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박은석 ( Eun Suk Park ),강수 ( Soo Kang ),김아진 ( Ah Jin Kim ),백진휘 ( Jin Hue Baek ),정현민 ( Hyun Min Jung ) 대한임상독성학회 2015 대한임상독성학회지 Vol.13 No.1
Benzoylureas are chemical compounds best known for their use as insecticides. Diflubenzuron is one of the more commonly used benzoylurea pesticides. Others include chlorfluazuron, flufenoxuron, hexaflumuron, and triflumuron. They act as insect growth regulators by inhibiting synthesis of chitin in the body of the insect. They have low toxicity in mammals because mammals have no chitin. Chlorfluazuron insecticides, which are mixed with solvent naphatha, are commonly used. Thus we assume that in the presented case mental change outcome of poisoning was connected with toxic effects of solvent naphtha rather than with chlorfluazuron action. Components of solvent naphtha, particularly trimethylbenzenes, exert strong irritant action on the gastric mucosa and are very well absorbed from the gastrointestinal tract. We report on a 67-year-old man with stuporous mentality after intentional ingestion of approximately 200 ml of liquid chlorfluazuron in a suicide attempt. He was discharged after conservative treatments including gastric irrigation, charcoal, mechanical ventilation, hydration, and antibiotics for aspiration pneumonia without complications.
배드민턴 운동 참여기간이 체력,심폐기능,신체구성 및 혈중지질에 미치는 영향
박은석(Eun Suk Park),김영표(Young Pyo Kim) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.31
The purpose of this study was to investigate the effects of exercise period of badminton on physical fitness, cardiorepiratory function, body composition, blood lipids. The subjects for this study were composed of twenty-four middle-aged men. The subjects were classified to three groups; unskilled group(UG, n=8), skilled group(SG, n=8) about exercise level of badminton, a control group(CG, n=8). For the physical fitness(grip strength, back strength, power, muscular endurance, flexibility), the cardiopulmonary function(VO2max, VO2max/kg, VE, AT), body composition(percent body fat, WHR, lean body mass), and blood lipids(TC, LDL-C, TG, HDL-C) were measured of exercise level of badminton. The results of this study are as follow; 1. Back strength, flexibility were not significant differences among groups. Grip strength showed significantly high in SG compared to CG. Muscular endurance showed significantly high in SG compared to CG. And power showed significantly high in SG compared to CG. 2. VO2max showed significant increase in SG compared to CG. VO2max/kg, VE showed significant increase in SG, UG compared to CG. And AT showed increased significantly in SG compared to UG, CG. 3. No significant differences were observed in WHR, lean body mass among groups. However, percent body fat showed significantly lower in SG than CG. 4. No significant differences were observed in TC, LDL-C, TG among groups. However, HDL-C showed significantly higher in SG than CG. In conclusion, the results of this study observed that a level exercise of badminton was very effective in grip strength, muscular endurance, power, VO2max, VO2max/kg, VE, AT, percent body fat and HDL-C in middle-aged men.
박은석(Eun-Suk Park),장나은(Na-Eun Zang),김주호(Ju-Ho Kim) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.7
As technology scales into sun-90㎚ domain, manufacturing variation become an increasingly significant portion of circuit delay. Therefore, delays must be modeled as statistical distribution during both analysis and optimization. This thesis applies incremental, parametric statistical static timing analysis(SSTA) to perform gate sizing with a required yield. The proposed algorithm sized gates which has higher criticality yielded by utilizing probability of critical path and considering path correlation. The result verified an effectiveness of the delay optimization by gate sizing.