http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
조명용 백색 LED광원의 등기구 형태에 따른 광도 및 기구효율 분석
황명근,허창수,서유진,Hwang, Myung-Keun,Huh, Chang-Su,Seo, Yu-Jin 한국조명전기설비학회 2004 조명·전기설비학회논문지 Vol.18 No.3
본 논문에서는 조명용 고휘도(HB, high brightness) 백색 LED(light emitting diode)램프의 배열 및 여러 가지 등기구 글로브(globe)의 형태에 따른 광도(luminous intensity)값과 기구효율(luminaire efficiency)을 컴퓨터 시뮬레이션으로 수행하여 비교분석 하였다. 즉, LED의 배열은 가로${\times}$세로(7개${\times}$7개)가 정사각형 형태로 49개를 배열하고, LED 간격은 LED의 발광면 중심부로부터 8.2[mm], 10.0[mm], 15.0[mm]로 각각 3가지로 하였으며, 등기구의 글로브는 LED발광면 중심부에서 30[mm], 50[mm] 떨어진 거리로 구분하였다. 또한 등기구 글로브가 없을 때와 있을때로 구분하여 있을 때에는 글로브 형태를 볼록 원형과 엠보(embossing)형태로 구분하고 엠보는 8.2[mm], 5.0[mm]의 크기에 따른 선택으로 시뮬레이션 27가지로 수행하여 등기구의 글로브 형태에 따른 광도 및 기구효율을 고찰해 봄으로써 앞으로 21세기 디지털조명이라고 일컫는 LED를 사용한 LED 광원(light source) 및 등기구 개발에 많은 도움이 되고자 하였다. In this paper, luminaire optical efficiency and luminous intensity according to array of HB(high brightness) white LED(light emitting diode) and globe types of luminaire were simulated by computer and made a comparative analysis. LEDs were arranged by square of 7ea X 7ea. LED space has been divided into 8.2mm, 10mm and 15mm that mean distances between luminous centers of LEDs, and luminaire globes were classified into 30mm and 50mm 묘묘 from luminous center of LEDs. Also the simulations were made with / without globe, globe types were specified by convex and embossing types of which sizes are 8.2mm and 5.0mm, So total 27 classes of simulation were performed. This paper is to help luminire development using LED light source called digital lighting of 21th century, by studying luminire effciency and luminous intensity of different types of globes.
간호대학생의 전공만족도, 진로결정 자기효능감과 진로성숙도에 관한 상관성 연구
김유미,강수찬,권기남,서유진,성승훈,손정림,손현아,신유라,김은희,Kim, You-Mi,Kang, Su-Chan,Kwon, Ki-Nam,Seo, Yoo-Jin,Sung, Seong-Hun,Son, Jeong-Lim,Son, Hyeon-Ah,Shin, Yu-Ra,Kim, Eun-Hee 한국임상보건과학회 2018 한국임상보건과학회지 Vol.6 No.1
Purpose: This study intends to understand the correlation between career satisfaction and career decision self - efficacy and career maturity of nursing students, and to examine whether career satisfaction and career decision-making self-efficacy affect career maturity. Methods: The data analyzed using IBM SPSS Statistics 20 were collected from April 1, 2016 to April 15, 2014 in 184 students at the four-year college of Nursing in J city. Results: The results of the analysis of the correlation between major satisfaction, career decision self-efficacy and career maturity of nursing college students indicate that there was a positive correlation with career maturity (r=.428, p<.001), career decision self-efficacy (R=.442, p<.001) and majors' satisfaction (r=.605, p<.001) either. likewise, career maturity and career maturity were positively correlated with career maturity and career satisfaction. Conclusions: Therefore, it is possible to enhance and improve adaptation to major through conversations in conjunction with counseling and career guidance from the entrance, and maintaining intimate and solid relationship between the students and professors, also, the students and senior of whom, leading to intensify positive implication to future career.