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허규 ( Gyoo Huh ),이현주 ( Heun-joo Lee ),최영준 ( Young-jun Choi ),김원석 ( Won-serk Kim ),이가영 ( Ga-young Lee ) 대한피부과학회 2021 大韓皮膚科學會誌 Vol.59 No.10
Granuloma annulare (GA) is a common non-infectious granulomatous disease. Generalized GA is the second most common variant of GA. It is often associated with recalcitrant disease progression despite treatment. The lesion of generalized GA typically presents widespread papules that coalesce to form annular plaques over the whole body. We report a case of a patient with disseminated papules and coalescing annular plaques, primarily involving the intertriginous area and mimicking tinea corporis or cruris. Histopathological findings confirmed the lesion as GA. This case underscored the unusual clinical presentation of generalized GA. A case of GA localized to the intertriginous area has rarely been reported. Given the recalcitrant nature of the disease, dermatologists should consider generalized GA as a differential diagnosis in patients with an annular lesion involving the intertriginous area. Thus, we report this as an atypical case of generalized GA localized to the intertriginous area. (Korean J Dermatol 2021;59(10):797∼800)
유사한 전자상태를 가지는 타이타늄 합금의 영률에 베타 안정화 원소 함량이 미치는 영향
유가영 ( Ga Young Yoo ),박찬희 ( Chan Hee Park ),홍재근 ( Jae Keun Hong ),김승언 ( Seong Eun Kim ),강남현 ( Seong Eun Kim ),염종택 ( Jong Taek Yeom ) 대한금속재료학회(구 대한금속학회) 2013 대한금속·재료학회지 Vol.51 No.4
Previously, Gum Metal (Ti-24(Nb + Ta + V)-(Zr, Hf)-O (at%)) exhibiting an ultralow Young`s modulus, ultrahigh strength and super elasticity was developed by Saito et al., who proposed that three electronic magic numbers, an average electron/atom (e/a) ratio of 4.24, an average bond order (Bo) of about 2.87, and an average “d” electron-orbital energy level (Md) of about 2.45 eV, should be satisfied simultaneously to obtain such “super” properties. The purpose of this study was to find new alloy systems possessing those properties and to examine the effect of beta equivalent content ([Mo]eq) on Young`s moduli of new alloys having the same three electronic numbers mentioned above. It was found that not only three electronic numbers but also [Mo]eq should be considered to obtain a similar Young`s modulus and hardness with respect to the Gum Metal.
이종접합 Gate 구조를 갖는 수평형 NiO/Ga<sub>2</sub>O<sub>3</sub> FET의 전기적 특성 연구
이건희 ( Geon-hee Lee ),문수영 ( Soo-young Moon ),이형진 ( Hyung-jin Lee ),신명철 ( Myeong-cheol Shin ),김예진 ( Ye-jin Kim ),전가연 ( Ga-yeon Jeon ),오종민 ( Jong-min Oh ),신원호 ( Weon-ho Shin ),김민경 ( Min-kyung Kim ),박철환 ( 한국전기전자재료학회 2023 전기전자재료학회논문지 Vol.36 No.4
Gallium Oxide (Ga<sub>2</sub>O<sub>3</sub>) is preferred as a material for next generation power semiconductors. The Ga<sub>2</sub>O<sub>3</sub> should solve the disadvantages of low thermal resistance characteristics and difficulty in forming an inversion layer through p-type ion implantation. However, Ga<sub>2</sub>O<sub>3</sub> is difficult to inject p-type ions, so it is being studied in a heterojunction structure using p-type oxides, such as NiO, SnO, and Cu<sub>2</sub>O. Research the lateral-type FET structure of NiO/Ga<sub>2</sub>O<sub>3</sub> heterojunction under the Gate contact using the Sentaurus TCAD simulation. At this time, the VG-ID and VD-ID curves were identified by the thickness of the Epi-region (channel) and the doping concentration of NiO of 1 × 10<sup>17</sup> to 1 × 10<sup>19</sup> cm<sup>-3</sup>. The increase in Epi region thickness has a lower threshold voltage from -4.4 V to -9.3 V at I<sub>D</sub> = 1 × 10<sup>-8</sup> mA/mm, as current does not flow only when the depletion of the PN junction extends to the Epi/Sub interface. As an increase of NiO doping concentration, increases the depletion area in Ga<sub>2</sub>O<sub>3</sub> region and a high electric field distribution on PN junction, and thus the breakdown voltage increases from 512 V to 636 V at I<sub>D</sub> =1 × 10<sup>-3</sup> A/mm.
임정훈,Lee Ga Young,Jeon Yena,Jung Hee-Yeon,Choi Ji Young,CHO, JANG-HEE,Park Sun Hee,김용림,Kim Hyung-Kee,Huh Seung,유은상,Won Dong Il,Kim Chan-Duck 대한신장학회 2022 Kidney Research and Clinical Practice Vol.41 No.3
Background: The number of elderly patients with end-stage kidney disease has been increasing, but the outcomes of kidney transplants (KT) remain poorly understood in elderly patients. Therefore, we evaluated the clinical outcomes of elderly KT recipients and analyzed the impact of elderly donors. Methods: This retrospective cohort study included patients who underwent KT between 2000 and 2019. KT recipients were divided into four groups according to a combination of recipient and donor age (≥60 or <60 years); elderly recipients: old-to-old (n = 46) and young-to-old (n = 83); young recipients: old-to-young (n = 98) and young-to-young (n = 796). We compared the risks of mortality, graft failure, and acute rejection between groups using Cox regression analysis. Results: The incidence of delayed graft function, graft failure, and acute rejection was not different among groups. Annual mean tacrolimus trough level was not lower in elderly recipients than young recipients during 10-year follow-up. Mortality was significantly higher in elderly recipients (p = 0.001), particularly infection-related mortality (p < 0.001). In multivariable Cox regression analysis, old-toold and young-to-old groups had increased risk of mortality (adjusted hazard ratio [aHR], 2.89; 95% confidence interval [CI], 1.14– 7.32; p = 0.03; aHR, 3.06; 95% CI, 1.51–6.20; p = 0.002). However, graft failure and acute rejection risks were not increased in elderly recipients. Conclusion: In elderly recipients, graft survival and acute rejection-free survival were not inferior to those of young recipients. However, mortality, especially risk of infection-related death, was increased in elderly recipients. Thus, low immunosuppression intensity might help decrease mortality in elderly recipients.
반가영 외 중앙대학교 의과대학 의과학연구소 2011 中央醫大誌 Vol.36 No.3/4
Diabetic muscle infarction (DMI) is a rare complication that usually occurs in patients with longstanding microvascular complications of diabetes. The typical clinical presentation of DMI includes a sudden onset of pain, tenderness, and swelling of the lower limbs. DMI can be diagnosed by typical clinical manifestations and magnetic resonance imaging (MRI). Treatment usually includes immobilization of the affected extremity and taking analgesics. A 44 year-old woman with type 2 diabetes mellitus and Hashimoto's thyroiditis for 10 years, presented with an abrupt and spontaneous onset of severe pain in the left thigh. In order to evaluate the etiology, angio-computed tomography, bone scan, and MRI of the lower extremities were performed. DMI was diagnosed based on the hyper-intense T2 weighted signals on the MRI. The patient was fully recovered with the conservative treatment.
[논문]설마천 유역의 토양수분 변화양상의 장기관측과 분석
이가영,김기훈,김상현 부산대학교 환경문제연구소 2004 環境硏究報 Vol.22 No.-
Monitoring and Anaysis of Spatial-temporal Distribution of Soil Moisture for Sulmachun Watershed
의류상품의 신문광고 효용에 관한 연구 : 여성 기성복 광고를 중심으로 Focused on Advertising for Women's Ready-to Wear
김가영,이선재 한국의류학회 1995 한국의류학회지 Vol.19 No.2
This study intended to provide valuable basic data for an efficient using newspaper advertising to manufactures by investising and analyzing the character of newspaper as fashion advertising and media environment, consumer's attitude of advertising subscription, a degree of recognition and concern on a newspaper advertising and a degree of like on expressive form of a newspaper advertising. A question that is drawn up by researcher base on existing records and preceding study was used as major method for understanding consumer's consciousness. The sample group is composed of female students, working women, housewives who lives in Seoul. The results of this study were as follows. 1. Manufactures should be developing Headline in subject matter to get out of plain sale advertising and event advertising. 2. Manufactures should difference to understanding Illustration that consumer prefer. Also using of photography is efficient and it is importent to use of color advertising that appeal to consumer. 3. The informative advertising is a high degree of efficiency by reason that the newspaper offers great news source and information.
도근영,김가현,이승휘,옥치율,강대석 東亞大學校 海洋資源硏究所 2003 硏究論文集 Vol.15 No.-
This study started with the measured experiment of climatic characteristic at the coastal reclamation area formed by the reclamation and development which is inevitable selection presently. As a result of the examination, the climate variation is predicted to be large in summer and the salt concentration is shown in the order of top layer, bottom layer and intermediate layer. Therefore, the greens space and wind path are occupied at the coastal reclamation.
가정보육시설과 기관보육시설의 질적 특성과 영아의 사회·정서 발달
최보가,문영경 대한가정학회 2004 Human Ecology Research(HER) Vol.42 No.1
The purposes of this study were to investigate the quality (structure and process) of home-based day care and center-based day care, and to examine socioemotional development among infants who were in both types of day care. The subjects of this study were 101 infants who were in home-based day care and 181 infants who were in center-based day care. The measurements were socio-emotional development scale and assessment scales for day care programs. Results indicated that, first, home-based day care did not significantly differ from center-based day care in terms of structure. Second, home-based day care were, to some degree, significantly different from center-based day care in the process: home-based day care had better play environment and play activities than did center-based day care. Lastly, there were significant differences in socio-emotional development among infants according to the type of day care: infants in home-based day care were more independent to their teacher and felt more secure in child care homes than was true for the infants in center-based day care.
정철영,고재관,황원채,윤희철,박가열,김재호,이성식,김동승,표성일,이건남,양안나,최수정,김은석 한국직업능력개발원 2008 직업능력개발연구 Vol.11 No.1
이 연구의 목적은 제대군인에 대한 효율적인 전직지원을 위해서 현행 전직지원 프로세스에 대한 개선 안과 이에 따른 국방부, 국가보훈처 등 제대군인 전직지원관련 기관 간의 역할분담 및 연계방안에 대해서 제안하는 것이다. 연구는 크게 세 가지 과정을 거쳤다. 첫째, 국내 군 전직지원 실태를 분석하여 문제점과 시사점을 도출하였다. 둘째, 이러한 문제점과 시사점, 군 전직지원 선행연구를 종합하여 효율적인 군 전직지원 프로세스 안을 제시하였다. 셋째, 구축한 군 전직지원 프로세스 안에 따라 주요 군 전직지원 관련 기관인 국방부, 국가보훈처의 역할 분담 안을 제안하였다. This study aims to suggest an improvement plan for the support process of effective occupation change for discharged soldiers and then role assignments among related institutions for supporting discharged soldiers such as Ministry of Defense, Ministry of Patriots and Veterans Affairs, Ministry of Labor and the cooperation plan among the institutions. The study was made in three steps. First, after analyzing currents support facts and status for discharged soldiers, it induced its problems and implications. Second, integrating the findings of previous studies related to support plan on occupation changes for the discharged soldiers, Problems and implications mentioned above, it constructed effective occupation change process for discharged soldiers. Then, according to the established process, it suggested role assignments such as Ministry of Defense, Ministry of Patriots and Veterans Affairs, Ministry of Labor.