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최두열(Du-Yeal Choi),이종수(Joung-Soo Lee),최현규(Hyun-Kue Choi),최순호(Soon-Ho Choi) 한국마린엔지니어링학회 2005 한국마린엔지니어링학회 학술대회 논문집 Vol.2005 No.-
Desuperheater is a passive device to control the temperature of steam in various plants. However, in spite of its simple structure, the accurate prediction of a desuperheater is very difficult because there are many designed factors for the design of a desuperheater. In this study, the theory of heat transfer phenomena in a desuperheater was developed and the various design factors are evaluated. As a results, we confirmed that the droplet size of 30 - 200㎛ is best effective for the performance of a desuperheater.
강지호 ( Ji-ho Kang ),문성호 ( Seong-ho Mun ),이종수 ( Jong-soo Lee ),김정민 ( Joung-min Kim ) 한국정보처리학회 2020 한국정보처리학회 학술대회논문집 Vol.27 No.2
층간 소음으로 인한 갈등, 직장에서 발생하는 소음으로 인한 청력 감소 등 소음으로 인한 많은 문제들이 최근 들어 많이 대두되고 있다. 소음을 없애기 위해서는 물리적인 방법도 있지만 ANC 기술을 이용하여 소음을 없애는 방법도 있다. ANC 란 기존 소음과 반대 위상인 파장을 출력해 상쇄간섭을 일으켜 소음을 줄여주는 기술이다. AI_ANC 기술은 기존에 ANC 기술의 한계점(Feedback, Time Gap)을 극복하기 위해 Feed forward 방식과 AI 를 접목시켜 능동적으로 소음을 감소시킨다. 이기술은 층간 소음, 공장 소음 더 나아가 다양한 이동수단까지 범용적으로 활용성이 뛰어나다.
은영,강현숙,이은옥,이인숙,이종수 서울대학교 간호대학 간호과학연구소 1997 간호학 논문집 Vol.11 No.1
This sty was undertaken to explore the utilization patterns of medical treatment and herb medicine in patients with arthrits. The data were collected from 995 patients who were registered either in a center of rheumatology or resided in community with arthritis. The data were analyzed by percentile, t-test and chi-square test using SAS PC program. The results of this study were as follows; 1. According to characteristics of sample-population, mean age was 57.7 years, duration of arthritis 9.7 years and mean duration of pain 2.4 hours per day at present. 2. First diagnosis was identified at department of orthopedic surgery or local clinic. But 85.2% of patients have transferred to the center of reumatology currently. But ironically over 70% of patients experienced the herb treatment and herb treatment had hern medicine simultaneous with medical treatment. This indicated that they were shopping around of treatment during the first one year. 3. Mean cost of medical treatment was 67,400 won, while they payed to herb medicine as much as two or three times. The utilization rate of herb medicine was 36.5% of patients per one year. Costs of herb-treatment were 182,000 Won and herb medicine was 36.6% of patients per one year. Costs of herb -treatment were 182,000 Won and herb medicine 149,100 Won. 4. Eighty point six percent of patients were experienced herb medicine during life-time. One hundred and seventy four kinds herb medicine were found to be used by patients, most of which were nutrients, muscle relaxants, andtiphlogistics and analgesics. Thirty two point six percent of users recognized that herb medicine were effective but 51.7% did not. In conclusion, arthritis patients have been experienced various kinds of drug and remedies for treatment. And they wasted their limited medical and economical resources on these unresonable remedies. Therefore, they should be guided for wise decision about treatment. Futher studies in nursing will be required to explore the value system of patients about herb medicine, the determinant factors of shopping-around patterns of treatment, and the coping mechanism for chronic pain or aggravating symptom.