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윤인주,이정숙 慶尙大學校 기초과학연구소 1991 基礎科學硏究所報 Vol.7 No.-
The effects of charge system on the removal of water soluble and oily soils from silk fabrics were studied. The charge systems used in this experiments were Light mate DX in petroleum solvent and Light Park MK in perchloroethylene. The detergency was examind with water/detergent ratio and concentration of dry soaps and solvent, respectively. 1. In the case of condition charged with detergents without water, as the concentration of Light Mate DX in petroleum solvent was increased, the detergency of water soluble soils was improved. 2. In the case of condition charged with detergents with water, as water/detergent ratio was increased, the detergency of water soluble soils was improved. Petroleum solvent was superior to perchloroethylene in the detergency as water/detergent ratio was low. 3. In the case of condition charged with detergents without water, the detergency of oily soils of Light Park MK in perchloroethylene was higher than that Light Mate DX in petroleum solvent. The detergency was influenced by characteristics of solvents. The order of the detergency in dry soap concentration was 1.5>1.0>2.0>0.5(%) 4. In the case of condition charged with detergents with water, as water/detergent ratio was increased, the detergency of oily soils in petroleum solvent was decreased. In perchloroethylene, the detergency was not so much affected by water/detergent ratio.
윤은숙,이정윤 서울保健大學 1994 論文集 Vol.14 No.1
This research was conducted to survey the weaning practice to Koreanwomen, The survey was executed for 417 mothers bringing up a child below 24 months in Seoul and Kyongi province from September to October, 1993. The results are as follows : The average score of knowledge on weaning of respondents was 9.48. Most of the respondents knew the significance or the necessity of supplementary food in terms of weaning. There was significant difference in score of knowledge on weaning according to a level of mother's education. The source of mothers' informations on weaning method showed the newspapers and journals for women, docter and pharmaceutical chemist, TV and radio, friend and relatives were many by the order. The average period when those surveyed began weaning of their infants was 5.03±2.46 months. The tendency of earlier weaning in 3 months was founded among 27.9% of them. About half of the respondents, 54.1% started weaning of their infants in 4∼6 months. In overall, 82.0% of them set on weaning in less than 6 months after babies were born. Fruits was firstly given to 65.2% of the infants as introducing weaning foods and commercial supplementary foods, boiled rice, milk and milk products were many by order. 50.1% of mothers prepared supplementary foods at home or used commercial baby foods, while 33.1% prepared supplementary foods for infants at home and 4.6% gave infants adult`s meals as supplementary foods.
이정윤,서정숙,방병호,정은자,강남이,이진영 서울보건대학 1995 서울보건대학 부설 병원경영연구소 논문집 Vol.1 No.1
This study was conducted to evaluate the hospital foodservice management practices in Seoul and to suggest the guideline for the effective foodservice management. Questionnaire survey method were used in this study. Questionnaire were administered to dietitians in twenty hospitals. Data were analyzed for frequency, percentage, χ^(2)-test, and one-way ANOVA using SAS PC Package program. The results were summerized as follows : The number of dietition were less than the required number for efficient foodservice. Centralized foodservice method was adopted in most hospitals and conventional foodservice system was taken in all the hospitals. The space of a kitchen and a dining room were confined and sanitary facilities and working condition revealed problems. Equipped facilities in surveyed foodservice operations were assessed as the insufficient condition, especially, efficient facilities such as a cutting machine were scarecely make up.
흰쥐에서의 카르복시메칠셀룰로오스나트륨과 겔란검 혼합겔의 유착방지 효과
권윤환,이시범,이정권,박용덕,박정숙,황성주 한국약제학회 2004 Journal of Pharmaceutical Investigation Vol.34 No.6
The aim of the present study was to investigate the efficacy of a mixed gel formulation composed of sodium carboxymethyl cellulose and gellan gum (Na-CMC gel) for the prevention of adhesions after laminectomv. The anti-adhesive effect of the Na-CMC gel was tested in a controlled randomized study using an animal model of lumbar laminectomv. The animals (60 female Sprague-Dawlev rats) were randomly allocated into two treatment groups to receive the Na-CMC gel on the injured area or no gel (control). The incidence of adhesions and their grade were blindly evaluated at 4. 8 and 12 weeks after surgery. The amount of scar tissue and tenacity were grossly reduced by the Na-CMC gel at postoperative 4. 8. and 12 weeks. The mean adhesion scores were 0.75. 125. and 1.38 at 4. 8. and 12 weeks in the gel-treated group. respectively. No significant inflammatory reaction was observed and the healing of wound was not affected by the Na-CMC gel. The Na-CMC gel reduced the amount of scar formation and tenacity in rat laminectomv model without affecting the healing of operation wound and other complications. Therefore. the Na-CMC gel may be the potential to prevent postsurgical adhesions in clinical state.