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Zebin Chen,Han Sun,이재호 세명대학교 인문사회과학연구소 2022 人文 社會科學硏究 Vol.30 No.2
· Research topics: The possibility of introducing blockchain technology in trade transactions, and the limitations and measures for the expected effect and application are studied. · Research background: Blockchain is emerging as an innovative technology that can promote future industries. · Differences from prior research: Blockchain technology was introduced into indirect procedures such as transaction contracts, insurance, and customs clearance. · Research method: A case in which a blockchain-based trade logistics platform is applied was analyzed. · Research results: The problem of blockchain has room for improvement in that it can solve the problem to some extent through the government. However, conflicts of interest require various efforts at the government level. In addition, efficiency should be checked, and abuse prevention is required. · Contribution points and expected effects: In the era of the Fourth Industrial Revolution, it provided practical implications for introducing technological innovation into international trade transactions. · 연구 주제: 무역 거래의 세부 단계에 블록체인 기술의 도입 가능성 및 기대효과와 블록체인의 적용을 위한 한계점과 이에 대한 방안을 연구하는 것이다. · 연구 배경: 블록체인은 다양한 산업에 적용되고 제품 특성과 복잡한 거래 절차의 변화를 해결하기 때문에 거래의 신뢰성을 확보하여 미래 산업을 촉진할 수 있는 혁신 기술로 떠오르고 있다. · 선행연구와의 차이점: 선행연구로 블록체인 기술을 거래계약이나 보험, 통관절차와 같은 간접적인 절차에 도입하였다. · 연구방법: 블록체인 기반 무역 물류 플랫폼이 적용되는 사례를 분석하였다. · 연구결과: 블록체인의 문제는 정부와 입법기관의 적절한 대응을 통해 법적·제도적 문제를 어느 정도 해결할 수 있다는 점에서는 개선의 여지가 있다. 하지만 이해관계가 얽힌 이해충돌 문제는 정부 차원에서 이해관계를 조정하는 다양한 노력이 선행되어야 한다. 또한 효율성을 점검해야 하며, 악용 방지를 위한 관리·감독이 필요하다. · 공헌점 및 기대효과: 4차 산업혁명 시대에 기술혁신을 국제무역거래에 도입할 수 있는 실무적 시사점을 제공하였다.
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Design and Analysis of a Novel 16/10 Segmented Rotor SRM for 60V Belt-Driven Starter Generator
Xiaodong Sun,Zhengwang Xue,Shouyi Han,Xing Xu,Zebin Yang,Long Chen 한국자기학회 2016 Journal of Magnetics Vol.21 No.3
This paper proposes a novel 16/10 segmented rotor switched reluctance motor (SSRM) for belt-driven starter generators (BSGs). Different from conventional SRMs, the stator of the proposed SSRM consists of two types of stator poles, i.e., exciting and auxiliary poles, and the rotor is constructed from a series of discrete segments. The topology and operation principle of this proposed SSRM are illustrated firstly, and then the design rules are listed. In addition, the finite element method (FEM) is employed to get the static and dynamic characteristics of the proposed SSRM. Finally, the simulation results are presented to show the validity of the proposed SSRM for BSGs.
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Jianping Wang*,Man Shu*,Hong Peng,Shaoqiang Li,Dongming Li,Jingxian Shen,Ming Kuang,Ying Zhang,Zebin Chen 대한외과학회 2023 Annals of Surgical Treatment and Research(ASRT) Vol.104 No.5
Purpose: Reports showed that some of intrahepatic cholangiocarcinoma (ICC) patients with lymph node metastasis (LNM) may also gain survival benefit undergone resection. However, the effect of the extent of LNM on prognosis and surgical indication is barely discussed. Methods: From September 1994 to November 2018, primary ICC patients undergone initial curable surgery were enrolled. Based on the extent of LNM, we divided these patients into 4 groups, including patients with no LNM (group N0), LNM to hepatoduodenal ligament or common hepatic artery (region A, group A), LNM to gastrohepatic lymph nodes for left liver ICC and periduodenal and peripancreatic lymph node for right liver ICC (region B, group B), or LNM beyond these regions (region C, group C). Multivariable Cox regression analysis was performed to identify the prognostic factors for recurrence- free survival (RFS) and overall survival (OS) in all groups. Results: A total of 133 patients were enrolled. There were 56, 21, 17, and 39 patients in groups N0, A, B, and C, respectively. There was significant difference between groups N0 and C in RFS (P < 0.001) and OS (P = 0.002). When we compared group N0 + A + B with group C, we also found that RFS (P < 0.001) and OS (P = 0.007) were significantly different. In multivariable analysis, the extent of LNM was an independent risk factor for RFS (P < 0.050). Conclusion: ICC patients with the LNM to regions A and B could still achieve good prognosis with resection. Surgery should be carefully considered when LNM to region C.
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