氣孔率 的英文怎麼說

中文拼音 [kǒng]
氣孔率 英文
porosity rate
  • : 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. It is widely used to test castable on porosity by submergence in physical property inspection

    浸液法測定氣孔率在物理性能檢測中已得到廣泛應用。
  6. Therefore, the purpose of this thesis is to look for a suitable preparing process for 3 - tcp with their micro - construction controlled more easily and the porosity rate and strength uniform. this paper created a new preparing method of porous ceramics, i. e. foam gel - casting technique, which integrated foam technique in porous ceramics preparing and gel - casting technique in structural ceramics preparing was applied to improve the preparing technique of porous p - tcp bioceramics in order to prepare ceramics bodies with high body intensity, controllable porosity and easily machining performance

    因此,本論文努力尋求一種適合於- tcp多陶瓷的制備工藝,使其微觀結構易於調節控制,空隙和強度達到平衡同一。在實驗中,結合了制備多陶瓷常用的發泡法和結構陶瓷制備中的注凝法,創新設計了一種新的多陶瓷成型方法? ?泡沫注凝法,對多- tcp生物陶瓷的成型工藝加以改進,制備出高強度、氣孔率可控以及易加工的陶瓷坯體。
  7. Test method for physical - chemical properties of electrical carbon product. porosity

    電炭製品物理化學性能試驗方法.氣孔率
  8. 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:體積密度真密度真氣孔率吸水試驗方法
  9. Testing method for specific gravity and true porosity of insulating fire bricks

    隔熱耐火磚比重及真氣孔率的試驗方法
  10. 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。
  11. 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.試驗方法
  12. Abstract : this article is about two series of borate and phosphate comprising seven directions. the experiment result shows that both of the two gl ass antioxidants can reduce apparent porosity , raise oxidation resistance and th e crushing strenth after fire , but lower refractoriness under load. phosphate glas s is superior to borate in refractoriness under load. which c an attain over 1600 ; so the phosphate glass is a d esirable antioxidant

    文摘:研究了硼酸鹽和磷酸鹽兩個系列七種配方的玻璃防氧化劑,實驗表明這兩種玻璃防氧化劑均可降低鋁鎂碳磚的氣孔率,提高鋁鎂碳磚的抗氧化能力及燒后的耐壓強度,但也不同程度地降低了鋁鎂磚的高溫荷重軟化變形溫度,其中磷酸鹽玻璃優于硼酸鹽玻璃,其高溫荷重軟化變形溫度可達到1600以上,仍是可取的防氧化劑
  13. 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(氣孔率徑分佈)可進行設計與控制,多玻璃的氣孔率徑分佈主要取決于成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。
  14. 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。
  15. Test method for apparent porosity and bulk density of porous ceramic

    陶瓷顯氣孔率容重試驗方法
  16. 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。
  17. Carbon materials. determination of open porosity

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

    焦炭顯氣孔率測定方法
  19. 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
  20. 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
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