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Compound 48/80 유도 즉시형 과민반응에 대한 뱀차즈기의 억제효과
최용길,김상현,임종필,김대근,엄동옥,이경보,김상용,신태용,Choi, Yong-Gil,Kim, Sang-Hyun,Lim, Jong-Pil,Kim, Dae-Keun,Eom, Dong-Ok,Lee, Kyeong-Bo,Kim, Sang-Yong,Shin, Tae-Yong 한국생약학회 2001 생약학회지 Vol.32 No.4
We studied the inhibitory effect of the aqueous extract of Salvia plebeia (SPAE) on immediate hypersensitivity reactions. SPAE inhibited immediate hypersensitivity reaction induced by compound 48/80 in mice. When SPAE was employed in an immediate hypersensitivity reaction test, the plasma histamine levels were reduced in a dose-dependent manner. SPAE also inhibited the histamine release from rat peritoneal mast cells (RPMC) by compound 48/80. The level of cAMP in RPMC, when SPAE was added, significantly increased compared with that of a normal control. These results indicate that SPAE may be beneficial in the treatment of immediate hypersensitivity reactions.
클램운동 시 허리불안정성 유무가 골반 돌림 및 엉덩관절 벌림근 근활성도에 미치는 영향
최용길,이상열,Choi, Yong-gil,Lee, Sang-yeol 대한물리치료과학회 2021 대한물리치료과학회지 Vol.28 No.1
Background: The purpose of this study was to find out how the lumbar instability during clam exercise causes changes in pelvic rotation and hip joint abductor muscle activity. Design: Case-control study. Methods: Twenty male participated in this study. The amount of pelvic rotation was measured using myomotion during the clam exercise in a normal group and a group of patients with low lumbar instability, and the muscle activity of the muscle gluteus medius and the tensor fasciae latae using an EMG device. Results: The amount of pelvic rotation that occurred during the clam exercise was statistically significantly greater in the lumbar instability group than in the normal group (p<.05), and the ratio of muscle activity of the muscle gluteus medius/the tensor fasciae latae was statistically significantly higher in the normal group than in the lumbar instability group (p<.05). Conclusion: In order to stabilize the lumbo-pelvic and strengthen the strength of the hip joints, it is believed that it is necessary to apply exercise while controlling the lumbo-pelvic movement during clam exercises, and various studies will be needed.
고효율 압전 트랜스포머용 PSN-PMN-PZT 조성 설계
최용길,어순철,윤만순,Choi Yong-Gil,Ur Soon-Chul,Yoon Man-Soon 한국재료학회 2005 한국재료학회지 Vol.15 No.12
In order to enhance energy efficiency in high electric conversion devices such as Power transformers, which need to have high power properties, an alloy design approach in $Pb(Zr,Ti)O_3(PZT)$ base ceramic system was attempted $0.03Pb(Sb_{0.5}Nb_{0.5})O_3-0.03Pb(Mn_{1/3}Nb_{2/3})O_3-(0.94-x)PbTiO_3-xPbZrO_3$[PSN-PMN- PZT] ceramics were synthesized by conventional bulk ceramic processing technique. To improve power properties, the various Zr/Ti ratio was varied ]lear their morphotropic phase boundary (MPB) composition of PSN-PMN-PZT system and their effects on subsequent piezoelectric and dielectric properties for the transformer application at high power were systematically investigated using an impedance analyzer. Microstructure and phase information were characterized using X-ray diffractometer (XRD), a scanning electron microscope (SEM) and others. When the Zr/Ti ratio was 0.415/0.465, the value of $Q_m\;and\;k_p$ were shown to reach to the maximum, indicating that this alloy design can be a feasible composition :or high power transformer.
아파트 온라인 커뮤니티 특성과 충성도 간의 관계에 대한 연구
최용길(Choi, Yong Gil) 한국부동산학회 2012 不動産學報 Vol.49 No.-
1. CONTENTS (1) RESEARCH OBJECTIVES The purpose of this study to identify the characteristics of apartment on-line community, to investigate the differences of factors affecting brand loyalty. (2) RESEARCH METHOD This study was focused on survey analysis. The data for this analysis were collect from the questionnaire. The study followed 250 adults number of people living in a metropolitan district. Especially this study used to the SPSS and AMOS. (3) RESEARCH FINDINGS In the results of this survey, companies considered that apartment on-line community provides opporyunities to improve brand lovalit.y. 2. RESULTS First, characteristics of apartment on-line community were classified as three factors inter activity, information provision, experience provision. Second, attitudinal commitment and behavioral commitment were found to be significant factors affecting brand loyalty. Third, the empirical study provide basic informance for strategic marketing planning about apartment on-line community.
대중국교역을 위한 E-Logistics를 활용한 항만물류 활성화방안
최용길(Yong-gil Choi) 한국인터넷전자상거래학회 2007 인터넷전자상거래연구 Vol.7 No.4
The reality is that the rise of China in the harbor-related distribution market in recent years have shown a great impact on not only our nation but also on the world's overall distribution market. In line with rapidly changing environment and increasing importance of global logistics between Korea and China. Korea is trying to transform itself into global logistics center in Northeast Asia area. To achieve this, Korea has to pursue several tasks, enlargement of the nation's logistics capacity by the continuous construction of infrastructure such as seaport and coastal industrial region zone and so on. Second, governmental institutional reform is highly recommended. It means mitigating government regulations related to logistics. But, more positively, it means creating an environment that global logistics and distribution policy could be performed conveniently and effectively. Furthermore, constructing integrated global logistics center between two countries will contribute to solve the logistics problems that Korea currently faces.