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Jang-Ho Lee,Joon-Soo Lee,Woo-Saeng Kwon,Je-Yong Kang,Dong-Yun Lee,Jun-Gyo In,Yun-Soo Kim,Jiho Seo,In-Ho Baeg,Il-Moo Chang,Keith Grainger 고려인삼학회 2015 Journal of Ginseng Research Vol.39 No.2
Background: Ginseng (Panax ginseng Meyer) is an important medicinal herbs in Asia. However, ginsengvarieties are less developed. Method: To developed ginseng varieties, a pure line selection method was applied in this study. Results: Gumpoong was testing of 4-yr-old specimens in 2002, the proportions of the below-groundroots that were rusty colored for Gumpoong was 1.29 in Daejeon and 1.45 in Eumseong, whereas theproportions for its yellow berry variant were 2.60 and 2.45 in the two regions, respectively. Thus theGumpoong was resistant to root rust. Sunpoong has a high yielding property. Its average root weight is70.6 g for 6-yr-old roots. Its yield is 2.9 kg/1.62m2 and the rate of heaven- and earth-grade product is20.9%, which is very high compared to 9.4% for Yunpoong. Sunone is resistance to root rot and thesurvival rate of 4-yr-old roots was 44.4% in 1997, whereas that of the violet-stem variant landrace was21.7%. Sunhyang has content of arginyl-fructosyl-glucose (AFG), which produces the unique scent of redginseng, is 95.1 mmol/g and greater than the 30.8 mmol/g of Chunpoong in 6-yr-old plants. Sunun andCheongsun are being nurtured to protect genetic resources. Conclusion: Developed ginsneg varieties will be used as the basis for the protection of genetic resourcesand breeding. Jang-Ho Lee
흡수에서 합성수지 충전물(Nor-Pac, 25mm)로부터 분리작용의 연구
김장호,김재홍,김종수,김형호 동아대학교 환경문제연구소 2002 硏究報告 Vol.25 No.1
This study was carried out to demonstrate the superiority of used packing in view of energy saving and efficiency of mass transfer, comparing with conventional packing. The results are as follows 1. Owing to low pressure drop under high load, 25mm NSW-ring, pp. can cause energy saving. 2. The unique magnitudes of used packing are as follows : C_(G) = 5.78 m = 0.67 n = 0.46 3. Used packing can make high efficiency including energy saving because of low pressure drop per the number of transfer unit. To rate the characteristic of packing, it should be carried out that the measurement of pressure drop per packing height and per the number of transfer unit. This study demonstrated the superiority of used packing by caning out above experiment and could be used as basic reference for design and predicting efficiency of packing tower which is filled with same packing.
김영수,박진식,장성호,장부규,서정민,김장호 동아대학교 환경문제연구소 1996 硏究報告 Vol.19 No.2
This study was carried out to investigate the performance enhancement of forced oxidation operation on the limestone utilization and SO₂ removal efficiency of the pilot flue gas desulfurization system. The results are as follows : 1. The results of the forced oxidation tests have shown that converting from natural to forced oxidation operation can have a significant effect on both limestone utilization and SO₂ removal efficiency of an FGD system. Conversely, if the limestone utilization is maintained at a constant level, the SO₂ removal efficiency will increase. Conversely, if the pH is held constant, the limestone utilization will increase significantly. 2. This characteristic of a forced oxidation system can translate into lower L/G requirements and, therefore, reduced capital and operating costs for slurry recycle pumps. 3. Forced oxidation operation will provide improved limestone utilization and, therefore. reduced limestone reagent costs.
합성수지 충전물을 이용한 충전탑에서 암모니아 처리에 관한 연구
김장호,김형호,김종수,김재홍,이경재 동아대학교 환경문제연구소 2003 硏究報告 Vol.25 No.2
In this study, packed column was chosen so as to remove ammonia gases, kinds of odor generated from industrial fields. Random packing 35mm Pallring pp., that is suitable for the environmental protection industry, was used because the packings are comparatively simple and easy to manufacture. Random packings 35mm Pallring, PP. has a form of lattice as plastic(po1ypropylene). By studying the characteristics for packing by experiment of dry pressure drop, hydraulic pressure drop, liquid hold-up and mass transfer, packed column is made as 300 [mm] in diameter, 1400 [mm] in height, the applicable criteria to the noxious gas treatment process was presented as follows.
고효율 충전탑에서 MEA 및 AMP 흡수제를 이용한 이산화탄소의 처리
김장호,김형호,강성진,김재홍,이경재 동아대학교 환경문제연구소 2003 硏究報告 Vol.25 No.2
In control technology of green house gas CO₂ exhausted, CO₂ recovery by chemical absorption technology is recommended. In application to a power station and industrial field with using the absorbent MEA and AMP for carbon dioxide removal. we used packing tower(D=0.l5m, H=1.05m) for experimental apparatus on the chemical absorbtion being used extensively as recovery technique of CO₂.
Nylon 6 fiber media를 이용한 Biofilter의 VOCs(Toluene)의 제거
김장호,최동훈,김종수,김형호,장봉수 동아대학교 환경문제연구소 2002 硏究報告 Vol.25 No.1
This study was investigated the application and kinetics of biofiltration using cometabolic process to remediate gaseous toluene that are highly recalcitrant to adsoption and biodegradation. Biofiltration was successfully applied to treat amixture of volatile organic compounds(Toluene) from contaminated air stream. Immobilized Ps.oleovorans biofilter was evaluated for its value in simultaneous removal of Toluene from waste air stream. In the loading rate (1,000ppm) and space velocity(1,200hr). the average removal efficiencies of Toluene were 33.7%. and CO2 production rate were 5.28㎎/hr
김장호,김형호,김종수 동아대학교 환경문제연구소 2001 硏究報告 Vol.24 No.2
In control technology of green house gas CO₂ exhausted, CO₂recovery by chemical absorption technology is recommended. In application to a power station and industrial field with using the absorbent MEA and AMF for carbon dioxide removal. we used packing tower(D=0.l5m, H=1.05m) for experimental apparatus on the chemical absorbtion being used extensively as recovery technique of CO₂. The pressure drop of structured packing Mellapak N. 250Y and random packing 25mm Pall nng was 5.2, 8.5 [mm H₂O/m in the gas capacity factor [kg^(1/2) m^(-1/2) s^(-1)]. Metallic Ralu-Pack 250YC, however, structured packing. has recently being used in petrochemical production plant in general. The decision of tower height depends on the number of transfer unit(NTU) and HTU influence on liquid distribute. If liquid flow is not good material separation, it is bad and usually occurs in the foolding point. In the normal condition, new systematic understanding is given on metal Ralu-Pack 250 YC.
김장수 ( Jang Soo Kim ),장동호 ( Dong Ho Jang ) 한국사진지리학회 2011 한국사진지리학회지 Vol.20 No.4
이 연구는 무인도서의 생태보존권역 설정을 위하여 지형경관을 평가하고 등급화 하였다. 이를 위해 신안지역에 신안군 지역에 산재한 20개를 현지조사 하였다. 연구결과, 신안군의 무인도서는 절대보전지역(I), 보존지역(II), 준보존지역(III), 이용가능지역(IV)으로 분류할 수 있었다. 그 결과, 절대보전지역(I)으로 평가된 도서는 흑도, 장도, 소룡도, 죽도, 지실도, 하죽도 등 6개이며, 보존지역(II)으로 평가된 도서는 저도, 장구섬, 마도, 인도, 기상도, 송도, 상죽도, 대과도 등 8개이며, 준보존지역(III)으로 평가된 도서는 소장도, 소송도, 안도 등 3개 이며, 이용가능지역(IV)으로 평가된 도서는 소기도, 가학도, 소죽도 등 3개이다. 특히 절대보존지역 및 보존지역으로 선정된 도서는 지형경관 자원이 우수해 훌륭한 자연학습장 또는 야외연구실로 활용될 수 있을 것으로 기대된다. This study has evaluated and leveled the geomorphological landscape for the setting of an ecological preservation zone on uninhabited islands. The 20 uninhabited islands, which are scattered around the Sinan-gun region have been surveyed on field. As a result of study, uninhabited island off Shinan-gun was classified the absolute preservation areas(I), preservation areas(II), quasi-preservation areas(III), and a available areas(IV). These results evaluated 6 islands of Heuk-do, Jang-do, Soryong-do, Juk-do, Jisil-do, and Hajuk-do to be absolute preservation areas(I), the 8 islands of Jeo-do, Janggu Island, Ma-do, In-do, Gisang-do, Song-do, Sangjuk-do, and Daegwa-do to be preservation areas(II), the 3 islands of Sojang-do, Sosong-do, and An-do to be quasipreservation areas(III), and the 3 islands of Sogi-do, Gahak-do, and Sojuk-do to be available areas(IV). Those islands selected as absolute preservation areas and preservation areas have especially outstanding geomorphological landscape resources, and are expected to be able for use as natural study fields or as outdoor laboratories.