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한국 · 대만 유도국가대표선수들의 한팔 업어치기 동작 시근 활성도 비교 분석
김의환(Eui-Hwan Kim),안병근(Byung-Keun Ahn),김성섭(Sung-Sup Kim),조준명(Joon-Myoung Cho),지준안(Chun-An Chi),진종현(Jong-Hyun Jin),김지태(Ji-Tae Kim) 한국생활환경학회 2011 한국생활환경학회지 Vol.18 No.2
The purpose of this study was to compare and analyze the electromyograpic activity between Korean and Taiwanese of Ippon-Seoinage (one-armed shoulder throw) as Tokuinage (favorite and major technique) in Judo. The subject (Tori, attacker), who was 4 Korean and Taiwanese representative judoists from 2007 to 2009 years, respectively, Uke (defender) was a Judo-doll made by Kim, Eui-hwan etc. (2007), whole body of judo-doll was fixed, upper body was flexible 35 degree forward and backward, lower was 15 degree, was used to muscles activities measured by surface-electrode & electromyography. Subject performed 5 successful trials respectively, with parter (Uke) was resistance (R-0%) of judo-doll. Muscle activities were obtained from the electromyography analysis. Muscle activities in all phase, Taiwanese were lower than Korean, right Bicep, Trapezius, Tibialis muscles in Kuzushi phase, right Bicep, right Trapezius, left Rectus abdominus in Tsukuri and Kake phase, different between Taiwanese and Korean were signify (p < .5).
Eui-Jeong Noh,Jun-Young Lee,Seo-Ye Park,Jong-Hwan Park,Jeong-Yong Cho,Young Min Kim,Jong-Seok Kim,이기모,Sunga Choi,Sung Ki Lee 한국식품영양과학회 2022 Journal of medicinal food Vol.25 No.5
Salicornia herbacea L. (Chenopodiaceae), an edible salt marsh plant with anti-inflammatory effects, was examined in macrophages and trophoblasts whether it modulates NLRP3 inflammasome activity. Pretreatment and delayed treatment of S. herbacea extract (SHE) in bone marrow-derived macrophages (BMDMs) reduced the activity of NLRP3 inflammasome induced by lipopolysaccharide (LPS) and adenosine triphosphate stimulation and downregulated interleukin (IL)-1β production. SHE also inhibited pyroptotic cell death, the adaptor molecule apoptosis-associated speck-like protein containing a CARD (ASC), oligomerization, and speck by NLRP3 inflammasome activity in BMDM. Similarly, SHE decreased the mRNA expression of NLRP3, ASC, IL-1β, and IL-6 in the LPS-stimulated human trophoblast cell line, Swan 71 cells. In addition, SHE inhibited the production of IL-6 and IL-1β and decreased the expression of cyclooxygenase-2 and prostaglandin E2 in stimulated Swan 71 cells. Finally, 3,5-dicaffeoylquinic acid (3,5-DCQA), one of the components of S. herbacea, inhibited IL-1β produced by NLRP3 inflammasome activity. In conclusion, SHE downregulated the activity of the NLRP3 inflammasome in macrophages and trophoblasts.
Sung Eui CHO(Sung Eui CHO) 국제융합경영학회 2022 융합경영연구 Vol.10 No.6
Purpose: This research investigates the differences in knowledge exchange activities and performances between startups and large companies in software industry clusters. Research design, data, and methodology: Six independent factors of human resource information, R&D and technology, marketing knowledge, government support information, strategic knowledge, and cooperation information were extracted to test the firm size effect in the relationships with two performance factors such as satisfaction with industry cluster location and satisfaction with financial performances. Data were collected through a survey of entrepreneurs, managers, and employees and tested by statistical analysis methodologies. Results: Three independent factors of human resource information, R&D and technology, and cooperation information were particularly significant in the relationship with both dependent factors. Strategic knowledge significantly affected financial performance. Knowledge exchange activities were more important in startups than in large companies for all eight factors. Conclusion: Policies for software industry clusters need a different approach for startups and large companies.
Improvement of Electrical and Thermal Characteristics of Nano-Micro Epoxy Composite
Cho, Sung-Hoon,Kim, Yu-Min,Kwon, Jung-Hun,Lim, Kee-Joe,Jung, Eui-Hwan,Lee, Hung-Kyu,Shin, Pan-Seok The Korean Institute of Electrical and Electronic 2011 Transactions on Electrical and Electronic Material Vol.12 No.4
Polymer nanocomposite has been attracting more attention as a new insulation material because homogeneous dispersion of nano-sized inorganic fillers can improve various properties significantly. In this paper, various kinds of epoxy-based nanocomposites were made, and the AC breakdown strengths of Nano filler and micro-$SiO_2$ filler mixtures of epoxy-based composites were analyzed using sphere-to-sphere electrodes. Moreover, nano- and microfiller combinations were investigated as an approach to practical application of nanocomposite insulation materials. Its composition ratio was 100 (resin):82 (hardener):1.5 (accelerator). AC breakdown tests were performed at room temperature ($25^{\circ}C$), $80^{\circ}C$, and $100^{\circ}C$ in the vicinity of $T_g$ ($90^{\circ}C$). Thermal conductivity was measured using TC-30.