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일부도시지역(一部都市地域)(회기동(回基洞))의 출생(出生), 사망(死亡)에 관(關)한 실태(實態) 조사연구(調査硏究)
박양원,이병갑,박순영,고순자,Park, Yang-Won,Lee, Pyong-Kap,Park, Soon-Young,Koh, Soon-Ja 대한예방의학회 1971 Journal of Preventive Medicine and Public Health Vol.4 No.1
A survey was couducted by the staff of the Dept. of Preventive Medicine, Kyung Hee University, School of Medicine, from April through May 1971, on such events as delivery, death, abortion and family planning. The survey directed to a total population 6,552 (Male 3,133; Female 3,419) residing in this area (1,262 households) led us to the following findings: 1) Two year averages of crude birth rate, crude death rate and natural increase rates were 24.9, 5.0 and 19.9 respectively. 2) Infant death rates for the years 1969 and 1970 were 13.2 and 5.8 respectively, mean for the two year period being 9.3. 3) Hospital deliveries rated 68.5 per cent, Home deliveries 28.4 per cent and deliveries at midwives' offices 2.7 per cent. 4) Deliveries other than hospital and midwives' office deliveries were found to be attended more often by mothers. 5) About 41.4 per cent of all pregnant women during last two years received prenatal care once or more. 6) The induced abortion rate was 6.7 per cent in 1969 and 7.5 per cent in 1970. 7) The spontaneous abortion rate was 1.1 per cent in 1969 and 1.4 per cent in 1970. 8) Hypertension was the most frequent cause of adult death(21.6%). 9) The rate of current practice in family planning was 43.3 percent of all women.
서울근교(近郊)의 산악수(山岳水) 및 약수(藥水)에 관(關)한 연구(硏究)
박양원,이병갑,김형석,박순영,Park, Yang-Won,Lee, Pyong-Kap,Kim, Hyung-Suk,Park, Soon-Young 대한예방의학회 1972 Journal of Preventive Medicine and Public Health Vol.5 No.1
Mountain Wells are very important water source for the most of the climbers in Seoul area. But the facilities around the wells are not modernized to prevent from contamination of microorganism and the other pollutants. We focussed our intention on the detection of some harmful chemical ingredients and contaminants. A total of 58 wells were examined according to the Standard Methods(APHA) and the following results were obtained: 1) Among the examined 58 wells, only 10 wells were adequate to the drinking water standard, 2) 7.9mg of liberated $CO_2$ was found in the Tchun-Ho-Dong Mineral Well, 3) Chemically harmful ingredients were not found, 4) The Mountain Wells were contaminated by Coliform groups as many as 18 times than rural wells.
박양원 東新大學校 1999 論文集 Vol.11 No.-
The effect of hydrolysis of soy protein on their emulsifying properties was studied using protein isolated from soy meal. No hydrolysates having a bitter taste were produced by hydrolyzing the soy proteins with a low concentration(0.05%) of a IJ3 enzyme. The emulsion stability of these hydrolysates at pH 6.1 was superior to that of hydrolyzed soy protein at pH 4.5 and high concentration (0.5%) of IJ-3 enzyme. The fact that hydrolysis by 0.05% IJ-3 enzyme produce hardly any bitter taste and shows a remarkable effect upon the emulsifying properties of soy protein suggests that the utilization of this hydrolyzed protein as an emulsifier in food processing is practicable.
박양원,강경화,김훈식,정명희,최경희,Park, Yang-Won,Gang, Gyeong-Hwa,Kim, Hun-Sik,Jeong, Myeong-Hui,Choe, Gyeong-Hui The Korean Society for Integrative Biology 1997 Korean journal of biological sciences Vol.1 No.3
The effects of nalidixic acid, mitomycin C, and cadmium chloride $(CdCI_2)$ on the activity of 8-hydroxyguanine $(oh^8Gua)$ endonuclease, a DNA repair enzyme for oxidatively modified guanine, $(oh^8Gua$ were studied. Nalidixic acid and mitomycin C, typical inducers of the S0S DNA repair response in E. coli, showed different effects. Nalidixic acid raised the activity of this enzyme, but mitomycin C did not show such an effect. Cadmium chloride also induced the enzyme activity, These results show that the expression of $oh^8$ Gua endonuclease is regulated by multiple factors and can be induced under stressful conditions. In an attempt to demonstrate the importance of this enzyme in defense against DNA damage and mutagenesis, we also characterized mutM mutant for its oh8 Gua endonuclease activity. The mutM mutant showed no detectable $oh^8$ Gua endonuclease activity, unlike its wild type showing high activity. In addition, paraquat, a superoxide producing compound, failed to elevate $oh^8Gua$ endonuclease activity in this mutant. These results suggest that the mutM gene is identical to the $oh^8Gua$ endonuclease gene of E. coli. Taken together with previous reports, these results suggest that $oh^8Gua$ endonuclease plays a crucial role in the protection of aerobically growing organisms from threats of oxidative DNA damage and mutation.
백마강수역(白馬江水域)에 있어서 오염세균(汚染細菌)에 대(對)한 조사연구(調査硏究)
박양원,김형석,Park, Yang-Won,Kim, Hyung-Suk 대한예방의학회 1974 Journal of Preventive Medicine and Public Health Vol.7 No.1
The purpose of this study was to survey bacteria which was known as a fecal bacteria living in the human and animal gastro and intestinal tract. The colony density of the fecal coliform and fecal streptococci was 280 and 130 in 100ml sample amounts reapectively. Staphylococcus aureus and Pseudomonas aeruginosa which is usually exist in swimming pool and was known as indicator of the pool water contamination was detected.
박양원,정영옥 동신대학교 환경연구소 2001 환경연구 Vol.6 No.1
이 연구는 미생물에 대한 오미자 추출물의 항균력을 조사하기 위한 것이다. 오미자 추출물은 항균력을 보였는데, 10%농도의 추출물은 다양한 온도에서 세균의 생장을 억제하였다. 그러나 세균을 제외한 다른 종류의 곰팡이에 대해서는 그 효과가 없었다. 결과에서와 마찬가지로 오미자 추출물의 항균력은 높은 온도에서도 파괴되지 않았으며, 오미자 추출물은 121℃, 15분간의 autoclave에서도 강한 항균력을 보였다. This study was conducted to investigate the antimicrobial activity of the Schizandra extracts against the microorganism. Schizandra powder 10g and the solvent (ethanol 75% and distilled water 25%) 90g were used for making experimental 10% extracts and extracting temperature and time were changed. Bacillus sp. and nutrient broth were used and the cultivation temperature was 35°C. The extract were shown the antimicrobial activity, 10 percents extracts inhibited the growth of bacteria in the various temperature ranges. However, no affect shown the other fungi except the bacteria. As the results antimicrobial activity of the all extracts were not destroyed in the high temperature, furthermore it shows the strong antimicrobial activity against the autoclave at 121°C for 15min.
대두 단백 curd의 특성 : 1. 응고제의 영향 1. Effects of Coagulents
박양원 동신대학교 환경연구소 2000 환경연구 Vol.5 No.1
대두 단백용액을 pH 6.1, 65℃에서 5분간 예비 가열 후, 효소용액 1 ml를 가하였고, 단백용액은 30분간의 효소반응으로 응고물을 생성할 때까지 점차적으로 점 ·성이 증가하였다. 효소처리한 대두 단백 커-드 (효소 curd)는 응고제를 첨가한 전통적인 방법으로 제조된 커-드 (칼슘 curd) 보다 단백질 함량이 높았다. 칼슘curd는 효소 curd와 비교하여 지방과 회분 성분이 높았으며, 수분량은 낮았다. 응고물은 부드러운 겔 상태였고, 이것은 소수성 단백질의 상호작용과 5-5 결합을 통해 회합된 것이다. 효소 curd와 칼슘 curd에서의 아미노산의 조성은 차이를 보였으며, 효소 curd는 대조군과 칼슘 curd에 비하여 수화력이 향상 되었다. When soy protein solution were preheated at 65℃, pH 6.1, for 5min and treated with 1 ml of 0.05 unit/ml enzyme solution, the viscosity of the protein solution gradually increased until the protein solution clotted after reaction time of 30 min. Soyprotein curd processed by the enzyme treatment (enzyme curd) had higher protein when compared to traditionally produced soyprotein curd (calcium curd). Calcium curd had higher fat and ash while moisture were slight lower when compared to enzyme curd. The coagula were soft gel and this material associated mainly through hydrophobic interaction and disulfide bonds. Variation in amino acid compositions occured in each other and enzyme curd improved water absorpton than those of native soyprotein and calcium curd.