porosity volume 中文意思是什麼

porosity volume 解釋
孔隙量
  • 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。
  • volume : n. 1. 卷，冊；書籍；【歷史】書卷，卷軸。2. 〈常 pl. 〉大塊，大量，許多。3. 體積；容積；分量，額；【物、樂】音量；強度，響度。
  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體粉末原料，添加檸檬酸造孔劑，模壓成型，在1050燒結保溫3小時，獲得了顯氣孔率為54 、體積密度為1 . 28s cm ~ 3 、抗彎強度為13 . 25mpa的多孔hap人工骨材料。
  2. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中，在水化硬化過程中生成一定量的微膨脹結晶體，降低空隙率，改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下，使混凝土產生0
  3. Research on the effect of aggregate porosity on asphalt absorption and mixture ' s volume performance

    集料孔隙對瀝青吸收和混合料體積性能影響
  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. Compared to stipa bungeana grassland and fallow ground, the volume weight was smaller, total porosity and capillary porosity were higher, but non - capillary porosity was lower. 2. achnatherum splendens height increased slow in the initial stages, fast from june to august and slow again after that

    芨芨草草地土壤容重較本氏針茅草地和裸地小，各層的總孔隙度和毛管孔隙度明顯高於本氏針茅草地和裸地，但非毛管孔隙度較本氏針茅草地和裸地低。
  6. Testing methods for the volume density, general porosity and water absorption of bonded abrasive products

    磨具體積密度總氣孔率和吸水率.試驗方法
  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，利用填充法制備的多孔玻璃的孔參數（氣孔率、孔徑分佈）可進行設計與控制，多孔玻璃的氣孔率和孔徑分佈主要取決于成孔劑的體積比及其顆粒分佈，前者與後者之間的偏差取決于生坯制備及燒結過程。
  8. 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。
  9. 4. foams immersed in ethanol for 2. 5 and 17. 5 hours, mass loss happened but notable in the one with lower porosity. volume shrink happened from 7. 5th hour and decreased to 70 - 75 % at 25th hour respectively and significantly ( p < 0. 05 )

    持續酒精消毒5小時之後支架體積逐漸縮減，至第25小時體積縮減為原來的70 75 ，具有統計學意義；其中高空隙率支架體積變化更明顯（ p 0
  10. The experiment showed that the temperatures and the fiber proportions influenced great on the compressive strength, bending strength, volume density and the porosity of the composites

    實驗結果表明，燒成溫度和纖維含量對復合材料的耐壓強度、抗折強度、體積密度和氣孔率影響較大。
  11. We tested the ambient temperature compressive strength, the ambient temperature bending strength, volume density and the porosity of the sintered composites. by means of the om, sem, and x - ray, we analyzed the composites micro - structure ; we studied the dispersion methods & the mechanism of damage of the fiber ; we also did research on the reinforced mechanism and the fabrication characteristics of the fcmc

    測試燒后試樣的常溫耐壓強度、常溫抗折強度、體積密度、氣孔率，並藉助于光學顯微鏡、掃描電鏡以及x射線衍射圖象對復合材料微觀結構進行了分析，探討了復合材料中纖維的分散方法、纖維的損傷機理、纖維增強al _ 2o _ 3復合材料的增強機理和及制備特性。
  12. The results indicated that the time of heat preservation had important influence upon the macrostructure, apparent porosity rate, volume weight, the pervasion rate, shrinkage rate and the compressive strength

    研究結果表明，保溫時間對孔結構、氣孔率與容重、水滲透率、收縮率以及強度有著重要的影響。
  13. 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氣田的650個砂巖和碳酸鹽巖樣品壓汞測試資料及物性數據的分析研究，成功發現了對于孔隙性巖石（無論是砂巖還是碳酸鹽巖） ，巖石孔隙度和滲透率（特別是滲透率）與巖樣不同孔喉大小的體積分佈有密切的相關性，並首次建立了儲層孔喉體積分佈反演預測模型。
  14. This paper consists of the following parts : firstly, the physical properties ( particle size distribution, specific area, porosity ratio and pore volume ) and pyrolysis characteristics have been studied in experiments with four kinds of coals. according to experimental results, the advantages of combustion characteristics of micro - pulverized caols are analysed on the theory. secondly, the reconstructing plan is designed in details for a conventional system of the hot air transferring pulverized coal to reduce nox emission

    本文主要包括以下內容：首先，通過基礎的實驗分別對四種具有代表性煤種一、三次風所含煤粉的物理特性（粒徑分佈、孔隙率、孔容積和比表面積）和熱解特性進行研究，從理論上分析煤粉細化后，較細顆粒（即三次風含粉）在燃燒特性上的優越性，為三次風含粉用於再燃燃燒打下基礎。
  15. At the same sintering temperature, when the alumina fiber accounted for 10 %, the porosity of the composites was the lowest, the volume density was the biggest, and the compressive strength and the bending strength were the highest. when the sintering temperature was 1550 c, the compressive strength which could reach 332. 78 mpa, was the biggest ; when the sintering temperature was 1550 c, the bending strength which could reach 44. 04 mpa, was the biggest

    在同一燒成溫度下，氧化鋁纖維含量為10時，復合材料的氣孔率最低，體積密度最大，耐壓強度和抗折強度最高；燒成溫度在1550時，復合材料的耐壓強度最高，達到332 . 78mpa ，在1500時，復合材料的抗折強度最高，達到44 . 04mpa 。
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