氣孔的體積 的英文怎麼說

中文拼音 [kǒngde]
氣孔的體積 英文
volume of pores
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 4次方是 The fourth power of 2 is direction
  • : 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...
  • 氣孔 : [礦物學] blowhole; [植物學] stoma; [動物學] spiracle; pore; stigma; [冶金學] gas hole; gas pocket; [建築] air hole
  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,獲得了顯率為54 、密度為1 . 28s cm ~ 3 、抗彎強度為13 . 25mpahap人工骨材料。
  2. 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;根外部出現加厚木栓層;下陷;葉、莖部表皮毛密布,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。
  3. 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可調阻尼減振器結構和工作原理,運用流力學理論,建立了該減振器阻尼特性非線性參數化模型,模擬分析了活塞阻尼閥徑、阻尼調節徑、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影響,通過試驗測試,得到了減振器樣件阻尼特性及其可調范圍。
  4. Began with introducing the stomatic cubage of paper capillary and absorption to liquid of paper capillary, a method to study the distribution of paper ' s capillary is advanced, and based on that, the penetrating phenomena and penetrating depth are analyzed

    摘要基於紙張毛細管和紙張毛細管對液吸收等,提出了研究紙張毛細管分佈一種方法,並在此基礎上,分析了油墨滲透現象和滲透深度。
  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

    研究結論表明囊排空截面發生器類型對防護效率有重要影響,並提出對于駕、乘人員安全囊系統,小囊、小排截面和高流率發生器組合將產生最佳防護效果。
  6. 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影響程度,其中著重考慮了以下幾個參數:催化層隙率,浸漬聚集薄膜厚度,浸漬聚集半徑,浸漬聚集在催化層中分數。
  7. 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,利用填充法制備玻璃參數(率、徑分佈)可進行設計與控制,多玻璃率和徑分佈主要取決于成比及其顆粒分佈,前者與後者之間偏差取決于生坯制備及燒結過程。
  8. After synthetic evaluation to the permian reservoir, it was considered that there were deep lake facie in mazhong - heidun - shibandun structure zone, it was suitable to depositing thick carbonate rock. these cracks were developed in the zones where the stress was concentrated. these zones are fairly good oil and gas exploration areas.

    對三塘湖盆地二疊系儲層進行綜合評價后,認為:該區馬中?黑墩?石板墩一帶屬半深湖沉亞相,有利於碳酸鹽巖,儲集比較厚,並且此帶屬于應力集中變形強烈帶,故裂縫較發育,從而成為最有利油勘探區,其次有利區為牛圈湖構造帶,這主要是由牛圈湖地區顆粒溶較發育所致。
  9. 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」蒜薹髓細胞呈橢圓形,髓細胞間隙率大。
  10. The results show that : the fillers of sio2 based investment consist of sio2, al2o3 and mgo, and the binder is nh4h2po4 for sio2 based investment, the bulk density and the compression strength decrease, the apparent porosity and the thermal expansion increase, when the specimens are heated to 900 ; the fillers of al2o3 based investment consist of al2o3 and mgo, and the binder is nh4h2po4 ; for al2o3 based investment, the bulk density decreases and the apparent porosity increases when the specimens are heated to 900 ; the fillers of mgo based investment consist of mgo and al2o3, and the binder is ca cement ; for mgo based investment, the compression strength decreases and the thermal expansion increases greatly when the specimens are heated to 900

    結果表明:氧化硅系包埋料骨料是氧化硅、氧化鋁、氧化鎂,結合劑為磷酸二氫銨,其900鍛燒后顯率增加,密度下降,耐壓強度降低,熱膨脹增大;氧化鋁系包埋料骨料是氧化鋁和氧化鎂,結合劑為磷酸二氫銨,其900燒后顯率增加,密度下降,熱膨脹變化不大;氧化鎂系包埋料骨料是氧化鎂和氧化鋁,結合劑是鋁酸鈣水泥,其900燒后耐壓強度明顯降低,熱膨脹明顯增大。
  11. The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer

    擴散型消聲器由於其小、消聲性能高而廣泛應用到排噪聲降低上,其外殼對消聲器消聲性能具有重要作用.本文對此類消聲器外殼型、徑和距以及外殼同消聲材料配合方面進行了細致實驗研究,特別對外殼與消聲材料配合與其排放噪聲以及外部流場之間關系進行了探討,得到了一些有用結論,對消聲器性能提高具有一定指導意義。
  12. Soil improvers and growing media - determination of physical properties - dry bulk density, air volume, water volume, shrinkage value and total pore space

    土壤改良劑和生長劑.物理特性測定.毛干密度空量水量收縮值和總
  13. Test method for properties of investment casting ceramic core - part 1 : determination of apparent porosity, water absorption and bulk - density

    熔模鑄造陶瓷型芯性能試驗方法第1部分:顯率吸水率和密度測定
  14. Along with the rising of sintering temperature and the increasing of heat preservation time, the porosity and water absorption reduced, the density and bending strength increased, the bending strength was mostly estimated by the porosity

    隨著燒結溫度升高和保溫時間延長,顯率和吸水率逐漸減小,密度逐漸增加。抗彎強度隨著燒結溫度升高和保溫時間延長而增加,多燒結強度可以主要通過率來判斷。
  15. After 1 year, the survival rates of seedlings planted in k. candel forest, avicennia marina forest and at bare tidal flat were 54. 7 %, 13. 7 % and 76. 0 %, respectively. insect and crab feeding were the main cause of lower survivorship of k. candel seedlings under a. marina forest. among the surviving k. candel seedlings, seedlings at bare tidal flat grew much better in terms of height, diameter, leaf production and biomass than did under the a. marina forest and k. candel forest

    高鹽( 30 % 0一50 % 0 )影響桐花樹幼苗萌發; o一30 % 0鹽度下桐花樹幼苗凈光合速率、蒸騰速率和導度都表現為低鹽促進,高鹽抑制變化趨勢;無鹽條件下幼苗凈光合速率明顯低於5 ~加% 0鹽度:桐花樹胎生繁殖脫離母樹后,在隨后生長發育過程中表現為吸收累鹽分過程。
  16. In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,

    根據節能設計要求,本文用熱力學方法,並根據多介質中多相流流動描述方面最新研究成果? ?平均方程,建立了墻熱、濕和空耦合熱質傳遞模型,並推導出熱、濕和空耦合傳遞等效擴散方程;找到建築墻熱、濕及空耦合作用下熱質傳遞過程主要影響因素濕容量_ l 、壓p _ c和溫度t 。開發了單材料墻熱質傳遞數值模擬軟,用實測數據對軟進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻在熱、濕和空耦合作用下建築墻溫度和濕度分佈規律。
  17. Determination of pore volume distribution and specific surface area of solids by mercury intrusion

    用汞注入法測定固比表面分佈
  18. 2 leaflets from plants grown in the increasing salt concentrations ( up to 200mm ) became smaller and thicker, leading to the smaller ratio between superficial area and mesophyll tissue volume. in the same process, the cuticle became thickness significantly increased while stomata became less in number and smaller in area

    ( 2 )隨鹽濃度增加,葉片整逐漸變得小而厚,葉表面比值小,從而減少蒸騰面,同時角質層變厚,單位面數目減少,器面減小,都可以使植物盡量降低蒸騰速率,減少內水分散失。
  19. By the analysis of mercury injection data and physical property data of 650 sandstone and carbonate samples collected from tuha, liaohe, shengli, eerduosi, sichuan oil gas field of china and canadian oilfield, it is found that for porosity rocks, no matter they are sandstone or carbonate, their porosity and permeability ( especially for permeability ) are closely related to pore volume distribution with different throat size

    本文通過對來自我國吐哈、遼河、勝利、鄂爾多斯、四川和加拿大等地區油650個砂巖和碳酸鹽巖樣品壓汞測試資料及物性數據分析研究,成功發現了對于隙性巖石(無論是砂巖還是碳酸鹽巖) ,巖石隙度和滲透率(特別是滲透率)與巖樣不同喉大小分佈有密切相關性,並首次建立了儲層分佈反演預測模型。
  20. Insulating refractory products - determination of bulk density and true porosity

    絕緣用耐火產品.第4部分:成型產品密度和真實測定
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