http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Un Sang Yeo,Do Yeon Kwak,Jeom Sig Lee,Woon Goo Ha,Jae Ki Jang,No Bong Park,Sang Jong Lim,Jung Hoon Kang,Ho Yeong Kim,Sae Jun Yang 한국육종학회 2003 한국육종학회지 Vol.35 No.2
This study was carried out to develop a prom ising japonica rice variety resistant to brown planthopper(Bph) through marker-assisted selection(MAS) and backcross breeding methods. 'Milyang 64' which is known as resistant japonica variety to Bph used as a
Kim, Su-Mi,Jung, Sung Yun,Kim, Min-Jung,Kwon, Tae Hun,Choi, Kang-Un,Kim, Byung-Jun,Sohn, Jang Won,Hong, Gue-Ru Yeungnam University College of Medicine 2014 Yeungnam University Journal of Medicine Vol.31 No.1
Postinfarction ventricular septal rupture (VSR) is a rare but fatal complication of acute myocardial infarction. In many cases, postinfarction VSR leads to hemodynamic instability and urgent surgical treatment is necessary. Here we describe a case of a patient with right ventricular (RV) dysfunction caused by acute RV infarction and with cardiogenic shock, whose condition improved after development of postinfarction VSR, but the patient died after corrective surgery.
Jang, Se-Bok,Moon, Sung-Doo,Park, Jong-Yul,Kim, Un-Sik,Kim, Yang Korean Chemical Society 1992 Bulletin of the Korean Chemical Society Vol.13 No.1
Two crystal structures of ethylene (a= 12.272(2) ${\AA}$) and acetylene (a = 12.245(2) ${\AA}$) sorption complexes of dehydrated fully $Ca^{2+}$-exchanged zeolite A have been determined by single crystal X-ray diffraction techniques in the cubic space group, Pm3m at $21(1)^{\circ}C$. Their complexes were prepared by dehydration at $360^{\circ}C$ and $2{\times}10^{-6}$ Torr for 2 days, followed by exposure to 200 Torr of ethylene gas and 120 Torr of acetylene gas both at $24^{\circ}C$, respectively. The structures were refined to final R (weighted) indices of 0.062 with 209 reflections and 0.098 with 171 reflections, respectively, for which I > 3${\sigma}$(I). The structures indicate that all six $Ca^{2+}$ ions in the unit cell are associated with 6-oxygen ring of the aluminosilicate framework. Four of these extend somewhat into the large cavity where each is coordinated to three framework oxide ions and an ethylene molecule and/or an acetylene molecule. The carbon to carbon distance in ethylene sorption structure is 1.48(7) ${\AA}$ and that in acetylene sorption structure 1.25(8) ${\AA}$. The distances between $Ca^{2+}$ ion and carbon atom are 2.87(5) ${\AA}$ in ethylene sorption structure and 2.95(7) ${\AA}$ in acetylene sorption structure. These bonds are relatively weak and probably formed by the electrostatic attractions between the bivalent $Ca^{2+}$ ions and the polarizable ${\pi}$-electron density of the ethylene and/or acetylene molecule.
Kim, Jae-Kwan,Park, Seok-Un,Jang, Ji-Hoon,Joo, Yong-Jin Korea Electric Power Corporation 2020 KEPCO Journal on electric power and energy Vol.6 No.3
In this paper, the effects of the spontaneous combustion inhibitor on the surface of the coal stockpile in the coal yard was investigated by numerical analysis. First, the numerical analysis method of the present study was compared with the results of the previous study by analyzing the case in which the spontaneous combustion inhibitor was not applied, while the effects of spraying the spontaneous combustion inhibitor for the prevention of spontaneous combustion onto various areas and positions was also analyzed. As a result, the larger the application area of the spontaneous combustion inhibitor, then the more effective it is for preventing spontaneous combustion as it blocks the oxygen inflow into the coal stockpile, while, when spraying the spontaneous combustion inhibitor from the bottom of the coal stockpile, then the greater the effect it has on the prevention of spontaneous combustion. In conclusion, it was most effective to spray the spontaneous combustion inhibitor from the bottom of the coal stockpile up to about 30% of the height of the coal stockpile, when considering the economic aspect.
Antioxidant and anti-inflammatory effect of the methanolic extracts of $Potentilla$ $chinensis$
Jang, Hee-Kyung,Kim, Jin-Kyu,Nam, Jung-Il,So, Un-Ki,Oh, Chan-Ho,Jeon, Hoon 경희한의학연구센터 2011 Oriental Pharmacy and Experimental Medicine Vol.11 No.2
$Potentilla$ $chinensis$ has been widely used as a traditional medicine for the treatment of many diseases. In macrophages, nitric oxide (NO) released as an inflammatory mediator and has been proposed an important modulator of many pathophysiological conditions. In the present study, we investigated the inhibitory effects of methanol extracts of $P.$ $chinensis$ (PCM) on NO production in mouse (C57BL/6) peritoneal macrophages. PCM suppressed IFN-${\gamma}$ and LPS-induced NO production independent of iNOS expression. Interestingly, iNOS enzyme activity was reduced by PCM treatment. On the contrary to iNOS, cyclooxygenase-2 (COX-2) expression was attenuated by PCM significantly. PCM also demonstrated potent radical scavenging activity and reducing power. The present results indicate that PCM's inhibitory action on the NO production is not due to attenuation of iNOS expression but direct scavenging of NO radical. These results suggest that PCM may be beneficial in diseases which related to oxidative stress-mediated inflammatory disorders such as rheumatoid arthritis.
Jang, Jae-Ho,Kim, Min Ji,Kim, Hee Un,Lee, Seul Bee,Lee, Jaemin,Hwang, Do-Hoon American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.8
<P>We designed and synthesized a red phosphorescent iridium(III) complex, (BTMN)(2)Ir(acac), for solution-processed single-emissive-layer organic light-emitting diodes (OLEDs), which contains 2-(4-methoxynaphthalen-1-yl)benzo[d]thiazole (BTMN) as the main ligand and acetylacetone (acac) as the ancillary ligand. The photophysical, electrochemical, and electroluminescent (EL) properties of (BTMN) 2Ir(acac) were investigated. Solution-processed single-emissive-layer red and white OLEDs were fabricated using (BTMN) 2Ir(acac) doped in poly(9-vinylcarbazole) (PVK) as the emitting layer. The EL spectra of (BTMN) 2Ir(acac) exhibited a maximum emission peak at 598 nm with a full-width at half-maximum (FWHM) of 75 nm and Commission Internationale de L'Eclairage (CIE) coordinates of (0.59, 0.37) at 1000 cd.m(-2). In addition, white-light-emitting devices exhibited CIE coordinates of (0.32, 0.38) at 1000 cd.m(-)2, which are close to the standard white-light CIE coordinates of (0.33, 0.33).</P>
A New Iridium(III) Complex as a Deep-Red Phosphorescent Emitter in Organic Light-Emitting Diodes
Kim, Hee Un,Jang, Jae-Ho,Xu, Fei,Lee, Jun Yeob,Hwang, Do-Hoon American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.3
<P>We synthesized a novel red-emitting iridium(III) complex, bis[2-(5-(9H-carbazole-9-yl)thiophene-2-yl)benzo[d]thiazole]iridium(III)acetylacetonate ([(CTBT)(2)Ir(acac)]), for use in phosphorescent organic light-emitting diodes. The photophysical and electrochemical properties of [(CTBT) 2Ir(acac)] were characterized using photoluminescence (PL) and cyclic voltammetry. The photophysical properties of [(CTBT)(2)Ir(acac)] included PL emission at 630 nm. The highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels of [(CTBT) 2Ir(acac)] were calculated to be -5.14 and -2.83 eV, respectively. Phosphorescent organic light-emitting diodes with a configuration of ITO/PEDOT: PSS (30 nm)/TAPC (30 nm)/TPBi (12.5 nm): TCTA (12.5 nm): dopant (3%, 5%, 10%)/TSPO1 (35 nm)/LiF (1 nm)/Al (100 nm) were fabricated and characterized. The fabricated device doped with 5% [(CTBT)(2)Ir(acac)] showed a high luminous efficiency of 2.06 cd/A, maximum external quantum efficiency of 4.32% at 4 V, maximum outstanding luminance of 398.8 cd/m(2), and maximum power efficiency of 1.79 lm/W with Commission Internationale de L'Eclairage (CIE) coordinates of (0.69, 0.31).</P>
Kim, Hee Un,Jang, Jae-Ho,Park, Hea Jung,Lee, Jun Yeob,Hwang, Do-Hoon American Scientific Publishers 2017 Journal of Nanoscience and Nanotechnology Vol.17 No.8
<P>A novel red iridium(III) complex, (PQ)(2)Ir(TMSppy), containing 2-phenylquinoline (PQ) as the main cyclometalated ligand and 2-[4-(trimethylsilyl) phenyl] pyridine (TMSppy) as the ancillary ligand, was synthesized for use in phosphorescent organic light-emitting diodes (OLEDs). (PQ)(2)Ir(TMSppy) had a red emission with a maximum emission wavelength (lambda(max)) at 603 nm. To investigate the (PQ)(2)Ir(TMSppy) as a red emitter in OLEDs, we fabricated a device with a multi-layer architecture. The (PQ)(2)Ir(TMSppy) device showed an electroluminescence (EL) maximum emission peak at 612 nm and showed a maximum quantum efficiency (EQE(max)) of 15.5% at a 10% doping concentration. In addition, white OLEDs, having three primary color components, made from (PQ)(2)Ir(TMSppy) with bis(4,6-difluorophenylpyridine) picolinate (FIrpic) and tris(2-phenylpyridinato-C-2,N) iridium(III) (Ir(ppy)(3)) gave the best performances, with an EQE(max) of 18.1%, maximum power efficiency (PEmax) of 22.8 lm/w, and maximum current efficiency (CEmax) of 36.5 cd/A with Commission Internationale de L'Eclairage coordinates of (0.39, 0.42) at a luminance of 1,000 cd/m(2).</P>