IgA 肾病是原发性肾小球肾炎中一种常见类型,分布普及全世界,它不仅临床表现多样,而且存在明显的地域性差异。作者对88例中国汉族原发性 IgA 肾病患者及88例澳大利亚白人患者的临床、病理及免疫病理资料进行了对照研究。实验室检查包括...IgA 肾病是原发性肾小球肾炎中一种常见类型,分布普及全世界,它不仅临床表现多样,而且存在明显的地域性差异。作者对88例中国汉族原发性 IgA 肾病患者及88例澳大利亚白人患者的临床、病理及免疫病理资料进行了对照研究。实验室检查包括尿红细胞相差显微镜检查,24h 尿蛋白定量,血清肌酐、内生肌酐清除率,血清 IgA,IgG 和补体 C<sub>3</sub>。肾活检标本做 HE,PAS,PASM 和Masson 三色染色及肾小球面积测定。展开更多
YBa2Cu3Ox(YBCO) thin films grown on different substrates with and/or without Eu2CuO4(ECO) buffer layer were investigated by X-ray wide angle diffraction,reflection,diffuse scattering and topography.Theresults show tha...YBa2Cu3Ox(YBCO) thin films grown on different substrates with and/or without Eu2CuO4(ECO) buffer layer were investigated by X-ray wide angle diffraction,reflection,diffuse scattering and topography.Theresults show that for the yttria stabilized ZrO2(YSZ) substrate,the presence of an ECO buffer layer improves the crystalline quality of the YBCO film,while a negative effect is observed for the SrTiO3(STO) substrate.The lateral correlation length for a sample grown on a YSZ substrate with ECO buffer Layer is much greater than grown on an STO subetrate.The STO substrate used has mosaic structure.2001 Elsevier Science B.V.All rights reserved.展开更多
文摘YBa2Cu3Ox(YBCO) thin films grown on different substrates with and/or without Eu2CuO4(ECO) buffer layer were investigated by X-ray wide angle diffraction,reflection,diffuse scattering and topography.Theresults show that for the yttria stabilized ZrO2(YSZ) substrate,the presence of an ECO buffer layer improves the crystalline quality of the YBCO film,while a negative effect is observed for the SrTiO3(STO) substrate.The lateral correlation length for a sample grown on a YSZ substrate with ECO buffer Layer is much greater than grown on an STO subetrate.The STO substrate used has mosaic structure.2001 Elsevier Science B.V.All rights reserved.
