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안영재,박윤준,김명준,한석주,오정탁,Ahn, Young-Jae,Park, Yoon-Joon,Kim, Myung-Joon,Han, Seok-Joo,Oh, Jung-Tak 대한소아외과학회 2007 소아외과 Vol.13 No.2
Foreign body ingestion is a frequent event in the pediatric age group, but the incidence of foreign bodies in the appendix is very low. The authors report a case of ingested foreign body trapped in the appendix in a 7-year-old girl. The foreign body was successfully treated by laparoscopic appendectomy under fluoroscopic guidance.
안영재,유장열,권오관,김영조 대한기계학회 1989 대한기계학회논문집 Vol.13 No.4
본 연구에서는 제트 분사 시스템을 제작하여 절단 성능에 관게하는 여러 변수중 고압수의 압력, 연마제의 크기 및 공급량, 그리고 공작물의 이송속도의 영향을 실험적으로 연구하였다. A jet cutting system is a new concept of cutting device wihch requires high pressure up to thousands of atmospheric pressure. The use of water as a cutting medium brings in many of working advantages such as no dust, no gas, and no thermal distortion. And an introduction of abrasives into the water jet flow increases signigicantly cutting abilities and improves cutting performance. Cutting with abrasive water jet involves many operating variables, including design of the cutting system. For efficient cutting, the operating parameters have to chosen properly. In spite of several attempts to develop the cutting model theoretically, all of the optimization of the operating parameters is based upon exerimental results of each jet cutting system. In this paper, the effect of the parameters was measured and analysed in terms of pressure, abrasive, and transverse rate of a workpiece. Most of all, sufficient feeding of abrasives is the most important factor for efficient cutting performance.
안영재 대한언어학회 2020 언어학 Vol.28 No.1
In this paper, I attempt to demonstrate that wh-question formation in Korean involves movement of a Q(uestion)-particle. Along the lines of Q-movement by Cable (2010) and Hagstrom (1998), I argue that the wh-question in Korean is derived by the movement of the Q-particle. This mechanism accounts not only for how the interpretation of the wh-word is achieved by the Q-particle but also for why the wh-word in Korean remains in situ. I argue further that the EPP on C is involved in successive cyclic Q-movement in Korean, which accounts for certain alleged island effects in Korean.
L2 Syntax-Semantics Interface of Wh-Questions
안영재 대한영어영문학회 2019 영어영문학연구 Vol.45 No.1
This article reports the results from a truth-value judgement task that investigates Korean speakers’ interpretation of complex and ambiguous wh-questions in English to identify the role of first language knowledge and Universal Grammar (UG) in second language (L2) acquisition. I examine this in the context of strong crossover (SCO) configurations in English. The findings demonstrate that the SCO effect is operative at the advanced levels of acquisition but not at the intermediate levels of acquisition, supporting the Feature Reassembly Hypothesis (Ladiere, 2009). I interpret this as indicating that L2 knowledge of phenomena at the syntax-semantics interface is constrained by UG.