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미술요소 중심 협동미술활동이 유아의 친사회성, 언어능력, 그리기표상능력에 미치는 효과
양새롬(Sae-Rom Yang),김성희(Sung-Hee Kim),김성현(Seong-Hyun Kim) 중앙대학교 한국교육문제연구소 2013 한국교육문제연구 Vol.31 No.1
본 연구의 목적은 미술요소 중심의 협동미술활동이 유아의 친사회성, 언어능력, 그리기 표상능력에 미치는 효과를 검증하는 데 있다. 연구대상은 만 5세 유아 50명이며, 평균 원령은 71.04개월이었다. 실험집단 유아들은 미술요소 중심의 협동미술 활동에 참여하였고, 비교집단 유아들은 표현중심의 협동미술 활동을 실시하였다. 연구도구로는 유아의 친사회성 능력 측정을 위하여, McGinnis와 Goldstein의 ‘사회적 기술상황 검사도구’를 번안하고 수정하여 사용하였고, 유아의 언어능력 측정은 서울장애인복지관이 개발한 ‘구문이해력검사’, 그리기 표상능력은 지성애의 ‘그리기 표상능력 측정척도’를 사용하였다. 수집된 자료는 SPSS18.0 프로그램을 사용하여 독립표본 t검증과 공변량분석을 사용하여 집단 간 차이를 분석하였다. 연구결과 실험집단이 비교집단 보다 친사회성, 언어능력, 그리기 표상능력에서 점수가 유의하게 높은 것으로 나타나 본 연구에서 개발한 소집단 종이접기 활동이 유아의 친사회성, 언어능력, 그리기표상능력 증진에 긍정적인 효과가 있는 것으로 밝혀졌다. The purpose of this study was to construct the art elements-centered cooperative art activity and to analyze the effects of the art elements-centered cooperative art activity on young children's pro-sociability, language ability, and drawing representation ability. The subjects used in this study were fifty 5 year-old student who attended S kindergarden in G city. Mean age of the subjects was 71.04 months. The translated and modified version of ‘Social Situation Measurement’ devised by McGinnis and Goldstein(1990), the ‘Understanding about Syntactic Meaning Scale’ developed and standardized by Seoul Community Rehabilitation Center(2009), and the ‘Drawing representation Ability Scale’ made by Chi, Sung-Ae(2001) were used to measure pro-sociability, language ability, and drawing representation ability of young children respectively. The study also used Independent t-test and ANCOVA to analyze the data. It was revealed that the scores of the experimental group in the pro-sociability, language ability, and drawing representation ability were significantly higher than the scores of the comparative group. In conclusion, the results of this study suggest that the Art Elements-Centered Cooperative Art Activity is effective in promting youngchildren's pro-sociability, language ability, and drawing representation ability.
제주도 지하수 질산염 농도의 시·공간적 변화 특성: 장기(1993-2015) 모니터링 자료의 평가
김호림(Ho-Rim Kim),오준섭(Junseop Oh),도현권(Hyun-Kwon Do),이경진(Kyung-Jin Lee),현익현(Ik-Hyun Hyun),오상실(Sang-Sil Oh),감상규(Sang-Kyu Kam),윤성택(Seong-Taek Yun) 대한자원환경지질학회 2018 자원환경지질 Vol.51 No.1
1993년부터 2015년까지 관측된 제주도 지하수 장기모니터링 관측정(N = 4,835)에서 수집된 지하수 수질자료(N = 21,568)를 기반으로 질산성질소의 시공간적 변동 특성을 평가하였다. 제주도 지하수의 질산성질소 농도의 중앙값은 2.5 mg/L로서 다른 국가나 대륙의 조사 결과에 비해 다소 높거나 유사한 것으로 나타났다. 또한 지하수 용도, 행정구역 및 고도 별로 유의한 차이를 보였다. 특히, 산간 지역에 비해 저지대 해안가에 위치한 농업 및 주거지역에서 농도가 높음을 확인하였다. Mann-Kendall 및 Sen’s slope 분석을 활용한 질산성질소 농도의 추세 분석 결과, 하류 저지 대에 비해 중산간지역에서의 질산성질소 농도 증가 경향이 뚜렷하였다. 제주도 내 토지 피복의 시계열 변화 특성과 결부 지어 보면, 중산간지역의 오염 증가 추세는 농업지역의 확장 등 인위적 활동 증가에 기인한 결과로 판단된다. 반면,기지정된 지하수자원특별관리구역에서는 전반적으로 질산성질소 농도의 감소 경향이 나타났는데, 이는 지하수 관리 측면에서 수질관리를 위한 적극적인 정책이 유효함을 시사한다. 본 연구에서는 제주도 지하수의 질산성질소 오염관리를 위한 적정 방안을 제안한다. The spatio-temporal variations of nitrate concentrations in groundwater of Jeju Island were evaluated by an analysis of time series groundwater quality data (N = 21,568) that were collected from regional groundwater monitoring (number of wells = 4,835) for up to 20 years between 1993 and 2015. The median concentration of NO 3 -N is 2.5 mg/L, which is slightly higher than those reported from regional surveys in other countries. Nitrate concentrations of groundwater in wells tend to significantly vary according to different water usage (of the well), administrative districts, and topographic elevations: nitrate level is higher in low-lying agricultural and residential areas than those in high mountainous areas. The Mann-Kendall trend test and Sen’s slope analysis show that nitrate concentration in mid-mountainous areas tends to increase, possibly due to the expansion of agricultural areas toward highland. On the other hand, nitrate concentrations in the Specially Designated Groundwater Quality Protection Zones show the temporally decreasing trend, which implies the efficiency of groundwater management actions in Jeju. Proper measures for sustainable groundwater quality management are suggested in this study.
A retrospective analysis of second-line chemotherapy in patients with advanced gastric cancer (초)
( Sang Hoon Ji ),( Do Hyoung Lim ),( Min Jae Park ),( Seong Yoon Yi ),( Kyoung Ha Kim ),( Hyo Song Kim ),( Hyun Jung Jun ),( Ji Eun Uhm ),( Jee Yun Lee ),( Se Hoon Park ),( Joon Oh Park ),( Young Suk 대한내과학회 2008 대한내과학회 추계학술대회 Vol.2008 No.-
Simplified Thermal Model of Semiconductor Fuse for DC Distribution System
Seong-Yong Lee,Young-Kwang Son,Hyung-June Cho,Seung-Ki Sul,Sang-Hyun Kim,Nam-Sook Kang,Woo-Jae Park 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
For last 50 years the semiconductor fuse has been developed and applied to power electronics system to protect the diode and thyristors. The semiconductor fuses are used in DC distribution systems instead of high speed solid state DC circuit breakers, which are too expensive to apply widely. In this study, simple thermal model of the fuse is presented to describe the melting and cooling effect of the fuse and a method is proposed to derive the parameter from the Time-Current-Curve (TCC) without further detailed data from manufacturer. The effectiveness of the model and circuit have been verified by computer simulation and experimental results.
Risk Factors for Postoperative Recurrence in Korean Patients with Crohn’s Disease
Sung Bae Kim,Jae Hee Cheon,Jae Jun Park,Eun Soo Kim,Seong Woo Jeon,Sung-Ae Jung,Dong Il Park,Chang Kyun Lee,Jong Pil Im,You Sun Kim,Hyun Soo Kim,Jun Lee,Chang Soo Eun,Jeong Mi Lee,Byung Ik Jang,Geom S 거트앤리버 소화기연관학회협의회 2020 Gut and Liver Vol.14 No.3
Background/Aims: A considerable number of patients with Crohn’s disease still need intestinal resection surgery. Postoperative recurrence is an important issue in Crohn’s disease management, including the selection of high-risk patients. Eastern Asian patients showed several differences from Caucasian patients. Therefore, we investigated the postoperative surgical recurrence outcome and identified risk factors in Korean patients. Methods: Clinical data of 372 patients with Crohn’s disease who underwent first intestinal resection between January 2004 and August 2014 at 14 hospitals in Korea were retrospectively reviewed. Results: Over the follow-up period, 50 patients (17.1%) showed surgical recurrence. The cumulative surgical recurrence rate was 6.5% at 1 year and 15.4% at 7 years. Age under 16 (p=0.011; hazard ratio [HR], 5.136; 95% confidence interval [CI], 1.576 to 16.731), colonic involvement (p=0.023; HR , 2.011; 95% CI, 1.102 to 3.670), and the presence of perianal disease at surgery (p=0.008; HR, 2.239; 95% CI, 1.236 to 4.059) were independent risk factors associated with surgical recurrence. Postoperative thiopurine treatment (p=0.002; HR, 0.393; 95% CI, 0.218 to 0.710) was a protective factor for surgical recurrence. Conclusions: Among the disease characteristics at surgery, younger age, colonic location, and perianal lesions were independent risk factors for surgical recurrence. Postoperative thiopurine treatment significantly reduced the incidence of surgical recurrence.
Recovery of serine protease inhibitor from fish roes by polyethylene glycol precipitation
( Hyun Ji Lee ),( Hyung Jun Kim ),( Sung Hwan Park ),( In Seong Yoon ),( Gyoon-woo Lee ),( Yong Jung Kim ),( Jin-soo Kim ),( Min Soo Heu ) 한국수산과학회(구 한국수산학회) 2016 Fisheries and Aquatic Sciences Vol.19 No.3
The fractionation of serine protease inhibitor (SPI) from fish roe extracts was carried out using polyethylene glycol-4000 (PEG4000) precipitation. The protease inhibitory activity of extracts and PEG fractions from Alaska pollock (AP), bastard halibut (BH), skipjack tuna (ST), and yellowfin tuna (YT) roes were determined against target proteases. All of the roe extracts showed inhibitory activity toward bromelain (BR), chymotrypsin (CH), trypsin (TR), papain-EDTA (PED), and alcalase (AL) as target proteases. PEG fractions, which have positive inhibitory activity and high recovery (%), were the PEG1 fraction (0.5 %, w/v) against cysteine proteases (BR and PA) and the PEG4 fraction (20.40 %, w/v) against serine proteases (CH and TR). The strongest specific inhibitory activity toward CH and TR of PEG4 fractions was AP (9278 and 1170 U/mg) followed by ST (6687 and 2064 U/mg), YT (3951 and 1536 U/mg), and BH (538 and 98 U/mg). The inhibitory activity of serine protease in extracts and PEG fractions from fish roe was stronger than that of cysteine protease toward common casein substrate. Therefore, SPI is mainly distributed in fish roe and PEG fractionation effectively isolated the SPI from fish roes.
( Hyun Sik Youm ),( Ja Seong Koo ),( Sung Eun Moon ),( Bo Sun Joo ),( Hwa Sook Moon ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.99 No.-
To summarize the available evidence from studies comparing open versus closed vitrification for cryopreservation of human oocyte and embryo. Meta-analysis was performed on the 13 selected studies in the statistical framework R using meta package (fixed effect model: inverse variance method, random effects model: DerSimonian-Laird estimator). Overall, this study summarized information from 4460 vitrified human oocytes and embryos (open vitrification: n = 2431, closed vitrification: n = 2029). Subgroup analysis (mature oocyte, cleavage stage embryo, and blastocyst embryo) was conducted. The outcomes considered in this study were the rates of survival, implantation, clinical pregnancy, and live birth. The rates of survival, implantation, clinical pregnancy, and live birth did not different between open and closed vitrification (survival: relative risk [RR] 0.98, 95% confidence interval [CI] 0.97-1.00 in fixed effect model [FEM], RR 0.97, 95% CI 0.92-1.01 in random effects model [REM]; implantation: RR 1.05, 95% CI 0.92-1.19 in FEM, RR 1.05, 95% CI 0.90-1.23 in REM; clinical pregnancy: RR 1.01, 95% CI 0.88-1.14 in FEM, RR 1.01, 95% CI 0.85-1.20 in REM; live birth: RR 0.94, 95% CI 0.81-1.09 in FEM, RR 0.92, 95% CI 0.74-1.14 in REM; similar results in each subgroup). This study shows that open vitrification may be replaced by closed vitrification without affecting clinical efficiency. Therefore, closed vitrification provides an aseptic alternative to open vitrification for cryopreservation of human oocyte and embryo.