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중국ㆍASEAN FTA에 따른 관세인하의 영향과 시사점
최준호,홍승린 한국관세학회 2007 관세학회지 Vol.8 No.1
This paper inspects beforehand China, ASEAN FTA begun substantially according to China, ASEAN sign trade in services agreement between FTA, and customs brokers who is taking charge of 97% of import and export customs clearance of our country wishes to investigate about segment to correspond hereafter according to role enlargement with China and ASEAN. Main result of this paper is as following. First, will have to grasp change circumstance strictly market environment that follow to China-ASEAN FTA as for our enterprise, and propel market extension for these area at the same time through strategic investment about China-ASEAN. Second, role which registered customs brokers of our country prepare FTA and first of all, are important with China-ASEAN is achievement of consulting business by FTA conclusion including certificate of origin. Third, Our government should prepare Korea-ASEAN ETA for early tariff reduction realization of ASEAN interest item.
Chemokine Signaling Pathway Involved in CCL2 Expression in Patients with Rheumatoid Arthritis
Lin Zhang,Changyi Li,Min Yu,Jiayin Deng,Xing Lv,Jun Liu,Yu Xiao,Wenjie Yang,Yuru Zhang 연세대학교의과대학 2015 Yonsei medical journal Vol.56 No.4
Purpose: Rheumatoid arthritis (RA) is an inflammatory joint disorder, the progressionof which leads to the destruction of cartilage and bone. Chemokines are involvedin RA pathogenesis. In this study, we investigated the chemokine signaling pathway associated with CCL2 in peripheral blood (PB) and synovial tissues (ST) of RA patients based on our previous work about chemokine signaling pathway involvedin the activation of CCL2 production in collagen-induced arthritis rat ST. Materials and Methods: Total RNA was isolated from PB leukocytes and synoviumof the knee joint in both RA patients and control populations. Real-time polymerasechain reaction was used to determine CCL4, CCR5, c-Jun, c-Fos, and CCL2 expressions. Serum level of CCL2 was assessed by enzyme-linked immunosorbent assay, and the production of CCL2 in ST was analyzed immunohistochemically. Results: The expressions of CCL4, CCR5, c-Jun, c-Fos, and CCL2 messenger RNA in RA patients were significantly higher than those in healthy controls, both in ST and on PB leukocyte. Serum CCL2 levels were elevated in RA patients. Histological examination of rheumatoid joints revealed extensive CCL2 expression in RA ST. Conclusion: CCL2, CCL4, c-Jun, c-Fos, and CCR5 may play an important role in the recruitment of PB leukocytes into the RA joints. These data provide evidence that the chemokine signaling pathway is involved in CCL2 expression in RA patient tissues, which may contribute to chronic inflammation associated with RA. Targetingthis signaling pathway may provide a novel therapeutic avenue in RA.
Lin, Gui-Nan,Jiang, Xiao-Mei,Peng, Jie-Wen,Xiao, Jian-Jun,Liu, Dong-Ying,Xia, Zhong-Jun Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.15
Background: The prognostic significance of the circulating absolute monocyte count (AMC) in patients with locally advanced hepatocellular carcinoma (HCC) is uncertain. This study was designed to assess the association of circulating AMC with survival outcomes in patients diagnosed with locally advanced or metastatic HCC receiving systemic chemotherapy. Materials and Methods: Between January 1, 2005 and December 30, 2012, locally advanced or metastatic HCC patients who had Child-Pugh stage A or B disease and received systemic chemotherapy were retrospectively enrolled. Patient features including gender, age, extrahepatic metastasis, Child-Pugh stage, serum alpha-fetoprotein(AFP) level and AMC were collected to investigate their prognostic impact on overall survival(OS). Results: A total of 216 patients were eligible for the study. The optimal cut-off value of AMC for OS analysis was $0.38{\times}10^9/L$. Median OS was 5.84 months in low-AMC group (95% confidence interval [CI], 5.23 to 6.45), and 5.21 months in high-AMC group (95% CI, 4.37 to 6.04; p=0.003). In COX multivariate analysis, elevated AMC remained as an independent prognostic factor for worse OS (HR, 1.578; 95% CI, 1.120 to 2.223, p=0.009). Conclusions: Our results indiicate that circulating AMC is confirmed to be an independent prognostic factor for OS in patients with locally advanced or metastatic HCC receiving systemic chemotherapy.
Studies on the influence factors of wind dynamic responses on hyperbolic cooling tower shells
Jun-Feng Zhang,Qing-Shuai LIU,Yao-Jun Ge,Lin Zhao 국제구조공학회 2019 Structural Engineering and Mechanics, An Int'l Jou Vol.72 No.5
Wind induced dynamic responses on hyperbolic cooling tower (HCT) shells are complicated functions of structure and wind properties, such as the fundamental frequency fmin, damping ratio ζ, wind velocity V, correlationship in meridian direction and so on, but comprehensions on the sensitivities of the dynamic responses to these four factors are still limited and disagree from each other. Following the dynamic calculation in time domain, features of dynamic effects were elaborated, focusing on the background and resonant components σB and σR, and their contributions to the total rms value σT. The σR is always less than σB when only the maximum σT along latitude is concerned and the contribution of σR to σT varies with responses and locations, but the σR couldn’t be neglected for structural design. Then, parameters of the above four factors were artificially adjusted respectively and their influences on the gust responses were illustrated. The relationships of σR and the former three factors were expressed by fitted equations which shows certain differences from the existing equations. Moreover, a new strategy for wind tunnel tests aiming at surface pressures and the following dynamic calculations, which demands less experiment equipment, was proposed according to the influence from meridian correlationship.
DESIGN OF CUSTOMIZED HEALTH CARE SYSTEM BASED ON BIG DATA
Lin-jun Yu,Meng Huan,Kang Yun-jeong,Choi Dong-oun 한국엔터테인먼트산업학회 2019 한국엔터테인먼트산업학회 학술대회 논문집 Vol.2019 No.11
This paper designs an intelligent and personalized health management system based on big data and IOT technology. The system can comprehensively assess the overall health status of users or identify risk factors that affect health by obtaining user health information. Take targeted interventions and keep track of services. The artificial intelligence system based on big data can continue to evolve, and will provide users with more accurate and personalized health management services in the future.
Lin-Jie Zhao,Jian Cheng,Ming-Jun Chen,Xiao-Dong Yuan,Wei Liao,Hao Yang,Qi Liu,Hai-Jun Wang 한국정밀공학회 2021 International Journal of Precision Engineering and Vol.22 No.1
In high power laser facility, irreversible damage on fused silica optics, induced by laser irradiation or processing, seriously affects the service life of optics. Therefore, the work of inhibiting damage growth has been carried out in various countries. In our work, an integrated multi-station system is designed to detect and mitigate surface damage on fused silica. The process of processing fused silica optics include UV laser conditioning, surface damage detection and surface damage mitigation with CO2 laser. UV laser conditioning pre-initiates surface damage on fused silica optics with the laser flux less than Laser-Induced Damage Threshold (LIDT). Images of surface damage acquired from camera are processed by improved global threshold segmentation algorithm to extract damage information. Finally, CO2 laser is applied to process the damage with specific morphology to enhance the laser damage resistance. This integrated multi-station system saves the repeated optics installation time between the workstations with the positioning accuracy of 20 μm. Furthermore, the damage with diameter of 10 μm is mitigated to prolong service life of processed fused silica optics. The efficient and accurate integrated multi-station system is of great significance for off -line detecting and mitigating surface damage of fused silica optics in high power laser facility.
Organization process of the hierarchical structures in microbially synthesized polyhydroxyalkanoates
Jun Xu,Bao-Hua Guo,Qiong Wu,Jin-Chun Chen,Guo-Qiang Chen,Jian-Jun Zhou,Yong Jiang,Lin Li 한국물리학회 2007 Current Applied Physics Vol.7 No.s1
cess of the high-order structures in biomaterials. Real-time Fourier transform infrared spectroscopy and optical microscopy demon-strated that helical segments formed along with the spherulite growth. Atomic force microscopy revealed the details of growth,twisting and branching of lamellar crystals. Cooperative packing of these twisting lamellae led to regular banded spherulites observedunder polarized light microscopy. Real-time observation on the crystallization process provided richer information than the characterization of the final structures; consequently, it provides deeper insight into the organization mechanism of the hierarchical structures.
Flatbands and Emergent Ferromagnetic Ordering in Fe3Sn2 Kagome Lattices
Lin, Zhiyong,Choi, Jin-Ho,Zhang, Qiang,Qin, Wei,Yi, Seho,Wang, Pengdong,Li, Lin,Wang, Yifan,Zhang, Hui,Sun, Zhe,Wei, Laiming,Zhang, Shengbai,Guo, Tengfei,Lu, Qingyou,Cho, Jun-Hyung,Zeng, Changgan,Zhan American Physical Society 2018 Physical Review Letters Vol.121 No.9