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한국인에서 일광 노출의 유해성에 대한 인지도와 일광 차단제의 이용 행태에 대한 연구
김상태,김기호,오선진,이승철,강세훈,윤재일,김진준,박석범,김홍용 대한피부과학회 1999 大韓皮膚科學會誌 Vol.37 No.6
Background: Although deleterious effects of sunlight have been increased recently, the surveillance of the attitudes toward sun-exposure and the behavioral aspect of using sunscreens in Koreans has hot been carried out. Objective: Our purpose was to evaluate the attitude toward the harmfulness of sun-exposure and behaviors of using sunscreens in Korea. Method: Five hundred and fifty-two subjects were surveyed to assess the attitude toward sun-exposure, as well as the subjects knowledge about, and the use of sunscreens. Underlying data including demographic data, skin colors, skin types, occupation, and sun-exposure, were obtained. Results: Fifty-four percent of subjects believed that sun-exposure is bad for their skins, but, on the contrary, 12.5% believed it to be beneficial. Fifty-two percent of subjects used sunscreens. Almost all subjects(93.8%) knew why to use sunscreens but 62.7% of subjects did not know the meaning of sun protective factors(SPF). Women, indoor workers, subjects less than 40 years old, with less sun-exposed, fair colored skin, or with skin type I, II, III tended to know the deleterious effects of sunlight and the meaning of SPF and used more sunscreen. Conclusion: High risk population-men, outdoor workers, subjects oider than 40 years old, with more sun-exposed, dark colored skin, or skin type VI, V could be targeted with campaigns that promote attitudinal and behavioral changes.
셀레나이트로 유도되는 백내장에서 선삼 성분에 따른 백내장 억제효과의 비교 분석
이상목,정문선,정진호,김미금,위원량,박정일,이진학,Sang Mok Lee,MD,Jung Moon Sun,MD,Jin Ho Jeong,MD,Mee Kum Kim,MD,Won Ryang Wee,MD,Jeong Hill Park,PhD,Jin Hak Lee,MD 대한안과학회 2010 대한안과학회지 Vol.51 No.5
Purpose: To compare the protective effects of saponin and non-saponin Sun-ginseng extract fractions in a selenite-induced rat cataract model. Methods: A total of 101 Sprague-Dawley rat pups were divided into four groups by treatment: Sun-ginseng, saponin fraction, non-saponin fraction, and control. For induction of cataracts, sodium selenite 15 nmol/g was injected subcutaneously in 13 day-old rat pups. Sun-ginseng extract 100 μg/g (Group I, Ginseng Science, Seoul, Korea), saponin fraction 100 μg/g (Group II), non-saponin fraction 100 μg/g (Group III), and phosphate buffered saline (Control group) were injected intraperitoneally every two days for a total of seven injections. The rats were sacrified and their lenses were dissected and photographed at day 7 and 14, and the cataracts were graded according to the ratio of the cataract area to the total lens area. The blind method was used for the evaluation of the cataract area. Results: At day 14, cataract formation rates (CFR) were 33.3% in group I, 76.4% in group II, 41.2% in group III, and 77.7% in the control group. The mean cataract area (MCA) was 13.4±20.8% in group I, 14.4±11.7% in group II, 5.7±7.7% in group III, and 15.8±12.1% in the control group. Group III showed statistically significant results compared with those of control group (CFR p=0.001, MCA p=0.001). We observed significantly lower incidence and smaller mean cataract area in Group I and Group III at day 7 compared with the control group (Group I, CFR p=0.018; Group III, CFR p=0.032, MCA p=0.005). Conclusions: The protective effects of Sun-ginseng extract are caused by the components in the non-saponin fraction, not by those in the saponin fraction, in a selenite-induced cataract rat model. J Korean Ophthalmol Soc 2010;51(5):733-739
실용음악 전공 학생들의 발성치료 전후 성대 및 음성 특성 비교
황연신,심미란,김철준,최용석,김상연,최찬호,선동일,Hwang, Yeon Shin,Shim, Mi Ran,Kim, Chul Jun,Choi, Yong Suk,Kim, Sang Yeon,Choi, Chan Ho,Sun, Dong Il 대한후두음성언어의학회 2016 대한후두음성언어의학회지 Vol.27 No.2
Background and Objectives : Many students major in applied music singing have various difficulties in phonation when they sing or perform. But the studies about this cause are lack. The purpose of this study is whether singing voice therapy based on vocal music is effective or not to applied music singing students that have difficulties in phonation. Materials and Methods : Singing voice therapy program had been done to 8 students major in applied music singing during 7 weeks. We did laryngeal stroboscope, perceptual, acoustic and aerodynamic examination before and after singing voice therapy to this students. And we studied post examination results have differences or improvements compared to pre examination results. Results : Four male students don't have effective improvement after singing voice therapy but they shows slight improvement in aerodynamic examination values compared to pre examination values. Four female students shows improvement in aerodynamic examination values and pitch range increasing. Above all, one student's vocal nodules disappeared after singing voice therapy. Conclusion : Singing voice therapy based on music singing is very effective to the students major in applied music singing. Above all, their curriculum in applied music singing should include phonation training based on music singing before training perform and technic practices.
손승건,김성룡 군산대학교 체육과학연구소 1999 體育科學硏究所 論文集 Vol.1 No.-
As human life gets longer, the average span of life in korea would come to eighty from the mid-21th centry on. Now, well make into investigation of the quality of their lives. 1. The problem of exercise development in the age. 2. The evaluation of health and its problem. 3. The consititution of the concept in quality of life. 4. The bacground of improvement in quality of life. 5. The method of understanding quality of life and historical background in medical care. 6. The role of body activity and the development of its sutible program.
학부번역전공자의 인간번역과 기계번역 포스트에디팅 품질 비교
이선우,이상빈 이화여자대학교 통역번역연구소 2021 T&I review Vol.11 No.2
The quality of machine translation outputs, including those of Google Translate and Naver Papago, has increased rapidly over the last few years. This development has raised the question of whether the current undergraduate translator training program is still relevant and feasible. Against this backdrop, a small-scale experiment was conducted in this study to assess the quality of human translation and post-edited machine translation undertaken by university students. The participants were two groups of 30 Korean undergraduates who attended a basic translation course in the spring semester of 2021. They were asked to translate two Korean texts, Text A (171 characters) and Text B (160 characters), both of which were extracted from relatively easy newspaper articles, into their B language (English) under two different conditions. One of the participant groups translated Text A for 10 minutes using machine translation outputs and translated Text B for 20 minutes without the help of any translation machine. The other group performed the same tasks, save that the source texts were assigned in reverse order. A total of 117 translations were collected and rated independently on a five-point scale by the two teacher-researchers. The results showed that the post-edited translations were much better than the human translations and that the human translations contained more errors in vocabulary and grammar.
성순경 경원전문대학 2000 論文集 Vol.22 No.-
Free jet characteristics of axial fan and the parking lot flow field are analyzed by computer simulation. The boundary condition at the outlet of the fan is applied by the measured velocity. The arrival distance and the diffused width for the 0.5 m/s of the fan are 16.9 m/s and 2.2 m/s, and for the 0.2 m/s 22.1 m and 3.9 m respectively. The ventilation characteristic of the parking lot when the setting angle is 10 is better than 5 and 15. When the fans are set continuously, the flow velocities are faster than alone due to the entrainment effect.
LBP Polygon Mirror 나노가공 부품의 가공조건에 따른 표면정밀도 향상에 관한 연구
성백섭,차용훈,김일수,김선진 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-
Recent advances in high-tech industry and ultra precision machining technology have led to the development of a wide variety of new materials. The demand for LBP Polygon Mirror finishing parts has increased, which are mainly used for the motor of the printer. so ultra precision machining technology is required. It is important for Polygon Mirror to have the enough strength for the high-speed rotation and high quality Polygon line surface. Polygon Mirror, high-tech nano finishing part, is used for optical instrument such as laser printers, digital copiers, laser fax machines and bar-code readers, etc. Therefore, we have evaluated the machining precision of material surface and tried to determine the optimum machining conditions in order to improve machining precision of S3M. Also we have applied to the production line to reduce the defective proportion. As a result, we have obtained high quality precision of side surface machining in case that the number of revolutions, speed and movement were constant and cutting rate was 0.05㎜. Also we have obtained the same results from the 30 test specimens with constant rough-cutting during the Polygon line machining. The defective proportion decreased from 12 percent to 4~6 percent when the machining conditions selected during the test were applied to the real production line. It is expected that the defective proportion of products can be reduced if we conduct further research on the cleaning and heat treatment process.