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Keywords Y 2O 3;impuries;raw material; 氧化钇;杂质;原料;
The pressureless sintering process adding Y 2O 3 and Y 2O 3+La 2O 3 as sintering aids was studied. 研究了以Y2 O3 和Y2 O3 +La2 O3 为烧结助剂的Sialon陶瓷的常压烧结过程及其相结构。
Objective:TO study the atom absorbs the spectrum method measurement interferent effects of calcium in high pure rare earths Y 2O 3. 目的:研究原子吸收光谱法测定高纯稀土氧化钇中钙量干扰效应分析条件。
The structure and morphology of Y 2O 3 nanocrystals were characterized by X ray powder diffraction (XRD), transmission electron microscope (TEM) and BET specific surface area absorption metor. 用 X射线粉末衍射 ( XRD) ,透射电子显微镜 ( TEM)及 BET比表面吸附对 Y2 O3纳米晶的粒径和形貌进行了表征。
A DC method was used to determine La 2O 3, CeO 2, Pr 6O 11 , Sm 2O 3, Gd 2O 3, Dy 2O 3, Dy 2O 3, Y 2O 3 in Nd and Nd 2O 3 with oxygen argon controlled atmosphere on spectrograph reverse line dispersion 0 25 nm/mm. 在色散 0 2 5nm/mm光栅光谱仪上 ,以控制气氛直流电弧粉末法测定了金属钕及氧化钕中氧化镧、氧化铈、氧化镨、氧化钐、氧化钆、氧化镝和氧化钇。
Keywords PbWO 4（Y 2O 3）crystal;scintillating crystal;Bridgman method; 晶体;闪烁晶体;布里奇曼法;
The Photoluminescence Spectra of Trace Impurity in Spectrographic Purity Y 2O 3, La 2O 3 and Lu 2O 3 光谱纯Y_2O_3、La_2O_3、Lu_2O_3中微量杂质的光致发光谱研究
Y 2O 3 Yb2O3
Y 2O 3 ZrO 2 single crystal Y2O3-ZrO2单晶
Y 2O 3 stabilized ZrO 2 Y2O3稳定ZrO2
PbWO 4(Y 2O 3)crystal PbWO_4（Y_2O_3）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
Y 2O 3/TiO 2 catalysts were prepared by impregnation method and characterized by means of UV,SEM,and BET. 采用浸渍法制备了Y2 O3/TiO2 复合氧化物催化剂 ;并用紫外可见光谱、SEM、BET等手段对其进行了表征 .
Keywords cracking catalyst;ultrastable Y zeolite;Al 2O 3;nickel resistance; 裂化催化剂;超稳Y分子筛;氧化铝;
Que, As 2O 3 alone or IFN in combination with Buf can reinforce the sensitivity of HL-60/ADR cells to ADR. Que、As2 O3能增加 HL- 6 0 / ADR对阿霉素的敏感性 ,逆转其耐药 ,IFN与 Buf联合亦能增敏及逆转耐药
Ni 2O 3 can induce strongly the malignant transformation of HLF cells and may be carcinogenic to human beings. Ni2 O3有较强的诱导HLF细胞恶性转化的能力 ,具有致癌性。
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；
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 .
Keywords Y chromosome;spermatogenesis;AZF;gene; 染色体;精子发生;AZF;基因;
The results show that multiplayer Ni-Cr 2O 3 composite coating have a strong wear resistance. 结果表明 ,电刷镀多层Ni-Cr2 O3复合镀层具有良好的耐磨性。