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박원형(Won Hyung Park),김송옥(Song Ok Kim),이내현(Nae Hyun Lee),박영민(Young Min Park),정재우(Jae Woo Chung),장서일(Seo Il Chang),류훈재(Hunjae Ryu) 한국소음진동공학회 2024 한국소음진동공학회 논문집 Vol.34 No.2
The purpose of this study was to calculate a correction value for estimating the noise levels in the classrooms of a newly planned school for use in environmental-impact and educational-environment assessments. The study involved measuring and analyzing the outdoor and indoor noise levels in the classrooms of 32 elementary and middle schools located in Yongin-si and Seongnam-si, Gyeonggi-do. In each of the 55 cases, the noise level was measured at a receiver point located 1 m in front of the school building facade. At the same time, the indoor noise levels were measured at 2 receiver points located 1 m in front of a window and 1 m in front of a hallway in the classroom, with all the windows open. These measurements were averaged to calculate the noise level in the classroom. Then, a correction value was calculated based on the difference between the outdoor noise level and noise level in the classroom. Therefore, by considering this correction value for the estimated outdoor noise level during the planning stage, the noise level in the classroom could be determined. The final calculated correction values were −6.4 dB(A) for the parallel type, −6.9 dB(A) for the vertical type, and −6.5 dB(A) for the mixed type. The use of these correction values will reduce the noise impact and resource wastage that could result from over- or underestimating, creating a calm and reasonable educational environment.
장요근 침치료와 마사지로 호전된 하지불안증후군 환자 치험례
박원형 ( Won Hyung Park ),차윤엽 ( Yun Yeop Cha ) 한방재활의학과학회 2013 한방재활의학과학회지 Vol.23 No.2
Restless legs syndrome(RLS) is a neurological disorder characterized by an irresistible urge to move legs to stop uncomfortable or odd sensations. We report a new approach to improve RLS using acupuncture and massage on iliopsoas Muscle.The patients who have RLS were treated by acupuncture and massage on iliopsoas Muscle.We measured 3~6 times IRLS(Korean Versoin of International Restless Legs Scale), VAS(visual analogue scale), and angle(between the legs and the table) during the treatment period. After treatment, RLS symptoms decreased, In case 1, IRLS changed 34 to 10, VAS changed 8 to 2, angle changed 20 to 5. In case 2, IRLS changed 22 to 12, VAS changed 10 to 5, angle changed 15 to 10. In case 3, IRLS changed 30 to 9, VAS changed 8 to 1, angle changed 25 to 5.Acupuncture and massage on iliopsoas muscle for RLS was effective. To effective acupuncture treatment for RLS, more research is needed.
박원형(Park, Won Hyung),김성만(Kim, Sung Man) 한국무역상무학회 2010 貿易商務硏究 Vol.47 No.-
The Original Equipment Manufacturer(OEM) Export is one of the most frequent trading system in international transactions, especially for Korean export companies. Even with vast majority of benefits of OEM Export, it still has two sides: bright and dark. Frequently, uneven position between parties drives a party to endure transactional practices harsh and unconscionable. A Recent case in one Korean court shows another aspect of OEM transactions. For the provisional measure against unilateral termination of the contract, it contain essential legal issues that can arise in international OEM transactions, like international jurisdiction, interpretation of contracts, termination of contracts, etc. Deep analysis of several issues in the case, apart from the court's decision, is expected to give insight into the legal status of the parties for strategic operations of OEM practices.
박원형(Won-hyung Park) 한국국제상학회 2011 國際商學 Vol.26 No.4
Even with certain concerns about issuing a letter of indemnity especially for the part of third party consignees, endorsees and their financial institutions, a letters of indemnity itself is one of the time-tested practices in the maritime transportation. Reviewed in this article is the illegality in letter of indemnity practices with the comparative analysis of leading cases from both Korean and British courts. Even though it depends on the context of an individual case whether an indemnity agreement between a carrier and shipper makes the carrier liable to the consignee for the damage to goods, it should be noted that the letter of indemnity practice itself can be acceptable especially for practitioners in maritime transportation. This is the case when a clean bill of lading is designed to conduct some practical roles in international trade. The letter of guarantee is and should be treated as a contract separate from the bill of lading contract, resulting in the application of different rules, particularly in respect of time for suit.
$H_2O_2$로 유발된 Neuro2A 신경세포고사에 대한 줄풀의 억제 효과
박원형,차윤엽,Park, Won-Hyung,Cha, Yun-Yeop 대한동의생리학회 2005 동의생리병리학회지 Vol.19 No.3
The purpose of this study was to examine the inhibition effect of Zizania latifolia that has been used heart disease, Diabetes Mellitus and Skin disease for a long time on apoptosis induced by $H_2O_2$ in Neuro2A cell. Neuro2A cells were cultivated in RPMI(GibcoBRL) with $5\%$, FBS and treated with $H_2O_2$, and Zizania latifolia. We measured the cell viability and analyzed DNA fragmentation. Activity of PARP, Cytochrome C, caspase-9, caspase-3, p53, p21, Bax and Bcl-2 in the cell was examined by using western blot. The cell viability in Zizania latifolia treatment (60ug/ml<) decreased significantly compared with that of none treatment. (p<0.001) Zizania latifolia increased cell viability about twice as much as that being injury by $H_2O_2$. (Zizania Latifolia 20ug/ml, $H_2O_2$ 200uM, P<0.001) DNA fragmentation developed by $H_2O_2$, but was not developed in Zizania latifolia treatment. PARP, Cytochrome C, caspase-9 and caspase-3 activated all by $H_2O_2$ but were not activated in Zizania latifolia treatment.. P53, P2l and Bu activated by $H_2O_2$, and Bcl-2 got into inactivation. But the opposite results appeared in Zizania latifolia treatment. In conclusion, these results suggest that Zizania latifolia inhibit the development of DNA fragmentation and apoptosis by $H_2O_2$ and the antioxidant action of Zizania latifolia is effective. More researches about effect of Zizania latifolia are considered to need.
비만인과 정상인의 근육둘레비율 및 수분분포와 BMI의 상관성 연구
박원형 ( Won Hyung Park ),김동건 ( Dong Gun Kim ),차윤엽 ( Yun Yeop Cha ),김진연 ( Jin Yeon Kim ),박병철 ( Byung Cheol Park ),윤용관 ( Yong Kwan Yoon ),편기욱 ( Ki Wook Pyun ),황만영 ( Man Young Hwang ) 한방재활의학과학회 2005 한방재활의학과학회지 Vol.15 No.2
Objectives : This study aims to confirm the importance of behavior habit and exercise, especially leg exercise in obese. Methods : Out of 2247 people, we divided 1125 people in normal group(BMI<25) and 1122 people in obese group(BMI.25). We measured each arm, leg, abdomen muscle circumference and right and left water difference using BIA. We Investigated whether ratio of leg muscle circumference to arm and abdomen has differences by statistics between each groups. And analyzed correlation with BMI. We also investigated right and left water distribution difference of two group`s limbs and the correlation with BMI. Statistical analysis was performed by using SPSS program. Results : 1. In obese group, ratio of leg muscle circumference to arm and abdomen is significantly lower than normal group(P<0.001).2. Ratio of leg muscle circumference to arm and abdomen were negatively correlated with BMI(r=-0.461, r=-0.462, P<0.001). And partial correlation coefficient controlled for age and sex is -0.528, -0.632(P<0.001). 3. In the case of women, there was right and left water distribution difference as statistical in leg. In the case of Obese, the difference is serious. Conclusions : These results suggest that exercise and activity of lower limbs is more needed in the field of obesity treatment and prevention.
비만(肥滿) 변증 연구에 대한 고찰(국내 연구 중심으로)
박원형 ( Won Hyung Park ),차윤엽 ( Yun Yeop Cha ),송윤경 ( Yun Kyung Song ),박태용 ( Tae Yong Park ),김호준 ( Ho Jun Kim ),정원석 ( Won Suk Chung ),황의형 ( Eui Hyoung Hwang ),신승우 ( Seung Woo Shin ),장보형 ( Bo Hyoung Jang ) 한방재활의학과학회 2014 한방재활의학과학회지 Vol.24 No.2
Objectives The aim of this study is to analyse research trends about oriental obesity pat-tern identification in Korea. Methods We searched the papers with key words of ‘obesity’ and ‘Pattern identi-fication’, ‘Syndrom differentiation’ in Korean database (Korean traditional knowledge por-tal, KISS, NDSL, DBPIA, KMBASE, Journal of Korean Medicine Rehabilitation, Journal of Korean Medicine for Obesity Research). We classified the papers by year and content. Results We reviewed 28 searched papers. Papers were published between 1992 and 2012. More than half of the total papers were published since 2008. There are 5 studies that focus on development and improvement of oriental obesity pattern identification questionnaire. 9 studies are research about using oriental obesity pattern identification questionnaire. 7 studies are research about Type of oriental obesity pattern identification. 4 studies are literature review of oriental obesity pattern identification. Other studies related to oriental obesity pattern identification are three. Conclusions To improve application and objectification about oriental obesity pattern identification, more clinical and oriental obesity pattern identification questionnaire studies are needed. (J Korean Med Rehab 2014;24(2):83-93)
박원형,오세춘,Park, Won-Hyung,Oh, Se-Choon 척추신경추나의학회 2005 대한추나의학회지 Vol.6 No.1
Objective : The study aims to find out the effects of Chuna treatment on neck pain. Methods: Out of 40 neck pain people, we divided 20 people in group A was treated Acupuncture and China, 20 people in group B was treated Acupuncture. We measured Visual Analog Scale(VAS) and symptom grade before and after treatment in each group's. Statistical analysis was performed by using SPSS program. Results : 1. Symptom grade III was the highest frequency before treatment in Group A and Group B. After treatment, grade 0 was The highest frequency in Group A But grade 0, II were the highest frequency in Group B. 2. Group A was Significantly decreased in VAS compared with Group B. Conclusion: These results suggest that Chuna treatment is useful on the patients of neck pain.