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Formation and Evaluation of the Coalition Government in Korea
Lee, Haeng-Jun,Jo, Sung-Ho 대한지방자치학회 2021 한국지방자치연구 Vol.23 No.1
경기도의 연합정치 성과에 대한 분석을 실시함에 있어 정책연합, 정부연합이라는 두 가 지 분류기준을 주요변수로 규정하였다. 아울러, 경기도 연합정치를 평가함에 있어 한국과 같은 지방자치단체의 독임제 기관구성 하에 연합정치의 성과를 분석하여 연합정치의 활성 화를 위한 방안으로서 지방자치제도 개선방안을 제시하였다. 경기도 연합정치의 한계로 행정업무 지연의 문제 등 연합정치로 인한 다양한 사업으로 인해 많은 예산이 반영되고 해당 부서의 중요사업에 대한 검토를 신속하게 이루어져야 함 에도 불구하고, 보고 및 결제단계 증가로 시간소요 또한 증가하는 등의 문제점이 나타났다. 향후 경기도 연합정치를 활성화시키고 나아가 이를 실천하기 위한 지방자치제도의 개선 방안으로 첫째, 기관구성의 다양화이다. 둘째, 지방장관제 도입이다. 셋째, 광역시도 의회의 역량을 강화하는 것이다. 넷째, 지방선거제도의 개편이다. On the other hand, comparing the first and second periods in terms of the governmental coalition, the allocation of power and the improvement of the coalition process can be mentioned. First, from the aspect of power allocation, the first stage handed over to the opposition party the vice governor of social integration, which is responsible for the three countries of health, welfare, environment, and women's family. In the second stage(Cho Sung-Ho et al., 2017), In this way, the opposition party is able to share power with the opposition party. At the same time, it introduced the coalition chairperson system, which further strengthened the power of political parties participating in the coalition. In addition, by establishing a unified political arbitration committee to facilitate the conflict situation that occurred under the coalition government, the coalition government made soft landing. In the future, we will suggest ways to improve the local autonomy system to revitalize the Gyeonggido coalition politics and to practice it. First, diversification of organization. Second, the introduction of local ministers. Third, the metropolitan city should strengthen its capacity. Fourth, it is a reorganization of local electoral system.
( Jun Yong Lee ),( Sang Kyung Jo ),( Myung Gyu Kim ),( Min Young Seo ),( Jihyun Yang ),( Kitae Kim ),( Hyojeong Chang ),( Sun Chul Kim ),( Wonyong Cho ),( Hyoung Kyu Kim ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Recently, emerging evidence suggest a presence of gut-kidney crosstalk. Despite of major advance in surgical techniques from open surgery to robot assisted surgery, acute kidney injury(AKI) is still major postoperative complication. The purpose of this study is to compare the incidence of postoperative AKI according to different surgical techniques and also the risk factors, outcomes of AKI in patients undergoing colorectal surgery. Methods: This is a single center, retrospective study. A total of 199 patients who received colectomy due to colorectal cancer from 2010 to 2012 were enrolled and their clinical data were reviewed. Results: The mean age was 66±12 years and male was 66.3%. Preoperative blood urea nitrogen and creatinine were 14.92±5.2 and 0.96±0.26 mg/dL. Stage I, II, III and IV cancer were found in 31.7%, 25.6%, 25.6% and 11.6% respectively. Open surgery was performed in 12% and laparoscopic assisted surgery or robot assisted surgery were performed in 55.7% or 32% of patients. AKI developed in 12 patients (6.0%), and 3(25%) of them received acute hemodialysis. Postoperative ileus developed in 58 patient(29%). Incidence of AKI was not different according to surgical techniques and the presence of diabetes, hypertension, chronic kidney disease(CKD), intraoperative shock, postoperative ileus, postoperative infection were associated with the development of AKI.Interestingly, postoperative ileus was found to be the only independent risk factor of AKI in multivariate analysis(odds-ratio:14.73,p=0.004).In addition,AKI patients showed significantly longer hospital stay and higher mortality than non AKI patients. Conclusions: Paralytic ileus is a common manifestation after colorectal surgery and it showed strong association with the development of AKI. These results can suggest that enhanced bacterial translocation or increased intraabdominal pressure possibly resulting from postoperative ileus might be partially responsible for the development of postoperative AKI following colectomy.
Effect of By-Product Gypsum Fertilizer on Methane Gas Emissions and Rice Productivity in Paddy Field
Jun-Hong Park,Yeon-Kyu Sonn,Myung-Suk Kong,Yong-Seon Zhang,Sang-Jo Park,Jong-Gun Won,Suk-Hee Lee,Dong-Hwan Seo,So-Deuk Park,Jang-Eok Kim 한국토양비료학회 2016 한국토양비료학회지 Vol.49 No.1
Rice cultivation in paddy field affects the global balance of methane (CH₄) as a key greenhouse gas. To evaluate a potential use of by-product gypsum fertilizer (BGF) in reducing CH₄ emission from paddy soil, CH₄ fluxes from a paddy soil applied with BGF different levels (0, 2, 4 and 8 Mg ha<SUP>-1</SUP>) were investigated by closed-chamber method during rice cultivation period. CH₄ flux significantly decreased (p<0.05) with increasing level of BGF application. 8 Mg ha<SUP>-1</SUP> of BGF addition in soil reduced CH₄ flux by 60.6% compared to control. Decreased soil redox potential (Eh) resulted in increasing CH₄ emission through a CO₂ reduction reaction. The concentrations of dissolved calcium (Ca) and sulfate ion (SO₄<SUP>2-</SUP>) in soil pore water were significantly increased as the application rate of BGF increased and showed negatively correlations with CH₄ flux. Decreased CH₄ flux with BGF application implied that SO₄<SUP>2-</SUP> ion led to decreases in electron availability for methanogen and precipitation reaction of Ca ion with inorganic carbon including carbonate and bicarbonate as a source of CH₄ formation under anoxic condition. BGF application also increased rice grain yield by 16% at 8 Mg ha<SUP>-1</SUP> of BGF addition. Therefore, our results suggest that BGF application can be a good soil management practice to reduce CH₄ emission from paddy soil and to increase rice yield.
Evaluation of Adult Lung CT Image for Ultra-Low-Dose CT Using Deep Learning Based Reconstruction
Jun-Ho JO,Hyo-June MIN,Kwang-Ho JEON,Yu-Jin KIM,Sang-Hyeok LEE,Mi-Sung KIM,Pil-Hyun JEON,Daehong Kim,Cheol-Ha Baek,Hakjae LEE 한국인공지능학회 2021 인공지능연구 (KJAI) Vol.9 No.2
Although CT has an advantage in describing the three-dimensional anatomical structure of the human body, it also has a disadvantage in that high doses are exposed to the patient. Recently, a deep learning-based image reconstruction method has been used to reduce patient dose. The purpose of this study is to analyze the dose reduction and image quality improvement of deep learning-based reconstruction (DLR) on the adult’s chest CT examination. Adult lung phantom was used for image acquisition and analysis. Lung phantom was scanned at ultra-low-dose (ULD), low-dose (LD), and standard dose (SD) modes, and images were reconstructed using FBP (Filtered back projection), IR (Iterative reconstruction), DLR (Deep learning reconstruction) algorithms. Image quality variations with respect to varying imaging doses were evaluated using noise and SNR. At ULD mode, the noise of the DLR image was reduced by 62.42% compared to the FBP image, and at SD mode, the SNR of the DLR image was increased by 159.60% compared to the SNR of the FBP image. Based on this study, it is anticipated that the DLR will not only substantially reduce the chest CT dose but also drastic improvement of the image quality.
Jo Jung Su,Kim Dong Sub,Jo Won Jun,Sim Ha Seon,Lee Hye Jin,Moon Yu Hyun,Woo Ui Jeong,Jung Soo Bin,Kim Steven B.,Mo Xiaoming,Ahn Su Ran,Kim Sung Kyeom 한국원예학회 2022 Horticulture, Environment, and Biotechnology Vol.63 No.4
The strawberry growth and fruit yield of five Korean cultivars in the tunnel-type greenhouse predicted using their growth. The number of leaves, petiole length, leaf length and width, crown diameter, and the ratio of red and far-red (RFR) of the five Korean cultivars were measured during the cultivation period. The number of leaves of all cultivars exhibited a similar trend during this period; the plant and petiole length of ‘Maehyang’ were the longest, leaf length exhibited similar trends in all five cultivars except for ‘Jukhyang’, the leaf width of ‘Arihyang’, was the longest, and crown diameter of ‘Keumsil’ was the thickest. The leaf length, crown diameter, and RFR were associated with the fruit yield in the multiple linear regression. When a single model was used to predict the yield of all five cultivars, the correlation between expected yield and actual yield was r = 0.53. When cultivar-specific models were built for the prediction, the correlation increased to r = 0.77. The results indicated that the fruit yield of strawberry cultivars could be better predicted by considering cultivar-specific information, so it may be necessary to consider individual cultivars specifically rather than all cultivars simultaneously.
Jun-Hong Park,Sang-Jo Park,Young-Jin Seo,Oh-Heun Kwon,Seong-Yong Choi,So-Deuk Park,Jang-Eok Kim 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.5
Ammonia loss from urea significantly hinders efficient use of urea in agriculture. The level of nitrous oxide (N₂O) a long-lived greenhouse gas in atmosphere has increased mainly due to anthropogenic source, especially application of nitrogen fertilizers. There are reports in the literature showing that the addition of zeolite to N sources can improve the nitrogen use efficiency. This study was conducted to evaluate nitrous oxide (N₂O) and ammonia (NH₃) emission by mixed treatment of urea and zeolite in upland crop field. Urea fertilizer and zeolite were applied at different rates to study their effect on N₂O emission during red pepper cultivation in upland soils. The N₂O gas was collected by static closed chamber method and measured by gas chromatography. Ammonia concentration was analyzed by closed-dynamic air flow system method. The total N₂O flux increased in proportion to the level of N application. Emission of N₂O from the field increased from the plots applied with urea-zeolite mixture compared to urea alone. But urea-zeolite mixture treatment reduced about 30% of NH₃-N volatilization amounts. These results showed that the application of urea and zeolite mixture had a positive influence on reduction of NH3 volatilization, but led to the increase in N₂O emission in upland soils.
Effect of Novel Quick Freezing Techniques Combined with Different Thawing Processes on Beef Quality
Jo, Yeon-Ji,Jang, Min-Young,Jung, You-Kyoung,Kim, Jae-Hyeong,Sim, Jun-Bo,Chun, Ji-Yeon,Yoo, Seon-Mi,Han, Gui-Jung,Min, Sang-Gi Korean Society for Food Science of Animal Resource 2014 한국축산식품학회지 Vol.34 No.6
This study investigated the effect of various freezing and thawing techniques on the quality of beef. Meat samples were frozen using natural convection freezing (NF), individual quick freezing (IQF), or cryogenic freezing (CF) techniques, followed by natural convection thawing (NCT) or running water thawing (RT). The meat was frozen until the core temperature reached $-12^{\circ}C$ and then stored at $-24^{\circ}C$, followed by thawing until the temperature reached $5^{\circ}C$. Quality parameters, such as the pH, water binding properties, CIE color, shear force, and microstructure of the beef were elucidated. Although the freezing and thawing combinations did not cause remarkable changes in the quality parameters, rapid freezing, in the order of CF, IQF, and NF, was found to minimize the quality deterioration. In the case of thawing methods, NCT was better than RT and the meat quality was influence on the thawing temperature rather than the thawing rate. Although the microstructure of the frozen beef exhibited an excessive loss of integrity after the freezing and thawing, it did not cause any remarkable change in the beef quality. Taken together, these results demonstrate that CF and NCT form the best combination for beef processing; however, IQF and NCT may have practical applications in the frozen food industry.