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RISS 인기검색어
- 검색키워드
- 저자 : 南喆鉉(Chul Hyun Nam) (검색결과 141 건)
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남철현(Chul-Hyun Nam),허도은(Do-Eun Heo),윤승일(Seung-Il Yun),이상일(Sang-Il lee),이석순(Seok-Soon Lee) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
The Purpose of this study is to develope a machine for molding a loess brick. In modern civilized social. many research and development have been progressed a traditional things by proof of excellency for those. There are many machines for molding a loess brick. But it is e Impossible to transfer them other place. iii are over the machines are non-efficiency and too expensive. Therefore. the machine which is combined with mobility and automation is required. This machine is separated into a molding part and a hydraulic part. which make the machine transferability to be convenient. For the product improvement. it is designed that the system molds two bricks during one cycle and have Programmable Logic Controller(PLC) in oder to operate automaticall. This machine compresses loess into the mold using hydraulic power . Above all things it can reduce a electric power in the motor using non-loaded manifold block and relief valve. It is expected that the machine can curtail the construction time.
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폐경 전후 여성의 신체특성 및 산과력과 골 밀도간의 관련성
남철현 ( Chul-hyun Nam ),배성욱 ( Seong-wook Bae ),김복용 ( Bok-yong Kim ) 한국모자보건학회 2002 한국모자보건학회지 Vol.6 No.2
Objectives : This study was conducted to evaluate the prevalence rate of osteoporosis according to age and the effect of physical characteristics and obstetrical history on bone mineral density in pre- and postmenopausal women in Korea. Methods : The subjects were 961 premenopausal and 1.167 postmenopausal women who had been examined in health promotion center of Yeungnam University Hospital in Daegu city from January, 1999 to January, 2001. The test for bone mineral density, and body composition were conducted. Results : The results of this study were as follows; 1. The prevalence rates of reduced bone mineral density and osteoporosis in premenopausal women were 23.8% and 1.6%, respectively. However, these values were increased to 46.1% and 28.1% in postmenopausal women. 2. The age was most important predictive factor for bone mineral density in pre- and postmenopausal women. The bone mineral density was peaked at the thirties and declined sharply around fifty years old and declined slightly after the seventies, which revealed a typical cubic equation. The loss of bone mineral density was started at forty years old. 3. The body weight and height were important predictive factors for bone mineral density. The effects of age, body weight, and height on bone mineral density were 39%. The body weight was correlated statistically significantly with bone mineral density in pre- and postmenopausal women. The higher body mass index (BMI), the greater value of bone mineral density was revealed in pre- and postmenopausal women. 4. In multiple regression analysis, age, body weight, height showed statistically significant inverse correlation with bone mineral density. Conclusions : These results suggested that to prevent osteoporosis, the systemized program including physical condition for promoting anti-osteoporotic factor have to be developed and apply from the thirties whom have maximal bone mineral density.
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보건요원(保健要員)의 보건정보(保健情報) 접촉(接觸) 및 활용(活用) 일부(一部) 대중매체(大衆媒體)를 중심(中心)으로
남철현 ( Chul Hyun Nam ),조애저 ( Ae Jeo Cho ) 한국보건사회연구원 1983 保健社會硏究 Vol.3 No.1
This study was carried out as an effort to contribute to health education program for com munity health workers who are engaged in health centers. In order to meet the need of the study, the study subjects were total 2,091 health workers, including community health practitioners (CHP), who are currently worked in Gun health centers, Eup and Myun health sub-centers and primary health units in 99 Guns. The survey was conducted from October 18 to October 31, 1982 by mail survey and interview. The summary of Major findings are as follows. 1. As for reading of printed media, 72.5 percent of the total respondents reads daily newspapers, 48.6 percent of them reads monthly magazines and 20.8 percent of them reads weekly magazines. Generally, respondents who live in rural area read the printed media more frequently than in urban. Respondents who live in urban area read women`s magazine most frequently, while those who live in rural area read magazine related to health most frequently. 2. About eighty seven percent (87.3%) of respondents were exposed to health information through newspapers and magazines. In newspaper the article of population and family planning was more frequently exposed than the other subjects, in magazine, the subject of sex education was more frequently exposed. Additionally respondents who had higher educational level had more contacts to health information through printed media than other respondents. 3. Among health workers 98.8 percent answered that they were deeply interested in health information by reading, recording and scraps. And ninety three percent (93.0%) of them actively utilized the contents of health information and knowledge in carrying out their field work. 4. As for contact of electric media, health workers preferred music program in radio and drama program in television. 5. Eighty seven percent (87.0%) of the total respondents have been exposed to health infor mation through radio and television. Those who had higher educational level had less contacts to it. 6. The level of respondent`s knowledge acquired by printed media was the same as the level acquired by electric media. 7. Respondents contacted contents of population and family planning most frequently through radio as well as television. On the other hand, they were less frequently exposed to food sanitation and nutrition in radio and personal hygiene in television. 8. Among contents of health information through electric and printed media, respondents remembered contents related to population and family planning the most. The next was the contents related to communicable diseases. 9. Health workers who are mostly interested in health information are as follows: Age group: 25-29 Education: University graduate Job : Community health practitioner 10. About ninety percent (90.0%) of respondents had ever utilized health information ac quired through electric media, which means the co-relation between degree of interests and utilization of health information.
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浸漬型 生物勝反廳權에 依한 負倚變動에서의 基賢徐去에 關한 硏究
南喆鉉(Chul Hyun Nam),朴鍾雄(Jong Woong Park) 한국환경보건학회 1987 한국환경보건학회지 Vol.13 No.2
The objective of this study is to review the basic theorìes related substrate removal in wastewater f10w variations using submerged biofi1m reactor. An aerated biofilm reactor is that in which inf1uent organic substrates are aerobically oxidized by the microorganisms of biofilm grown on the surface of submerged media. No sludge is returned, and oxygen is supplied by diffusers. Three types of aerated biofilm reactor are one stage-central aeration, one stageupf10w aeration and two stage-sìde aeration. The orders of substrate removal capacity in wastewater f10w variations showed two stage-side aeration, one stage-upf1ow aeration and one stage-central aeration. The phenonmenon of nonclosing volid in upf10w aeration type was superior to these in central-side aeration type. Attached biofilm masses in case of upf1ow, side and central aeration reactor were 1.0mg/cm2 , 4.1 mgfcm2 and 0.93 mgfcm2 , respectively. Yield coefficient for biofilm was 0.31 to 0.48. Especially, removal efficiency can be increased remarkably according to the number of biofilm reactor and the packed condition of media.
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남철현,우광석,Nam, Chul-Hyun,Woo, Kwang-Seog 대한물리치료과학회 2002 대한물리치료과학회지 Vol.9 No.3
The purpose of this study was to investigate discomforts and sexual life and to identify the relation between the discomforts and sexual life with low back pain. The data were collected from March 2 through July 31, 2001. Four hundred forty-two questionnaires were returned (response rate=88.0%). Analysis of the data was done with SPSS PC+ and use descriptive statistics, $x^2$-test, t-test, ANOVA. regression. The statistics shows that over than 80% of the adults experienced lumbago at least one time in their life, and Back pain is known as one of the most common complaints made by the patients of all ages in the general hospital or local medical clinics throughout. However, in certain case it leads to a chronic condition which can cause a great deal of problems in management and in financial burden to individuals and society. The result of this study was summarized as follows: 1) It appeared that regarding the distribution of gender, male was the higher(63.6%) then that of female, the portion of forties was 28.5%. Sitting for long time was 23.1% in men and 21.7% in women. Unknown reason including sexual behaviour was 12.9% in men and 15.5% in women. Patients treated medicine and physical therapy were 36.4%. In level of educational background, the rate of high school was 31.0%, technical college was 28.5%. The highest proportion by occupation was 18.3% of office workers, occupation posture was 41.9% of sitting. 2) Men(26.0%) and most of women(34.8%) were not satisfied in the explanation satisfaction rate of sex life concerned disease. 23.8% in men and 23.6% in women considered flexibility of waist good. Man(33.3%) and most of woman(35.0%) considered that Health education is necessary. 32.7% in men and 27.3% in women did't mind educator is whoever. Preventing of lower back pain(LBP) and proper Health education of sex life are demanded in daily life. 3) 58.0% of man and 64.0% of woman mostly had a posture which is man over woman. 28.5% in men and 27.8% in women considered that proper information finding of LBP and sex life was very few and few. 37.7% in men and 42.7% in women have acquired information about sex life flung their friends. 4) The number of sex life was decreased from 2.96 0.98 to 2.61 1.63 and also the time of sex life was decreased from 3.65 1.89 to 226 1.64. The satisfaction rate of sex life changed from 3.60 0.86 to 2.77 1.10. In the number of sex life, The non correct group was 2.62 1.91 and the correct group was higher in 2.68 1.65. In the time of sex life, The non correct group was 2.02 1.47 and the correct group was higher in 229 1.65. The satisfaction rate of sex life was 2.76 0.86 in non correct group and 2.88 1.10 in correct group. So there was a difference. 5) In the satisfaction rate of sex life, Men who have a lower back pain were higher than women and no attack group was higher than attack group. As they had many sex life, the satisfaction rate was higher significantly in statistics. As the time of sex life was short, the satisfaction rate was lower significantly in statistics. As the age was low, the demand rate of Health education was high and as means of patient who had a lower back pain was high, the demand rate of Health education was high. As the patient who had a lower back pain had a long married life, the demand rate of Health education was high and as education level was high, the demand rate of Health education was high. It is necessary to provide patients with conservative treatment, educational teaching, and training to prevent further injuries in the future. In general, it is important to educate the public how to prevent back injuries and how to treat themselves in an onset period to prevent further injuries sliding into a chronic state. Sexuality is an integral part of normal and healthy relationships, but patients are unable to enjoy sex because they are riot able to get into a comfortable position due to back pain. Many conditions of the spine can make certain positions unco
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