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임근우,박일영,유승진,나병호,오동렬,전해명,황주일,김세경 대한응급의학회 1995 대한응급의학회지 Vol.6 No.1
We reviewed retrospectively 230 patients who came to emergency room of Kang Nam St. Mary's Hospital and Uijongbu St. Mary's Hospital between 1. January and 31. December 1994. We classified them according to their age, sex, a sort of drug, the cause of poisoning, prehospital care, time-lapse to arrive at hospital after poisoning, psychiatric problem the status of patients. *We conclude as follows; 1. The male to female ratio was totally 1 : 1.98, 1 : 1.24 in a urban area, 1 : 2.43 in a rural area. 2. On age of the patients in this study, the peake incidence was between 20 and 39(55.2%). 3. On seasonal prevalence, the poisoning was most common in summer and spring, in urban area(35.7%) and rural area(37.0%) respectively. 4. The common drug were as follow; Doxylamine, Organophosphate, Acetaminophen in urban area, Paraquat, Organophospate, Doxylamine in rural area 5. The percentage of suicidal attempt were 81.8% and 87.7% in urban area and rural area respectively. 6. The poisoning patients had psychatric problem in 19.4% and 24.6%, in urban area and rural area respectively. 7. Before arrival to emergency room, 27.7% of patient was done prehospital care in rural area. 8. On arrival to emergency room, 95.1% and 73.8% of patients show stable vital sign in urban area and rural area respectively.
Lim, Chun-Keun,Park, Duck-Hwan,Kim, Jeom-Soon,Cho, Jun-Mo,Kwon, Soon-Wo,Hur, Jang-Hyun The Korean Society of Plant Pathology 2003 Plant Pathology Journal Vol.19 No.1
From 1996 to 1999, potato-growing areas in Korea were surveyed for identification and distribution of potato scab pathogens. Potato scab was widely distributed in the mass cultivation areas, especially in Jriu island, southern areas of Chonnam and Gyounggi provinces, and the alpine area of Gangwon province. Jeju island was the most affected area by this disease. A total of 55 Streptomyces strains were isolated from potato scab lesions, among which 40 strains were pathogenic on progeny tubers. Among the pathogenic strain, 21 strains were identified as previously described S. scabies, 7 Strains as S. turgidiscabies, and 5 Strains as S. acidiscabies, while 7 strains were observed as having distinct phenotypic properties. These strains were classified into six distinct clusters based on phenotypic characteristics and selected representative strains for each cluster. S. scabies (S33) had grey spores in a spiral chain. Mean-while, S. turgidiscabies (S27) had grey spores, S. acidiscabies (S71) had white spores, S. luridiscabiei (S63) had yellow-white spores, S. puniciscabiei (S77) had purple-red spores, and S. niveiscabiei (S78) had thin and compact white spores, all in a rectiflexuous chain. Pathogenicity was determined by the production of thaxtomin A and homologs of necl and ORFtnp genes. In TLC, representative strains S27, S71, S63, S77, and S78 produced a yellow band that co-migrated with the authentic thaxtomin A. However, thaxtomin A was not detected in chloroform extracts from oatmeal broth culture and Slice tuber tissue of S. luridiscabiei (S63) and S. puniciscabiei (S77) by HPLC analysis. In addition, no homologs of necl and ORFtnp genes in S. acidiscabies (S71), S. luridiscabiei (S63), S. puniciscabiei (S77), and S. niveiscabiei (S78) were detected by PCR and Southern hybridization analysis.
Suppression of Meloidogyne incognita in Lettuce and Oriental Melon by Pasteuria penetrans KW1
Lim, Chun-Keun,Yu, Yong-Man,Cho, Myoung-Rea,Zhu, Yong-Zhe,Park, Duck-Hwan,Hur, Jang-Hyun The Korean Society of Plant Pathology 2003 Plant Pathology Journal Vol.19 No.3
Pasteuria penetrans KW1 (PP), parasitic bacterium of nematode, was isolated from oriental melon greenhouse soil in Korea and evaluated for the suppression effect on the reproduction of southern root-knot nematode, Meloidogyne incognita (MI), in lettuce (Lactuca sativa L. var. Chungchima) and oriental melon (Cucumis melo L. var. Eunchun). Pot experiments were conducted by planting the lettuce seedlings in medium inoculated with 5,000 MI juveniles/pot (J), J +100,000 PP endospores/l g medium, and J +200,000 PP endospores/1 g medium. After 11 weeks of plantation, number of root galls in J +200,000 PP endospores/1 g medium was decreased to 92/root (38.9%, control effect), compared to the J of 150/root. In the second plantation of lettuce in the same pots, the numbers of root gall were significantly decreased in PP treated pots with 75 (77.2%, control effect) and 150/root (54.4%, control effect) in J +200,000 and J +100,000 PP endospores/1 g medium, respectively, compared to the J of 330/root when harvested at 10 weeks after planting. In oriental melon, root gall percentages were 32.1 (60.2%, control effect) and 52.9% (34.5%, control effect) in J +200,000 and J + 1(10,000 endospores/l g medium which were significantly lower than that of 80.7% in J.
Lim, Jong-Chun,Lim, Tae-Young,Auh, Keun-Ho,Park, Won-Kyu,Kim, Byong-Ho The Korean Ceramic Society 2004 한국세라믹학회지 Vol.41 No.1
$La_{0.5}Sr_{0.5}CoO_3$ (LSCO) electrodes were prepared on ferroelectric $Sr_{0.9}Bi_{2.1}Ta_2O_9$(SBT) thin films by spin coating method using photosensitive sol-gel solution. Self-patterning technique of photosensitive sol-gel solution has advantages such as simple manufacturing process compared to photoresist/dry etching process. Lanthanum(III) 2-methoxyethoxide, Stronitium diethoxide. Cobalu(II)2-methoxyethoxide were used as starting materials for LSCO electrode. UV irradiation on LSCO thin films lead to decrease solubility by M-O-M bond formation and the solubility difference allows us to obtain self-patternine. There was little composition change of the LSCO thin films between before leaching and after leaching in 2-methoxyethanol. The lowest resistivity of LSCO thin films deposited on $SiO_2$/Si substrate was $1.1{\times}10^{-2}{\Omega}cm$ when the thin film was ennealed at $740^{\circ}C$. The values of Pr/Ps and 2Pr of LSCO/SBT/Pt capacitor on the applied voltage of 5V were 0.51, 8.89 ${\mu}C/cm^2$, respectively.
Classification of Korean Green Tea Products Based on Chemical Components
Chun Jong Un,Choi Jeong,Lim Keun-Cheol,Kim Yong-Gul The Korean Society of Crop Science 2004 Korean journal of crop science Vol.49 No.4
The prices of domestic green tea products are relatively expensive and price differences within products of the same levels of quality are various. Also, there is no basic criteria on evaluation of green tea quality. To group 43 commercial green tea products into several parts by the principal component and cluster analyses, this work was done by use of 8 chemical constituents which were analyzed by NIR system. The principal component and cluster analyses revealed 8 groups. The first group included 16 products that had lower free amino acid and theanine contents. The second group included 5 products having higher free amino acid and theanine contents, but lower ash contents. The third group included 13 products showing medium values of 8 constituents. The IV group included 4 products having higher contents of moisture, free amino acids, and theanine. The V group included 1 product showing higher moisture but lower catechins contents. The VI group included 2 products that had higher moisture and catechins contents, but lower free amino acid and theanine contents. The VII group had higher moisture and catechins contents. The VIII group had higher ash and vitamin C contents. The free amino acid contents which were the most important in flavor evaluation of green tea quality did highly positively correlate with the contents of total nitrogen $(0.956^{**}),\;theanine\;(0.981^{**}),\;and\;caffeine\;(0.793^{**})$, but negatively with the contents of ash $(-0.884^{**})$. The catechins used as for functional ingredients did correlate with contents of caffeine(+) and vitamin C(-), respectively.
A Simulation of Electrochemical Kinetics for Gas Liquid Solid Phase of MCFC Anode
Lim, Jun Heok,Yi, Gyeong Beom,Suh, Kuen Hack,Lee, Jea Keun,Kim, Yun Sung,Chun, Hai Soo 한국화학공학회 1999 Korean Journal of Chemical Engineering Vol.16 No.6
A porous Ni-Al alloy anode for the molten carbonate fuel cell has been developed to enhance the creep resistance of the anode as well as to minimize the electrolyte loss. A dual-porosity filmed agglomerate model for the Ni-Al alloy anode has been investigated to predict the cell performance. The major physicochemical phenomena being modeled include mass transfer, ohmic losses and reaction kinetics at the electrode-electrolyte interface. The predicted polarization curves are compared with the experimental results obtained from a half cell test. The model predicted very well the steady-state cell performance at the given conditions that characterize the state of the electrode.