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안현경,이인형 한국산학기술학회 2002 한국산학기술학회논문지 Vol.3 No.3
암모니아 대신 에탄올아민은 원자력 발전소 2차계통수에서 pH를 증가시켜 철 부식을 억제하고, 증기발생기 전열관의 건전성을 제고하기 위해 사용하고 있다. 에탄올아민은 암모니아와 물리화학적 성질이 다르므로, 증기발생기에 유입되는 부식생성물의 용해와 흡착, 이온성 불순물의 잠복현상에 미치는 영향이 다르다. 본 연구에서는 온도가 증가함에 따라 암모니아와 에탄올아민이 부식생성물에 대한 용해와 흡착, 이온성 불순물의 잠복현상에 미치는 영향을 조사하였다. 2차 계통수의 pH 제어제로서 에탄올아민은 암모니아보다 증기발생기 슬러지의 철산화물에 많이 흡착되어 철산화물의 용해도를 증가시키므로 퇴적된 슬러지의 양을 감소시키며, 또한 슬러지에 흡착된 불순물의 양을 감소시켜 잠복 현상을 억제할 것으로 판단된다. Ethanolamine (ETA), instead of ammonia, increases pH in the secondary system water and inhibits the corrosion of iron, which improves the integrity of the steam generator tubes. The different physicochemical properties of ETA from ammonia provide the different effect on the dissolution and adsorption of corrosion products entering the steam generator and thus on the hideout returns of ionic impurities in the steam generator sludge pile. The objective of this study was to investigate those properties with increasing temperature, ETA is more adsorbed onto the iron oxides, which increases the solubility of them and also lowers the hideout returns due to the reduced impurities adsorbed.
현대 한국미인 이미지와 미를 가꾸면서 얻게 되는 보상에 대한 연구
안현경,An, Hyeon-kyeong 한국패션비즈니스학회 2017 패션 비즈니스 Vol.21 No.4
This study is to understand the image of the Korean beauty and rewards to be gained by trying to be a beautiful person and to study differences according to demographic characteristics. It was studied with the purpose of industrializing beauty image and selling it to foreign countries. The survey questionnaire was distributed to Seoul and Kyeongkido. Respondents totaled 301. Collected data were analyzed with frequency analysis, factor analysis, $X^2$-test, and regression. Results are ; (1) The external image of Korean beauty emphasizes round face, white skin, big eyes, double eyelids, round head shape, early twenties, tall, low body weight, thin waist, long neck, long legs, and thin fingers. (2) The inner image of the Korean beauty emphasizes mature personality, social economic ability, but not housework, and cultural artistic ability. (3) Rewards gained by trying to be a beauty are psychological, actual, and social ones. (4) External face and body image of the beauty are different by demographic characteristics (sex, age, marital status, final education, monthly average income, religion). (5) The inner image of the beauty is different by age, final education, and monthly average income. (6) Rewards gained by trying to be a beauty are different by sex, age, final education, and monthly average income.
안현경,이귀영 한국미용학회 1997 한국미용학회지 Vol.3 No.1
By investigating historical and cultural background of apparent appearance of Orientalism in 20th century, and by collecting costumes, make ups, and hair ornaments that show the effects of Orientalism, this research examined a sort of trend that traditional arts and ethnic modes in many cultural units has been adoped and modified for re-creation of new modern artistic images in 20th century. Also, this research eventually aimed to attain some momentum that a group of Korean design patterns should establish a firm position in the international beauty art arena with its unique make ups and hair designs which are inspired and motivated by traditional characteristics of Korean culture and life style. From the beginning of 20th century, development of industrialization and mass communication drove the world into globalization, generalization, and mechanization. Those environmental changes enabled them to make active cultural trade among continents and made it easier to use ethnic styles as design motives. Among a variety of ethnic styles, the Eastern style has been continuously and periodically represented and once was thrived as a unique mode in the western culture. Many make up and hair styles which could be found in Eastern tradition have been recreated by adding functional and aesthetic modern senses, and those differentiated style and techniques were evaluated as excellent materials for modern beauty art. Orientalism, as an important theme of modern fashion, is expected to play a key-role for the time being because of the increasing interest in retrospective mode and Asian culture.
안현경,김상대,이인형 한국산학기술학회 2003 한국산학기술학회논문지 Vol.4 No.3
탈염기 혼합 이온교환 수지탑에서 양·음이온의 최적혼합비율을 결정하기 위해 실험을 수행하였다. 2, 3, 4, 5 성분 양·음이온 흡착은 많은 양이온 그리고 음이온의 선택도를 얻기 위하여 small-volume batch test로부터 실험 데이터를 얻기 위해 수행되었다. Quantitative run time은 반-실험적 질량 작용과 표면 착화 모델을 이용한 이온 교환 모델에 의해서 추정될 수 있었다. 탈염기 수지층의 음이온 교환수지에 대한 양이온 교환수지의 비율을 증가시킴으로써 더 길게 사용될 수 있다. The test did for the determine the optimized ratio of cation to anion in mixed ion exchange demineralizers. Binary, ternary, quaternary, and quinary cation and anion adsorption was performed to develop a comprehensive experimental data set from small-volume batch tests to obtain the selectivity coefficients of many cations and anions. The quantitative run time might be estimated by such ion exchange models as semi-empirical mass action and surface complexation models. The demineralizer can be used longer by increasing the ratios of cation to anion exchange resins in the bed.