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강성우,Kang, Sung-Woo The English Teachers Association in Korea 2002 영어어문교육 Vol.7 No.2
The present study examined whether Kang's (1999) model of the relationships among language learning strategy use and language proficiency for the Asian students could be applied to a more heterogeneous group. In Kang's study, he collected information of language learning strategies of 957 foreign students learning English as a second language in American colleges through a questionnaire. He also measured the subjects' language proficiency with the Institutional Testing Program TOEFL (Test of English as a Foreign Language). This study analyzed the same data without the limitation of cultural identity. Structural equation modeling was used to model the relationships among strategy use and language proficiency. Then, the model of the present study was descriptively compared with Kang's (1999) model for the Asian students. The overall flow of the relationship paths appeared to vary very little across the two models, which would have indicated that the generalizability of Kang's (1999) model could be extended more than originally examined. (156)
강성우,김태희,문주호,김성열,박준영,최선희,김주선,Kang, Sung-Woo,Kim, Tae-Heui,Moon, Joo-Ho,Kim, Sung-Youl,Park, Jun-Young,Choi, Sun-Hee,Kim, Joo-Sun 한국세라믹학회 2008 한국세라믹학회지 Vol.45 No.11
High frequency dielectric ceramics have potential for applications in mobile and satellite communications systems at frequencies higher than 10GHz. The Ba$(Zn_{1/3}Ta_{2/3})O_3$ ceramics are known to have a high quality factor, a small temperature coefficient of the resonance frequency and a high dielectric constant. On the other hands, sintering at high temperature for extended time is required to obtain the ordered structure for high quality factor. In this study, the microwave dielectric properties of $ZrO_2$ and NiO-added Ba$(Zn_{1/3}Ta_{2/3})O_3$ ceramics prepared by solid-state reaction have been investigated. Adding $ZrO_2$ and NiO could effectively promote the densification even the case of decreasing the sintering time. At the surface of samples, secondary phase of Ba-Ta compounds was formed possibly due to the evaporation of ZnO, however, the interior of the samples remained as pure Ba$(Zn_{1/3}Ta_{2/3})O_3$. The samples sintered at $1600^{\circ}C$ for 2h exhibited 1:2 ordering of Zn and Ta cations. Excellent microwave dielectric properties of $Q{\cdot}f$(>96,000 GHz) and ${\varepsilon}_r$=30 has been obtained.
아스트라제네카 코로나19 백신(ChAdOx1 nCoV-19/AZD1222)을 접종한 환자에서 한방 치료의 안전성 : 사례군 연구
강성우,홍성은,박지원,권승원,윤상협,김관일,이범준,정희재,Kang, Sung-woo,Hong, Sung-eun,Park, Ji-won,Kwon, Seungwon,Yoon, Sang-hyub,Kim, Kwan-il,Lee, Beom-joon,Jung, Hee-jae 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.4
Objectives: The purpose of this study is to examine the safety of Korean medicine treatment in patients vaccinated with the AstraZeneca COVID-19 vaccine (ChAdOx1 nCoV-19/AZD1222). Methods: We investigated patients at Kyung Hee University Korean Medicine Hospital who were vaccinated with the AstraZeneca COVID-19 vaccine between June 1, 2021 and June 30, 2021. The safety of Korean medicine treatment was evaluated by examining adverse events that occurred within seven days of vaccination, including liver function and kidney function testing, assessment of the severity of adverse events, and examination of causality to vaccines and Korean medicine treatment. Results: Eleven patients vaccinated with the first dose of the AstraZeneca COVID-19 vaccine were included. A total of 19 adverse events were reported: 15 systemic adverse events, three local adverse events, and one alanine aminotransferase increase. The most commonly reported systemic adverse events were fatigue (4 cases, 36.4%), headache (4 cases, 36.4%), and myalgia (4 cases, 36.4%). All adverse events were rated below moderate (grade 2) in severity. Systemic and local adverse events were evaluated as definitely related to vaccination and unlikely to be related to Korean medicine treatment, while alanine aminotransferase increase was evaluated as unlikely to be related to either the vaccine or Korean medicine treatment. Aspartate transaminase, Blood urea nitrogen, and creatinine were measured within the reference range after vaccination. Conclusion: Our results suggest that the severity and frequency of adverse events in patients vaccinated with the AstraZeneca COVID-19 vaccine did not increase after Korean medicine treatment.
Y - 제올라이트계 촉매를 이용한 나프탈렌류의 이소프로필화 반응
강성우,양오봉,이경희 ( Sung Woo Kang,O Bong Yang,Kyung Hee Lee ) 한국화학공학회 1996 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.34 No.3
Selective catalytic isopropylation of 2-methylnaphthalene(2-MN) to obtain 2,6-dialkylnaphthalene over Y-zeolite catalyst was studied in a continuous flow micro reactor under atmospheric pressure. NaY, HY and cation-exchanged Yzeolite catalysts were characterized by temperature programmed desorption(TPD) with NH₃ and the used catalysts by temperature programmed oxidation(TPO) of coke. HY-zeolite showed initially a high activity(about 90% conversion) and then was deactivated rapidly with time on stream. The catalysts ion-exchanged by Zn^(2+), Co^(2+), Ca^(2+) and Mg^(2+)(Zn/NaY, Co/NaY, Ca/NaY and Mg/NaY) offered a remarkably improved stability, which was attribute to less amount of coke formed during reaction as shown in TPO results. The stability of Zn/NaY treated by chemical vapor deposition or impregnation of tetraethyl orthosilicate(TEOS) against deactivation was slightly enhanced. However, the selectivity to 2,6-dialkylnaphthalene was not improved by cation-exchange and TEOS treatment of Y-zeolite.
초등영어 수업 주체와 영어 학습부진 개선 주체에 대한 초등교사들의 인식에 관한 연구
강성우(Sungwoo Kang),이선(Sun Lee) 한국초등영어교육학회 2022 초등영어교육 Vol.28 No.4
This study aimed to investigate the perceptions of primary school teachers on who would be best to teach English and who should take responsibility for improving the English learning of underachievers in English. For the study, 107 elementary school teachers participated in the survey, and they consist of three groups: English subject specialized teachers (ETs), homeroom teachers (HTs), and homeroom teachers teaching English (HTEs). The results of the study are as follows. First, regarding who should teach English, 64.5% of 107 teachers answered ETs should be in charge of English classes, while only 28% of them suggested that HTs should. Compared to the other two groups, a higher percentage of HTEs favored having homeroom teacher teaching English. Second, regarding the responsibility of teaching English to underachievers, 70.5% of ETs and 86% of HTs answered that ETs should take more responsibility than HTs at a ratio higher than 8:2. In other words, most teachers think that ETs should have a higher percentage of responsibility in improving poor English learning. Discussions and suggestions are made on what to do in consideration of the findings on teachers’ perception and the ideal situation to help underachievers in English.
강성우(Kang, Sung-Woo) 한일관계사학회 2018 한일관계사연구 Vol.60 No.-
본고는 서양인들이 개항기 조선의 위생에 대해 남겼던 기록을 검토하면서 오리엔탈리즘(Orientalism)에 대해 논하고 또한 오리엔탈리즘을 넘어선 논의의 단초를 마련하려고 한다. 오리엔탈리즘은 서구 중심의 시각에 대해 반대하여 편향된 시각에 대한 새로운 관점을 제시했다는 측면에서 의미있는 기여를 한 것은 사실이지만, 오리엔탈리즘적이라는 비판은 이제 더 이상 새로운 것이 아닌 진부한(clichè) 것이 되어 버렸다. 서세동점의 시대였던 19세기에 조선을 방문한 서양인들에게 위생은 중요한 문제였고, 위생 자체가 근대와 함께 성장한 개념이었다. 위생의 논의를 통해 오리엔탈리즘적 시각을 넘어서기 위해 동시대에 유럽의 대도시로 여겨졌던 프랑스 파리와 영국 런던의 위생 상태에 대한 기록도 함께 살펴보고, 오리엔탈리즘으로 해석할 수 없는 기록들을 발굴하여 오리엔탈리즘이라는 단선적인 해석을 넘어서는 논의를 하려고 한다. 그리고 후속 연구에서 탈-오리엔탈리즘적인 다양한 해석들을 위한 기반을 마련하려고 한다. This study aims to deconstruct the orientalist interpretations of western view on Korea in the late nineteenth century(Open port period) in relation to hygienic modernity. Edward Said in his groundbreaking book Orientalism has tackled eurocentric view on the Orient. However, Said’s monolithic Orientalism fails to account fully for the complex motives and meanings behind the documents about the Orient that were recorded. Moreover, Orientalism has become clichè, a tired repetition. For this reason, I attempt to challenge orientalist interpretation by examining the western impression of Korea in the late nineteen century. In particular, I focus on “hygienic modernity,” which is often considered as a representation of modernity. With the opening of Korea in 1876, many foreign visitors and sojourners from the Western countries, including Britain, France, Germany, Russia, and U.S., came to Korea. And they kept records of their impressions on Korea and Korean. The dominant interpretation of Westerners’ impressions on Korea in the late nineteenth century have been monolithically Orientalism. In this paper, I analyze how westerners’ impressions of Korea and Koreans in the late nineteenth century were shaped and developed in various ways as were essentially necessary by the influences of the situations. In so doing, I suggest multiple-layered interpretations of Korean history.
Discontinuous Galerkin 방법을 이용한 비정렬 격자계의 유동 소음해석
강성우(Sungwoo Kang),유정열(Jung Yul Yoo) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
Discontinuous Galerkin method (DG) is a hybrid of finite element method and finite volume method, which uses polynomials to approximate solutions within elements and incorporates approximate Riemann solver between neighboring elements to reflect wave propagation. We use DG to solve compressible unsteady Navier-Stokes equation for the problems of noise generation from fluid flow. To obtain high-order accurate solution for aeroacoustics, high-order polynomials are used for DG spatial discretization with explicit Runge-Kutta method. This method is applied to aeroacoustics of flow around sphere and grazing flow over cavity. Test cases are solved on unstructured mesh.