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殷鍾克 대구보건대학 1995 대구보건대학 論文集 Vol.15 No.-
The study was investigated with denitrification of wastewater containing nitrate using upflow sludge blanket process. Contents of this study were the determination of optimum COD/NO^(-)₃-N ratio, nitrate removal efficiency by various hydrogen donor addition, characteristics of granular sludge, gas production, relationship between HRT and COD/NO ^(-)₃- N ratio in case of various hydrogen donor addition, relationship between nitrate loading rate and various hydrogen donor addition etc. Results from this study were summurized as follow : 1. In case of adding methanol, ethanol, sodium acetate as hydrogen donor, treatability of wastewater contained 200, 100㎎/ℓ as nitrate was about 91-94 percent. But in addition of ethanol, sodium acetate in wastewater contained 40㎎/ℓ as nitrate, nitrate removal efficiency was 80 percent. 2. As addition of methanol+calcium mixture as hydrogen donor, granular sludge was formed 45 days after seeding. But adding methanol, ehanol, sodium acetate, ethanol+calcium, sodium acetate+calcium, formative period of sludge aggregation was 45 days or more after seeding. And granules diameter was average 5.0㎜ and settling velocity was 58㎝/min 3. Nitrogen gas production rate was 3.9ℓ/d in case of adding methanol as hydrogen donor in wastewater containing 200㎎/ℓ nitrate. However adding ethannol+calcium, sodium acetate+calcium as hydrogen donor, gas production rate were 2.7-2.9ℓ/d respectively. 4. In case of adding methanol+calcium, secondary treatment wastewater+calcium, secondary treatment wastewater only as hydrogen donor, Total nitrogen removal efficiency was 88.0%, 84.0% and 80.0% respectively. At this time nitrate loading rate was 12.0kgNO^(-)₃-N/㎡ ·d.
Bacillus thuringiensis subsp. darmstadiensis 73E10-2의 σ-endotoxin 생산 및 용해조건
殷鍾克,李光培 대구보건대학 1992 대구보건대학 論文集 Vol.13 No.-
For the limition on the utility of chemical insecticides, numerous investigation have been focused on biological control of insect pests. Among many biological agents for insect pest control, Bacillus thuringiensis is considered to be one of most promising agents. In general, Bacillus thuringiensis subsp. darmstadiensis 73E10-2 produces α-endotoxin which is mosquitocidal toxin during sporulation. In the strain was produced a lot of α-endotoxin after cultivation at 28℃ for 8 days in T.Y.G. medium α-endotoxin in was highly toxic activity to mosquito larvae after dissociation of α-endotoxin in 50mM NaOH containing 10mM EDTA at 27℃ for 30 min.
김종보,은종극,박승조 동아대학교 환경문제연구소 1993 硏究報告 Vol.16 No.2
This study has been carried out to confirm the incineration and dewatering ability of the papermaking sludge added pulverized coal. This study purposes was dewatering effeciency of paper-making sludge and autogenous combustion abilities adding heat content analysis as variation coal dosage and particle size. The conclusions from experiment are as follows ; This experiment has been carried out variation of coal dosage. The optimum dewatering efficiency was available in addition 200% pulverized coal as the pulverized coal particle size was from 8 to 10 mesh. The autogenous combustion was possible when pulverized coal more 80% addition to paper-making sludge.
Bacillus thuringiensis subsp. darmstadiensis 73E10-2가 생산하는 σ-endotoxin 내의 bemolysin 精製
李光培,殷鍾克 대구보건대학 1992 대구보건대학 論文集 Vol.13 No.-
In general Bacillus thuringiensis Subsp. darmstadiensis 73E10-2 produces σ-endotoxin which is mosquitocidal toxin during sporulation. In recent rescarch, σ-endotoxin from the strain darmsladiensis 73E10-2 has a cytoltic and hemolytic protein fragment when σ-endotoxin is solubilized in alkaline solution. It is important that the extra- cellular hemolysin from the strain darmstadiensis 73E10-2 was purified and its properties were investigated, before study on the relationship between hemolysin fragment from σ-endotoxin in alkaline solution and extra-cellular hemolysin. The hemolysin in σ-endotoxin from B. thuringiensis subsp. dramstadiensis 73E10-2 was purified by Sephadex G-100 gel filtratio and DEAE-cellulose column chromato graphy. The purity of hemolysin was confirmed by Ouchterlony test and SDS-PAGE. The molecular weight of the pruified hemolysin was approximately 64KDa by SDS-PAGE. The purified hemolysin against larva of Ades agypti but hemolytic activity on red blood cells of rat. There is no relationship between σ-endotoxin from B. thuringiensis subsp. israelensis and the purified hemolysin immunologically.
都市-染色混合廢水處理를 위한 活性汚泥法의 基本設計 : 低溫에서의 基本파라메타決定 Basic parameters on the low temperature
殷鍾克 대구보건대학 1987 대구보건대학 論文集 Vol.10 No.-
The synthetic sewage-dye wastewater was treated to investigate the effect of the temperature with the activated sludge process. The substrate removal constant k. the parameter of the sludge yield a, and the endogenous respiration b, the oxygen parameter for the energy production a', and endogenous respiration b', and maximum rate for the removal of substrate V_(max) wer determined at various temperature such as 10℃, 20℃, 25℃ and 30℃. It was found that the values of parameters at 30℃ were larger thse of other temperatures, and also that the most effective treatment could be obtained at 30℃.
각종 수소공여체의 첨가에 의한 NO3-- N 함유 폐수의 탈질
김형석,은종극,박승조 한국환경과학회 1995 한국환경과학회지 Vol.4 No.3
This study was investigated with denitrification of wastewater containing nitrate using upflow sludge blanket process. Contents of this study were the NO_3^- -N removal efficiency by various hydrogen donor addition, determination of optimum COD/NO_3^- -N ratio and characteristics of granular sludge.
Ahn, Kang-Min,Lee, Jong-Ho,Hwang, Soon-Jung,Choung, Pill-Hoon,Kim, Myung-Jin,Park, Hee-Jung,Park, Jung-Keug,Jahng, Jeongwon,Yang, Eun-Kyung Blackwell Publishing Inc 2006 Artificial Organs Vol.30 No.6
<P>Abstract: </P><P>The purpose of this study was to fabricate bioartificial mucosa using cultured oral keratinocytes (OKCs) on an amniotic membrane (AM), and to evaluate the possibility of developing a prelaminated myomucosal flap using the fabricated bioartificial mucosa and local muscle flap. Buccal mucosa was harvested from male New Zealand rabbits (<I>n</I> = 40, 2.5–3.0 kg) and primary cultivation was performed. The cultured OKCs were seeded on the AM and a submerged culture was performed. Prelamination of the bioartificial mucosa was performed on the latissimus dorsi (LD) muscle of rabbits. Survival rate, layer of OKCs, and Cinamon’s score (CS) based on macroscopic and microscopic examinations were evaluated 7, 10, 14, and 21 days after prelamination (<I>n</I> = 10 per day). The OKCs cultured on AM showed multiple layers (3.85 ± 1.32) and cells were tightly adhered with desmosomes. Basal layer cells adhered to the AM with hemidesmosomes. In addition, the AM played an excellent role as a substrate for the OKCs and simplified handling during prelamination. A myomucosal flap with OKCs cultured on AM was fabricated within 2 weeks (CS: 11.05 ± 2.63). The basement component of laminin was observed 2 weeks after prelamination and showed enough strength to adhere to the underlying fascia. A myomucosal flap was successfully developed using prelamination of bioartificial mucosa on the LD muscle between 10 and 14 days.</P>
김형석,은종극,박승조 한국환경과학회 1995 한국환경과학회지 Vol.4 No.3
This study was investigated with denitrification of wastewater containing nitrate using upflow sludge blanket process. Contents of this study were the nitrogen gas production, relationship between HRT and COD/NO_^3- -N ratio in case of various hydrogen donor addition, relationship between nitrate loading rate and various hydrogen donor addition.