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- Keywords MgAl 2O 4 crystal;substrates;crystal pulling; 铝酸镁晶体;基片;引上法晶体生长;
- Keywords MgAl 2O 4 crystal;defect;scattering particles; 铝酸镁晶体;缺陷;散射颗粒;
- MgAl 2O 4 crystal MgAl_2O_4单晶
- The particular sintering mechanism of rich-alumina MgAl 2O 4 and its effect on slag resistance are described. 研究了富铝尖晶石的反应烧结特性,评价了这种特性对抗渣性能的作用。
- Keywords MgAl 2O 4 spinel;activated carbon;water gas shift (WGS ) catalyst.; 镁铝尖晶石;活性炭;负载型变换催化剂;
- Keywords BaB 2O 4 crystal;crystal pulling;birefringent property; 4晶体;引上法晶体生长;双折射性能;
- Keywords transparent MgAl 2O 4 ceramics;electron irradiation;isochronal annealing;aggregate F center; 镁铝尖晶石透明陶瓷;电子辐照;等时退火;F聚集心;
- Keywords molecular dynamics simulation;BaB 2O 4 crystal;density of state; 分子动力学模拟;偏硼酸钡晶体;态密度;
- BaB 2O 4 crystal BaB_2O_4晶体
- The chromatogram experiment shows that the impurities in the YVO 4 crystal include the VO,YO,NdO,YVO 2,YVO 3,Y 2O 2 groups,the K,Na,Ca elements,and the Cs +,Pb 2+ ions. 采用色谱对原料样品和晶体样品中的杂质元素和杂质基团进行分析 ,发现钒酸钇晶体内部含有VO ,YO ,NdO ,YVO2 ,YVO3 ,Y2 O2 基团 ,含K、Na、Ca等碱金属和稀土元素。 在晶体中含有杂质离子铯和铅
- The barium in the sample mainly exists as BaAl 2O 4 except few BaCO 3 phase. 结果表明 ,样品中的主要成分是BaAl2 O4 ,有少量BaCO3存在。
- For the samples aged in air for 10 months, the peak intensities of BaCO 3 increase and BaAl 2O 4 decrease obviously. 于空气中陈放 10个月后 ;样品中 Ba Al2 O4的衍射峰强度显著下降 ;而 Ba CO3的衍射峰明显增强 .
- The structure of quenched glass from molten BaB 2O 4 has been studied by molecular dynamics simulation. 采用分子动力学模拟方法研究了熔融BaB2O4急冷玻璃结构。
- Reversible oxidation-reduction reaction of polyviologen occurred with existence of Na 2S 2O 4,accompany with reversible color change. 聚紫精在Na2 S2 O4 存在下发生可逆氧化还原反应 ;并伴随可逆颜色变化 .
- In H 2SO 4-H 2C 2O 4 medium, a sensitive absorption complex wave Sn(IV)-DPG could be obtained by single sweep oscillopolarography. 在H2SO4-H2C2O4介质中,用单扫描示波极谱法,Sn(IV)-DPG体系可产生灵敏的络合吸附波。
- Transparent and conductive oxides CdIn 2O 4 (CIO) thin films were prepared by RF reactive sputtering from a Cd-In alloy target in Ar+O 2 atmosphere. 在Ar+O2 气氛 ;采用射频反应溅射Cd In靶制备CdIn2 O4 (CIO)薄膜 .
- XRD analysis shows that barium in the Pt Ba Al|O 1000 samples mainly exists as BaAl 2O 4 besides a trace of BaCO 3 phase. XRD结果表明 ,载体 Ba- Al- O经过 10 0 0℃焙烧后 ,Ba主要以 Ba Al2 O4形式存在 ,所含 Ba CO3较少 ;
- It is shown that the barium exists in the forms of BaAl 2O 4 and BaCO 3 phases. The BaAl 2O 4 crystallites should be the centers for NO x storage. 样品中Ba物种是以BaAl2 O4 和BaCO3 两种混合物相的形式存在 ,高分散的BaAl2 O4 相是NOx 的主要储存活性中心
- Sb doped PbWO 4 crystals have been grown by means of modified Bridgman method. 采用改进的布里奇曼 (Bridgman)法生长了掺杂Sb2 O3的PbWO4 晶体。
- Strong green up-conversion emission was observed for the first time in europium and dysprosium co-doped strontium aluminate (SrAl 2O 4:Eu 2+,Dy 3+) phosphor under 980 nm infrared excitation at room temperature. 铕镝共掺的铝酸锶是一种新型的绿色长余辉荧光材料 ,经可见 -紫外光激发后 ,能发出超长时间的余辉。 本文首次用 980nm的红外激发光源激发SrAl2 O4 :Eu2 + ,Dy3+ 磷光体后 ,在室温下观测到了SrAl2 O4 :Eu2 + ,Dy3+ 的绿色上转换荧光。