顯氣孔率 的英文怎麼說

中文拼音 [xiǎnqìkǒnglǜ]
顯氣孔率 英文
apparent porosity
  • 顯 : Ⅰ形容詞1 （明顯） apparent; obvious; noticeable; evident 2 （有名聲有權勢的） illustrious and inf...
  • 氣 : 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...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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. Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using kaolinite showed that corundum - mullite - gahnite multiphase materials with the apparent porosity less than 5 % can be obtained through sintering at 1700 for 3h

    在1700下保溫3h ，能夠一步合成出顯氣孔率在5以下的剛玉?莫來石?鋅鋁尖晶石復相材料，各物相間結合緊密，發育較好。
  3. The formation of new phase such as mullite and gahnite by solid - phase reaction in multiphase materials can benefit the sintering of materials at 1700, decreased apparent porosity to less than 5 %. reducing atmosphere inhibited the synthesis of mullite and gahnite, played a negative role in the densification of multiphase materials

    固相反應生成的鋅鋁尖晶石和莫來石具有較高的活性，使復相材料在1700燒后顯示出更好的燒結性能，其顯氣孔率降低到5以下；還原性氣氛阻礙了莫來石和鋅鋁尖晶石的生成，不利於復相材料的燒結和緻密化。
  4. Based on orthogonal designed experiment, the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process showed that the light fired temperature and holding time mostly influenced the apparent porosity of the multiphase materials. further study on the light firing time indicated that at the light firing temperature of 1300 and died fire temperature of 1600 for 3h, the optimal light fired time was about 1h

    二次煅燒及正交實驗合成復相材料研究表明：輕燒溫度和輕燒時間對復相材料的顯氣孔率影響顯著；通過輕燒保溫時間的進一步研究表明：含剛玉、莫來石、鋅鋁尖晶石的復相材料，在輕燒溫度為1300 、終燒條件為1600下保溫3h時，最佳的保溫時間為1小時左右。
  5. The microstructure in this system shows randomly oriented fine plate - shaped grains with multi - layered structure. the fine grains randomly oriented ( strong grain boundary scattering ) and pores in these sintered samples could decrease the electrical conductivity. however, on the other hand, the fine grains randomly oriented and pores could lead to a dramatic decrease in the thermal conductivity

    燒結樣品的顯微結構由具有多層片狀結構的顆粒組成，材料的顯微結構直接影響到材料的電導率和熱導率，細小顆粒和氣孔的存在會引起電導率的降低，同時也能降低材料的熱導率，優化材料顯微結構是提高材料的熱電性能的關鍵步驟。
  6. It is investigated in the paper the correlation between the microstructure and the mechanical properties, that is, the effect of the content of free carbon, free silicon, pore and granule size on the bending strength of the material. under 1800, we obtain material with a density of 3. 12 g / cm3, bending strength of 522mpa. it is considered that the increase of the bending strength of the material obtained upon the traditional rbsc material by 50 % is mainly owing to a higher density and a lower porosity than the rbsc material

    研究了高溫燒結材料中游離si含量，晶粒尺寸以及游離c和氣孔對材料強度的影響，對比了所得材料與傳統rbsc材料的顯微結構和力學性能的差別，在高溫燒結下制備了密度為3 . 12g / cm ~ 3 ，強度為525mpa的材料，比傳統rbsc材料提高了50 ，材料中更低的氣孔率和更高的密度是強度提高的主要原因。
  7. 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：氧化硅系包埋料的骨料是氧化硅、氧化鋁、氧化鎂，結合劑為磷酸二氫銨，其900鍛燒后顯氣孔率增加，體積密度下降，耐壓強度降低，熱膨脹增大；氧化鋁系包埋料的骨料是氧化鋁和氧化鎂，結合劑為磷酸二氫銨，其900燒后顯氣孔率增加，體積密度下降，熱膨脹變化不大；氧化鎂系包埋料的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。
  8. Test method for apparent porosity and bulk density of porous ceramic

    多孔陶瓷顯氣孔率容重試驗方法
  9. Carbon materials. determination of open porosity

    碳素材料顯氣孔率的測定
  10. Coke - determination of show porosity

    焦炭顯氣孔率測定方法
  11. Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products

    體積密度顯氣孔率和真氣孔率試驗方法
  12. Test methods for apparent porosity, apparent specific gravity, and bulk density of graphite electrodes

    石墨電極容積密度表觀比重和顯氣孔率的測定方法
  13. Test methods of ceramic tiles - part 3 : determination of water absorption, apparent porosity, apparent relative density and bulk density

    吸水率顯氣孔率表觀相對密度和容重的測定
  14. 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:顯氣孔率吸水率和體積密度的測定
  15. Ceramic tiles - part 3 : determination of water absorption, apparent porosity, apparent relative density and bulk density iso 10545 - 3 : 1995, including technical corrigendum 1 : 1997 ; german version en iso 10545 - 3 : 1997

    瓷磚.第3部分:吸水率顯氣孔率表觀相對密度和容重
  16. 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

    隨著燒結溫度的升高和保溫時間的延長，顯氣孔率和吸水率逐漸減小，體積密度逐漸增加。抗彎強度隨著燒結溫度的升高和保溫時間的延長而增加，多孔燒結體的強度可以主要通過氣孔率來判斷。
  17. Guided by luo yang refractory research in - stitute, we developed alumina - magnesia spinel car - bon bricks. this product possesses such anvantages as high load softening point, low porosity, slag - resis - tance and erosion - resistance, when used in the working linings of lable, its effect is evidently raised, so it is very popular inmetallurgicol enterprises

    我廠在洛陽耐火材料研究院指導下，研製出鋁鎂尖晶石碳磚，具有荷重軟化點高，氣孔率低，抗渣，抗浸蝕性能好等優點，用於鋼包工作襯，效果明顯提高，是目前鋼包用較為理想的產品，深受冶金企業歡迎。
  18. The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )

    Tio _ 2燒結體sem顯微形貌分析表明：低溫（ 700 ）時坯體內顆粒無明顯長大，燒結體緻密度不高（ 80 ）晶粒間距隨溫度升高而變小，氣孔率也隨之降低，氣孔尺寸變小；當溫度超過900時，晶粒間連接緊密，燒結體內出現大量絮狀物質，緻密度大幅度提高，達97以上，小氣孔已聚集成大孔洞且分佈均勻，晶粒長大不明顯（ 200nm左右） ；當溫度超過1100時，燒結體緻密度有所提高，但晶粒尺寸出現異常長大，長大了十幾倍（達2 m以上） 。
  19. 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。
  20. Adding sic can decreases sintering temperature of al2o3 efficaciously, but also can make the al2o3 crystal growth as flake, strengthen the coalescent of the al2o3 crystals, and the residual sic during sintering can strengthen the al2o3 ceramics. because the reaction between sic and al2o3 begins from the surface of samples, there is a compact protecting field on the surface of the samples to restrain o2 enter into the samples, and leave more pore in them to decrease the thermal expansion coefficient and increase their the al2o3 ceramics " thermal shock resistanc e times

    引入sic的樣品在燒結過程中，首先在樣品的表面產生sic與o _ 2及al _ 2o _ 3的反應，形成一層緻密的保護層，阻礙o _ 2進入材料內部，在材料的內部留下較大的氣孔率，可以降低其熱膨脹系數，並使材料在受熱過程中有一定的空間進行結構調整，能夠顯著的提高al _ 2o _ 3陶瓷材料的抗熱沖擊次數。
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