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- 저자 : Changling Yang (검색결과 3 건)
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지상전술 C4I(ATCIS)체계 운용자 요구분석을 통한 효율적 발전 방안 연구
박창운(Park, Changl-Woon),양해술(Yang, Hae-Sool) 한국산학기술학회 2008 한국산학기술학회 학술대회 Vol.- No.-
본 연구에서는 육군 지상전술 C4I체계(ATCIS)의 전력화 초기단계에서 주요국가의 C4I 체계와 한국의 체계 에 대한 특성을 살펴보았으며, 또한 정책이나 기술적인 분석에서 한 단계 더 나아가 이론적 배경과 더불 어 운용과 사용자 요구와 관련된 자료를 수집하여 분석을 실시하였다. 따라서 운용자 요구 수준에 맞는 체계의 보완과 C4I체계의 디지털화 등 발전방안을 도출하였다.
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Interface Properties of Epoxy and Polyurethane Mutually Sized Carbon Fiber Reinforced Composites
Shengxia Li,Changling Yang,Lili Yao,Bo Wu,Yonggen Lu 한국섬유공학회 2022 Fibers and polymers Vol.23 No.3
Anodized carbon fiber (OCF) is sized with epoxy sizing agent (EPS) and polyurethane sizing agent (PUS) toreinforce epoxy resin (EP) and polyurethane resin (PU) mutually. The dependence of interlaminar shear strength (ILSS) andfailure strain on the sizing agent and amount is investigated. The ILSS of the as-received OCF reinforced EP composite is59.5 MPa, while that of EPS sized OCF reinforced EP composite can be optimally increased to 66.7 MPa, and that of PUSsized OCF reinforced EP composite can be increased maximumly to 72.8 MPa. The ILSS of the as-received OCF reinforcedPU composite is 39.5 MPa, while that of PUS sized OCF reinforced PU composite can be optimally increased to 50.5 MPa,and that of EPS sized OCF reinforced PU composite can be increased maximumly to 63.9 MPa. The results show the EPS ismore suitable to size OCF for reinforcing PU while the PUS is more suitable to size OCF for reinforcing EP. Hence it isconcluded that the law of similarity and intermiscibility does not always work, rather the chemical reactions are moreimportant for strong interface formation. The sizing amount has a great influence on both the ILSS and failure strain.
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Functional mechanisms for diabetic nephropathy-associated genetic variants
Hong Xu,Chengxin Gong,Yonghu Xu,Yongfang Fan,Xingzi Liu,Chaopeng Xiong,Luling He,Changle Liu,Shenqiang Rao,Wen Xiao,Lu Ding,Lan Tang,Fangfang Hu,Mengqi Xiong,Mei Yang,Shangdong Liang 한국유전학회 2016 Genes & Genomics Vol.38 No.7
Diabetic nephropathy (DN) is one of the major complications of diabetes. A tremendous amount of genetic variations have been identified to be associated with DN. However, most of them only generate from statistical associations at the DNA level, generally without direct functional evidence regarding their association mechanisms underlying DN. Based on the publicly available datasets and resources, this study performed integrative analyses (expression quantitative trait loci analysis, differential gene expression analysis and functional prediction analysis) to detect the molecular functional mechanisms underlying the associations for DN. Among 150 selected (P\E-4) genetic associations that were archived in the public databases, two single nucleotide polymorphisms (SNPs) (rs3135377 and rs9469220) have been found to act as cis-effect regulators of the ‘‘identified’’ gene (HLADRA and HLA-DRB1). These eQTL genes have differential expression signals in the DN-associated cell groups. These SNPs were predicted as regulatory sites by utilizing online prediction tools. Our data suggest potential mechanistic links underlying the association between DN and two identified SNPs. These results could help us to have a deeper understanding of the functional relevance of genetic variants with susceptibility to DN, which is useful for pursuit of in-depth validation studies to dissect their involvements and molecular functional mechanisms in DN.
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