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김남천,최한영,채수권,손정곤 서울保健大學 1991 論文集 Vol.11 No.1
A Review was performed on occupational noise exposure as follows ; First, Domestic laws and ordinances relative to occupational noise are surveyed, and also a legal action which both employor and employer can be taken to prevent a exposure noise are showed. Second in order to evaluace of occupational noise problems, various noise standards and method have compared with some overseas countries.
활성오니법에 의한 전기부속품 공장 폐수처리에 관한 연구
김남천,채수권 서울보건대학 1996 서울보건대학 부설 한국보건과학연구소 논문집 Vol.3 No.1
In order to treat wastewater from a factory manufactured electrical accessories. sludge returned CMAS reactors of MLSS 2000mg/l were operated with various HRTs of 5.40hrs. 7. 89hrs, 15.6hrs, and 30.8hrs at a temperature of 20℃. The results showed that it was difficult to get 80% of TCOD removal even with longest HRT(30.80hrs) while more than 80% removal of TBOD was achieved with 7.89hrs of HRT. To remove 80% of BOD and 70% of COD, F 1M ratio was reqiured to maintain 0.17kg BOD/kg MLSS. day, even in this case, the removal rates between TBOD and SBOD were significantly different. The calculated substrate removal rate(Km) was 1.26/hr, and the calculated cell conversion rate of organic matters(S/TE) was 0.26 on the base of BOD. Estimated cell yield coefficient (Y), cell synthesis coefficient(ke). and endogenous respiration coefficient(ke) were 0.242, 0.31/hr, and 0.02/hr. respectively. The effluent concentration of TBOD. SBOD, MLVSS in aeration reactor, and oxygen uptake rate(dO/dt) were ranged 9.1∼25.4mg/l. 4.9∼11.9mg/l, 1,375∼1,983mg/l. and 5.4∼30.19mg O_(2)/·hr, respectively. These observed values are agreed relatively well with calculated values. The sludge production rates per HRT were ranged 0.443∼1.28g SS/day, and the sludge production rate per BOD removal were ranged 1.635∼2.717g SS/g BOD_(rem). These values are close to the calculated ones. The best sludge dewatering rate was achieved with 15.60hrs of HRT and its specific resistance(α) was 2.68×10^(11)sec/g.
알러지성 비염 환자 107례에 대한 神鼻煎의 임상적 효과
김경렬,장현호,두인선,김남권,이종화,유영수,강형원 한국전통의학연구소 2002 한국전통의학지 Vol.12 No.1
Allergic rhinitis is characterized by rhinorrhea, sneezing and nasal obstruction. Allergic rhinitis increases because of developments of diagnostic techniqhe, environmental change, especially industrialization. Recently people have studied on allergic rhinitis. We studied 107 allergic rhinitis patients with SBJ from June. 2002 to December, 2002. There was a significant effect of SBJ on allergic rhinitis. So, we suggested the clinical effect of SBJ on allergic rhinitis.
酸性降雨에 의한 畓土讓內 金屬物質의 浸出 및 吸着能에 關한 硏究(Ⅰ)
김남천,우세홍,채수권,권우택,유영식 서울保健大學 1992 論文集 Vol.12 No.1
Leaching characteristics and adsorption ability of Fe and Mn in the paddy soil were studied with synthetic acid rain. 1. Leaching quantity of Fe from the paddy soil by acid rain was 8 times as much as by neutral rain, and 6 times for Mn. 2. Leaching quantity was changed with heat treatment methods of sample soil (ignition or air drying), with kind of meta](Fe or Mn) and with acidity of soil (acid or netural). 3. The adsorption ability of Fe on the paddy soil was twice as much as, that of Mn. 4. Langmuir isotherm equation was c/q=20C+10 for Fe(air drying paddy soil) and c/q=160 C - 610 for Mn(ignation paddy soil). 5. Contineous column experiment showed that the adsorption ability of Mn was above 100, and for Fe, it was changed with kinds of sample soil and pouring methods.
채수권,김남천 서울보건대학 1996 서울보건대학 부설 병원경영연구소 논문집 Vol.2 No.1
The study on treatment of hospital wastewater was investigated by the electrolytic treatment method using Ti/Pt-PbO electrodes. The batch experimental results were assessed in terms of COD, SS, Br^(-) and F- concentration. Several operating variables, such as the current, pH and amount of NaCl added, were explored to ascertain their respective effects on the treatment efficiency. Optimum operating ranges for each of these operating variables were experimentally determined. The results of this study are as follows. 1. The satisfactory elimination of COD and SS was concurrently achived using Ti/Pt-PbO electrode. The optimum operating conditions were found to be 3ampere, pH 7.5, 5g NaCl/l and electrolytic reaction time of 6~9min. 2. Br^(-) emission rate was increased as a function of current, when operating conditions such as current and electrolytic time maintained inadequately, F^(-) was emitted. So, it was necessary to treat the emitted Br^(-) and F^(-) subsequently.
채수권,김남천 서울保健大學 1994 論文集 Vol.14 No.1
When influent substrate was nonbiodegradable phenol, it was treated by Anoxic-Anaerobic-Aerobic system with single return sludge. The operating condition was completely mixed batch reactor with recycle. This system was operated to scrutinize time tracks of COD, NH_(3)-N, Ortho-P, DO, and ORP. Oxidation-Reduction Potiontial(ORP) measurements were made in conjunction with monitoring of other process variables in biological nutrient removal system to determine the suitability of using this parameter to monitor and characterize conditions in un-aerated bio-reactor. Results obtained indicated that ORP could provide a very meaningful indication of process and ORP was found to correlate with observed phosphorus release in anaerobic environment.
경상북도 포항시 해역에 시설된(1981-2004년) 사각형 어초의 상태조사
김남일(Nam-Il Kim),이승현(Seung-Hyun Lee),김완기(Wan-Ki Kim),김대권(Dai-Kwen Kim),공용근(Yong-Geun Gong) 한국항해항만학회 2008 한국항해항만학회 학술대회논문집 Vol.2008 No.공동학술
Sediment transport around artificial habitat which is induced by the change of flow due to installation of the structure plays a role not only as a defect function of subsidence and burial but also bottom-environment control function. we surveyed that stability of the dice artificial reefs installed on Pohang coast of the East Sea (Sea of Japan). Using Side Scan Sonar (SSS) and scuba diving equipment, a facility condition of dice reefs. Total 139 place, 10,526 dice artificial reefs was discovered. As the level which affects function of the above 0.5m, the case 4 place of burial (0.5~1.2m, 2.9%), Scour appeared with 3 place (0.5m, 2.2%) and Broken was appeared with 183 artificial reefs (1.74%). Investigation result that dice reef on Pohang coast was most stable.
경상북도 포항시 해역에 시설된(1981-2004년) 사각형 어초의 상태조사
김남일(Nam-Il Kim),이승현(Seung-Hyun Lee),김완기(Wan-Ki Kim),김대권(Dai-Kwen Kim),공용근(Yong-Geun Gong) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
Sediment transport around artificial habitat which is induced by the change of flow due to installation of the structure plays a role not only as a delict function of subsidence and burial but also bottom-environment control function. we surveyed that stability of the dice artificial reefs installed on Pohang coast of the East Sea (Sea of Japan). Using Side Scan Sonar (SSS) and scuba diving equipment, a facility condition of dice reefs. Total 139 place, 10,526 dice artificial reefs was discovered. As the level which affects function of the above 0.5m, the case 4 place of burial (0.5~1.2m, 2.9%), Scour appeared with 3 place (0.5m, 2.2%) and Broken was appeared with 183 artificial reefs (1.74%). Investigation result that dice reef on Pohang coast was most stable.