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梁相互,高正殷,金聖學,高正三 濟州大學校 亞熱帶農業硏究所 1994 亞熱帶農業硏究 Vol.11 No.-
제주산 청도온주의 저온저장조건을 검토하였다. 저장기간 중 3월 하순까지는 과피수분, 가용성고형물, 총당, 비타민 C, 비중의 변화가 매우 적었으며, 부패율이 20%수준으로서 비교적 신선도를 유지한 상태에서 저장이 가능한 것으로 보였다, 그러나 그 이후에는 온도가 낮을수록 냉해증상이 심하게 일어나 부패과의 발생이 많아지면서 저장이 어려웠다. 또한, 중량감소, 경도의 저하, 산함량의 저하는 저장기간동안 계속하여 서서히 일어났다. 온주밀감의 경우 저온에서 장기간 저장이 어려움을 알 수 있어서 저장용 감귤의 특성을 고려하여 저장조건을 설정할 필요가 있었다. The conditions of cold stroage of Citrus aoshima unshiu produced in Cheju were investigated. The changes of peel moisture content, soluble solids, total sugar, vitamin C and density were slightly occured, and decay ratio was below 20% on keeping freshness relatively till late of March during cold storage. After that, decayed citrus fruits were increased from cold injury with lower temperature. The loss of fruit weight, decrease of fruit hardness, and decrease of acid content were occured gradually during cold stroage. Because of the difficulty of long term storage for Citrus unshiu, the conditions and periods of cold storage would be determined after considering the physicochemical properties of fruits every year.
강정우,고영옥,강성진,김규용,박규은 濟州大學校 師範大學 科學敎育硏究所 1996 科學敎育 Vol.13 No.-
To investigete the obstacles of developing physics education in secondary schools and the countermeasure in present situtation, I distributed subject - description style answer sheets to middle & high school teachers in Cheju, which consist of 28 detail subjects under the big 8 themes. The recovery rate is 75%, and now I'm describing the result. According to the themes, total frequency is like this : Derection of Physics Leaming(412), Administration of Physics Facilities and Other Elements(298), Administration of Physics Education(268), Contents of Text( 183), Events of Science(163), Guiding of Students(l23), Grade and Evaluation of Students(101), 6th Education Cumculum(86). It suggests as the improvement that experiment training for teachers be reinforced, programs about new physicse teaching menthod be introduced, teachers try to motivate the students in class, teaching material for students?advanced learning be developed, usage of teaching material be presented, qualified experiment assistant be arranged and no less than two laboratories be provided by school unit and hours of teaching on physics teacher lessen. Besides, science events need to be held for every student by school unit, which should be eximined about when and how they would be he held.
Ko Eun Lee,정성애,Sang Hyoung Park,문창모,So Yeon Shim,Eun Soo Kim,Su Jin Cho,Seong-Eun Kim,Kwang Bum Cho,양석균 대한장연구학회 2019 Intestinal Research Vol.17 No.2
Background/Aims: The onset of inflammatory bowel disease (IBD) usually occurs at young age, and therefore, women IBD patients experience pregnancy during their disease progression. Recently, the use of anti-tumor necrosis factor-α (anti-TNF-α) has been rapidly increasing. The aim of this study was to evaluate pregnancy related outcomes in women with IBD who were treated with anti-TNF-α during pregnancy and immunity of their children. Methods: Korean women with IBD who had been treated with anti-TNF-α during pregnancy had been enrolled. Medical records were reviewed and a survey was performed for each patient. For the patients who agreed on additional examination for their children, children’s growth, medical history and antibody to hepatitis B surface antigen (anti-HBs) titer were checked. Results: All 18 patients had been diagnosed with Crohn’s disease. There was not any case of preterm delivery, low birth-weight infant, congenital anomaly, nor stillbirth. All 12 children had followed the regular vaccination schedule for hepatitis B and 4 of them showed negative results for anti-HBs. After the 1 booster vaccination, all children demonstrated seroconversion. Regarding live vaccines, 4 children had bacillus Calmette-Guerin and 4 had rotavirus vaccine before 6 months, without any specific side effects. Conclusions: This was the first study of immunity of the children born from IBD women who had been treated with anti-TNF-α medication during their pregnancy. IBD women had comparable pregnancy outcomes with the general women population, suggesting that the disease activity rather than the administered medication would be more important in healthy pregnancy. Considering the history of vaccination and anti-HBs titers, immunity seems to be intact in the children. (Intest Res 2019;17:237-243)
Ko Seong Eun,Lee Min Woo,Ahn Soohyun,Rhim Hyunchul,Kang Tae Wook,Song Kyoung Doo,Kim Jong Man,Choi Gyu Seong,Cha Dong Ik,Min Ji Hye,Sinn Dong Hyun,Choi Moon Seok,Lim Hyo Keun 대한영상의학회 2022 Korean Journal of Radiology Vol.23 No.6
Objective: To compare the therapeutic outcomes of laparoscopic hepatic resection (LHR) and laparoscopic radiofrequency ablation (LRFA) for single subcapsular hepatocellular carcinoma (HCC). Materials and Methods: We screened 244 consecutive patients who had received either LHR or LRFA between January 2014 and December 2016. The feasibility of LRFA in patients who underwent LHR was retrospectively assessed by two interventional radiologists. Finally, 60 LRFA-feasible patients who had received LHR and 29 patients who had received LRFA as the first treatment for a solitary subcapsular HCC between 1 cm and 3 cm were finally included. We compared the therapeutic outcomes, including local tumor progression (LTP), recurrence-free survival (RFS), and overall survival (OS) between the two groups before and after propensity score (PS) matching. Multivariable Cox proportional hazard regression was also used to evaluate the difference in OS and RFS between the two groups for all 89 patients. Results: PS matching yielded 23 patients in each group. The cumulative LTP and OS rates were not significantly different between the LHR and LRFA groups after PS matching (p = 0.900 and 0.003, respectively). The 5-year LTP rates were 4.6% and 4.4%, respectively, and OS rates were 100% and 90.7%, respectively. The RFS rate was higher in LHR group without statistical significance (p = 0.070), with 5-year rates of 78.3% and 45.3%, respectively. OS was not significantly different between the LHR (reference) and LRFA groups in multivariable analyses, with a hazard ratio (HR) of 1.33 (95% confidence interval, 0.12–1.54) (p = 0.818). RFS was higher in LHR (reference) than in LRFA without statistical significance in multivariable analysis, with an HR of 2.01 (0.87–4.66) (p = 0.102). Conclusion: There was no significant difference in therapeutic outcomes between LHR and LRFA for single subcapsular HCCs measuring 1–3 cm. The difference in RFS should be further evaluated in a larger study.
Ko, Eun-Seong,Joung, Ji-An,Kim, Chang-Hwan,Lee, Su Hwan,Sa, Tongmin,Choi, Joon-Ho 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.4
The scientific information between microbial activities and chemical properties of reclaimed tidal soil is not enough to apply for reclamation projects. This study was conducted to investigate the relation between chemical properties and microbial activities of reclaimed tidal lands located at western coastal area (25 samples from Nampo, Ewon, Sukmoon and Shihwa sites). Most of the reclaimed soils showed chemical characteristics as salinity soil except Nampo site. The major component influenced the salinity of reclaimed soil was identified as a sodium from the relationship between EC and exchangeable cation. With an increase in EC of soil, the population of mesophilic bacteria decreases whereas halotolerant and halophilic bacteria increases. The population of mesophilic bacteria increased with an increase in both organic matter and dehydrogenase activity. However, the population of halotolerant and halophilic bacteria decreased with an increase in organic matter. Based on the relation between chemical property and microbial activity of reclaimed tidal soil, electrical conductivity and organic matter as chemical properties of soil, population of mesophilic bacteria, halotolerant and halophilic bacteria and dehydrogenase activity as microbial activities could be the major parameters for reclamation process.
Eun-seong Ko,Ji-An Joung,Chang-Hwan Kim,Su Hwan Lee,Tongmin Sa,Joon-Ho Choi 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.4
The scientific information between microbial activities and chemical properties of reclaimed tidal soil is not enough to apply for reclamation projects. This study was conducted to investigate the relation between chemical properties and microbial activities of reclaimed tidal lands located at western coastal area (25 samples from Nampo, Ewon, Sukmoon and Shihwa sites). Most of the reclaimed soils showed chemical characteristics as salinity soil except Nampo site. The major component influenced the salinity of reclaimed soil was identified as a sodium from the relationship between EC and exchangeable cation. With an increase in EC of soil, the population of mesophilic bacteria decreases whereas halotolerant and halophilic bacteria increases. The population of mesophilic bacteria increased with an increase in both organic matter and dehydrogenase activity. However, the population of halotolerant and halophilic bacteria decreased with an increase in organic matter. Based on the relation between chemical property and microbial activity of reclaimed tidal soil, electrical conductivity and organic matter as chemical properties of soil, population of mesophilic bacteria, halotolerant and halophilic bacteria and dehydrogenase activity as microbial activities could be the major parameters for reclamation process.