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Zhang, Bo,Xu, Zhi-Wen,Wang, Kun-Hao,Lu, Tian-Cheng,Du, Ye Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.4
Several lines of evidence indicate that cancer is a multistep process. To survey the mechanisms involving gene alteration and miRNAs in adrenocortical cancer, we focused on transcriptional factors as a point of penetration to build a regulatory network. We derived three level networks: differentially expressed; related; and global. A topology network ws then set up for development of adrenocortical cancer. In this network, we found that some pathways with differentially expressed elements (genetic and miRNA) showed some self-adaption relations, such as EGFR. The differentially expressed elements partially uncovered mechanistic changes for adrenocortical cancer which should guide medical researchers to further achieve pertinent research.
Dang-Hui Wang,Sheng-Rui Xu,Jin-Cheng Zhang,Ke Chen,Zhi-Wei Bi,Lin-Xia Zhang,Fan-Na Meng,Shan Ai,Yue Hao 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.4
In this study, we report on the crystal quality of InGaN epifilms with different indium fractions grown at different growth temperatures on c-plane sapphire substrates with an AlN nucleation layer by using low-pressure metal-organic chemical-vapor deposition (MOCVD). High-resolution X-ray diffraction (HRXRD), atom force microscopy (AFM), photoluminescence (PL) and Raman scattering measurements were employed to study the crystal quality, optical properties and strain condition of InGaN epifilms with increasing indium fraction (from 4.36% to 15.36%). Results show that InGaN epitaxial layers can be realized with a higher indium fraction at a lower temperature by inserting an AlN nucleation layer between the sapphire substrate and the GaN buffer layer and that the obtained InGaN epifilms have an improved crystal quality and a lower threading dislocation density.