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수직 Bridgman법에 의한 CdTe 단결정의 성장과 특성
정용길,신호덕,엄영호,박효열,진광수 한국결정성장학회 1996 한국결정성장학회지 Vol.6 No.2
두 개의 siliconit 발열체를 써서 이단 전기로를 제작하여 수직 Bridgman법으로 CdTe 단결정을 성장시켰다. 상단전기로의 최고온부를 $1150^{\circ}C$로 고정시키고 하단전기로를 $800^{\circ}C$로 하였을 때, $22.51150^{\circ}C$/cm의 온도 기울기를 얻었다. 성장된 시료의 X$.$선 회절 실험으로부터 얻은 격자상수 $a_0$는 6.482$\AA$이었고, 실온에서 광흡수 측정으로부터 얻은 밴드갭 에너지는 1.478eV이었다. 광발광(PL) 실험으로부터, 구속된 엑시톤 방출 피크가 각각 ($A^0$, X) (1.5902, 1.5887ev), (h,$D^o$) (1.5918 eV) 그리고 ($D^o$, X) (1.5928, 1.5932 eV)의 방출 피크로 분리되는 것을 확인할 수 있었으며, 중성주개와 중성받개의 결합에너지와 이온화에너지를 계산하였다. CdTe single crystals were grown by vertical Bridgman method using double furnace with two siliconit heating elements. When the peak temperature of the upper furnace was fixed at $1150^{\circ}C$ and that of the lower furnace was $800^{\circ}C$, the temperature gradient was about $22.5^{\circ}C$/cm. The lattice constant $a_0$ was $6.482\AA$ from the X-ray diffraction and the band gap energy obtained from the optical absorption experiment at room temperature was 1.478 eV. PL spectrum showed that the bound exciton emission peak was resolved into ($A^0,X$) (1.5902, 1.5887 eV), ($h\;D^0$) (1.5918 eV) and ($D^0,X$ (1.5928, 1.5932 eV), and we have also calculated binding energy and ionization energy of the neutral donor and acceptor.
조점덕,정봉남,김정수,이신호,최국선 한국식물병리학회 2007 식물병연구 Vol.13 No.2
The incidence of virus disease on peppers was investigated at the 52 areas in the whole country in 2002, 2004 to 2006. Among the six viruses, Cucumber mosaic virus (CMV), Pepper mottle virus (PepMoV), Pepper mild mottle virus (PMMoV), Broad bean wilt virus 2 (BBWV2), Tobacco mild green mosaic virus (TMGMV) and Tomato spotted wilt virus (TSWV), infecting peppers in Korea, the incidence of CMV, PepMoV, PMMoV and BBWV2 was 29.4%, 13.6%, 14.3%, 25.6%, orderly. TMGMV and TSWV had the same low infection rate of 1.0%. The infection rate of CMV was higher as 53.3% and 34.2% in 2002 and 2004, but it was decreased to 18.2% and 11.9% in 2005 and 2006, respectively. The infection rate of BBWV2 was lower as 1.3% in 2002 and 1.8% in 2004, but it was increased abruptly to 41.3% in 2005 and 58.2% in 2006. For the types of mixed infections of pepper viruses, the incidence of CMV+PepMoV was 62.6% in 2002 and 50.0% in 2004, and that of CMV+BBWV2 was increased suddenly from 33.3% in 2005 to 83.2% in 2006. The triplex infection of CMV+BBWV2+PepMoV was 6.4% in average. CMV caused severe mosaic and BBWV2 induced ring spots, and the two mixed virions caused chlorosis on the leaves of red peppers. TSWV induced the typical symptoms of multiple ring spots on the leaves and fruits of red peppers.
고추에 엽맥퇴록병을 일으키는 오이 모자이크 바이러스(CMV-VCH)의 특징
조점덕,김현란,류기현,정봉남,이신호,김정수,최국선 한국식물병리학회 2006 식물병연구 Vol.12 No.3
Cucumber mosaic virus (CMV) was occurred on red pepper showing vein chlorosis or vein necrosis with the incidence rate of 52% from 62 specimens collected in natural fields. Among 32 samples infected with CMV, the specimens of 22 red pepper leaves showing vein chlorosis were infected singly with CMV-VCH. CMVVCH induced vein chlorosis on the inoculated leaves, and vein banding and vein necrosis on the upper leaves of Nicotiana glutinosa, and then killed after showing bud necrosis. The typical symptoms of vein banding, malformation and blister were produced on the upper leaves of Nicotiana benthamiana and N. tabacum ‘Ky- 57’ without symptoms on the inoculated leaves. The commercial cultivars of ‘Bugang’, ‘Manitta’ and ‘Gwariput’ were shown the typical symptom of vein chlorosis by the mechanical inoculation of CMV-VCH. CMV-VCH was detected specifically by RT-PCR. Virus particles of CMV-VCH were isometric shape having 30 nm diameter. Ultraviolet absorption of purified CMV-VCH was maximum at 260 nm and minimum at 242 nm. The ratio of A260/A280 was 1.71. CMV-VCH had the single nucleo-protein having the molecular weight of 24.5 kDa.
박과 작물 종자전염 바이러스 3종(CGMMV, ZGMMV, KGMMV)의간편한 동시진단 VC/RT-PCR 유전자 진단
조점덕,정봉남,김정수,이신호 한국식물병리학회 2007 식물병연구 Vol.13 No.2
Choi, G. S. 2001. Occurrence of two tobamovirus diseases incucurbits and control measures in Korea. Plant Pathol. J.17(5): 243-248.... , ... , ... , ... , ... . 2006. Tomato spottedwilt virus. .. ... .. .... .. ... : Virioncapture/RT-PCR (VC/RT-PCR). ..... 12(2): 139-143......... . 2004. ....... .James, D. 1999. A simple and reliable protocol for the detectionof apple stem grooving virus by RT-PCR and in a multiplexPCR assay. J. Virol. Meth. 83: 1-9.Kim, J. H., Choi, G. S., Kim, J. S., Le, S. H., Choi, J. K. and Ryu,K. H. 2006. Development of single-tube multiplex immuno-capture RT-PCR Assay for simultaneous detection of twopepper Tobamoviruses. Plant Pathol. J. 22(2): 164-167.Ko, S. J., Lee, Y. H., Cha, K. H., Lee, S. H., Choi, H. S., Choi, Y.S., Lim, G. C. and Kim, K. H. 2006. Incidence and distributionof virus diseases on cucumber in Jeonnam province during1999-2002. Plant Pathol. J. 2(2): 147-151.Li, R. and Mock, R. 2005. An improved reverse transcription-polymerase chain reaction (RT-PCR) assay for the detection oftwo cherry flexiviruses in Prunus spp. J. Virol. Meth. 129:162-169.Nolasco, G. deBlas, C., Torres, V. and Ponz, F. 1993. A methodcombining immunocapture and PCR amplification in amicrotiter plate for the detection of plant viruses and subvirialphathogenes. J. Viro. Methods 45: 201-218.Ryu, K. H., Min, B. E., Choi, G. S., Choi, S. H., Kwon, S. B., Noh,G. M., Yoon, J. Y., Choi, Y. M., Jang, S. H., Lee, G. P., Cho, K.H. and Park, W. M. 2000. Zucchini green mottle mosaic virusis a new tobamovirus; comparison of its coat protein gene withthat of Kyuri green mottle mosaic virus. Arch. Virol. 145:2325-2333.Sharman, M., Thomas, J. E. and Dietzgen, R. G. 20. Developmentof a multiplex immunocapture PCR with colourimetric
심낭 삼출액과 복수를 주 중상으로 한 갑상선 기능 저하증 1 예
이상민,김용준,방신호,이홍순,이학중,박원,민경완,김석연,전용덕 대한내과학회 1992 대한내과학회지 Vol.43 No.4
Background: Hypothyroidism accompanies pericardial effusion frequently, but the patient who complains of any symptom of pericardial effusion is very rare. The diagnosis of pericardial effusion is usually made incidentally by routine check-up. Moreover it is extremely rare that pericardial effusion makes the presenting symptom of hypothyroidism. Methods: We have exprienced a case of hypothyroidism presenting with the symptoms of dyspnea and abdominal distension in a 46 year-old female patient. The cause of dyspnea and abdominal distension was massive pericardial effusion and ascites respectively. Results: The diagnosis of pericardial effusion and ascites was made by echocardiography and ascites tapping. The pericardial effusion and ascites did not subside inspite of the repeated pericardiocentesis and paracentesis, but 3 month later they were completely treated with thyroid hormone supplementation. Conclusion: So we recommend the thyroid function test in the case of massive pericardial effusion and ascites even if there was little symptom of hypothyroidism.
김정수,정봉남,조점덕,이신호,김재현,김진영 한국식물병리학회 2006 식물병연구 Vol.12 No.2
Tomato spotted wilt virus (TSWV) was occurred newly on the 4 ornamental plants of Impatiens balsamina (Balsam), Dahlia variabilis (Dahlia), Callistephus chinensis (Aster) and Zinnia elegans (Indian lilac) at Anyang area in Korea. TSWV produced the typical symptoms of single or double ring spots on the leaves and induced usually necrosis, wilt and/or severe mosaic.