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Wyszukujesz frazę "Han, Y.-M." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Oligonol prevented the relapse of dextran sulfate sodium-ulcerative colitis through enhancing Nrf2-mediated antioxidative defense mechanism
    Autorzy:
    Kim, K.-J.
    Park, J.-M.
    Lee, J.-S.
    Kim, Y.S.
    Kangwan, N.
    Han, Y.-M.
    Kang, E.A.
    An, J.M.
    Park, Y.K.
    Hahm, K.-B.
    Powiązania:
    https://bibliotekanauki.pl/articles/69501.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    ulcerative colitis
    inflammatory bowel disease
    oxidative stress
    oligonol
    polyphenol
    adaptive response
    quinone oxidoreductase
    relapse
    nuclear factor-kappaB
    tumour necrosis factor-alpha
    Źródło:
    Journal of Physiology and Pharmacology; 2018, 69, 3
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recovery Of Valuable Metals In Tin-Based Anodic Slimes By Carbothermic Reaction
    Odzysk cennych metali ze szlamów anodowych na bazie Sn metodą reakcji karbotermicznej
    Autorzy:
    Han, C.
    Kim, Y.-M.
    Son, S. H.
    Choi, H.
    Kim, T. B.
    Kim, Y. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/352796.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    tin
    anodic slime
    carbothermic reduction
    carbon
    recovery
    cyna
    szlam anodowy
    reakcja karbotermiczna
    węgiel
    odzysk metali
    Opis:
    This study investigated the recovery of anodic slimes by carbothermic reaction in the temperature range of 973~1,273K and amount of carbon as a function of time. Tin anodic slime samples were collected from the bottom of the electrolytic cells during the electro-refining of tin. The anodic slimes are consisted of high concentrated tin, silver, copper and lead oxides. The kinetics of reduction were determined by means of the weight-loss measurement technique. In order to understand in detail of carbothermic reaction, thermodynamic calculation was carried out and compared with experiments. From thermodynamic calculation and experiment, it was confirmed that Sn-based anodic slime could be reduced by controlling temperature and amount of carbon. However, any tendency between the reduction temperature and carbon content for the reduction reaction was not observed.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1213-1216
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Annealing Study of Al/GaSb Contact with the Use of Doppler Broadening Technique
    Autorzy:
    Wang, H. Y.
    Weng, H. M.
    Ling, C. C.
    Ye, B. J.
    Zhou, X. Y.
    Han, R. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2043365.pdf
    Data publikacji:
    2005-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    78.70.Bj
    68.35.Ct
    73.40.Sx
    Opis:
    Using a monoenergetic positron beam, annealing study of the Al/n-GaSb system was performed by monitoring the Doppler broadening of the annihilation radiation as a function of the positron implanting energy. The S-parameter against positron energy data was successfully fitted by a three-layer model (Al/interface/GaSb). The annealing out of the open volume defects in the polycrystalline Al layer was revealed by the decrease in the S-parameter and the increase in the effective diffusion length of the Al layer. For the as-deposited samples, a 5 nm interfacial region with S-parameter larger than those of the Al overlayer and the bulk was identified. After the 400ºC annealing, this interfacial region extends to over 40 nm and its S-parameter dramatically drops. This is possibly due to the new phase formation at the interface. Annealing behaviors of S$\text{}_{B}$ and L$\text{}_{+,B}$ of the GaSb bulk showed the annealing out of positron traps (possibly the V$\text{}_{Ga}$-related defect) at 250ºC. However, a further annealing at 400ºC induces the formation of positron traps, which are possibly of another kind of V$\text{}_{Ga}$-related defect and the positron shallow trap GaSb antisite.
    Źródło:
    Acta Physica Polonica A; 2005, 107, 5; 874-879
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphology Change Of Si Deposit In Molten Salt Electrorefining
    Zmiana morfologii osadu Si podczas elektrorafinacji w stopionych solach
    Autorzy:
    Ryu, H. Y.
    Kwon, S. C.
    Han, M. H.
    An, Y. S.
    Lee, J. S.
    Lee, J. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/354346.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    molten salt
    silicon
    morphology
    electrorefining
    current density
    sól stopiona
    krzem
    morfologia
    elektrorafinacja
    gęstość prądu
    Opis:
    The effects of processing parameters on the morphology change in a Si deposit recovered by means of molten salt electrorefining are evaluated using electrochemical techniques such as cyclic voltammetry and chronopotentiometry at 800°C. It was found that concentration of K2SiF6 and current density were important parameters in determining deposit size. Higher concentrations of K2SiF6 were effective in coarsening the silicon deposit and decreasing the cell potential. Silicon nanofiber was recovered at 5 wt% of K2SiF6 whereas dense particles were prepared at 30 and 50 wt% of K2SiF6. The morphology of the Si deposit was determined by the concentration of Si in the electrolyte which is related to the formation of crystal and growth of Si. The formation mechanism of the Si deposit was interpreted by using high resolution TEM as well as electrochemical properties.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1491-1497
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multivariate statistical analysis of water quality and phytoplankton characteristics in Daya Bay, China, from 1999 to 2002
    Autorzy:
    Wang, Y.S.
    Lou, Z.P.
    Sun, C.C.
    Wu, M.L.
    Han, S.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/48049.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    South China Sea
    water quality
    China
    phytoplankton
    Daya Bay
    multivariate statistical analysis
    Opis:
    This study analyzed seasonal physicochemical and phytoplankton data collected at 12 marine monitoring stations in Daya Bay from 1999 to 2002. Cluster analysis based on water quality and phytoplankton parameters measured at the 12 stations could be grouped into three clusters: cluster I – stations S1,S2 , S7 and S11 in the southern part and the north-eastern part of Daya Bay; cluster II – stations S5, S6,S9 ,S1 0 and S12 in the central and north-eastern parts of Daya Bay; cluster III – stations S3,S 4 and S8 in the cage culture areas in the south-western part of Daya Bay and in the north-western part of the Bay near Aotou harbor. Bivariate correlations between phytoplankton density and the major physical and nutrient factors were calculated for all stations. Factor analysis shows that there were high positive loadings of pH,T IN and the ratio of TIN to PO4-P in the three clusters, which indicates that all the stations in the three clusters were primarily grouped according to their respective nutrient conditions.
    Źródło:
    Oceanologia; 2006, 48, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterization of Cladding Hull Wastes from Used Nuclear Fuels
    Charakterystyka odpadów z okładzin reaktora wodnego ciśnieniowego
    Autorzy:
    Kang, K. H.
    Lee, C. H.
    Jeon, M. K.
    Han, S. Y.
    Park, G. I.
    Hwang, S.-M.
    Powiązania:
    https://bibliotekanauki.pl/articles/357036.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    used nuclear fuels
    metal waste
    cladding hulls
    zircaloy
    radioactivity
    reaktor wodny ciśnieniowy
    odpady metalowe
    odpady z okładzin
    radioaktywność
    Opis:
    Used cladding hulls from pressurized water reactor (PWR) are characterized to provide useful information for the treatment and disposal of cladding hull wastes. The radioactivity and the mass of gamma emitting nuclides increases with an increase in the fuel burn-up and their removal ratios are found to be more than 99 wt.% except Co-60 and Cs-137. In the result of measuring the concentrations of U and Pu included in the cladding hull wastes, most of the residues are remained on the surface and the removal ratio of U and Pu are revealed to be over 99.98 wt.% for the fuel burn-up of 35,000 MWd/tU. An electron probe micro-analyzer (EPMA) line scanning shows that radioactive fission products are penetrated into the Zr oxide layer, which is proportional to the fuel burn-up. The oxidative decladding process exhibits more efficient removal ratio of radionuclides.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1199-1203
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improved Mechanical Properties of Al-Si Alloys by Adding an Extrusion Process to Conventional Processing Method
    Autorzy:
    Han, J. Y.
    Femi, O. E.
    Kilicaslan, F.
    Jeong, C. U.
    Baeg, C. H.
    Hong, S. J.
    Koo, J. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/355114.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Al-Si alloys
    extrusion
    mechanical properties
    Opis:
    In this study, the mechanical properties of Al-Si alloys was improved by selecting higher Si content and avoiding distortion in Al-Si matrix by adding an extrusion process such that the fabrication processes casting and extrusion were in sequence. Cast billets were extruded at ratios 4:1 and 10:1 to obtained two extruded bars with different processing parameters. The as-extruded samples were characterized and investigated for microstructure and mechanical properties. Optical Microscope was used to examined phase morphologies and microstructures of the extruded Al-Si bars. Mechanical properties were conducted on each sample to study the effectiveness of the additional extrusion process in high Si content Al-Si alloys. The result shows that by increasing the extrusion ratio, the size of the primary Si particle reduces leading to a higher density, better tensile and yield strength compared to the cast billet.
    Źródło:
    Archives of Metallurgy and Materials; 2017, 62, 2B; 1179-1183
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of Hydrophobic Surgical Forceps using Powder Injection Molding and Surface Treatment
    Autorzy:
    Park, D. Y.
    Park, B. R.
    Gal, C. W.
    Lin, D.
    Han, J. S.
    Jeong, M.-S.
    Bollina, R.
    Hwang, W.
    Park, S. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/352093.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    powder injection molding
    hydrophobic
    debinding
    sintering
    surface treatment
    Opis:
    Hydrophobic surgical forceps of end-effectors for laparoscopic operations or minimally invasive surgery were developed through powder injection molding (PIM) and surface treatment. Processing conditions for mixing, debinding, and sintering were investigated to produce defect-free components. An optimum solid loading was determined by torque rheometry experiments. The optimized processing conditions for debinding and sintering were designed through the measurement of weight loss and shrinkage behavior by thermogravimetric analysis and dilatometry experiments. After producing the surgical forceps based on the optimized processing conditions via PIM, surface treatment was carried out to generate the hydrophobic structure on the surface.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 1; 473-480
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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