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河永俊,崔勤植 仁荷大學校 스포츠科學硏究所 1996 論文集 Vol.8 No.-
The purpose of this study was that earlier attack was important factor or not in professional sirum tournament in 1995. The subject were included 281 professional sirum players. The measurement of earlier attack's effect was the case of win the game, lose the game, and no effect on the game.(not win nor lose) Time of earlier attack was measured an unit for 1/10sec. by stop watch. Players' weight were final match, semi-final, quarter, semi-quarter and earlier attack included hand technic, leg technic, waist technic and complex technic. These data were analyzed for CHI-SQUARE in SPSSx and conclusions were as follows; 1. Earlier attack was effective.(p<.05) 2. Most effect of earlier attack was appeared by waist technic.(p.05) 3. Effect of earlier attack was not appeared in significant level(95%) by game grade, players' weight and time of earlier attack.
최대원(Dae-Won Choi),최홍규(Hong-Kyoo Choi),이근무(Guen-Moo Lee),심용식(Yong-Sik Shim),최영준(Young-Jun Choi),장민기(Min-Kee Chang),김태훈(Tae-Hoon Kim) 한국조명·전기설비학회 2009 한국조명·전기설비학회 학술대회논문집 Vol.2009 No.5월
Solar photovoltaic power generation system is judging that by the most suitable new refreshing energy in real condition of our country forward continuously interest for solar photovoltaic power generation system and diffusion are enlarged. Output decline problem is item to consider necessarily and should be verified in continuous interest for solar photovoltaic power generation system and diffusion. Present plan that minimize output decline calculating module liver optimum interval that consider recitation of a poem to reduce output decline by nodule liver shade by incidence angle consideration and this that occupy most parts among factor because do output of solar photovoltaic power generation system well.
Poster Session : LDB2 is a novel regulator of EC migration and vascular development
( Seung Sik Rho ),( Dong Hoon Choi ),( Jeong Ki Min ),( Yong Sun Maeng ),( Jeong Yun Bae ),( Tae Su Kim ),( Ji Hae Kim ),( Yeun Sook Choi ),( Young Myeong Kim ),( Cheol Hee Kim ),( Young Guen Kwon ) 한국생화학분자생물학회 (구 한국생화학회) 2006 생화학분자생물학회 춘계학술발표논문집 Vol.2006 No.-
Pulsed Radiofrequency Lesioning of the Axillary and Suprascapular Nerve in Calcific Tendinitis
( Jun Sik Kim ),( Francis Sahngun Nahm ),( Eun Joo Choi ),( Pyung Bok Lee ),( Guen Young Lee ) 대한통증학회 2012 The Korean Journal of Pain Vol.25 No.1
The patient was a 45-year-female who presented with pain at right shoulder and right upper arm. The patient suffered from right shoulder and arm pain for 3 years and had pain management which was performed using medication and conservative management after she had been diagnosed with calcific tendinitis. However, substantial pain relief was not consistently achieved, and recurrence of pain was reported. Therefore, we performed right axillary nerve and suprascapular nerve block through pulsed radiofrequency. Two months after the procedure, the shoulder pain gradually subsided with the size reduction of the calcified nodule and she needed no more pain management. (Korean J Pain 2012; 25: 60-64)
Pulsed Radiofrequency Lesioning of the Axillary and Suprascapular Nerve in Calcific Tendinitis
Kim, Jun-Sik,Nahm, Francis Sahn-Gun,Choi, Eun-Joo,Lee, Pyung-Bok,Lee, Guen-Young The Korean Pain Society 2012 The Korean Journal of Pain Vol.25 No.1
The patient was a 45-year-female who presented with pain at right shoulder and right upper arm. The patient suffered from right shoulder and arm pain for 3 years and had pain management which was performed using medication and conservative management after she had been diagnosed with calcific tendinitis. However, substantial pain relief was not consistently achieved, and recurrence of pain was reported. Therefore, we performed right axillary nerve and suprascapular nerve block through pulsed radiofrequency. Two months after the procedure, the shoulder pain gradually subsided with the size reduction of the calcified nodule and she needed no more pain management.
휴대단말용 RFID 대역 소형 원형편파 마이크로스트립안테나
최익권(Ik-Guen Choi),강민식(Min-Sik Kang) 한국정보기술학회 2009 한국정보기술학회논문지 Vol.7 No.2
In this paper, small size circularly polarized microstrip patch antenna for portable phone RFID reader antenna with a center frequency 920㎒ is proposed. The antenna is of a corner-truncated type with four cross-shaped slots. The cross-shaped slots can reduce the antenna size and it is verified experimentally that the proposed antenna can have an antenna-size reduction of about 40% as compared to the conventional corner-truncated square microstrip antenna without slots. Details of experimental results of a prototype antenna fabricated on a grounded FR4 substrate of thickness 3.2㎜ and relative permittivity 4.4 are presented and discussed.
새로운 미백제인 천화분근, 하고초엽, 위령선근의 효능, 효과 및 안정화에 대한 연구
지홍근 ( Hong Guen Ji ),최정식 ( Jung Sik Choi ),이순근 ( Soon Keun Lee ),조용백 ( Yong Baik Cho ),표성수 ( Sung Soo Pyo ),한창균 ( Chang Kyun Han ),김주현 ( Joo Hyon Kim ),정기원 ( Ki Won Joung ),윤세준 ( Se Jun Yun ),신정주 ( Je 대한화장품학회 2004 대한화장품학회지 Vol.30 No.1
최근 기능성 화장품의 대두로 새로운 형태의 미백제들이 많이 출시되고 있다. 본 연구에서는 천화분근, 하고초엽, 위령선근을 이용하여 새로운 미백제를 개발하였다. 그러나 이러한 미백제는 용해성이 좋지 않고 빛, 열, 산소에 의하여 변색 및 함량의 변화를 가져온다. 먼저 천화분근, 하고초엽, 위령선근을 10배수의 50% 에탄올을 넣어 75∼85도에서 6∼8시간 추출한 후 여과, 농축, 건조하였다. 건조된 추출물을 이용하여 티로시나제 효소 활성 억제효과, 마우스의 색소세포를 이용한 B16 멜라닌 생성 억제 효과, brown guinea pig의 동물 피부의 미백효과 결과 다른 비교 샘플에 비하여 매우 우수한 결과가 나왔다. 또한 천화분근, 하고초엽, 위령선근을 안정화시키기 위해서 propylene glycol (PG)/hydrogenated lecithin/middle chain triglycerides (MCT)/glycerin/water를 고압균질화기를 이용하여 30∼50 nm인 리포좀을 만들었다. 이러한 리포좀은 기존의 처리되지 않은 추출물에 비하여 빛과 열에 3∼5배 안정성을 보였다. 이러한 실험을 위하여 particle size analyzer, freeze fracture transmission electron microscopy (FF-TEM), chromameter, HPLC의 분석장비를 사용하였다. Numerous novel ingredients have been introduced for the higher functionality of whitening cosmetics. Through the preliminary research, we have found Trichosanthes kirilowii root, Prunella vulgaris leaf and Clematis chinensis root have high whitening efficacy. But they are insoluble. Moreover the discoloration of and decrease in content take place when they are exposed to light, heat or oxygen. From Trichosanthes kirilowii root, Prunella vulgaris leaf and Clematis chinensis root, efficacious ingredients were ethanol-extracted by heating to 75∼85°C for 6∼8 h. These extracts have the inhibitory activity of tyrosinase and B16 melanin formation, thus enhancing whitening effect. We made liposomes using propylene glycol (PG)/hydrogenated lecithin/middle chain triglycerides (MCT)/glycerin/water and microfuidizer to stabilize extracts. The stability against heat and light was enhanced by 3∼5 times compared with untreated extracts. Particle size analyzer, freeze fracture transmission electron microscopy (FF-TEM), chromameter and HPLC are used for the analysis.
Inset Fed Micro Strip Patch Antenna Design for Wireless Power Transmission
Sajina Pradhan,Guen-Sik Kim,Dong-You Choi 한국정보기술학회 2012 Proceedings of KIIT Conference Vol.2012 No.5
In communication systems, there are various types of micro strip antenna that can be used for many applications. This paper mainly focuses on the simple design of inset rectangular micro strip patch antenna to operate at frequency of 2.45GHz for rectenna design. The study involves using HFSS simulator to design the antenna dimensions and to determine its performance. This antenna is based on a thickness of 1.6mm Flame Retardant 4 (FR-4) substrate with a dielectric constant of approximately 4.7, inset feed and has a ground plane. After simulation, the antenna performance characteristics such as return loss, VSWR, gain, radiation pattern are obtained.