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- In situ Al 2O 3 and TiB 2 particles reinforced Al 3.2% Cu and Al 6.0%Cu alloy composites were fabricated from TiO 2 Al B CuO system. 由TiO2?Al?B?CuO体系制备了原位Al2O3和TiB2粒子增强Al?3.;2%25Cu和Al?6
- STUDY ON THE SYNTHESIS OF DOP CATALYZED BY THE COMPOSITE SOLID SUPERACID SO 2- 4/TiO 2 Al 2O 3 复合固体超强酸SO~（2－）_4/TiO_2－Al_2O_3催化合成DOP的研究
- Keywords S 2O 2- 8/ZrO 2 Al 2O 3;solid superacid catalyst;esterification;acetalization; 固体超强酸催化剂;酯化;缩酮化;缩醛化;香料;
- The experiment results show that the main phase of combustion products is TiC under vacuum, and is Ti 3AlC 2 under Ar atmosphere with Ti:Al:C=2:2:1(molar ratio) in the Ti-Al-C system by using Ti, Al and C powders as raw materials. 实验结果表明 ,Ti:Al:C =2 :2 :1(摩尔比 )体系燃烧合成Ti3AlC2 的环境气氛若为真空 ,燃烧产物主要为TiC ,若为氩气 ,燃烧产物主晶相为Ti3AlC2 ;
- Both TiAl and Ti 24Al 14Nb 3V suffered severe hot corrosion. The TiAlCr coatings remarkably improved the hot corrosion resistance due to the formation of protective Al 2O 3 scale. 结果表明，850 ℃时，90 %25 Na2SO4 ＋ 10 %25 K2SO4 中Ti50Al 和Ti?24Al?14Nb?3V 都遭受严重热腐蚀。
- CeO 2 modified Al 2O 3 and TiO 2 supports are prepared using incipient wet impregnation method. 采用等体积浸渍法制备了CeO2 /Al2 O3、CeO2 /TiO2 复合氧化物载体 .
- Al 2O 3 addition could inhibit grain growth of ZrO 2,as well as improve mechanical properties at room temperature. Al2O3既可抑制晶粒长大，又使常温力学性能有所改善。
- The crystallization of glass ceramics in SiO 2 MgO Al 2O 3 F system were studied by the techniques og XRD, TEM and EDAX. 本文应用TEM ,XRD和EDAX等技术 ,系统研究了SiO2 MgO Al2 O3 F系玻璃陶瓷的析晶过程。
- Mechanical properties of Al 2O 3/TiC (AMT) and Al 2O 3/TiC/ZrO 2(AZT) ceramics prepared with ultrafine Al 2O 3 powders were investigated. 采用超微Al2O3粉和热压烧结工艺制备出两种Al2O3基陶瓷（Al2O3－MgO－TiC、Al2O3－MgO－TiC－Y－PSZ）。
- Preparation method of CO gas sensor used at room temperature made from SnO 2 with the stuffing of Al 2O 3,MgO,InO,Pd etc is introduced. 介绍了以SnO2 为主 ,掺入Al2 O3 ,MgO ,InO ,Pd等添加剂的常温CO气敏元件的制备方法。
- The analyses show that the major compositi ons of ceramic glazes are Al 2O 3, SiO 2; a small quantity of K 2O, Na 2O, CaO, MgO; and a trace amount of TiO 2, Fe 2O 3, S etc. 实验表明 :陶瓷釉的主要化学成分为Al2 O3、SiO2 ,少量为K2 O、Na2 O、MgO、CaO和微量的TiO2 、Fe2 O3、S等 ;
- CaO and SiO 2 in slag adhere on inside wall of sleeve bricks, diffuse into sleeve bricks, and react with MgO and Al 2O 3 so that a large amount of continuous liquid phase is formed. And so, sleeve bricks are corroded rapidly. 渣中的CaO和SiO2 粘附于中、上套砖内壁 ,并向套砖内部扩散 ,然后与套砖中的MgO、Al2 O3反应形成连续液相 ,导致了套砖的损耗加快。
- The thermal and hydrothermal stability of MSU-2 increased with the increasing silica to alumina ratio,the MSU-2 has a matchable thermal stability with NaY zeolite,and a matchable hydrothermal stability with HZSM-5 (n(SiO 2)/n(Al 2O 3)=38) zeolite. 实验结果表明 ,中孔分子筛MSU -2热稳定性与NaY分子筛相当 ,水热稳定性与HZSM -5 (n(SiO2 ) /n(Al2 O3 )为 38)相当 ,随着n(SiO2 ) /n(Al2 O3 )的增大 ,MSU -2的热和水热稳定性增强 ;
- Interface reactions of TiAl alloy with three varieties of ceramic shell molds, including Al 2O 3, ZrO 2,ZrO 2 stabilized with CaO , were examined by EPMA, Vicker microhardness meter, optical microscope and SEM. 借助电子探针微区分析仪、维氏显微硬度计、光学和电子显微镜对TiAl合金与Al2 O3 ,ZrO2 以及经CaO稳定的ZrO2 3种陶瓷型壳的界面反应进行了研究分析。
- The basic processing of Al Al 2O 3 composite green body by in sith coagulation casting is discussed in this paper. 介绍了采用原位凝固注模成形法制备Al?Al2O3复合材料坯体的基本工艺过程；
- Al 2O 3 was codeposited with the deposition of NiP,and the composite can be fabricated. 指出Al2O3随着NiP的沉积而发生共沉积，形成NiP－Al2O3复合材料；
- The digestion of the concentrate by Bayer process also showed that the digestion ratio of Al 2O 3 of the concentrate is higher than that of raw ore. 高压溶出试验表明 :脱硅铝精矿中Al2 O3 的溶出率比原矿要高。
- The Burgers vectors of two array dislocations are determined,and the dislocations in Al 2O 3 crystal grown by TGT are edge type dislocation. 确定了两组位错线的 Burgers矢量，温梯法生长的 Al2 O3 晶体中的位错主要是刃型位错。
- Oxygen sensitive double layered CeO 2/Nb 2O 5 films were grown on Al 2O 3 ceramic substrates by reactive RF/DC magnetron sputtering. 用射频 /直流磁控溅射法制备了CeO2 /Nb2 O5双层氧敏薄膜。
- The MOS capacitor with Al 2O 3 dielectric of 3 .45nm equivalent oxide thickness (EOT) is fabricated by reactive sputter. 利用反应溅射方法制备了等效氧化层厚度为 3 45nm的Al2 O3栅介质MOS电容 ;研究了Al2 O3作为栅介质的瞬时击穿和恒压应力下的时变击穿等可靠性特征 .
