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최원선,이창호,박보선,김태형 한국공작기계학회 2002 한국공작기계학회 추계학술대회논문집 Vol.2002 No.-
In order to manufacture a precision mold/die by machining, users need high speed & precision mold/die machining center. So, for development of this machine, we intend to use linear motor that is instead of ball-screw, servo-motor and coupling, high-speed spindle of pressurized air journal bearing and composite materials. In this paper we research column moving type and table moving type. The former is mainly piling 3 axes on one moving body, the latter is consist of two independent carriages. Both types are available to high speed & precision machine, but we finally draw a conclusion column moving type due to an advantage of high-speed control of linear motor.
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한 전자제품 연구소 종사자들의 생활습관 행태와 건강상태의 관련성
명준표,김형렬,최원선,조성은,이보람,구정완,이강숙,박정일 大韓産業醫學會 2009 대한직업환경의학회지 Vol.21 No.1
목적 학 전자제품 개발연구소의 근로자들을 대상으로 실시하였던 건강검진 자료를 이용하여 생활습관 상태와 건강상태를 파악하고 이들 사이의 관련성을 조사하고자 하였다 방법 건강검진을 받았던 수검자 3041명을 최종 대상자로 선정하였고 국민건강보험공단에서 제시한 건강검진 문진표 중 식이 음주 몹연 운동 항목을 이용하여 생활습관에 대한 평가를 실시하였다 건강검진결과를 이용하여 비만 혈압 당뇨 간장질환 이상지혈증에 대한 정상/비정상을 평가하였다 건강검진결과와 생활습관에 대한 평가는 다변량 로지스틱 희귀분석을 통하여 실시하였다 결과 조사 대상자의 생활습관 중 과도한 음주의 유병률은 1610명(52.9%) 운동 부족 2662명(86,2%) 흡연 952명(31.3%)이였다 건강검진 결과 비만인 군은 824명(27.1%) 고혈압 군은 198명(6.5%) FBS가 비정상 군은 28명 (0.9%) 간기능 검사 비정상 군은 462명(15.2%) 이상지혈증이 있는 군은 563명(18.5%)의 유병률을 보였다 다별량 로지스틱 희귀분석 결과 육류 위주의 식이는 비만 고혈압 간장질환(ALT r-GTP) 이상지혈증(LDL)과 관련이 유의하게 높았고 과도한 음주는 비만 고혈압 r-GTP 비정상의 위험도와 통계적으로 유의한 관련성이 있었다 운동 부족인 군은 HDL 비정상의 위험도가 높았으며 흡연군은 비만 당뇨 간장질환(ALT r-GTP) 이상지혈증(TG HDL)의 위험도가 통계적으로 유의하게 높았다 결론 전자제품 개발연구소 근로자들의 바르지 않은 생활습관(식이 음주 운동 흡연)은 비만 고혈압 당뇨 간장질환 이상지혈증과 관련이 있다 따라서 연구직 근로자들을 대상으로 한 사업장 건강증진 사업이 필요하다 Background An unhealthy lifestyle is the most important cause of lifestyle-induced illness (diabetes hypertension liver enzyme abnormality dyslipidemia etc) This study was carried out to evaluate that relation between employees lifestyle and their health status in a Korean electronic research and development company Methods We conducted a descriptive cross-sectional survey 3,041 consecutive workers in a Korean R&D company were enrolled in this study A checkup list for the health examination (from the National Health Insurance Coperation) which contained the information on the lifestyle, and the results of the health examination which contained information on the body mass index (BMI) systolic blood pressure (SBP) and diastolic blood pressure (DBP) and liver function tests (LFT AST ALT r-GTP) and Cholesterol profiles (total cholesterol TG, HDL, LDL) were done for all the subjects We evaluated the health profile as normal or abnormal Statistical analysis of the health profiles and the lifestyle of the employees was performing by using multiple logistic regression analysis Results The prevalence of 'excessive alcohol drinking was 52.9% (n=1,610) that for 'lack of exercise' was 86.2% (n=2,662), that for meat eating 12.2% (n=370) and that for current smoker was 31.3% (n=952) According to results of health examination the prevalence of obesity was 27.1%(n=824) hypertension was 7.1% (n=215) diabetes was 1.0% (n=30) abnormal LFT was 15.4% (n=469) and dyslipidemia was 18.7% (n=569) On multiple logistic regression analysis of the health profile and lifestyle 'meat eating' was related to obesity hypertension abnormal LFT (ALT, r-GTP) dyslipidemia (LDL) Excessive alcohol drinking was related to obesity hypertension abnormal LFT (r-GTP) Lack of exercise' was related to dyslipidemia (HDL) Current smoker was related to obesity, diabetes abnormal LFT (ALT r-GTP) and dyslipidemia (TG HDL) with statistically significance Conclusions For workers in the R&D company an unhealthy lifestyle (such as diet alcohol drinking lack of exercise and smoking) were related to obesity hypertension diabetes abnormal LFT and dyslipidemia Therefore health promotion is necessary for the young employees of an Korean R&D company
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