孔體積 的英文怎麼說

中文拼音 [kǒng]
孔體積 英文
pore volume
  • : 體構詞成分。
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  1. The material was sintered at 1050 for three hours to get the porous artificial bone, that its apparent porosity was54 %, its volume density was 1. 28 g / cm3, and its bending strength was 13. 25mpa. the results showed that the sintering temperature was reduced by adding bioglass

    本研究採用含生物玻璃前驅粉末原料,添加檸檬酸造劑,模壓成型,在1050燒結保溫3小時,獲得了顯氣率為54 、密度為1 . 28s cm ~ 3 、抗彎強度為13 . 25mpa的多hap人工骨材料。
  2. Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity

    本文首先基於berg提出的層狀泥質或分散泥質砂巖有效介質hb電阻率模型,並在總隙中考慮粘土結合水的,但不考慮粘土結合水與地層水導電性的差別,而將粘土結合水與地層水的導電性差別歸結到粘土顆粒導電中,建立了混合泥質砂巖有效介質通用hb電阻率模型。
  3. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根系逐漸發達;與葉面比逐漸增大;表皮細胞變小;角質層增厚;根外部出現加厚的木栓層;氣下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖維細胞數目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。
  4. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分式充氣可調阻尼減振器的結構和工作原理,運用流力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥徑、阻尼調節徑、氣室初始、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。
  5. The research indicated that the airbag volume, vent hole size and gas generate mass flow rate exert dominant influence on the protection effectiveness of the occupants. the paper pointed out that small airbag volume, small vent hole size and low gas generate mass flow will provide the occupants with best protection in the mini - van frontal crash

    研究結論表明氣囊、氣囊排氣空截面和氣發生器類型對氣囊的防護效率有重要影響,並提出對于駕、乘人員安全氣囊系統,小氣囊、小排氣截面和高氣流率的發生器的組合將產生最佳防護效果。
  6. Influences of initial damage on development of spalling damage have been indicated by analyzing the distribution of void number density, the cumulative percentage of void volume and the volume fraction of the different - seize voids

    通過分析洞數密度分佈、百分比、不同大小洞所佔份額的計算結果,指出初始損傷對損傷演化有直接影響。
  7. Research on the effect of aggregate porosity on asphalt absorption and mixture ' s volume performance

    集料隙對瀝青吸收和混合料性能影響
  8. 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:催化層的隙率,浸漬聚集薄膜的厚度,浸漬聚集的半徑,浸漬聚集在催化層中的分數。
  9. Test methods for natural facing stones part 3 : test methods for bulk density, true density, true porosity and water absorption

    天然飾面石材試驗方法第3部分:密度真密度真氣率吸水率試驗方法
  10. Testing methods for the volume density, general porosity and water absorption of bonded abrasive products

    磨具密度總氣率和吸水率.試驗方法
  11. Pore parameters ( porosity and distribution of pore diameter ) of porous glass prepared by filler principle were measured and analyzed. they were mainly determined by the volume ratio and the particle diameter of the pore former in the green body. preparation and sintering process of the samples resulted in the difference between the porosity and the volume ratio of the pore former. they were also responsible for the deviation between the distribution of poer diameter and the particle diameter of pore former

    研究表明,利用填充法制備的多玻璃的參數(氣率、徑分佈)可進行設計與控制,多玻璃的氣率和徑分佈主要取決于成劑的比及其顆粒分佈,前者與後者之間的偏差取決于生坯制備及燒結過程。
  12. Methods of test for masonry units - determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing

    磚石結構的試驗方法.流靜態稱重法對陶土磚石結構隙百分率和凈的測定
  13. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上,運用礦料法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和隙率之間的關系,並回歸出礦料關鍵篩通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  14. The results indicated that ( 1 ) " longxianhuosuan " presented more regular and more densely - arranged epidermal cells in its scapes than " gailiangsuan " ; ( 2 ) " longxianhuosuan " showed a lower stomata number but a larger stomatal aperture in its scape surface than " gailiangsuan " ; its scapes had a great number of secretory cells, which had a larger size and appeared earlier ; its scapes presented a smaller number of vascular bundles with smaller diameters ( 3 ) " longxianhuosuan " had polygonal cells in its scape pith with their intercellular space occupying a small proportion while " gailiangsuan " showed elliptical cells in its scape pith with their intercellular space occupying a high proportion

    結果表明: ( 1 ) 「隴縣火蒜」比「改良蒜」蒜薹的表皮細胞形狀規則,排列緻密;角質層較薄; ( 2 ) 「隴縣火蒜」比「改良蒜」蒜薹表面的氣數量少,但開張度大;分泌細胞出現早、大、數量多;維管束數量少、直徑小; ( 3 ) 「隴縣火蒜」蒜薹髓細胞衛多邊形,髓細胞間隙率小,而「改良蒜」蒜薹的髓細胞呈橢圓形,髓細胞間隙率大。
  15. Cellular plastics - determination of volume percentage of open and closed cells of rigid materials

    硬質泡沫塑料開與閉孔體積百分率試驗方法
  16. Standard test method for determining micropore volume and zeolite area of a catalyst

    測定催化劑微孔體積和沸石區域的標準試驗方法
  17. The helo chimney flue is light, durable and easy to install

    Helo煙囪的氣孔體積輕巧耐用容易安裝
  18. The adsorption theory of micropore inorganic materials was studied to direct the preparation of tsous by organic / inorganic nano composite materials. the microstructure of tsous was established based on the theory that the micropore is filled during the process of micropore materials adsorption

    研究了微無機材料的吸附理論,提出微材料的吸附過程相當于工質材料對微的充填,其孔體積均為吸附空間。
  19. Vp pore volume of porous

    填充劑的孔體積
  20. Based on a discussion about the composition, microstructure and role of bone tissue, the requirements that artificial bioactive bone should meet are discussed, a simplified method of bone microstructure is put forward, an internal microstructure model for artificial bioactive bone is established the model is a structure with multi - holes, large area and volume

    在闡述骨組織的組成、結構和功能的基礎上,分析了具有活性的人工骨其內部結構應具備的條件,提出了骨內部微細結構的簡化方法,建立了人工骨內部微細結構的模型。該模型是一個多、多空隙的結構,有較大的表面孔體積
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