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이민호,강석영,이선영,이흥수,최준열,이관석,김황용,이시우,김선곤,엄기백,Lee, Min-Ho,Kang, Seok-Young,Lee, Sun-Young,Lee, Heung-Su,Choi, June-Yeol,Lee, Gwan-Seok,Kim, Whang-Yong,Lee, Si-Woo,Kim, Seon-Gon,Uhm, Ki-Baik 한국응용곤충학회 2005 한국응용곤충학회지 Vol.44 No.3
The occurrence of tobacco whiteflies, Bemisia tabaci, in greenhouses was monitored in Korea in 2005. Bemisia tabaci occurred in the rose, sweet pepper, tomato, and cucumber greenhouses of Chungbuk, Chungnam, Gyongnam, and Jeonnam Provinces, but not in Jeonbuk and Gyongbuk Provinces. The biotypes and genetic differentiation of the whiteflies collected in each regions were analyzed by mitochondrial 16S DNA sequences. The 16S DNA sequences of Jincheon (Chungbuk Province) samples were similar to DNA data reported from Japan and Israel which were known as the B biotype. However, the DNA sequences of the Buyeo (Chungnam), Geoje (Gyongnam) and Boseong (Jeonnam) collections, which were 100% homologous showed over 99% similarity to the DNA of Q biotype from Spain and Egyrt. Here we report the first founding of the Q biotype in Korea. It is assumed that, unlike the B biotype reported from Jincheon since 1998, the Q biotype might have been introduced recently from the certain foreign region/country to the greenhouses in those provinces. 2005년 5월 충청이남 지역의 온실에서 담배가루이의 발생 상황을 조사한 결과 충남 북, 전남 및 경남에서 착색단고추, 토마토, 오이, 장미 등의 시설 재배지에 담배가루이가 발생한 것을 확인하였으나 전북과 경북에서는 발견할 수 없었다. 각 지역별로 발생한 담배가루이의 계통(biotype)과 근연관계를 조사할 목적으로 충을 채집하여 16S DNA 염기서열 분석을 수행하였다. 그 결과 진천에서 채집한 담배가루이의 16S DNA 염기서열은 일본 및 이스라엘에서 보고된 B 계통의 DNA와 상동성이 높았고 충남 부여, 경남 거제 및 전남 보성 채집 충은 상호간에 동일한 염기서열을 보여 주었으며 스페인과 이집트의 Q계통의 DNA와 99% 이상의 높은 상동성을 보였다. 그러므로 본 논문은 담배가루이 Q 계통이 국내에 유입되었음을 알리는 최초의 보고이다. 이는 1998년부터 진천에서 발생한 담배가루이 B 계통과는 별도로 담배가루이 Q 계통이 최근에 국외의 동일한 지역내지는 국가로부터 이들 지역의 시설재배지에 유입된 것으로 추정된다.
결절맥락막혈관병증에서 유리체강내 베바시주맙 주입술의 단기 효과
이민호,안진환,이지은,엄부섭,Min Ho Lee,Jin Hwan An,Ji Eun Lee,Boo Sub Oum 대한안과학회 2009 대한안과학회지 Vol.50 No.1
Purpose: To evaluate the short-term effect of intravitreal bevacizumab (Avastin<sup>Ⓡ) in polypoidal choroidal vasculopathy. Methods: Intravitreal Avastin<sup>Ⓡ was injected into 13 eyes of 13 patients with PCV in this retrospective, interventional case study. The follow-up period lasted over 3 months after therapy. Changes in best-corrected visual acuity (BCVA), foveal height determined by optical coherence tomography, and abnormal vasculature in indocyanine green angiography (ICGA) were evaluated. Results: The mean LogMAR BCVA was 0.82 at baseline, 0.78 at 1 month after treatment, and 0.73 at 3 months after treatment. Visual acuity was stabilized or improved in 13 eyes (100%). The mean foveal height was 288 μm at baseline, 231 μm (p<0.05) at 1 month after treatment, and 196 μm at 3 months after treatment. The polypoidal lesions in ICGA decreased in 4 eyes (31%), although branching vasculature in ICGA was unchanged in 13 eyes (100%). Conclusions: Intravitreal injection of Avastin<sup>Ⓡ may stabilize visual acuity and reduce macular edema due to decreased retinal pigment epithelial detachment and leaking. However, intravitreal injection had a minimal effect in occlusion of the symptomatic polypoidal lesions and no effect in occlusion of the branching vascular network.
실리콘기름 주입안에서 점도에 따른 레이저 간섭계와 초음파로 측정된 안축장과 전방 깊이 비교
이민호,한영상,이종수,Min Ho Lee,Young Sang Han,Jong Soo Lee 대한안과학회 2008 대한안과학회지 Vol.49 No.2
`Purpose: To evaluate differences between partial coherence laser interferometry (IOL-Master, Zeiss) and A-scan measurement of axial length and anterior chamber depth in silicone oil-filled eyes according to viscosity. Methods: Using IOL-Master and A-scan, axial length and anterior chamber depth in silicone oil-filled eyes (n=54) and normal eyes (control, n=54) were measured and analyzed. In silicone oil-filled eyes, calculated axial lengths by A-scan using conversion factors, axial length multiplied by 0.71, and vitreous cavity multiplied by 0.64 (classic method) were compared with those calculated by IOL-Master. Anterior chamber depths were also analyzed., and axial lengths and anterior chamber depths were compared according to the viscosities of silicone oil for measurement by A-scan. Results: Axial length and anterior chamber depth using IOL-Master were shorter than those using A-scan by 9.45±1.81 mm (p<0.05) and 0.11±1.29 mm, respectively. In normal eyes, axial length and anterior chamber depth using IOL-Master and A-scan were not significantly different. In silicone oil-filled eyes, axial length using IOL-Master and conversion factor was also not significantly different. At the highest silicone oil viscosity the difference in measured axial length was greatest (p<0.05) while the difference in anterior chamber depths was smallest. Conclusions: In silicone oil-filled eyes, axial length by IOL-Master was more accurate than that by A-scan, regardless of silicone oil viscosity. Thus, IOL-Master is more useful than A-scan when measuring axial length in silicone oil-filled eyes.`
초전도 세라믹 Y-Ba-Cu-O계의 구조적 상전이와 분해거동에 관한 연구
이민호,이민상,김양수,진영철 ( M . H . Lee,M . S . Lee,Y . S . Kim,Y . C . Jin ) 한국열처리공학회 1991 熱處理工學會誌 Vol.4 No.3
In this study, the structural phase transition and decomposition of superconducting ceramic, Y-Ba-Cu-O system was studied. The results of the study are as follows. The high Tc superconductor Y₂Ba₂Cu₃O_(7-x) is made in solid state reaction of O₂atmosphere and the valve of X in Y₂Ba₂Cu₃O_(7-x) is 0.1∼0.2. The transition temperature of tetragonal-orthorhombic phase of Y₂Ba₂Cu₃O_(7-x) appear at 790℃-900℃. In the result of measuring the electrical resistance of sample annealed in O₂atmosphere, the electrical resistance show zero at 92K and the best superconductor, Y₂Ba₂Cu₃O_(7-x)(Y123) can be mabe.