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단무지 공장에서 발생한 질식 사고의 원인과 방사선학적 소견: 중례보고 및 가스분석 결과
박충기,김만구,김흥철,안범규,박만수,황우철,최철순,강익원 江原大學校 附設 環境硏究所 1994 環境硏究 Vol.11 No.-
목 적:단무지 공장에서 질식사고를 일으켰던 가스의 종류를 알아내고, 이러한 가스중독의 방서선학적 소견을 소개하기 위하여 본 연구를 하였다. 대상 및 방법:단무지 공장에서 발생한 질식 사고자 3예중 생존자 1예를 대상으로 단순흥부X-선검사와 CT 소견을 분석하였으며, 가스의 종류를 알아내기 위하여 단무지를 유리병에 넣어 발생된 가스를 가스크로마토그래픽을 이용하여 분석하였다. 결 과:단무지 공장에서 발생한 질식사고자중 생존한 1명의 방사선학적 검사에서 신속히 호전되는 폐경결(consolidation)을 볼 수 있었으며 이는 폐부종의 소견임을 알 수 있었다. 협기성 상태에서 단무지를 담은 유리병의 상층부 가스를 실험 분석한 결과 이산화탄소, 에칠알코올이 다량으로 검출되었으나 독성가스는 주로 황화수소이였다. 결 론:단무지 공장의 질식 사고자에서 폐방사선학적 소견은 폐경결을 보이는 폐부증으로서 이는 실험을 통해 단무지에서 발생되는 유독가스인 황화수소 때문임을 입증하였다. Purpose: To identify the main toxic gas released from salted radish in rice bran(Dan-M-Ji) and to introduce the radiological findings of the patient who was exposed to the gas. Materials and Methods: Chest radiographs and CT scans of one survivor among three men who were exposed to the gas from Dan-Mu-Ji were reviewed. Gas obtained from the closed bottle containing Dan-Mu-Ji was analized by using the gas chromatography. Results: The radiographlc examinations of the survivor were suggestive of pulmonary edema with it's rapidly improving consolidations in both lung. The headapace gas within the bottle containing Dan-Mu-Ji was mainly composed with carbon dioxide, ethyl alcohol and hydrogen sulfide, of which hydrogen sulfide was considered the main toxic gas released. Conclusion: Under the anaerobic condition, Dan-Mu-Ji released toxic hydrogen sulfide. Inhalation of hydrogen sulfide might produce non-cardiogenic pulmonary edema.
벼의 粒重增大에 의한 收量性向上에 關한 硏究 Ⅱ. 벼 粒重과 粒長에 대한 遺傳分析
Heung Goo Hwang(黃興九),Jae Keun Sohn(孫再根),Soo Kwan Lee(李壽寬) 한국육종학회 1987 한국육종학회지 Vol.19 No.2
Six parent varieties and 15 F₁ hybrids of 6x6 partial diallel crosses were used in genetic study which was carried out to obtain basic informations on the breeding for high yielding rice varieties by increasing grain weight. Variance for general combining ability (GCA) and specific combining ability (SCA) were significant for all characters studied. GCA/SCA variance ratio indicated the additive gene effects were more important for all grain size characters. CGA effect of BG29, 5178 were highly positive, however Bomdia, IR 747 B2 were highly negative for all characters. In the analysis of variance, additive gene effects were more prevalent than dominant effects. Vr-Wr graph showed that short and small grain had partial dominance and the degree of dominance for all characters also pointed out that the grain character are mainly controlled by additive genetic factors. Estimared heritabilities for those characters were high in diallel-crossed F₁.
Expression of oncostatin M in chronic obstructive sialadenitis of the submandibular gland.
Lee, Heung-Man,Cho, Jae-Goo,Kang, Hee-Joon,Chae, Sung-Won,Hwang, Soon-Jae,Jung, Kwang-Yoon,Woo, Jeong-Soo Annals Pub. Co 2008 Annals of Otology, Rhinology & Laryngology Vol.117 No.5
<P>OBJECTIVES: We investigated the expression of oncostatin M messenger RNA (mRNA) and protein in normal submandibular glands and those with chronic obstructive sialadenitis and localized the expression of oncostatin M protein. METHODS: Submandibular glands from 10 patients with chronic obstructive sialadenitis as a study group and 10 normal submandibular glands as a control group were examined. Oncostatin M mRNA extracted from submandibular gland was used for reverse transcription-polymerase chain reaction and analyzed semiquantitatively. The difference in expression level of oncostatin M protein between the 2 groups was analyzed through Western blot analysis, and oncostatin M protein was localized immunohistochemically. RESULTS: The expression levels of oncostatin M mRNA and protein were significantly increased in the study group. The protein was predominantly localized in ductal epithelia and infiltrating inflammatory cells and was more strongly expressed in the study group also. CONCLUSIONS: Oncostatin M is expressed in both chronic obstructive sialadenitis and normal submandibular gland, and is up-regulated in chronic obstructive sialadenitis. These results suggest that oncostatin M is involved in the pathologic process of chronic obstructive sialadenitis. However, the physiologic role in normal glands, as well as a possible role in the development of chronic obstructive sialadenitis, remains to be elucidated.</P>
Comprehensive and synthetic inventory of Dokdo Island, Republic of Korea
Ui Wook Hwang,Hyun Soo Rho,Bia Park,Eun Hwa Choi,Cho Rong Shin,Sa Heung Kim,Jongrak Lee,Hack Cheul Kim,Mann Kyoon Shin,Taeseo Park,Jumin Jun,Heegab Lee,Jong Eun Lee,Yoon Sik Oh,Jung-Goo Myoung,Chang G The National Institute of Biological Resources 2023 Journal of species research Vol.12 No.no.spc
This study aims to establish a comprehensive, synthetic inventory system for the fauna and flora of Dokdo Island, Republic of Korea, which has been conducted by a specialized research group consisting of more than 50 experts. The research was conducted over five years(2015-2019) and supported by the National Institute of Biological Resources, Ministry of Environment, Republic of Korea. All possible publications on the fauna and flora of Dokdo Island over the last 68 years from 1952 to 2020 were reviewed. As a result, 1,302 species were found on Dokdo Island during the study period. An updated list of 1,963 species was created. This is expected to be of great help for the conservation and national publicity of important indigenous biological resources of Dokdo Island.
Interferon-γ Enzyme-Linked Immunospot Assay in Patients with Tuberculosis and Healthy Adults
( Cheol Hong Kim ),( Jong Yeop Kim ),( Yong Il Hwang ),( Chang Youl Lee ),( Jeong Hee Choi ),( Yong Bum Park ),( Seung Hun Jang ),( Heung Jeong Woo ),( Dong Gyu Kim ),( Myung Goo Lee ),( In Gyu Hyun ) 대한결핵 및 호흡기학회 2014 Tuberculosis and Respiratory Diseases Vol.76 No.1
Background: Interferon-γ assays based on tuberculosis (TB)-specific antigens have been utilized for diagnosing and ruling out latent TB and active TB, but their utility is still limited for TB incidence countries. The aim of this study is to understand the clinical utility of enzyme-linked immunospot (ELISpot) assays among patients with clinically suspected TB and healthy adults in clinical practices and community-based settings. Methods: The ELISpot assays (T SPOT.TB, Oxford Immunotec, UK) were prospectively performed in 202 patients. After excluding those with indeterminate results, 196 were included for analysis: 41 were TB patients, 93 were non-TB patients, and 62 were healthy adults. Results: The sensitivity and negative predictive values of the T SPOT.TB assays for the diagnosis of TB were 87.8% and 89.1%, respectively, among patients with suspected TB. The agreement between the tuberculin skin test (10-mm cutoff) and the T SPOT.TB assay was 66.1% (kappa=0.335) in all participants and 80.0% (kappa=0.412) in TB patients. Among those without TB (n=155), a past history of TB and fibrotic TB scar on chest X-rays were significant factors that yielded positive T SPOT.TB results. There was a significant difference in the magnitude of T SPOT.TB spot counts between TB patients and non-TB patients or healthy adults. Conclusion: The T SPOT.TB assay appeared to be a useful test for the diagnostic exclusion of TB. A positive result, however, should be cautiously interpreted for potential positives among those without active TB in intermediate TB incidence areas.
Cytological Characterization of Interspecific Hybrids in Rice (Oryza sativa L.)
Eung Gi Jeong,Darshan S. Brar,Kyung Ho Kang,Heung Goo Hwang,Kshirod K. Jena,Ho Yeong Kim,Sang Nag Ahn,Gihwan Yi,Min Hee Nam 한국육종학회 2005 한국육종학회지 Vol.37 No.1
The wild species of Oryza are an important source of useful genes for resistance to biotic and abiotic stresses in rice. In this study, wide hybridization was used to widen the genepool of japonica rice cultivars. Interspecific crosses were made between three japonica rice cultivars and four wild species of the genus Oryza. Hybrids were produced normally through crosses between O. sativa (AA genome) and O. rufipogon (AA genome). However, hybrids between O. sativa and other distantly related wild species such as O. officinalis (CC genome), O. minuta (BBCC genome), and O. alta (CCDD genome) were produced following hybridization and embryo rescue. The hybrids were intermediate in their morphological characters, compared with the parents of cultivated and wild species. The hybrids between O. sativa and O. rufipogon were partially sterile but the hybrids between O. sativa and O. officinalis, O. sativa and O. minuta, O. sativa and O. alta were completely sterile. Cytological analysis of the interspecific hybrids, AA x CC, AA x BBCC, AA x CCDD showed irregular meiosis with predominant occurrence of univalents and unequal distribution of chromosomes at anaphase 1 of meiosis. Genomic In-situ Hybridization (GISH) analysis showed the presence of O. minuta chromosomes in the F₁ hybrids between O. sativa and O. minuta cross.
Ho Yeong Kim,Sang Jong Lim,Sae Jun Yang,Woon Goo Ha,Heung Gu Hwang,Byeong Geun Oh,Un Sang Yeo,No Bong Park,You Chun Song,Do Yeon Kwak,Jong Rae Kang,Ki Hwan Yi,Jae Ki ChangJeo 한국육종학회 2003 한국육종학회지 Vol.35 No.1
Areumbyeo', a second generation Tongil-type rice variety (Oryza sativa L.), has been developed at National Yeongnam Agricultural Experiment Station (NYAES) from 1983 to 1999 and released in 2000. A single cross between YR3299-34-2-2 and Suweon 318 (was co
A New High Yielding Rice Variety with Multi-resistance to Diseases "Sujinbyeo"
Sang Jong Lim,No Bong Park,Do Yeon Kwak,Heung Gu Hwang,Ho Yeong Kim,Un Sang Yeo,Sae Jun Yang,Jong Rae Kang,You Cheon Song,Jeom Sik Lee,Jae Ki Chang,Woon Goo Ha,Byeong Geun Oh 한국육종학회 2003 한국육종학회지 Vol.35 No.1
Sujinbyeo', a new mid-late maturing japonica rice variety (Oryza sativa L.), was developed by the rice breeding team of National Yeongnam Agricultural Experiment Station (NYAES) in 1999 and released in 2000. This variety originated from a three way cross