙度、滲透率、流體粘度、組分)和開發條件(壓力梯度)的綜合影響,認為邊界層厚度隨著毛管半徑的增大而減小;在毛管半徑相同的情況下,邊界層厚度隨壓力梯度的增大而減小,最後達到一個臨界值;毛管半徑一定時,邊界層厚度隨粘度增加而增大;極性組分含量越大,吸附越明顯,邊界層厚度越大;邊界層厚度越大,非達西滲流特徵越明顯。
  11. Temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    對空心鋼錠凝固過程的溫度場進行了有限元分析,對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比,並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  12. Abstract : temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    文摘:對空心鋼錠凝固過程的溫度場進行了有限元分析,對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比,並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  13. The membrane layer is formed by the vacuum forming technology. by controlling the weight and the ratio of long path of ceramics fiber, changing the operation factor reasonably of vacuum forming, we can obtain the ceramic fiber composite membrane layer, which has pore diameters of about 5 to about 30um, porosity i s 50 - 80 %, and tensile strength is about 4. 1to 18. 1mpa and thickness of membrane layer is 0. 5 - 2 mm, has the good thermal shock resistance and peal off

    膜層採用真空抽濾成型工藝,通過控制膜組分中陶瓷纖維長徑比、纖維加入量、成型時料漿濃度、成型壓力及成型時間等可以獲得膜孔徑5 ? 30 m 、氣孔率50 ? 80 、抗折強度4 . 3 ? 18mpa 、膜層厚度0 . 5 ? 2mm 、具有良好熱性能和耐剝離性能的陶瓷纖維復合微濾膜材料。
  14. 3d - c / sic fabricated with t300 carbon fibers weaved into 3 - dimensional and 4 - directional structure, was deposited pyrocarbon and sic matrix at 950 - 1000 with cvi method. fiber volume fraction of 3d - c / sic was 40 - 45 %, composite density was 2. 01g / cm3 and porosity was 17 %. in addition, the thickness of pyrocarbon interface was 200 nm for interaction fatigue - creep ; the interface layer of pyrocarbon for thermal shock had three thickness obtained by controlling deposition time which were 10h, 20h, 30h, respectively

    3d - c sic是用t300碳纖維編織成三維四向編織體, cvi法在950 - 1000緻密,纖維體積分數為40 - 45 ,密度為2 . 01g cm ~ 3和孔隙率為17 ,用於疲勞蠕變交互作用試驗熱解碳界面層厚度約0 . 2 m ;用於熱震試驗的有三種界面層厚度分別是熱解碳沉積時間10小時、 20小時、 30小時獲得。
  15. The pretreatment, effect of bath compositions and operation conditions such as temperature, currenty and time on compactness of the zinc and cu / ni / cr coatings have been investigated. the relationship of operation conditions to thickness of the coatings was studied by weight method. the specimens have been pickled in nacl or sulfate acid solution to evaluate the porosity of the coating

    研究了鎂合金電鍍前處理工藝,電鍍鋅、電鍍銅/鎳/鉻工藝配方及其施鍍溫度、電流密度和時間對鍍層緻密性的影響;採用稱重法研究施鍍工藝與鍍層厚度的關系,利用nacl溶液和硫酸溶液浸泡試樣來考察鍍層孔隙率,採用劃痕試驗和熱震試驗檢驗鍍層的結合力,採用金相顯微鏡和掃描電子顯微鏡觀察鍍層表面形貌。
  16. In order to make clear the effects of fe3o4 on composite film structure, the thickness, porosity, average and maximum pore size, pore size distribution of different films are measured. surface morphology is studied by scan electronics microscope ( sem ). the characterizing results of film micro - morphology showed that pore structure of fe3o4 / pvdf composite film were better than those of pvdf host film

    為進一步分析fe3o4的原位生成對復合膜結構的影響,測定了pvdf基膜和復合膜的膜厚;採用干濕膜重法測試了膜樣品的孔隙率;採用泡點壓力法流體滲透法相結合,對比測試了膜樣品的最大孔徑、孔徑分佈及平均孔徑;通過掃描電子顯微鏡( sem )照片分析,對比研究了pvdf基體膜和fe3o4 / pvdf復合膜的表面形貌。
  17. Compared with host film, thickness and porosity of composite film change not much, while average and maximum pore size decrease, and pore size distribution range become narrow. further more, controlling reaction time can control the content of in - situ transforming fe3o4

    結果表明,採用膜相滲透原位化學轉化法合成制備的fe3o4 / pvdf復合膜,其膜厚、孔隙率與原來的pvdf基體膜相比變化不大,平均孔徑、最大孔徑則有明顯減小,孔徑分佈范圍變窄,孔徑更趨于均勻,膜孔形態更為規整。
  18. The function of diffusion layer and hydrophobic layer is affected by channel and depends on the pore diameter, the porosity and the thickness of diffusion layer and catalyst layer

    擴散層和疏水層對氣體作用的結果受流道影響,取決于孔徑、空隙率和厚度的變化。
  19. By the research of homemade asphalt ( modified asphalt ) used on the trial - section, we get the requirements that asphalt should meet to when used in the region of littoral of zhejiang province. by the research of porosity, degree of compaction and the marshall test of asphalt concrete, we elicit that the best thickness of asphalt film for ac - 25 is about 9 m, and for ac - 16 is about 8 m, and for ac - 13 is about 8 m

    通過對試驗路瀝青混凝土配合比試驗研究得出, ac ? 25型瀝青混凝土的瀝青膜厚為9 m左右時,瀝青混凝土的綜合性能較好; ac ? 16型瀝青混凝土的瀝青膜厚為8 m左右時,瀝青混凝土的綜合性能較好; ac ? 13型瀝青混凝土的瀝青膜厚為8 m左右時,瀝青混凝土的綜合性能較好。
  20. This model can be used to determine the permeability, porosity, net pay thickness and ogip without chart matching

    運用該方法不需要進行圖版擬合就可以確定出異常高壓氣藏的滲透率、孔隙度、有效厚度和地質儲量。
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