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남정현 ( Jung-hyun Nam ),천지연 ( Ji-yeon Chun ) 한국산업식품공학회 2021 산업 식품공학 Vol.25 No.4
본 연구는 저장 온도를 달리하여 높은 상대습도의 환경에서 건조 감자를 저장하였을 때 발생하는 품질변화를 관찰하였다. 저장기간 및 건조온도가 증가함에 따라 L* value는 감소하였고, a* 및 b* value는 증가하는 경향을 나타내었다. 수분활성도는 높은 습도 조건으로 인해 10일차부터 급격히 증가하였으며, 환원형 비타민 C 함량은 급격히 감소하는 경향을 나타내었다. pH 값은 저장기간 동안 완만하게 감소하였으며 40℃에서 저장했을 때 큰 폭으로 감소하였다. 저장기간 동안 대장균군은 검출되지 않았으며, 일반 세균 수는 저장 온도가 증가함에 따라 많이 검출되었다. 전체적으로 20℃와 30℃에서 저장한 시료 간의 차이는 크지 않았으나, 40℃에서 저장한 시료의 경우 큰 품질변화를 나타내었고, 밀봉된 상태로 저장한 대조구의 경우 품질변화가 적게 나타나는 것을 확인할 수 있었다. 따라서 본 연구결과를 종합해 볼 때, 밀봉하여 산소와 수분을 차단한 상태로 저장하는 것이 제품 고유의 특성을 유지하는데 가장 효과적이며, 높은 습도의 환경일 경우 낮은 온도로 저장하는 것이 품질 변화를 지연시키는데 도움이 될 것으로 판단된다. The main object of this study was conducted to investigate the quality characteristics of hot air-dried potatoes with various storage conditions at high relative humidity. Potatoes were prepared by blanching and soaking at 0.1% NaCl solution, and then drying at 58℃ for 16 hours by hot air. Dried potatoes were stored at 93% relative humidity and various temperature conditions (20℃, 30℃, 40℃), and samples stored at 20℃ after being sealed were used as a control. L* value tended to decrease, and a*, b* value tended to increase as the storage days and temperature increased. Furthermore, water activity was increased rapidly from 10 days due to high relative humidity conditions, and vitamin C content tended to decrease rapidly. pH value was decreased slowly at 20℃ and 30℃ but rapidly at 40℃. The coliform group was not detected during the storage period, and the total plate counts were detected further as storage temperature increased. Based on these results, low temperature storing is necessary to improve dried potato flakes at high relative humidity conditions during the storage period.
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남정광 ( Jeong Kwang Nam ),조득희 ( Deug Hee Cho ),서정권 ( Jeong Kwon Suh ),김성보 ( Seong Bo Kim ) 한국화학공학회 2011 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.49 No.5
The synthesis of dimethyl carbonate by liquid phase oxidative carbonylation of methanol was studied under batch reaction system. Reaction factors such as effect on various metals, anion containing in copper catalyst, temperature, carbon monoxide and oxygen molar ratio and copper content were investigated. In particular CuCl2·2H2O showed the excellent of the methanol conversion 65.2%, DMC selectivity 96.6% reaction condition under 1.0 g, 150 °C, MeOH/CO/O2=0.2/0.215/0.05 (molar ratio). CuCl2 led to corrosion of the reactor. Thus, a new catalyst system using supports was investigated to resolve these corrosion problem. Influence on various supports were examined and copper catalyst supported on zeolite Y showed the most excellent activity on the formation of dimethyl carbonate. The amount of Fe dissolved during the reaction using ICP-AES (Inductively Coupled Plasma-Atomic Emission Spectrometer) was compared with catalysts, calcined Cu/zeolite Y showed the lower value below 5% than CuCl2-2H(2)O.
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남정석(Jung Suk Nam),최수근(Soo Keum Choi),김동석(Dong Seok Kim) 한국조리학회 2010 한국조리학회지 Vol.16 No.4
In order to apply oriental medicine materials, which are applicable to the LOHAS concept demanded recently in society, to sauces, this study added different amounts of Omija, which has been proved to have various efficacies, effects and functions, to Bulgogi sauce with soy sauce as its main ingredient and analyzed the functionality of the prepared sauce through physical and sensory tests. General component analysis showed that, with increase in the Omija content, water content, crude ash and crude protein decreased, and crude fat was not detected. As to color, L-value gradually increased with Omija content increased, and a-value indicating redness also increased as Omija extract added increased. The higher the Omija content was, the lower pH and salinity were and the higher viscosity was. In the quantitative descriptive analysis of Omija Bulgogi sauce, with increase in the Omija content, color, flavor, taste and aftertaste grew stronger, and in the results of palatability test, the sauce containing Omija 5% was preferred most in all the evaluated items. In the quantitative descriptive analysis of Omija Bulgogi, with increase in the amount of Omija extract added, the strength of color, the flavor of sauce, and the taste of Omija grew stronger and the unpleasant smell, saltiness, sweetness and unpleasant taste grew weaker. Summing up the result of this study, when we tested five specimens of different Omija contents including a control, the specimen of 5% content was preferred most. This result suggests that other kinds of fruit juice may be usable in soy sauce Bulgogi sauce and continuous efforts should be made to develop new types of Bulgogi sauce.
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남정애(Jung-Ae Nam) 인문사회과학기술융합학회 2019 예술인문사회융합멀티미디어논문지 Vol.9 No.5
데이비드 오번의 희곡『증명』은 사망한 아버지로부터 수학적 천재성과 정신적 질병을 물려받은 25세의 한 여성에 관한 작품이다. 여성수학자인 캐서린은 자신의 업적과 정체성을 증명하기 위해 다양한 방법으로 투쟁하지만 젊은 여성이 진실에 대한 과학적 개념을 객관적으로 증명하는 과정이 얼마나 어려운가를 깨닫는다. 이 극은 수학적 이론인 ‘소수’에 대한 위대한 발견의 원작자가 죽은 아버지인 로버트와 그녀의 딸인 캐서린 중 누구인가를 추적하는 일종의 미스터리 극이다. 극중에서 캐서린을 위대한 수학자로 인정하는 사람은 아무도 없기 때문에 그녀는 정신적인 혼란과 광기로 고통 받는다. 본 연구는 캐서린의 심리기제인 ‘광기’의 원인들과 증상을 페미니즘 이론과 정신분석 시각에서 탐색하고 캐서린의 천재적 수학재능과 광기, 엘렉트라 콤플렉스, 가면과 자아를 통해 여성수학자의 한계와 삶의 불확실성과의 관계를 논의하고자 한다. 캐서린의 광기는 남성 중심적인 수학세계에서 생존을 위한 수단으로 재현되고 있다. David Auburn’s Proof is a play about a 25-year old woman who inherited genius in mathematics and a mental illness from her dead father. A female mathematician Catherine struggles to prove her achievement and identity in various ways but she realizes how difficult a woman proves a scientific notion about the truth objectively. This play is a kind of mystery that investigates who, the dead father or his daughter, is the great original writer about a mathematical prime number theory. In this play no one concedes Catherine as a great mathematician so she suffers from the mental confusion and madness. This study investigates the reasons and the symptoms of Catherine’s psychological mechanism ‘madness’ in view of feminism theory and psychoanalysis, also tries to discuss the relations between a female mathematician’s limitation and the uncertainty of life through her gifted mathematical talent and madness, Electra Complex, the mask and the self. Catherine’s madness is represented as a means to survive in a male-oriented world of mathematics.
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계몽에서 야만으로의 추락 -괴테의 『이피게니에』에서 호프만스탈의 『엘렉트라』로
남정애 ( Jwong Ae Nam ) 한국독어독문학회 2011 獨逸文學 Vol.119 No.-
Indem Goethes Iphigenie Konflikte durch Wahrheit und Menschlichkeit lost, verkorpert sie ein ideales Menschenbild, das als eine unentbehrliche Grundlage fur die humanitare Welt gilt. In Hofmannsthals Tragodie Elektra entfaltet sich aber eine finstere Welt, in der die Menschen ihr bestialisches Wesen hemmungslos externalisieren. Hier hat es den Anschein, als ob im Zeitraum zwischen Goethe und Hofmannsthal ein Ruckzug der Menschen auf die Barbarei erfolgt ware. In dieser Arbeit wird versucht, diesen auf die Transformation des Mythos projizierten Ruckzug in Betracht zu ziehen, und zwar in Hinsicht auf die Beziehung zwischen Gott und Mensch. Diese Betrachtungen gliedern sich in drei Teile. Zuerst wird beleuchtet, wie Goethes Iphigenie gegen die Willkur der Gotter die Autonomie des Menschen im Geist der Aufklarung verkorpert. Im Anschluss daran wird auf die in die Barbarei gesturzte Welt in Hofmannsthals Elektra eingegangen. Dabei ist auszufuhren, dass die Gottesferne die Bestialitat der Menschen erweckt hat, weil Gott in Hofmannsthals Tragodie als die Gerechtigkeits- und Ordnungsinstanz fur das Zusammenleben der Menschen zu verstehen ist. Zum Schluss wird noch die Interpretation der Figuren in beiden Dramen im Zusammenhang mit Dialektik der Aufklarung versucht, was die Kritik an der Aufklarung in der literarischen Form veranschaulicht.
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만성(慢性) 순환기계질환(循環器系疾患) 유병률(有病率)과 관련위험요인(關聯危險要因) 분석(分析)
남정자 ( Jungja Nam ) 한국보건사회연구원 1996 保健社會硏究 Vol.16 No.2
우리나라에서 순환기계질환으로 인한 사망은 전체 사망원인의 35.9%로서 제 1위를 차지하고 있으며 그 비율 또한 최근 꾸준한 증가추세를 보이고 있다. 本 硏究에서는 『1995년도 국민건강 및 보건의식행태조사』 자료를 분석하여 慢性循環器系疾患(高血壓, 腦卒中, 心臟病)의 유병률과 관련 危險要因을 파악하였다. 有病率을 산출하기 위해서는 국민건강조사 대상자(22,675명)를 분석대상으로 하였고 危險要因의 파악을 위해서는 15~69세에 해당되는 성인 6,480명을 분석대상으로 삼았다. 분석방법은 교차분석과 다변량 로지스틱 회귀분석을 실시하였다. 분석결과 高年齡, 低所得階層, 남자에서 循環器系疾患 유병률이 높았으며 過多體重, 수면부족, 스트레스가 순환기계질환의 主要 危險要因으로 나타났다. 糖尿인 경우는 순환기계질환에 걸릴 위험이 1.5배나 높게 나타났다. 이와같은 結果는 이 분야의 여러 先行 연구결과와 일치되는 것으로 매우 의미가 있다. 반면에 타 연구에 비해 吸煙, 飮酒, 운동부족이 순환기계 질환의 主要 危險要因으로 파악되지 않은 것은 橫斷的 硏究가 지닌 제한점으로 해석되며 앞으로 追跡調査 등과 같은 보다 면밀한 설계에 의한 연구가 필요함을 示唆하는 것이라 하겠다. In Korea, death certificate data indicate that cardiovascular diseases were the number one leading cause of death during 1995. Cardiovascular disease was also found to be the most prevalent among all chronic diseases. The purpose of this study was to identify the prevalence and risk factors of cardiovascular diseases. The 1995 Korean National Health Interview Survey data, which consisted of a random sample of 6,720 households (22,000 individuals), were analysed. The analytic methods for the study were multiple logistic regression using SAS version 6.4 with chi square test. Several risk factors that increase the risk of cardiovascular disease were identified. Gender - men have a greater risk of cardiovascular disease than woman. Age - those aged 40 or older are three times as likely to have cardiovascular disease those less than 40. Socioeconomic Status - people with a low income have a greater risk of developing cardiovascular disease. Overweight - people who are more than BMI 25(over weight) are more likely to develop cardiovascular disease. Diabetes - diabetes increases the risk of developing cardiovascular disease. However, certain lifestyle behaviors, such as smoking, alcohol consumption and physical inactivity, have not been identified as risk factors by this study. This fact can be explained by the limitation of cross-sectional data in this study. Further study with more a detailed study design, such as a longitudinal study, should be attempted.
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