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블랙베리(Rubus fruticosus) 추출물을 이용한 모발의 염색특성
신화남 ( Hwa Nam Shin ),박철호 ( Chul Ho Park ) 한국미용학회 2014 한국미용학회지 Vol.20 No.1
The purpose of this study is to examine the possibility of anthocyanin pigments of Rubus fruticosus. In order to achieve this purpose, anthocyanin concentration was analyzed by measuring absorbency from anthocyanin 520nm of Rubus fruticosus. Hair dyeing was increased in dye intake(K/S) with increased dyeing temperature(20oC~60oC) and hair color was changed from red to purple. With increased pH, a* value proceeded from +(red) to -(green) or a color meter was reacted to yellow of original bleached hair and In thealkalic status, red brown or red green or a yellow green was shown because of reddish brown deposits and discolored original color ofanthocyanin mordant. It brought about poor dye intake and dyeing or mordanting effects were lost. It suggested that anthocyaninmordants were specially sensitive to pH and dye intake was rapidly decreased with increased pH. For hair dyeing, mordant concentrations should be selected in consideration of the characteristics of mordants(dye intake, lightless, chroma and color). While acidmordants(FeSO4, AlK(SO4)2·12H2O, CuSO4) could make bright color such as green, blue, dark blue, and purple based on red, carbonic(CaCO3, Na2CO3) alkalic mordants made white or brown. For hair dyeing, mordanting methods (pre-mordanting, simultaneous mordanting, or post-mordanting) should be selected in consideration of the characteristics of mordants(dye intake, lightless, chroma and color). Based only dye intake(K/S), while post-mordanting was effective for AlK(SO4)2·12H2O and CuSO4, simultaneous mordanting was effective for FeSO4. Pre-mordanting was effective for CaCO3, and Na2CO3.
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김명기(Kim Myung-Gi),신화남(Shin Hwa-Nam) 한국인체예술학회 2007 한국인체미용예술학회지 Vol.8 No.1
This study aimed at consideration of the groping for the position after the graduation on students of the cosmetology as a major. The inventory was administered to 139 college students and 47 professors for cosmetology as a major. Data was gathered from a questionnaire. The results can be summarized as follows: 1. The problems that students after the graduation of the cosmetology as a major in getting a job are salary, paltry on working place, insufficiency on training on industrial market place. In aspects on professors, the problems are allocation on human resource, salary, paltry on working place. 2. The problems that on students after the graduation of the cosmetology as a major in course, the difference on college education program, lacking in establishment on professionalism, excess on working time, lacking on reeducation on aspects in industry. In aspects on college the problems were not reflection the request on industry, rationality on educational course. In aspects on person, the problems were the lacking on educational basis, misunderstanding on request on industry, the lacking on belief for their major, apprehensions for future value. 3. On extension on sphere, the professors recommended hotel, silver town, resort.
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헤어미용 서비스품질에 대한 헤어미용종사자의 경력별 인식 차이
류은주(Ryu, Eun Ju),신화남(Shin, Hwa Nam) 한국디자인문화학회 2017 한국디자인문화학회지 Vol.23 No.2
본 연구는 헤어미용종사자가 헤어컬러디자인, 헤어펌디자인, 헤어커트디자인에 대한 서비스품질(기술서비스와 설명서비스)을 경력에 따라서 중요도를 다르게 인식하는지 확인하려는 목적에서 수행되었다. 연구대상자는 서울, 인천⋅경기, 충청도, 전라도에 위치한미용실 근무자를 표본으로 추출하였다. 2016년 12월 15일부터 2017년 1월 15일까지 1차 설문조사를 실시하였으며, 2차 설문조사는 2017년 1월 20일부터 2017년 2월 15일까지 실시하였다. 배포된 380부의 설문지중 376부가 회수되었고 그 중 유효한 352부를 활용하여 자료분석을 실시하였다. 자료분석은 SPSS 21.0 통계패키지 프로그램을 사용하여 빈도분석, 탐색적 요인분석, 신뢰도분석, 분산분석을 실시하였다. 연구결과 헤어미용종사자의 경력에 따라서 헤어컬러디자인 설명서비스품질과 기술서비스품질의 중요도 인식에 차이가 있는 것으로 확인되었다. 설명서비스품질과 기술서비스품질 모두 경력이 많은 집단이 적은 집단보다 더 중요하게 인식하고 있었다. 그러나 헤어펌디자인 서비스품질은 경력별로 중요도 인식에 차이가 확인되지 않았다. 헤어커트디자인 서비스품질은 경력별로 중요도 인식에 차이가 있는 것으로 확인되었다. 설명서비스품질은 경력이 많은 집단이 경력이 적은 집단보다 더 중요하다고 인식하고 있었고, 반대로 기술서비스품질은 경력이 적은 집단이 많은 집단보다더 중요하게 인식하고 있었다. 본 연구는 고객이 아니라 헤어미용종사자를 대상으로 어떠한 서비스를 중요하게 인식하고 있는가를 밝혔다는 점에서 실무적인 의의를 가진다. 향후에는 헤어미용종사자들이 이러한 인식에 차이가 생기는 원인에 대해서 더욱 심도 있는 연구를 수행할 필요가 있다. This study was intended to determine whether the quality of service (technical service and description service) of hair color design, perm design, haircut was recognized differently depending on the experience of hair salon workers. To achieve the objectives, it conducted a survey of workers of beauty salons in Seoul, Incheon, Kyinggi, Chungcheong-do and Jeolla-do. From December 15, 2016 to January 15, 2017, the first survey was conducted. And the second survey was conducted from January 20, 2017 to Feb. 15, 2017. Distribute 380 questionnaires, and 376 questionnaires returned. A total of valid 352 questionnaires were analyzed using SPSS 21.0 statistical package program. And frequency analysis, exploratory factor analysis, reliability analysis, and one-way ANOVA analysis were conducted. Research has shown that the hair color designs differs significantly from description service and technical services depending on experience of hair salon workers. A highly experience groups with both description services and technical services were more aware of the importance. However, the perm did not confirm the difference in importance of the services. Haircut has been found to have differing perceptions of importance services in terms of experience. The description service recognizes that highly experience groups are more important than less experienced groups. On the contrary, technology services were important to recognize that less experienced groups was more important than highly experienced group. This research has practical significance in the sense that it is important to recognize what services are important to the hair salon workers, not the customers. In the future, it is necessary to conduct further research on the causes of such differences in the perceptions.
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Fe-Ni-Cr-Mn-Si 형상기억합금에 있어서 냉각 및 변형량이 마르텐사이트 변태에 미치는 영향
이도형,박신화,남원종,윤만순,강신왕 대한금속재료학회(대한금속학회) 1991 대한금속·재료학회지 Vol.29 No.8
In Fe-Ni-Cr-Mn-Si shape memory alloy, the effect of cooling methods and strain on the martensitic transformation was investigated. After the solution treatment at 900℃ for 30 minutes, the specimens were air cooled, water cooled and quenched in liquid nitrogen. For air cooled specimens only austenite phase was detected, whereas austenite and ε-martensite phases were detected for specimens water cooled or quenched in liquid nitrogen. The amount of ε-martensite was increased with the cooling rate and strain. But the increasing rate of the amount of ε-martensite was decreased at 5% strain in air cooling and at 3% strain in water cooling, respectively. The occurrence of α'-martensite was found at about 5% strain in air cooled specimens. For water cooled specimens it was found at about 3% strain. These strains almost coinceded with the strains at which the increasing rate of the amount of ε-martensite was changed. The occurrence of α'-martensite in specimens quenched in liquid nitrogen was found less than 0.5% strain.
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