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정주영(Joo-Young Jeong),조성용(Sung-Yong Cho),이돈규(Don-Kyu Lee),이해준(Hae-June Lee),이호준(Ho-Jun Lee),박정후(Chung-Hoo Park) 대한전기학회 2009 전기학회논문지 Vol.58 No.8
The discharge electrodes in ac PDP are coated with dielectric layer, and transparent MgO thin films are deposited on the dielectric layer. The main role of the MgO thin films in ac PDP is to protect the dielectric layer from sputtering by ion bombardment in the glow-discharge plasma. An additional important role of the MgO thin film is the high secondary electron emission coefficient which leads the low firing voltage and low cost of the PDP. In this paper, we investigated the relations of the crystal orientation about deposition thickness, deposition rate, temperature of substrate, and distance between the MgO tablet and the substrate. Additionally, we investigated the discharge characteristics of the AC PDP using nano-powder MgO tablet.
AC PDP의 휘도 및 효율 향상을 위한 Long Discharge Gap 전극구조 연구
董殷?(Eun-Joo Dong),玉政于(Jung-Woo Ok),李敦揆(Don-Kyu Lee),李海準(Hae-June Lee),李?駿(Ho-Joon Lee),朴正后(Chung-Hoo Park) 대한전기학회 2008 전기학회논문지 Vol.57 No.5
One of the most important issues in AC PDP is luminance and luminous efficacy. To improve the luminance and luminous efficacy, new sustain electrode structure which contains long discharge gap is necessary. However, it causes a rise of firing voltage. In this experiment, a new structure is proposed in order to solve this problem. To drop the firing voltage, the hump shaped electrode is inserted into the forward area of the main discharge gap. The experimental results show that proposed structures with 160um discharge gap have high firing voltage by 38V, high luminance by 30% and high luminous efficacy by 15% compared with conventional type having 60um discharge gap. In addition, the proposed structure with hump electrode shows lower firing voltage by 24V compared with the test panel with 160um discharge gap which doesn't have hump electrode though they have similar luminous efficacy.
Lee, Je-Hwan,Joo, Young-Don,Kim, Hawk,Bae, Sung Hwa,Kim, Min Kyoung,Zang, Dae Young,Lee, Jung-Lim,Lee, Gyeong Won,Lee, Jung-Hee,Park, Jae-Hoo,Kim, Dae-Young,Lee, Won-Sik,Ryoo, Hun Mo,Hyun, Myung Soo,K American Society of Hematology 2011 Blood Vol.118 No.14
<B>Abstract</B><P>We conducted a phase 3 randomized trial comparing 2 different doses of daunorubicin as induction chemotherapy in young adults (60 years of age or younger) with acute myeloid leukemia (AML). Of 383 patients who were analyzed, 189 received standard-dose daunorubicin (SD-DN, 45 mg/m2 per day times 3 days) and 194 received high-dose daunorubicin (HD-DN, 90 mg/m2 per day times 3 days) in addition to cytarabine (200 mg/m2 per day times 7 days) to induce complete remission (CR). The CR rates were 72.0% in the SD-DN arm and 82.5% in the HD-DN arm (P = .014). At a median follow-up of 52.6 months, overall (OS) and event-free (EFS) survival were higher in the HD-DN arm than in the SD-DN arm (OS, 46.8% vs 34.6%, P = .030; EFS, 40.8% vs 28.4%, P = .030). Differences in CR rate and both OS and EFS remained significant after adjusting for other variables (CR, hazard ratio [HR], 1.802, P = .024; OS, HR, 0.739, P = .032; EFS, HR, 0.774, P = .048). The survival benefits of HD-DN therapy were evident principally in patients with intermediate-risk cytogenetic features. The toxicity profiles were similar in the 2 arms. In conclusion, HD-DN improved both the CR rate and survival duration compared with SD-DN in young adults with AML. This study is registered at www.clinicaltrials.gov as #NCT00474006.</P>
ELISA 를 이용한 돼지 톡소플라스마병의 조기진단에 관한 연구
서명득,주후돈,장동화 경상대학교 축산진흥연구소 1989 畜産振興硏究所報 Vol.16 No.1
To investigate the influencce of retined placenta on the subsquent reproductive performance and milk yield, total 357 heads of Holstein dairy cows at N.A.B.I., Choong Nam province were used. The cows not expelled their placenta until 12 hours postparturiont were termed as the cow of placenta retention. The days to first service, days open, services per conception, lactation days, peak yield per day, days to peak yield and 305 days ME nilk yied were evaluated to determine the subsequent reproductive performances and milk yield, respectively. The mean incidence of retaincd placenta(RP) was 25.8% in a herd of 357 cows examined. The cows of placenta retention took significantly(P$lt;0.01) longer than normal cows in the days to first service and the days open, by 97.6±8.4 days and 192.6±15.0 days versus 79.3±2.3 days and 142.9±5.5 days, respectively, but services per conception and days open more than 300 were not affected by retained placonta. In milk yield, lactation days, peak yield per day and days to peak yield were not affected by retained placenta, but milk yield per lactation was significantly(P$lt;0.05) decreased in RP cows with 5.684t151.9kg versus 6,035t80.Okg for normal cows. From these results, there scemed to be negative relationship between incidence of retained placenta and subsequent reproductive performance and /or milk vied.