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정효지,김은정,최봉순,최경호,신정자,윤성도 동아시아식생활학회 2000 동아시아식생활학회지 Vol.10 No.6
This study was carried out to find the factors which are related to the weight gain during pregnancy of women and infant birth weight. The information of the general characteristics and pregnancy outcomes of the 506 women who had a delivery during Jan to Dec. 1997 in a hospital at Taegu area were collected from the medical records. The results are as follows. The mean age of the subjects was 29 years old and the average prepregnancy weight was 52.75㎏. They gained 13.51㎏ of weight during the pregnancy. The weight gain during pregnancy was higher in prepregnancy BMI <20kg/m^(2), the infant weight was heavier in groups that had over 14kg of weight gain during the pregnancy than other groups. The prepregnancy BMI was negatively correlated to weight gain during pregnancy (r=0.2825), and positively correlated to number of pregnancy (r=0.2146), number of living delivery (r=0.1409), and infant weight (r=0.1250). The baby weight was positively correlated to weight gain during pregnancy (r=0.1392) and Apgar score(r=0.1627). The results showed that the prepregnancy BMI and weight gain during pregnancy may be the influential factors on the infant weight, thus we need to develop the specific nutritional management program according to the status of prepregnancy weight.
Kim, Dong-Cheol,Cho, Kwang-Ho,Ko, Wonmin,Yoon, Chi-Su,Sohn, Jae Hak,Yim, Joung Han,Kim, Youn-Chul,Oh, Hyuncheol MDPI AG 2016 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.17 No.4
<P>In the course of searching for bioactive secondary metabolites from marine fungi, TMC-256C1 was isolated from an ethyl acetate extract of the marine-derived fungus <I>Aspergillus</I> sp. SF6354. TMC-256C1 displayed anti-neuroinflammatory effect in BV2 microglial cells induced by lipopolysaccharides (LPS) as well as neuroprotective effect against glutamate-stimulated neurotoxicity in mouse hippocampal HT22 cells. TMC-256C1 was shown to develop a cellular resistance to oxidative damage caused by glutamate-induced cytotoxicity and reactive oxygen species (ROS) generation in HT22 cells, and suppress the inflammation process in LPS-stimulated BV2 cells. Furthermore, the neuroprotective and anti-neuroinflammatory activities of TMC-256C1 were associated with upregulated expression of heme oxygenase (HO)-1 and nuclear translocation of nuclear factor-E2-related factor 2 (Nrf2) in HT22 and BV2 cells. We also found that TMC-256C1 activated p38 mitogen-activated protein kinases (MAPK) and phosphatidylinositol 3-kinase (PI3K)/Akt signaling pathways in HT22 and BV2 cells. These results demonstrated that TMC-256C1 activates HO-1 protein expression, probably by increasing nuclear Nrf2 levels via the activation of the p38 MAPK and PI3K/Akt pathways.</P>
음향방출법에 의한 탄소섬유강화 플라스틱의 파괴특성에 관한 연구 (2)
윤종희,이장규,박성완,우창기,김봉각,조진호 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-
This study is to investigate a fracture characteristics of carbon fiber reinforced plastics (CFRP) under the tensile loading as a function of acoustic emission (AE) according to the frequency analysis (transient mode) and AE source location (location mode). It was found that the fracture mechanism of AE frequency analysis was a useful tool for the estimation of different type of fracture in CFRP, i.e., matrix(epoxy resin) cracking, delamination and fiber breakage same as AE amplitude distribution.
농촌 지역 남자 중학생의 라면 섭취실태와 식품가치 인식 및 혈청 지질농도간의 상관관계
이정원,이연호 대한지역사회영양학회 2003 대한지역사회영양학회지 Vol.8 No.4
In order to investigate the ramyeon intake patterns, food value recognition, and their effects on blood pressure and blood lipid levels, a total of 385 male students aged 13 - 15 years living in rural area were sampled randomly, and they were surveyed using questionnaire. Blood pressure and fasting serum lipids levels of 123 subjects selected among the total were determined. Of the total subjects 80.3% either liked or liked very much ramyeon and 42.2% of them were eating ramyeon from 1 to 2 times a week, 21.1% 5 - 6 times a week, while 11.7% more than once a day, and 13.1% less than once a month. They took ramyeon from one (56.8%) to two (25.4%) packs each time. Two-third of subjects consumed entire ramyeon soup or more than half of it. Mostly they added egg or onion to ramyeon and took along with kimchi, cooked rice, danmuji, or dried laver. The food value recognition score about ramyeon was 41.33 out of 100 full grade. Comparing to underweight or normal weight subjects, overweight students tended to take ramyeon more frequently when playing with friends and tended to consume less soup of ramyeon. There was a significant negative correlation between ramyeon intake frequencies and HDL-cholesterol levels (r = -.223 p<.05). Moreover, among the normal body weight students (n = 72) adjusted with relative weight, ramyeon intake frequencies showed not only a significant negative correlation with HDL-cholesterol level (r = -.244 p<.05), but also significant positive correlations with atherogenic index (r = .249 p<.05) and systolic blood pressure (r = .259 p<.05). These results suggested that frequent intake of ramyeon with limited sidedishes as a whole meal might have negative influences on blood pressure and serum lipid levels. Nutrition education is needed to have correct food value recognition and proper consumption of ramyeon along with the balanced diet.
嶺湖南地方 瘠薄林地의 오리나무와 아까시나무의 適地에 關한 硏究
金昌浩,鄭印九,吳正壽 동국대학교 농림과학연구소 1969 農林科學 論文集 Vol.3 No.-
The objectives of these studies were to investigate how every kinds of Black Locust and Alder influence on the growth of woods in the Yongnam and Honam district. The result of this study appeared as follows: 1. At the point of soil depth. the deeper the soil depth is, the better for Black Locust and Alder grows well regardless of it. 2. Black Locust shows good growth in loose soil but even in consistant soil Alder was excellently brought up. 3. Black Locust grows well in clay loam while Alder is appropriate to grow in sandy soil. 4. Black Locust requires an adequate soil depth so it grows well in gentle slope area but Alder grows well even in steep slope area which unproductive land enables to grow Alder satisfactorilly. 5. The constitution of cover vegetation could, to some extent, be attained in the superior forest land of Black Locust but it was impossible to make cover vegetatioe in that of Alder : It can therefore, be easily attained the open area between trees of Alder pure forest. 6. Black Locust and Alder are soil improving trees and so the content of effectivn phosphorus had a great effect on tree growth. 7. Black Loust forest land had more organic substance than Alder and this fact was closely connected with tree growth. 8. C. E. C is deeply concerned with the growth of black locust but less concernment related with Alder. 9. The suitable land for Black Locust. 1) A deep soil depth. 2) On less consistancy. 3) Contained much of P_2O_5 in soil. 4) Much of organic substance. 5) On a clay loam. 6) Forest land with greater C. E. C. 10. The suitable land for Alder : 1) Contained much of P_2O_5 in soil. 2) Much of organic substance. 3) With moderate consistancy and effective soil depth 4) on sandy soil. 11. It is assumed that Black Locust requires more soil conditions than Alder. 12. Haenam district of Chulanam-Do where severly damaged by disease was excluded from this survey study.
벼 잡종초기세대에서 이삭줄기 대유관속 수와 이삭 특성의 분리양상
김광호,안종국,서경인 建國大學校附設農業資源開發硏究所 2001 農資源開發論集 Vol.23 No.-
The segregation modes and the selection efficiency of large vascular bundle(LBV) number and panicle characteristics were measured in three hybrid populations of rice. F_1 plants of the three crosses showed different direction and degree of dominance in vascular bundle number and panicle characteristics. The panicle neck diameter(ND), number of primary branches(PB) and LVB showed a typical normal distribution in F_2. When F_2 plants were divided into two groups up culm length of 90cm, the distribution of LVB number and panicle characteristics were not different between two populations. The selected and non-selected F_3 populations showed no difference in distribution of LVB number and panicle characteristics. However, F_3 populations grouped by culm length of 90cm showed different distributions in LVB and 100-grain weight among six characteristics observed. In F_2 populations, ND showed positive correlationship with PB, LVB number and grain number per panicle(GN). ND was positively correlated with PB, LVB number, GN and panicle length in selected and non-selected F_3 populations.
이원호,현창국,강정호,노재천,조중현,송한범 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(구조계)
The purpose of this study was to analyze the housing mobility behavior according to the income change and to predict the probability of upward and downward movements. A binary logit model was used with the data which were obtained by the Korea Research Institute for Human Settlements in 1989. The sample size was 1620 households in Seoul. The results of this study were as follows; the upward movement probability in rental housing or in single housing was higher than that in owned housing or in apartment housing as household income increased.