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한냉에 노출된 인체의 냉각과 총지방량 및 S/V 비율 사이의 관계
정관옥,남기용,Chung, Kwan-Ogg,Nam, Kee-Yong 대한생리학회 1969 대한생리학회지 Vol.3 No.1
Skin temperatures on 10 sites and rectal temperature at every 10 minutes, oxygen consumption at every 20 minutes were measured on 18 male subjects (ages between 14 and 47 years) after exposure to cold air at $15^{\circ}C$ for two hours in a climatic room. Total body fat measured by means of a skinfold method and ratio of body surface area (S) to body volume (V), S/V, were utilized as basis of observations. Surface area was calculated after DuBois equation and body volume was calculated by our original formula. In influencing on the heat loss from the body core to the cold environment, % fat showed inverse relations, whereas, S/V ratio showed direct relations. Thus these two factors acted antagonistically on the body heat loss. Local skin temperatures showed negative correlations with skinfold thickness on the same site, nemaly, on chest, r=-.567; on back, r=-.507; and on upper arm, r=-.353. The other 7 skin sites showed low correlations with % fat. Minimum mean weighted skin temperature (MWST) showed a negative correlation (r=-.443) with % fat, and showed no correlation with S/V ratio. Oxygen consumption in the cold air at $15^{\circ}C$ increased from the first measurement at 20 minutes after exposure and maintained the same increasing trend up to 120 minutes. ${\Delta}T_R$ was greater in tile lean subjects who showed a greater % change in oxygen consumption. The antagonistic actions of % fat and S/V ratio on the heat loss were manifested by observations as follows: minimum rectal temperature was higher In fat subjects (r=.600) and lower in subjects with a greater S/V ratio (=-.582), ${\Delta}T_R$ was smaller in fat subjects (r=-.738) and greater in subjects with a greater S/V ratio (r=.618). Temperature difference between body core and skin surface (minimum rectal temperature minus minimum MWST) showed a positive correlation with % fat (r=.600) and a negative correlation with S/V ratio (r=-.881). Decrease in the mean body temperature and heat debt, respectively, showed negative correlations with % fat and positive correlations with S/V ratio.
김완태(Kim, Wan-Tai),정관옥(Chung, Kwan-Ogg),김윤선(Kim, Yoon-Sun),조용문(Cho, Yong-Moon),정원근(Chung, Won-Keun),남기용(Nam, Kee-Yong) 대한생리학회 1970 대한생리학회지 Vol.4 No.1
Erythropoietic activity in anemic Plasma of chronic posthemorrhagic anemic men was studied in rats after subcutaneous injection of anemic plasma. Anemic plasma was obtained from blood donors who sold their blood once or twice a week for one or two years to blood bank. Hemoglobin concentrations of 8 blood donors ranged between 4.6 and 8.4 gm/100 ml. Pooled plasma was treated by acidification-boiling method and adjusted to pH 7.5 by adding 0.1 N NaOH. 7ml/kg and 15ml/kg of anemic plasma filtrate was injected to 2 groups of rats respectively for 7 and 8 days. Hemoglobin concentrations, red blood cell counts and reticulocyte counts were observed before and after injection of anemic plasma and no change was induced by the injection. Subsequently, it was concluded that there was no erythropoietin of high titer in the plasma of chronic post-hemorrhagic anemic men.
남상영,김인재,김영호,최성열,전종옥,이정관,임상철,김태중,박충범 한국국제농업개발학회 2012 韓國國際農業開發學會誌 Vol.24 No.5
파종시기에 따른 삼백초의 생산성을 구명하여 재배법 확립의 기초자료를 제공하고자 10월 20일 파종 등 4처리를 두어 2010년부터 3년간 시험한 결과를 요약 하면 다음과 같다. 1. 출아는 10월 20일(전년) 파종에서 빨리 시작되었으며, 최종출아수도 4월 10일의 12.0개/m2에 비하여 10.7개/m2 많았다. 2. 줄기의 생육도 10월 20일 파종에서 초장과 경태가 길거나, 굵었으며, 분지와 분얼수도 많았다. 3. 엽의 생육 중 상품엽수는 10월 20일 파종에서 많았으나, 엽장, 엽폭, 비상품 엽수는 파종시기 간에 차이가 인정되지 않았다. 4. 상품 경엽 건물수량과 근경 건물중은 10월 20일 파종에서 많아, 4월 10일 파종 대비 경엽수량 77% 증수되었고, 근경 건물중 32.5 g/m2 무거웠다. Studies were carried out to evaluate the growth and productivity of Saururus chinensis Baill. under the seeding dates. Sprouting of the seedlings started early and the numbers of plants in final growth stage increased as 22.7 unit/m2 on October 20 seeding compared with 12.0 unit/m2 on April 10. The plant length, stem diameter and the number of branches increased on Oct. 20 seeding. The commercial leaf numbers also enhanced on Oct. 20 seeding, but there were no significant differences in leaf weight, leaf width and non-commercial leaf numbers among seeding dates. The commercial dry matters increased as 77% in stem, leaf and root weight, 36% in tuber dry matters on Oct. 20 seeding compared with April 10 seeding.