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홍삼박 Silage 제조시 첨가제로서 분쇄옥수수의 효과
백승훈,배영철,김용국 충남대학교 농업과학연구소 2005 농업과학연구 Vol.32 No.2
The purpose of this study was to investigate the effect of ground corn as an additive to ginseng residue silages. The silages were made with corn (CS), red ginseng (GS), red ginseng residue +0.5% ground corn (GS0.5), w/w bases, red ginseng residue+1.0% ground corn (GS1.0) and red ginseng residue+silage inoculant, lactic acid bacteria (GSL). The raw materials were cut only for corn forage in 2cm length. The ginseng residue without cutting were mixed without or with additives, ground corn and inoculant. and ensiled each into two 2,000ml glass bottles. The bottles with silages were stored at a dark place at room temperature and formented for 60 days. The crude protein contents were higher for all red ginseng silages as 17.7, 18.8, 18.3 and 17.8% for GS, GS0.5, GS1.0 and GSL than that of corn silage as 8.8% (p<0.05). The calcium content were higher in GS, GS0.5, GS1.0 and GSL as 0.99, 1.13, 0.99 and 1.03% than that in CS as 0.31% (p<0.05). The pH of silages fermented for 60 days was similar each other; CS, GS, GS0.5, GS1.0 and GSL as 3.8, 3.7, 3.3, 3.5 and 3.7, respectively. However the pH of GS0.5 was the lower than that of corn silage. The total concentration of volatile fatty acids were higher for CS as 87.3 mM/dl than those of GS, GS0.5, GS1.0 and GSL as 44.7, 37.8, 46.3 and 47.2 nM/dl. However, the percentage of lactic acid concentration of ginseng silages such as GS, GS0.5, GS1.0 and GSL, 60.2, 77.2, 83.4 and 77.3% was higher than that in CS, 53.7% (p<0.05). The in vivo dry matter digestibilities for 72hr fermentation was higher in ginseng silages (GS, GS0.5, GS1.0 and GSL as 76.5, 75.8, 72.9 and 77.3%, respetively) than that in for CS as 52.1% (p<0.05). It can be concluded that silage added with ground corn (GS0.5 and GS1.0) and lactic acid inoculant were high in its quality, and the GS0.5 can be suggested as a practical method for red ginseng residues silage making.
윤철종,박정호,임찬섭,박승조 동아대학교 환경문제연구소 1997 硏究報告 Vol.20 No.2
This study was on the removal of silver ion containing photographic wastewater by BPBE cell. The experiments were performed at different voltage. electrolytic time and pH. When we inverstigated with silver removal efficiency, current efficiency and power efficiency at pH 4, 7, 9, thoese were indicatec most superior values in pH 9. And for the conditions of pH 9, l000mg-Ag/L, 3V, thoese were 93%. 40.4%, 0.54g-Ag/W .hr respectively.
고재철,안범종,김승호 三陟大學校 産業科學技術硏究院 2005 産業科學技術硏究論文集 Vol.10 No.-
This study was to manufactured the rectangular and cylindrical module types in order to improve the performance of the Metal Fuel Cell. Power densities of two modules were estimated at electrolyte varied from 1 to 10 M-KOH and the shapes of metal fuels were pellet and plate. The performance of the pellet shape with big surface was a higher value about 10 percents than plate shape when the current was 100 mA. As the results of life test with 75 mV in the rectangular module at the 7 M-KOH, which were operated at 1.09 V for twenty hours.
양돈산업의 전략적 통합 : 협동통합을 통한 경쟁력강화 방안 모색
최승철 한국농업정책학회, 한국축산경영학회 2001 농업경영정책연구 Vol.28 No.1
Changes in vertical coordination in the hog sector can result in lower production costs and higher price over the costs, lower retail prices, and improved quality of food products; but result in concerns about market power. The industrialization of agriculture to more differentiated products and coordinated markets can also result in more information and knowledge about the quantity, quality, timing of delivery in the food product chains. To gain the competitive advantage in relation to the more efficiently coordinated poultry industry, more strategic market coordination should be sought in the hog and pork industry, that is the cooperative coordination as a specific type of quasi-integration.
김승호,박영구,고재철 三陟大學校 2000 論文集 Vol.33 No.2
In this study, we synthesized Mn₃O₄ by the different equivalent ratio, investigated XRD, SEM, TG-DTA, BET, and the amount of adsorption of carbon dioxide. As the results, we surveyed that XRD main peak was Mn₃O₄, some peak was MnO₂ and Mn??O??, SEM was globular-shape of the majority, some neele-shape, TG-DTA had weight-loss from 100℃ to 400℃ and endothermic reaction over 400℃, BET was 14.16∼29.63㎡/g and the amount of chemisorption of carbon dioxide was 2.885∼19.628cc/g. Optimal equivalent ratio was 1.00 to the physi-chemisorption of carbon dioxide.
질소산화물 제거를 위한 V₂O_5/TiO₂촉매 코팅된 다공성 실리카 필터의 제조 및 특성
한요섭,고재철,박영구,김승호,박재구 三陟大學校 2005 論文集 Vol.38 No.-
The prepared porous support from silica coated with TiO₂ and V₂O_(5) catalysts were studied by selective catalytic reduction of NOx with NH₃ The effects of V₂O_(5) loading, reaction temperature, space velocity and filter-type(disk and sphere) on the characteristics of NOx reduction with NH₃ were mainly investigated. At space velocity 6000h^(-1), reaction temp rature 350℃, V₂O_(5) loading 6.Owt.% and oxygen content 5%, the NOx reduction was higher to about 91%. The efficiency of porous silica on V₂O_(5)/TiO₂ catalytic disk-filter was higher than that of the V₂O_(5)/TiO₂ catalytic sphere-filter. It has been experimentally observed that the V₂O_(5)/TiO₂ catalytic disk-filter has strong resistance of gas flow.
김성완,윤철종,최성우,김성우,우성훈,신남철,박승조 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.2
We have investigated a performance of bio-electrode reactor for removal of nutrient like a nitrogen, phosphorus and organic substrate. Lab scale of bio-electrode reactor was operated with synthetic and tannery wastewater. Iron bar and stainless steel used for anode and cathode respectively. In experiment with synthetic wastewater, we were able to obtain the optimal current density range of 2.4-40 mA/dm² after 48 hrs operating time. And in that experiment, about 70~73% of ammonia nitrogen and 54~64% of phosphorus were removed. In experiment with tannery wastewater at 2.4-4.0 mA/dm², the removal rate of ammonia nitrogen, phosphorus and organic substract were about 62-69%, 45~59% and beyond 79% respectively.
진양오,윤철종,우성훈,최성우,김익성,박승조 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.1
The objective of this study were to treat waste paper with waste acid and alkali so to enhance maturity of the wastes. The sample was office paper and news paper which ratio was 1:1 and the reagents for pre-treatment were sulfuric acid and sodium hydroxide for waste acid and alkali. The maturity indices were taken volatile solid. cation exchange capacity, and gas production variation. The pre-treatment method was to dip the sample in the reagent according to time, concentration, and dosage. The methods of treatment were to dip the wastes in leachate and to landfill in soil. The result of this study were as follow. When waste paper was treated by acid and alkali, the proper treatment condition was 24hours and 0.1 normality of acid and alkali. The pre-treated samples with acid and alkali such as RSN and RSH were more effective in maturity than non-treated sample such as RS. The post-treated sample such as RSL, RSNL, and RSHL was more effective than nonpost-treated sample such as RS, RSN, and RSH.
유재현,박승조,윤철중 東亞大學校 1999 東亞論叢 Vol.36 No.-
This study is the removal of nitrogen in the tannery wastewater by modified intermittent aeration process. The experiment was performed with the tannery wastewater of J industry complex located in Pusan. The reactor volume used for experiment was 114.24l as pilot scale. The performance of this process was evaluated by variation of wastewater temperature with 30, 20, 15℃. On operating with wastewater at 30℃ the removal rate of total nitrogen and NH₃-nitrogen were about 93% and 98% respectively. NO₂-nitrogen and NO₃-nitrogen were contained with 20~30mg/L in intermittent and nitrification reactor but those were reduced with 10mg/L in effluent by denitrification bacteria. By the way on operating with wastewater at 20℃ and 15℃ the removal rate of total nitrogen was 97%, 95% respectively. Because of change of operating condition it was prevented the reduction of activity of microorganism temperature down.