상수도관의 부식방지를 위한 소석회 및 CO2 가스 최적 주입량 결정

정민경,송시범,우달식,남상호 한국물환경학회 ( 구 한국수질보전학회 ) 2005 공동 추계학술발표회 Vol.2005 No.-

Reconstruction of a large nasal defect using a folded forehead flap: a case report

정민경,전동근,김지남,최현곤,신동혁,조재훈,임영창,이명철 대한미용성형외과학회 2022 Archives of Aesthetic Plastic Surgery Vol.28 No.1

Forehead flaps are widely used to reconstruct nasal defects. The authors report a case wherein a folded forehead flap was used to reconstruct a large nasal defect after wide excision of squamous cell carcinoma. A 65-year-old man was diagnosed with squamous cell carcinoma by a punch biopsy conducted at the dermatology department, and the mass was located in the left nasal vestibule. A forehead flap was planned to cover the full-thickness defect that occurred after wide excision. A flap with an extended transverse skin paddle was designed; thereafter, the distant part of the flap was folded up to the nasal lining inside the nose. The interpolation flap was properly maintained for 3 weeks, and flap division was performed. The reconstructed nose exhibited symmetry during a 5-month observation period. A folded forehead flap is a surgical option when considerable nasal restoration, including soft tissue and the internal lining, is necessary.

상상공간 속 현실지리— 唐代 서사에 보이는 동아시아 해양문화를 중심으로

정민경 한국중국소설학회 2021 中國小說論叢 Vol.63 No.-

This paper takes the narrative of Tang Dynasty as the research object, and investigates the countries with imagination space in the East Asian Ocean. The communication between Tang Dynasty and East Asia is very active, so there are many stories related to East Asia, among them, they also pay attention to the marine culture and investigate the foreign countries in East Asia. Among the foreign countries that appear in the imaginary space, the representative ones are Chang-ren-guo(長人國) located in the east of Silla, Chang-xu-guo(長鬚國) located in the Sea of Okhotsk and Gou-guo(狗國), Mao-ren-guo(毛人國), Ye-cha-guo(野叉國), Da-ren-guo(大人國), Liu-qiu-guo(流虯國), Xiao-ren-guo(小人國) located in the the Ryukyu Islands, are investigated through various records. These countries sometimes become a space to express the Tang Dynasty’s understanding of foreign countries, and also a space to reflect the ideology and ideals of contemporary intellectuals. As an imagination space for adventure, they provide new materials for novel creation. 본고에서는 唐代 서사를 중심으로 동아시아 해역에 존재했던 상상공간으로서의 국가들에 대해 살펴보았다. 당대는 동아시아와의 교류가 활발했던 만큼 동아시아와 관련된 많은 이야기가 전해져 내려오는데, 그중에서도 해양문화에 주목하여 동아시아 섬에 존재했다고 여겨지는 異域 국가들에 대해 고찰했다. 상상의 공간으로 등장하는 이역 국가들 중에서 대표적으로 신라의 동쪽에 위치했다고 하는 長人國, 오호츠크 해에 존재했다고 하는 長鬚國, 오키나와 바다에 있다는 狗國, 毛人國, 野叉國, 大人國, 流虬国, 小人國을 여러 문헌을 통해 살펴보았다. 이들 나라는 때로 당나라의 외국에 대한 인식을 표현하는 공간이 되기도 하고 당대 지식인들의 이데올로기과 이상을 반영한 공간이 되기도 했으며 모험을 펼치는 상상의 공간으로 소설 창작에 새로운 소재를 제공하기도 했다.

《향, (香)렴, (廉)집(集)》, 주리정(周履靖)의 여성시에 대한 향유

정민경 중국어문학회 2014 中國語文學誌 Vol.47 No.-

本篇文章首先介紹明末編輯者周履靖的女性詩文總集《香렴集》的基本情況與文獻價値. 《香렴集》共12卷,收錄4位明以前女詩人,薛濤, 李冶, 上官昭容, 花예夫人與6位明末女詩人桑貞白,六聖姬,朱仲한,馬相蘭,趙今燕, 薛素素. 《香렴集》雖然爲胡文개所提起,但中國和國內연究界幾乎沒有注目,本篇文章最初具體介紹. 《香렴集》保存了壹些其他文獻裏조不到的稀少資料,具有壹定的史料價値. 而且《香렴集》收錄了周履靖所作的和答詩,可以探索周履靖和答詩的內在意義. 和答詩的內涵分爲三個部分進行分析,第壹,女性情感的交流,第二,反映非主流文人的情況,第三,諷刺時流和世態. 明末未入仕的士人追求可以代替科擧和官職的某種각色, 非主流文人往往把才女當做可以表現自我的他者. 我們通過對《香렴集》的理解可以更具體地把握明末非主流文人對女性詩的認識和享有.

비대칭 압연과 시효 시퀀스가 Al-Zn-Mg-Cu합금의 미세조직과 기계적 특성에 미치는 영향

정민경,이종범,김수현,한준현 한국열처리공학회 2023 熱處理工學會誌 Vol.36 No.5

The effects of aging treatment sequence, specifically pre-aging and post-aging, on the microstructure and mechanical properties of Al-Zn-Mg-Cu aluminum alloys has been studied in comparison to symmetrically rolled specimens. In symmetrically rolled specimens, a straight-band precipitation distribution was observed, whereas asymmetrically rolled specimens exhibited a curved-band microstructure of fine precipitates. Notably, the asymmetrically rolled specimens displayed higher strengths. In the case of post-aging, the aging process occurred after rolling, and the dislocations generated during rolling acted as nucleation sites for precipitates during aging. This resulted in the formation of fine precipitates, contributing to improved mechanical properties compared to symmetric rolling. To enhance strength of the Al-Zn-Mg-Cu aluminum alloys, asymmetric rolling proves to be more effective than symmetric rolling, with post-aging showing greater efficacy than pre-aging.

黃峨 散曲에 보이는 희곡적 특징 연구

정민경 중국문화연구학회 2020 중국문화연구 Vol.0 No.48

Huang-E, a female writer in the middle of Ming Dynasty is very good at San-Qu and occupies an important position in Ming Dynasty’s San-Qu history. She’s San-Qu is closely related to her life, and her husband, Yang-Shen, was also a famous San-Qu writer. Huang-E, who writes poetry well, had a happy newly married life after she married Yang-Shen. However, after Yang-shen was punished by the court and driven to Yun-Nan, she leads a lonely life. So Huang-E’s San-Qu expressed her Yearning and resentment for her husband. Huang-E was good at both Nan-Qu and Bei-Qu under the influence of Yang-Shen, was better at the Bei-Qu. She described the character, incident and background through the Bei-Qu, became a woman of noble birth, a prostitute, and a male figure in a San-Qu. Through the dramatic characteristics of Huang-E’s San-Qu, we can see that her San-Qu was singing various contents and tried various expressions. The content and formal analysis of Huang-E’s San-Qu could look at Huang-E’s naive, frankness, cheerful and freeness with Huang-E’s San-Qu, away from the way she had so far evaluated Huang-E’s work only in the shadow of her husband Yang-Shen. In the late Ming Dynasty after Huang-E, a large number of female San-Qu writers appear around the southern region. Huang-E’s talent and virtue have influenced female San-Qu writers a lot, also had a profound impact on Chinese women’s literature.

Helicobacter pylori 감염과 사회경제적 요인에 대한 연구

정민경,권영세,최현,최연호,홍윤철,Jung, Min-Kyong,Kwon, Young-Se,Choe, Hyon,Choe, Yon-Ho,Hong, Yun-Chul 대한소아소화기영양학회 2000 Pediatric gastroenterology, hepatology & nutrition Vol.3 No.1

목 적: 우리 나라 청소년기 소아의 H. pylori 감염 유병율을 조사하고, 사회경제적 요인이 청소년의 H. pylori 감염에 어떠한 영향을 미치는지 알아보고자 하였다. 대상 및 방법: 1996년 10월 부천시에 살고 있는 10~15세의 532명(남아 285명, 여아 247명)의 소아를 대상으로 채혈을 시행하여 혈청학적인 방법(serum IgG antibody)으로 H. pylori 감염을 진단하였다. 설문지를 통하여 성별, 연령, Hollingshead index에 따라 분류한 사회경제적 수준, 주거형태(전세 또는 자가), 혼잡지수(crowding index)를 조사하였는데, 532명 중 375명(70.5%, 남:여=205:170)의 설문이 회수되었다. Hollingshead index는 부모의 교육정도와 직업을 고려하여 구분하였고 crowding index는 식구수/방수로 구하였다. 각각 단변수 회귀분석 후 의미있는 결과를 모아 다중회귀분석을 시행하였다. 결 과: H. pylori 유병률은 남아에서 17.1% (32/205), 여아에서 16.5% (28/170)로 통계적으로 유의한 차이는 없었다(P=0.88). 10~11세, 12~13세, 14~15세의 세 연령군으로 나누어 비교한 결과, 연령이 증가할수록 H. pylori 유병률은 각각 10.3% (7/68), 15.9% (25/157), 20.7% (31/150)로 유의한 증가를 보였다(P=0.05). 사회경제적 수준을 Hollingshead index로 구하여 세 군으로 나누어 비교한 결과, 사회경제적 수준이 높을수록 H. pylori 양성은 각각 20.0% (23/115), 16.0% (39/244), 6.3% (1/16)로 감소하는 역비례 관계를 보였으나 통계적으로 유의한 차이는 아니었다(P=0.16). 전세와 자가를 비교했을 때 H. pylori 양성은 각각 15.7% (22/140), 17.5% (41/235)로 유의한 차이가 없었다(P=0.66). 혼잡지수(crowding index: 식구수/방수)가 1.5 미만일 때 H. pylori 양성은 16.0% (26/163), 1.5 이상일 때 17.5% (37/212)로 유의한 차이가 없었다(P=0.70). 다중회귀분석 결과 H. pylori 감염에 대해 연령은 odds ratio 2.2 (95% confidence interval 0.9~5.4), Hollingshead index에 의한 사회경제적 수준은 odds ratio 3.6 (95% confidence interval 0.5~28.9)이었다. 결 론: 부천시 청소년기 소아의 H. pylori 감염유병률은 16.8%이며, 부모의 교육정도와 직업에 따른 사회경제적 수준이 가족내 혼잡도, 주거형태보다 감염에 더욱 영향을 미치는 것으로 보인다. Purpose: This study was conducted to evaluate the association between H. pylori infection and socioeconomic status and to determine the current prevalence of H. pylori infection in Korean adolescents. Methods: A structured questionnaire was sent to the children's parents to obtain demographic information on the parents and environmental information. Of the 532 questionnaires sent out, 375 (70.5%; 170 girls and 205 boys) were returned. Their ages ranged from 10 to 15 years (mean, 12.9 years). After collecting blood samples, we measured serum IgG antibody to H. pylori using ELISA method. The association of risk factors such as age, sex, socioeconomic class, type of house, and crowding index with H. pylori infection were analyzed by multiple regression analysis. Socioeconomic status was estimated from the parents' education and occupation using a modified Hollingshead index. Results: The prevalence rate of H. pylori infection was 16.8% (63/375). It increased with age (10.3% at 10~11 years, 15.9% at 12~13 years, and 20.7% at 14~15 years). The H. pylori infection was inversely related to the socioeconomic class (6.3% for the upper class, 16.0% for the middle class, and 20.0% for the lower calss). Crowding condition and type of house did not affect significantly on seroprevalence of H. pylori infection. After logistic regression, we found that the odds ratio for age was 2.2 (95% confidence interval 0.9~5.4), and for socioeconomic status, 3.6 (95% confidence interval 0.5~28.9). Conclusion: The prevalence of H. pylori infection in Korean adolescents was 16.8%. It related inversely to socioeconomic status but was not statistically significant. Socioeconomic status based on parents' education and occupation seemed to affect more on H. pylori seroprevalence than crowding or type of house did.

2019 강릉-동해 산불 피해 지역에 대한 PlanetScope 영상을 이용한 지형 정규화 기법 분석

정민경,김용일,Chung, Minkyung,Kim, Yongil 대한원격탐사학회 2020 大韓遠隔探査學會誌 Vol.36 No.2

지형 정규화 기법은 영상 촬영 시의 광원, 센서 및 지표면 특성에 따라 발생하는 밝기값 상의 지형적인 영향을 제거하는 방법으로, 지형 조건으로 인해 동일 피복의 픽셀들이 서로 다른 밝기값을 지닐 때 그 차이를 감소시킴으로써 평면 상의 밝기값과 같아 보이도록 보정한다. 이러한 지형적인 영향은 일반적으로 산악 지형에서 크게 나타나며, 이에 따라 산불 피해 지역 추정과 같은 산악 지형에 대한 영상 활용에서는 지형 정규화 기법이 필수적으로 고려되어야 한다. 그러나 대부분의 선행연구에서는 중저해상도의 위성영상에 대한 지형 보정 성능 및 분류 정확도 영향 분석을 수행함으로써, 고해상도 다시기 영상을 이용한 지형 정규화 기법 분석은 충분히 다루어지지 않았다. 이에 본 연구에서는 PlanetScope 영상을 이용하여 신속하고 정확한 국내 산불 피해 지역 탐지를 위한 각 밴드별 최적의 지형 정규화 기법 평가 및 선별을 수행하였다. PlanetScope 영상은 3 m 공간 해상도의 전세계 일일 위성영상을 제공한다는 점에서 신속한 영상 수급 및 영상 처리가 요구되는 재난 피해 평가 분야에 높은 활용 가능성을 지닌다. 지형 정규화 기법 비교를 위해 보편적으로 이용되고 있는 7가지 기법을 구현하였으며, 토지 피복 구성이 상이한 산불 전후 영상에 모두 적용, 분석함으로써 종합적인 피해 평가에 활용될 수 있는 밴드 별 최적 기법 조합을 제안하였다. 제안된 방법을 통해 계산된 식생 지수를 이용하여 화재 피해 지역 변화 탐지를 수행하였으며, 객체 기반 및 픽셀 기반 방법 모두에서 향상된 탐지 정확도를 나타내었다. 또한, 화재 피해 심각도(burn severity) 매핑을 통해 지형 정규화 기법이 연속적인 밝기값 분포에 미치는 효과를 확인하였다. Topographic normalization reduces the terrain effects on reflectance by adjusting the brightness values of the image pixels to be equal if the pixels cover the same land-cover. Topographic effects are induced by the imaging conditions and tend to be large in high mountainousregions. Therefore, image analysis on mountainous terrain such as estimation of wildfire damage assessment requires appropriate topographic normalization techniques to yield accurate image processing results. However, most of the previous studies focused on the evaluation of topographic normalization on satellite images with moderate-low spatial resolution. Thus, the alleviation of topographic effects on multi-temporal high-resolution images was not dealt enough. In this study, the evaluation of terrain normalization was performed for each band to select the optimal technical combinations for rapid and accurate wildfire damage assessment using PlanetScope images. PlanetScope has considerable potential in the disaster management field as it satisfies the rapid image acquisition by providing the 3 m resolution daily image with global coverage. For comparison of topographic normalization techniques, seven widely used methods were employed on both pre-fire and post-fire images. The analysis on bi-temporal images suggests the optimal combination of techniques which can be applied on images with different land-cover composition. Then, the vegetation index was calculated from the images after the topographic normalization with the proposed method. The wildfire damage detection results were obtained by thresholding the index and showed improvementsin detection accuracy for both object-based and pixel-based image analysis. In addition, the burn severity map was constructed to verify the effects oftopographic correction on a continuous distribution of brightness values.

돌려주는 플라스틱 수거함

정민경,손장호 한국환경과학회 2020 한국환경과학회 학술발표회 발표논문집 Vol.2020 No.11

중국 명대 여성작가의 문학체험과 글쓰기 : 여성작가의 서발문(序跋文)과 서간문(書簡文)을 중심으로

정민경 이화여자대학교 이화인문과학원 2012 탈경계 인문학 Vol.5 No.2

Women in China have traditionally been considered to have suffered in silence under an ethic that was suffocating to them. However, a lot of literary works written by women were published in collections as printing technology developed in the Ming Dynasty and women writers as a group, not just as individuals, appeared. This phenomenon can give rise to a new trend in the history of Chinese literary studies, which has previously centered upon male writers, but the study of female Chinese writers is still few. This study therefore examines women’s literary activities and their literary philosophy through what the women writers directly wrote. First of all, I attempt to arrange prefaces and letters written by women in the collection of literary works Women’s Works in Recent History (歷代婦女著作考) and Collection of Letters Written by Women in History (歷代名媛文苑簡編), written by Ho Moon-gye, and The McGill-Harvard-Yenching Library’s Ming-Qing Women’s Writings (明淸婦女著作) and examine the characteristics of female literary style in them, dividing these into three large parts. The first is female education and female writing. Comparatively many books were published due to the development of the printing industry in the Ming Dynasty, and the opportunity for education was expanded to women connected to education. Women read various books and wrote their works based on the knowledge gleaned. Second, I treatliterary exchange and literary recognition through private groups. Women in the Ming Dynasty exchanged literature with each other and raised their literary knowledge through their favorite groups, wrote about their daily lives in their works, and continued to form bonds of empathy while reading theirworks together. Third, I note the individual and insignificant writing. Women in the Ming Dynasty were very enthusiastic for literary writing that expressed their own experiences and emotions. Women could encounter their own inner life through individual works describing their busy daily life and exchange their emotions with other women. In this way, female literary activities acted as a means of spreading the thoughts and desires of the heart and women’s views on literature, which are revealed directly and candidly in their prefaces and letters.