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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體系制備了原位Al2O3和TiB2粒子增強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 復合固體超強酸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; 固體超強酸催化劑;酯化;縮酮化;縮醛化;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. 實(shí)驗結果表明 ,Ti:Al:C =2 :2 :1(摩爾比 )體系燃燒合成Ti3AlC2 的環(huán)境氣氛若為真空 ,燃燒產(chǎn)物主要為T(mén)iC ,若為氬氣 ,燃燒產(chǎn)物主晶相為T(mén)i3AlC2 ;
- 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. 結果表明，850 ℃時(shí)，90 %25 Na2SO4 ＋ 10 %25 K2SO4 中Ti50Al 和Ti?24Al?14Nb?3V 都遭受?chē)乐責岣g。
- CeO 2 modified Al 2O 3 and TiO 2 supports are prepared using incipient wet impregnation method. 采用等體積浸漬法制備了CeO2 /Al2 O3、CeO2 /TiO2 復合氧化物載體 .
- Al 2O 3 addition could inhibit grain growth of ZrO 2,as well as improve mechanical properties at room temperature. Al2O3既可抑制晶粒長(cháng)大，又使常溫力學(xué)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. 本文應用TEM ,XRD和EDAX等技術(shù) ,系統研究了SiO2 MgO Al2 O3 F系玻璃陶瓷的析晶過(guò)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粉和熱壓燒結工藝制備出兩種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. 介紹了以SnO2 為主 ,摻入Al2 O3 ,MgO ,InO ,Pd等添加劑的常溫CO氣敏元件的制備方法。
- 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. 實(shí)驗表明 :陶瓷釉的主要化學(xué)成分為Al2 O3、SiO2 ,少量為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、上套磚內壁 ,并向套磚內部擴散 ,然后與套磚中的MgO、Al2 O3反應形成連續液相 ,導致了套磚的損耗加快。
- 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. 實(shí)驗結果表明 ,中孔分子篩MSU -2熱穩定性與NaY分子篩相當 ,水熱穩定性與HZSM -5 (n(SiO2 ) /n(Al2 O3 )為 38)相當 ,隨著(zhù)n(SiO2 ) /n(Al2 O3 )的增大 ,MSU -2的熱和水熱穩定性增強 ;
- 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. 借助電子探針微區分析儀、維氏顯微硬度計、光學(xué)和電子顯微鏡對TiAl合金與Al2 O3 ,ZrO2 以及經(jīng)CaO穩定的ZrO2 3種陶瓷型殼的界面反應進(jìn)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. 介紹了采用原位凝固注模成形法制備Al?Al2O3復合材料坯體的基本工藝過(guò)程；
- Al 2O 3 was codeposited with the deposition of NiP,and the composite can be fabricated. 指出Al2O3隨著(zhù)NiP的沉積而發(fā)生共沉積，形成NiP－Al2O3復合材料；
- 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. 高壓溶出試驗表明 :脫硅鋁精礦中Al2 O3 的溶出率比原礦要高。
- The Burgers vectors of two array dislocations are determined,and the dislocations in Al 2O 3 crystal grown by TGT are edge type dislocation. 確定了兩組位錯線(xiàn)的 Burgers矢量，溫梯法生長(cháng)的 Al2 O3 晶體中的位錯主要是刃型位錯。
- Oxygen sensitive double layered CeO 2/Nb 2O 5 films were grown on Al 2O 3 ceramic substrates by reactive RF/DC magnetron sputtering. 用射頻 /直流磁控濺射法制備了CeO2 /Nb2 O5雙層氧敏薄膜。
- The MOS capacitor with Al 2O 3 dielectric of 3 .45nm equivalent oxide thickness (EOT) is fabricated by reactive sputter. 利用反應濺射方法制備了等效氧化層厚度為 3 45nm的Al2 O3柵介質(zhì)MOS電容 ;研究了Al2 O3作為柵介質(zhì)的瞬時(shí)擊穿和恒壓應力下的時(shí)變擊穿等可靠性特征 .
