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어린이 중이염 환자 가정의 주택 실·내외 및 개인의 VOCs 농도에 관한 연구
박명규,박희진,임성진,엄택용,박무균,손부순 한국냄새환경학회 2015 실내환경 및 냄새 학회지 Vol.14 No.1
The study measured the volatile organic compounds consistency of the child tympanitis patient family. Benzene, the result which analyzes toluene, ethylbenzene, xylene and TVOC consistency, case of personal exposure they were 0.518 μg/m3, 0.909 μg/m3, 1.299 μg/m3, 0.960 μg/m3 and 273.718 μg/m3 respectively, case it appeared with benzene the interior 0.539 μg/m3 and toluene 1.433 μg/m3 and ethylbenzene 1.253 μg/m3 and xylene 1.899 μg/m3 and TVOC 262.132 μg/m3. The consistency of the outdoor benzene, toluene, ethylbenzene, xylene and TVOC appeared respectively with 0.512 μg/m3, 0.474 μg/m3, 1.177 μg/m3, 0.862 μg/m3 and 22.306 μg/m3. Personal exposure, the residential interior, interrelationship analytical result Benzene of outdoor consistency and Ethyl benzene, Xylene and TVOC personal exposures with the interior and outdoor consistency showed the interrelationship which considers(p < 0.01). VOCs consistency which it follows in residential type the detached home > the multi generation house > the consistency price came out with the apartment order, VOCs consistency which it follows construction year possibility the year valence which is built 4 years at once rises the consistency appeared more highly the case where the case is above 4 years than.
염해지 우탁토양 (干拓土壤)에서 수도생육 및 수량에 미치는 토양개량제의 효과
嚴大翼,劉肅種,嚴澤鎔 전북대학교 농업과학기술연구소 1989 農大論文集 Vol.20 No.-
The study was conducted to investigate the change of salt concentration according to the application of some soil conditioners when rice plant was cultivated, and the relationship between phybicochemical properties of soil and the yield in the saline reclaimed soil. It was experimentalized in the saline reclaimed paddy field of Gyehwu island during two years (1987 to 1988), and the summarized of the conclution are as follow : 1 . The salt concentration of saturated soil solution in the used fine soil was high to 0.67 ~0.73% level. But, it was irrigated two or three times a week with irrigation water which salt concentration is 0.007% below during the cultivation and some soil conditioners were applied at the beginning to enter into the experiment. As the result, the salt concentration of saturated soil solution in fine soil was 0.22% ~0.26%, submerged soil solution and submerged water were 0.11 ~0.16% and 0.03~0.05%, respectively. They indicated that salt concentration was gradually decreased. Eventually, their salt concentration of the plots treated soil conditioners was lower than nontreatment. 2. In the gypaum plot. salt concentration was highest during three weeks after application of gypaum. But during two years after that time, salt concentration was lower than nontreatment. Therefore, the application of gypeum in the saline land was recommended 3. The added soil plot showed that salt concentration was lowest just after application of added soil. But, this plot preserved slightly higher salt concentration than compost plot after three weeks, and continued a similar concentration to compost from the latter ha]f of growing period to two fears. 4. The compost plot was slightly higher than added soil plot after application of compost, but it showed the lowest salt concentration after that time. The experiment was oonducte3 by following year, showed that it was a similar concentration to the Peat Plot and the added soil plot 5. All the plots were higher than general korean paddy field in salt concentration and pH. In the plot of compost and Miwon organic fertilizer, the content of T-N was higher. The content of O.M was higher in the plot compost pest, and Miwon organic fertilizer than other plots. C.E.C was less content than other general korean paddy field. but it is characteristic that degree of babe saturation was higher, due to increased content of exchangeable cation. 6. Because of high salt concentration of the very day when rice plant was transplanted, saturated soil solution in fine soil and submerged solution were 0.35 ~0.45% and 0.2 ~0.33%, respectively. Rice plant was suffered from saline damaged on the former half of growing period But irrigation was conducted by water which salt concentration was 0.007% below two-throe time a week. The salt concentration of saturated soil solution in fine soil, submerged soil solution and submerged water was 0.24-0.28%, 0.13-0.18% and 0.04~0.06%. respectively. Therefore the growth of rice plant was possible. 7. In exprimental period for two years, soil conditioners revealed an increased yield to be significant in comparison with nontreatment. But all the plots were the lower yield than general korean paddy field, and the grain yield between all the plots is as follow ; nontreatment< Miwon organic fertilizer<peat<Compost<Gypsum<Added soil. Finally, the application of added soil and gypsum demonstrated the effect as soil conditioners in a saline reclaimed soil.
김영두,하기용,최윤희,이재길,엄택용 한국육종학회 2002 한국육종학회지 Vol.34 No.1
The study was conducted to examine varietal variation of sweet rice- drink, 'Sikhe', made from seven glutimous rice cultivars. The alkali digestion value and protein content were significantly different among cooked rice materials, but the water absorptio
주유소로부터의 4방위 풍향에 따른 공기 중 휘발성 유기화합물 농도분포
박명규,이채혁,윤승배,김동주,엄택용,조봉현,김영지,허은협,이종대,이종화,손부순,장봉기 순천향대학교 기초과학연구소 2015 순천향자연과학연구 논문집 Vol.21 No.1,2
The concentration distribution of volatile organic compounds released when refueling in the gas station us relatively higher than the background concentration, so we can ascertain that at least a small amount of VOCs releases when pumping gas. Moreover, the mean concentration at the four cardinal points from the gas station was higher than the center of the gas station. Therefore, we can conclude that the VOCs are released not by the refueling but by the other factors, and the direction of the wind has bo influence on the concentration distribution.
최진혁,신준섭,전승진,엄택용,우경숙,박희진,이종대,손부순 순천향대학교 기초과학연구소 2014 순천향자연과학연구 논문집 Vol.20 No.1
In this study, the concentrations of PM10 and PM2.5 were surveyed small restaurants in August 2013. The PM2.5 concentration were indoor 83.17 //g/m3, outdoor 27.14 //g/m、I/O ration 3.17 respectively. On the other hand, PM10 concentrations of indoor, outdoor and I/O ration were 164.69//g/m3, 52.00//g/m3, 3.17 respectively. The correlation analysis of PM10 and PM2.5 are statistically significant(p<0.01).
장봉기,조우찬,박주원,탁현욱,송수진,엄택용,김영수,이종화 순천향대학교 기초과학연구소 2013 순천향자연과학연구 논문집 Vol.19 No.2
The purposes of this study was found out change of mineral concentration from the raw of drinking water to purified water and how much mineral is removed during purifying water. We analyze mineral (Na, K, Mg, Ca) concentration of total 12 sample waters (1 from raw water, 2 from purifiers each from 4 buildings of S university in Asan city, Chungnam, Korea). Mineral concentration is greatly declined from raw water to purified water. Removal efficiency of mineral concentration is Ca is 95.9% (the highest), Mg is 88.1%, K is 82.0%, Na is 66.5% which is the lowest. According to purifiers 1 brand, C brand purifier shows higher removal efficiency of Mg and Ca, on the contrary to this, N brand purifier shows higher removal efficiency of Na and K. The amount of mineral concentration from purified water is less than 1% of recommended daily allowance (RDA). Also, the amount of mineral concentration from raw water is very small (0.45〜8.96%). The results of this study showed that purified water which mineral is removed cannot be called as healthy water, and the mineral supplement quantity from water is well below RDA. On the other side, in function of remove contaminant purifiers have a very good ability to purify water.
오동근,박명규,하지나,윤지은,이지현,엄택용,박희진,이종대,이종화,손부순 순천향대학교 기초과학연구소 2015 순천향자연과학연구 논문집 Vol.21 No.1,2
In this study, The ChungCheongnam-Do it measured pm10, VOCs and TBC consistency from the beauty shop of the part area. With material by respectively consistency TBC 274.01CFU/m3, Benzene 3.81μg/m3, Toluene 15.43μg/m3, Ethyl benzene 3.79μg/m3, Xylene 7.15μg/m3, TOVC 331.50μg/m3, PM10 88.56μg/m3