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민원규,W. K. Min 대한화학회 1963 대한화학회지 Vol.7 No.4
Six corrosion inhibitors for cooling water use were evaluated by means of a corrosometer in a laboratory bench scale test. A steel probe (Alloy 1020) was exposed and checked for the extent of corrosion in a recirculating water system, changing inhibitors and their concentrations at $40^{\circ}C$. A 95% inhibition was provided at the following concentrations of inhibitors. 50 ppm sodium hexametaphosphate 50 ppm commercial inhibitor A 50 ppm commercial inhibitor B 100 ppm disodium phosphate 200 ppm sodium chromate Sodium silicate was found to be use-less in this test. It was also observed that some inhibitors worked less effectively on the acid-cleaned steel probe.
제트공조 시스템 적용에 따른 학교 대공간 실내 공기질 변화 분석
민원규(Won Gyu Min),이여경(Yeo Kyung Lee),김영일(Young Il Kim) 대한설비공학회 2021 대한설비공학회 학술발표대회논문집 Vol.2021 No.6
As the risk of fine dust in Korea increases, physical education classes are held in large indoor spaces more frequently. Indoor air quality of the large space is important because children are vulnerable to fine dust. In this study, air jet systems with air purifying function applied to large space of school were analyzed with respect to PM2.5 and CO₂ concentrations. The PM2.5 concentration reduction effect was noticeable with the jet air conditioning system operation. However, concentration change of CO₂ was minimal.
기능적 전기 자극을 사용한 호흡보조훈련이 사지마비 환자의 호흡기능에 미치는 효과
장우남 ( Woo-nam Chang ),민원규 ( Won-kyu Min ),이혜경 ( Hye-kyeong Lee ) 대한신경치료학회 2016 신경치료 Vol.20 No.2
Purpose Paralysis of abdominal muscles is the main cause of respiratory dysfunctions in patients with cervical spinal cord lesion. Activation of the abdominal muscles using functional electrical stimulation (FES) improved respiratory function in these patients. However, studies evaluating the effect of assisted respiratory training using FES on abdominal muscles in tetraplegia with cervical spinal cord lesion are sparse. Methods FES was applied to the abdominal muscles. Respiratory function tests were performed before and after therapy, and at 2 weeks follow-up. In addition to chest physical therapy, patients received training to improve respiratory function (experimental group) or training for increasing muscle tone of lower limb (control group). Both groups received 10 hours of additional training on FES; 30 minutes a day, 5 times a week, for 4 weeks. Results After 4-week therapy, both groups displayed significant improvement in their MIC, FVC, FEV1, assisted PCF, and unassisted PCF (p<0.05). At the follow-up test (2 weeks after 4-week therapy), the experimental group was improved cough capacity (APCF and UPCF), compared with in the control group (p<0.05). Conclusion Our results suggest that, in addition to chest physical therapy, FES over the abdominal muscles aimed at improving respiratory function and cough capacity in cervical spinal cord injury with tetraplegia have beneficial effects on maintaining and developing a cough function.
金耕知,閔元奎 慶熙大學校 體育科學大學 1991 體育科學論叢 Vol.- No.4
Human activity make human life fine and make feeling cultivated by view point of education. In this respect Taekwondo the Korean art of empty-handed self-defense influences men's mental and physical development. Nowadays because Taekwondo becomes one of world-wide sports that disregards doctrine and ideology and it is famous as a disinterested cultural mission, we the suzerain state of Taekwondo take pride in it. By the view point of sociology of Physical Education, the role of Taekwondo is its social character and function with respect to physical education. As a traditional intangible cultral properties, Taekwondo is a excellent feats of arms that show Culture, Group, Instruction, Institution, Socialsystem, Social change. The role of Taekwondo has ethical social character Taekwondo hall is called moral social environment, and as it support social order, and take part in social maintenance as its moral and ethical value is high. 2nd: Taekwondo give a man of inhuanity who is denunciatory, escapist, anti-social, the opportunities of mutual cooperation an moral influence and so Taekwondo with help man to develop his personality. 3rd: Through gradual and planed trainning young boys and girls, who are in the most important times developmentally and physically. 4th: Taekwondo is a man-to-man finght skill it is possible that accidents happen. In the course of Taekwondo trainning, not simply can these accidents be forecasted, analyzed and prepared the safely of one and the other can be considered by the view point of self-defence. 5th: By the help of instructor of master, mutual respect of learner, self-control and the role of etiquette in tranning, a man will made a all-round character, the community will be sound and active. In a word, Taekwondo play an important role in society.