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임남성,문수형,이재황,김강석,Im, Nam-Sung,Moon, Soo-Hyung,Lee, Jai-Hoang,Kim, Kang-Sueck 한국생명보험의학회 1990 保險醫學會誌 Vol.9 No.-
We'd performed the upper gastrointestinal study for a total of 10,047 insureds-male 5,919 female 4,128 persons-who were examined at medical department of Dae Han Kyoyuk Insurance Co., from August, 1986 to December, 1989. The results on duodenal ulcer were as follows; 1) Duodenal ulcer was found in 138 cases(1.37%) among the 10,047 insureds. 2) In all 138 cases who have duodenal ulcer, duodenal ulcer was found in 112 cases(1.89%) among the 5,919 insureds of male and in 26 cases(0.63%) among the 4,128 insureds of female. The incidence of duodenal ulcer in male was higher than in female. 3) The possessing rate of duodenal ulcer is 1.28% in 20 yrs, 1.24% in 30 yrs, 1.72% in 40 yrs, 1.21% in 50 yrs, 0.48% in 60 yrs. 4) The possessing rate of duodenal ulcer in male is 2.24% in 20 yrs, 1.78% in 30 yrs, 1.99% in 40 yrs, 2.05% in 50 yrs, 0.91% in 60 yrs and in female, 0.52% in 20 yrs, 0.48% in 30 yrs, 1.20% in 40 yrs, 0.2% in 50 yrs. 5) Coexistent lesion with duodenal ulcer were found in 19 cases; one case of esophageal diverticulum, one case of gastric diverticulum, one case of duodenal diverticulum, tow cases of gastric ulcer, six cases of gastritis, five cases of duodenitis, two cases of gastroduodenitis, one case of pseudodiverticulum.
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수학능력시험 성적을 고려한 대학교육의 임금 프리미엄 분석
임슬기,남성일 한국직업능력개발원 2019 직업능력개발연구 Vol.22 No.2
본 연구는 한국교육고용패널 1-11차 자료를 활용하여 수학능력시험을 고려한 대학교육의 임금 프리미엄을 분석하였다. 교육투자수익률의 능력편의를 제거하기 위해 언어, 수리, 외국어 평균성적을 개인의 내재된 능력의 대리변수로써 사용하였다. 분석 결과, 수능성적의 포함으로 4년제 대학의 교육투자수익률은 약 70% 감소하였으며 통계적 유의성 또한 감소하였다. 반면에 대학원 졸업의 경우 여전히 유의한 양의 수익률을 나타냈다. 대학의 질적인 측면을 통제한 경우 교육투자수익률의 감소폭은 확대되었으며, 이는 강건성 검정에서도 유지되었다. 해당 분석 결과는 대졸자의 증가와 취업 경쟁이 심화됨에 따라 우리나라에서 4년제 대학졸업이 가지는 신호효과가 미비해졌기 때문이라고 해석할 수 있다. This study aims to examine the wage premium of university graduation by taking the College Scholastic Ability Test (CSAT) into account using the 1st to 11th Korean Educational Employment Panel (KEEP). The study uses the average score of language, math, and English as a proxy for the individual’s unobservable ability for the purpose of adjusting for ability bias. According to the result of the analysis, the return to education for four-year universities lost its statistical significance when the CSAT scores were included and only return to education of graduate school had a significantly positive effect. The scope of reduction in the return on education expanded when the quality of university was controlled, and the result remained the same in the robustness test. These results imply that the signal effect of four-year university graduation in Korea has weakened due to the intensifying competition for jobs among college graduates.
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식도(食道) 및 십이지장(十二指腸)의 게실(憩室)에 관(關)한 연구(硏究)
문수형,임남성,이재황,김강석,Moon, Soo-Hyung,Im, Nam-Sung,Lee, Jai-Hoang,Kim, Kang-Sueck 한국생명보험의학회 1987 保險醫學會誌 Vol.4 No.1
We'd performed the upper gastrointestinal study for a total of 1,033 insureds-male 630, female 403 persons-who were examined at medical dept. of Dae Han Kyoyuk Insurance Co., Ltd., from August, 1986 to January, 1987. The results on diverticulum were as follows; 1. The incidence rate of duodenal diverticulum is exceptionally higher than esophageal diverticulum. 2. In all of 53 insured who have duodenal diverticulum and esophageal diverticulum, there was little difference between male and female in the incidence rate of diverticulum; 5.08% in male, 5.21% in female. 3. The possessing rate of both diverticulums increased by age regardless of sex. ; 0.71% in 20yrs, 2.12% in 30yrs, 11.11% in 40yrs, 12.75% in 50yrs, 30.43% in 60yrs more. 4. The possessing rate of both diverticulums in male is 0% in 20yrs, 1.97% in 30yrs, 7.21% in 40yrs, 15.09% in 50yrs, 27.27% in 60yrs more and in female, 1.16% in 20yrs, 2.40% in 30yrs, 7.87% in 40yrs, 10.20% in 50yrs, 33.33% in 60yrs more. 5. Those who have duodenal diverticulum 47 insureds felt the following subjective symptoms; uncomfortable 8.51%, heartburn and tingling each 4.26%, sore throat 2.13%and esophageal diverticulum's heartburn 16.67%. 6. There occurred the following complications in 47 insureds with duodenal diverticulum-gastric polyp, erosive gastritis, antral gastritis, cascade stomach, fatty liver, polyp in GB and choledocholithiasis; each 2.13% and cholelithiasis 6.38% and cascade stomach. 7. All duodenal diverticulum occurred in duodenal inlet. 8. The number of lesion was single in all esophageal diverticulum, but there was each one case with 2 lesions and 3 lesions in duodenal diverticulum.
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Solution-processed colored electrodes for ITO-free blue phosphorescent organic light-emitting diodes
Huseynova Gunel,임영지,Gasonoo akpeko,주철웅,유재민,이승훈,박재영,조남성,Kim Yong Hyun,이종희,Lee Jae-Hyun 한국정보디스플레이학회 2021 Journal of information display Vol.22 No.1
Reported herein are solution-processed polymer anode electrodes for blue phosphorescent organic light-emitting diodes (PhOLEDs). The highly conductive anodes were made from 10-wt%-methylred-( MR)-doped poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) (PH1000) films. The red-colored and uniform polymer films demonstrated electrical conductivity values that significantly increased from 0.25 to 50 S·cm−1 after doping. The more than 200-fold enhancement in conductivity indicates that the doped films have a lower sheet resistance and better hole injection and transport properties than the pristine films. The resultant PhOLEDs based on the doped polymer anodes exhibited stable, broad, and intense blue emission at 468nm with a 2616 cd·m−2 maximum luminance and a 4 V turn-on voltage. The obtained study results confirmed the effectiveness of the MR dye as a dopant for the significant enhancement of the conductivity and effective hole injection of PEDOT:PSS. Efficient future flexible optoelectronic applications can be built using this highly conductive polymer electrode obtained via a simple, solution-processed, and cost-effective doping approach.
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