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주유철,이동민,양종태,신병철,임태영,서정균,정기영,최동헌,김원,조영신,고희관 조선대학교 2001 The Medical Journal of Chosun University Vol.26 No.2
Background and Objectives : Palindromic rheumatism (PR) is known to be triggered without any obviously inciting events in most patients, although, in a few cases, attacks have been noted to relate to another events such as weather change, childbirth, ingestion of certain foods, or over-exercise. The aim of this study was to characterize the triggering factors on palindromic attacks. Materials and Methods : We evaluated sixty-four patients with PR for the presence of triggering factors and the relationship between attacks and triggering factors by interview of patients. We considered that there was an probable association between episodes and PR, if episodes within 24 hours prior to PR had triggered at least 50% of all attacks and a definite association between episodes and PR, if episodes within 24 hours prior to PR had triggered 100% of all attacks. Results : In 15 patients (35.9%), there was a possible association between episodes of PR and initiating events. In 8 patients (12.5%), there was a definite association between episodes of PR and initiating events. The triggering factors were physical over-activity including exercise (19/64: 29.7%), foods, such as rawfish, crab, and chicken, including alcohol (19/96: 19.8%). However, there were no difference between the groups with and without the triggering factor in sex ratio, duration and onset of PR, the positive rate of rheumatoid factor and involved sites. Conclusion : Our observations showed that PR was triggered by physical over-activity more than in previous reports and hypersensitivity to foods was a causative factor in some patients with PR. However, patients with triggering factors had a similiar clinical profile to patients without triggering factors.
6개원소로 이루어진 짝이중결합화합물과 AsCl_3와의 반응
주완철,육명화,김용주 成均館大學校 科學技術硏究所 1983 論文集 Vol.34 No.2
6개의 원소로 이루어진 오르토히드록시짝이중결합화합물, 즉 시남알데히드-오르토-히드록시아닐(cinnam-aldehyde-ortho-hydroxyanil), 벤질모노히드록시아닐(benzil-mono-hydroxyanil), 오르토-히드록시벤잘아세톤페논(ortho-hydroxy benzalacetophenone)과 알진트리클로라이드(AsCI_3)와의 반응으로부터 고체반응생성물을 분리해 냈다. 이들 반응생성물의 적외선 및 자외선분광학으로부터, 이들 모든 반응생성물은 비소의 전하이동착물임을 획인했다. 이 반응으로부터 3원자가 비소화합물의 화학적거동이 인의 3원자가 화합물과 유사하지 않다는 것을 알 수 있었다. Solid products were isolated by the reaction of orthohydroxy-6-membered conjugated system such as cinnamaldehyde-ortho-hydroxyanil, benzil-mono-orthohydroxyanil and ortho-hydroxybenzalacetophenon with AsCl_3. All of these products were confirmed to be Charge-transfer complexes of As from the examination of IR and UV spectra. It could be found that the chemical behavior of trivalent As is not analogous with that of triv alent P.
김영철,박석주 조선대학교 사범대학 부설 교과교육연구소 2001 敎科敎育硏究 Vol.4 No.1
In this paper, we investigate the function unils of mathematic curriculum in the middle school and reconstitute the systematization of teaching program of the function units.
불안의 형성과정에 있어서 뇌 Cholecystokinin의 역할
김영훈,심주철 대한생물치료정신의학회 1995 생물치료정신의학 Vol.1 No.2
Cholesystokinin(CCK) is one of the most abundant neuropeptides and its receptors are widely distributed throughout the central nervous system, especially in hypothalamus, limbic system, basal ganglia, hippocampus and cortex. CCK is co-localized or interacts with dopaminergic, noradrenergic, GABAergic and serotonergic neurotransmitter systems. lts functional roles are not fully defined, but it appears to mediate anxiety and it may participate in satiety, nociception and drug withdrawal. CCK/dopamin neurons in ventral tegmental area project their long pathways to limbic system and striatum and their roles in the pathogenesis of dopamine-related disorders such as schizophrenia are shortly described in this article. Cholecystokinin tetrapeptide(CCK-4) is suggested to have a potent panicogenic property in human. Both clinical and animal research suggests that ?? receptors mediate the panicogenic effects of CCK-4 and their antagonists provide an important advance in the treatment of anxiety disorder. The possible involvement of CCK in the pathogenesis of panic disorder is described briefly. The antagonistic action of imipramine on CCK-4-induced panic and that of 5-HT₃ on CCK release in nucleus accumbens are discussed. As described above, there is growing speculations that CCK might be implicated in the neurobiology of anxiety and its receptor agonists could be used in the treatment of anxiety in future.
1-Silacyclopentadiene으로부터 Silylene을 합성하는데 대한 연구
공영건,주완철 成均館大學校 科學技術硏究所 1983 論文集 Vol.34 No.1
1-Spiro(tetraphenyl-1-silacyclopentadiene) was obtained from the reaction of 1, 2, 3, 4-tetraphenylbutadiene anion with tetrachlorosilane in ether. This spiro compound is treated with phenylacetylene at 350℃ in sealed tube. From this reaction, pentaphenylbenzene and polymer like silicon compound which are byproducts of silylene formation, are isolated. The reaction product which must be formed from the reaction of silylene and phenylacetylene, is now under investigation.
식품(과일 및 한약재) 폐기물에 의한 물 중 Cd^2+, P^b2+ 제거효과
김주영,오경철,백승화 한국식품영양학회 1999 韓國食品營養學會誌 Vol.12 No.6
과일 및 한약재 폐기물을 이용하여 중금속 제거력을 조사하기 위하여 Cd. Pb용액에서 사과껍질. 모과, 밤내피(밤 친 껍질). 인삼, 키위껍질. 대추. 원두커피 가루의 입자별, 농도별, 온도별 흡착 정도를 조사한 결과는 다음과 같다. 입자의 크기가 작아질수록 사과껍질을 제외한 모든 폐기물에 있어서 중금속 흡착력은 증가되었고, 중금속별 제거량은 Cd는 인삼폐기물이 3.506∼4.659㎎/g, Pb은 밤 친 껍질이 9.189∼9.582㎎/g으로 다른 과일 및 한약재 폐기물보다 높았다. 농도별 중금속 흡착량은 중금속의 농도가 높을수록 증가하였는데 Cd은 인삼 폐기물이 1.929∼3.800㎎/g. Pb은 밤 친 껍질이 0.930∼9.3685㎎/g으로 다른 과일 및 한약재 폐기물보다 높았다. 온도별 중금속 흡착량은 온도가 높아질수록 증가하여 Cd은 인삼폐기물이 3.800∼5.091㎎/g Pb는 밤 친 껍질이 9.368∼9.613㎎/g으로 다른 과일 및 한약재 폐기물보다 증가하였다. 이상의 결과로부터 물에 함유된 중금속을 제거하는데 과일 및 한약재 폐기물을 이용할 수 있을 것으로 생각된다. To investigate Cd and Pb removability by the waste materials of fruit and oriental herb's (apple peel. fruit of Chinese quince, chestnut-endoderm, ginseng, kiwi peel. Jujube after boiling, powder after brew coffee) in the heavy metal solution, Cd and Pb removability of seven kinds of fruit and oriental herb's waste was investigated in the various conditions particle size of fruit and oriental herb's waste(20, 40, 70 mesh), concentration of heavy metal(25, 50, 100 ppm) and reaction temperature(20, 30, 50℃). The removabilities by the fruit and oriental herb's waste solids were increased as the particle size decreased in except of apple peel powder, concentration of heavy metal increased, and reaction temperature increased, The Cd removal content at the condition of particle size, conentration and temperature by ginseng waste was highest that the range were 3.506 to 4.659㎎/g, 1,929 to 3.800㎎/g, 3,800 to 5.091㎎/g, respectively. The Pb removal content at the condition of particle size, conentration and temperature by chestnut-endoderm waste was highest that the range were 9.189 to 9,582㎎/g, 0.930 to 9.3685㎎/g, 9,368 to 9.613㎎/g, respectively. Of the seven kinds of fruit and oriental herb's waste materials, Cd and Pb removability by ginseng waste after boiling, chestnut-endoderm waste was highest, respectively.