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박태선,성형진,Park, Tae-Seon,Seong, Hyeong-Jin 대한기계학회 2001 大韓機械學會論文集B Vol.25 No.11
A new nonlinear near-wall turbulence model is developed to predict turbulent flow and heat transfer in strongly nonequilibrium flows. The k-$\varepsilon$-f$\sub$${\mu}$/, model of Park and Sung$\^$(1)/ is extended to a nonlinear formulation. The stress-strain relationship is the thrid-order in the mean velocity gradients. The strain dependent coefficients are obatined from the realizability constraints and the singular behavior at large strains. An improved explicit heat flux model is proposed with the aid of Cayley-Hamilton theorem. This new model includes the quadratic effects of flow deformations. The near-wall asymptotic behavior is incorporated by modifying the f$\sub$λ/ function. The model performance is shown to be satisfactory.
박태선,박홍규,강신구,구본일,최민규,이경보,고재권,Park, Tae-Seon,Park, Hong-Kyu,Kang, Sin-Koo,Ku, Bon-Il,Choi, Min-Kyu,Lee, Keong-Bo,Ko, Jae-Kwon 한국잡초학회한국잔디학회 2012 Weed&Turfgrass Science Vol.32 No.1
This study was conducted to find the effective management of main weeds including herbicide-resistant Echinochloa oryzicola, Scirpus juncoides and Monochoria vaginalis in direct seeded rice on puddled paddy surface. The dominant dominances in direct seeded rice on puddled paddy surface were increased for three years between 2009-2011. In weed distribution in 2011, the occurrence density of S. juncoides decreased greatly, but it of E. oryzicola increased especially as compared with it of 2009. Benzobicyclon, mesotrione and pyrimisulfan were effective to sulfonylurea(SU)-resistant S. juncoides and M. vaginalis at 5 and 12 days after seeding, however, the efficacy of bromobutide to sulfonylurea-resistant M. vaginalis was decreased slightly at 12 days after seeding. And carfentrazon and pyrazolate were ineffective to S. juncoides. In direct seeded rice on puddled paddy surface which ACCase and ALS inhibitor-resistant E. oryzicola was not occurred, benzobicyclon+penoxsulam+pyrazosulfuron-ethyl ET, bromobutide+imazosulfuron+metamifop GR, and flucetosulfuron+mesotrione+pretilachlor GR showed the control effect over 94% to main weeds included sulfonylurea-resistant S. juncoides and M. vaginalis. The E. oryzicola dominating in direct seeded rice on puddled paddy surface were not any affected to the survival by treatment with recommended doses of cyhalofop-butyl and penoxsulam tested. The ACCase and ALS inhibitor-resistant E. oryzicola was effectively controlled by mefenacet and fentrazamide up to the 2nd leaf stage. In direct seeded rice on puddled paddy surface domiating coincidentally by herbicide-resistant E. oryzicola, S. juncoides and M. vaginalis, "one-shot herbicide" included with mefenacet, fentrazamide, penoxsulam and metamifop could't be used because of low control effect or rice injury. The sequential treatment of benzobicyclon+thiobencarb SE and bensulfuron+mefenacet+thiobencarb GR controlled effectively the herbicide-resistant E. oryzicola, S. juncoides and M. vaginalis in direct seeded rice on puddled paddy surface. The days required by the 3rd leaf stage of herbicide-resistant E. oryzicola, S. juncoides and M. vaginalis in direct seeded rice on puddled paddy surface seeded in May 20 shortened by 4 days as compared with it of June 10.
소적백출산(消積白朮散)이 면역세포(免疫細胞)의 동태(動態), 대식세포(大食細胞)의 走化性(주화성) 및 부착성(附着性)에 미치는 영향(影響)
박태선,조종관,Park, Tae-Seon,Jo, Jong-Gwan 대한암한의학회 1997 大韓癌韓醫學會誌 Vol.3 No.1
In order to investigate the effects of Sojeokbaekchoolsan on the various immune responses, the chemotactic and adherent ability of macrophages were studied in vivo and in vitro. The results obtained were follows: 1. The administration of Sojeokbaekchoolsan enhanced significantly the Chemotactic activity of macrophages and neutrophils. 2. The administration of Sojeokbaekchoolsan enhanced significantly the adherent activity of macrophages and neutrophils. From above findings, it is suggested that Sojeokbaekchoolsan seem to produce the increase of immune response such as the chemotactic activity and adherent activity of macrophage. According to the above results, it could be suggested that Jukyeopseokgo-tanggagambang extract has indirect autitumor effects by strengthening the effects of MMC on tumor cells.