選擧區의 劃定과 平等保護

鄭鍾學,文鍾旭 忠南大學校 法學硏究所 1995 法學硏究 Vol.6 No.1

중부지역 옥수수 파종기에 따른 생육단계 및 수량성 변화

서종호, 문중경, 정건호, 서민정, 구자환, 박장환, 배환희, 신성휴, 권영업 忠北大學校 農業科學硏究所 2014 農業科學硏究 Vol.30 No.2

Maize hybrids were planted on April 1, April 25, May 20 and June 15 in 2012, 2013 at the experimental paddy and upland fields in Suwon city , respectively to know changes of growth stage and yield according to different planting time. Maize planting on April 1 was not recommended because total growing days at planting on April 1 was not different with that at planting on April 25 due to many days from planting to emergence over 20 days at planting on April 1. Total growing days were not much different among three planting time after April 25 because days from silking to maturity was lengthened though days from planting to silking was shortened at later planting time. Stalk weight was decreased as planting time was delayed, particularly at planting times after May 20 at paddy field by excess water injury during early growth stage. But, grain yield was not low as in May and June. It is needed to introduce early maturity maize variety as Yanganok at late planting for higher grain yield and enough time for soil preparation for next winter crops

백서에서 신 허혈성 손상에 미치는 칼슘 길항제의 효과

문철웅,정종훈,박천국,이승일,배학연,장경식,김만우,정춘해,홍순표,이병래,김호중 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1

Renal ischemia is one of the most common causes of acute renal failure. Four factors related to the pathogenesis of acute renal failure are vasoconstriction, decreased glomerular filtration rate, tubular back leak of filtrate, and intratubular obstruction. The cellular response to renal ischemic insults include decreased content of adenosine trihosphate, lipid peroxidation induced membrane degradation, alteration in cellular pH, and calcium or phospholipase induced mitochondrial dysfunction. Much attention has been given to the role of increased cellular calcium as a pathogenetic contributor to cell injury during ischemia. Author studied the protective effects of calcium antagonists on cellular injury during renal ischemia in rat. To investigate the protective role of these agents, author measured the amount of malondialdehyde(MDA) and the enzyme activities of free radical scarvengers-superoxide dismutase(SOD), catalase and glutathione peroxidase from non-pretreated group and calcium antagonists pretreated groups in control, ischemia and reflow subgroups. The results were summerized as follows: 1) The amount of MDA in non-pretreated group was higher in the reflow compared with the control(<p<0.01). But, in all pretreated groups, there was no statistically difference in the amount of MDA. 2) The SOD activity in non-pretreated group was lower in both the ischemia and the reflow compared with the control (P<0.05). But, in both verapamil and trifluoperazine-pretreated groups, there was no statistically difference in the SOD activity. 3) Both catalase and glutathione peroxidase activities in non-pretreated group were lower in both the ischemia and the reflow compared with the control (P<0.05). But in all pretreated groups, there was no statically difference in both catalase and glutathione peroxidase activities. These results suggest that free radical mediated ischemic injury by renal artery clamp in rat can be protected by intraperitoneal pretreatment with calcium antagonists. As trifluoperazine has a protective effect in renal ischemia, the calcium activated calmodulin dependent enzyme may play a role in renal ischemic injury.

수입 외국산 모발세정용 화장품의 중금속 농도에 관한 연구

문정아,문덕환,박명희,안진홍,김종은,손병철,김대환,이창희,김휘동,이채언 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.5

Objective : For the purpose of preparing the fundamental data and preventing the health impairment due yo heavy metals in hair cleaner. Methods and Material : The author determined the concentration of heavy metals(Fb, fn, Cr, Ni and Cu) in hair cleaner with flameless atomic absorption spectrophotometer. Results : The results were as follows : 1. The mean concentration of heavy metals in total hair cleaner were 0.046㎍/g for Pt, 0.O67㎍/g for Mn, 0.069㎍/g for Cr, 0.046㎍/g for Ni, and 0.022㎍/g for Cu, respectively. 2. There was not statistically significant difference to mean concentrations of each heavy metal in hair cleaner by producing nation. 3. The highest mean concentration of each heavy metal in hair cleaner by type of use were 0.140㎍/g for Mn in sensitive hair cleaner(p<0.05), 0.053㎍/g for Cu in others products(p<0.01). 4. The mean concentration of heavy metals in hair cleaner by type of hair cleaner were high at 0.O54㎍/g for Pb in shampoo products(p<0.O5), 0.120㎍/g for Cr and 0.06㎍/g for Cu in combination products(p<0.01). 5. The mean concentration of heavy metals in hair cleaner by acidity were high at 0.056㎍/g for Pb, 0.124㎍/g for Cr, and 0.032㎍/g for Cu in alkali products (p<0.05). 6. Correlation coefficient of heavy metal concentration in hair cleaner were 0.175 for Pb and Cr, 0.165 for Pb and Mn, 0.824 for Cr, and Mn, 0.189 for Cr, and Ni, 0.406 for Cr, and Cu, 0.197 for Mn and Ni, and 0.375 for Mn and Cu(p<0.05). 7. Exposure amount of heavy metals per when we used lOg of hair cleaner (onetime using amount) were 0.46㎍ for Pb, 0.67㎍ for Mn, 0.69㎍ for Cr, 0.46㎍ for Ni, and 0.22㎍ for Cu, respectively. Conclusion : As above results, there was very low level concentration of heavy metal in hair cleaner but we are using the hair cleaner everyday, therefore we can exposed to heavy metals as cronic exposure so the author suggest to prepare the program of preventing the health impairment due to heavy metals.

부산광역시 일부하천의 계절적·년도별 수질특성 비교분석

정유진,문종익,성낙창,김부길,이영형 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.1

This study is carried out to investigate the water quality change trends in Pusan Metropolitan streams. The temperature of the streams are moderate except in winter period and this can be explained by the Korean meterological characteristics. The pH does not vary by the time but some points are a little low. BOD_(5) and COD_(Mn), the index of water contaminants, be shown as characteristic domestic waste water patterns. The nutrient matters, such as total nitrogen and total phosphate, are appeared to be low. The chronic water quality, as BOD_(5) and COD_(Mn), shows that the loading rates in 1998 are smaller than the past(1983, 1992). Some points show a little high loading in autumn, but this needs more investigation to make clear the cause(s).

화상처리를 이용한 물체의 운동 파라미터 추정

정남채,문용선,박종안 조선대학교 생산기술연구소 1996 生産技術硏究 Vol.18 No.2

In case a robot works in space of gravity-free state, it is difficult to estimate object motion parameters because of control problem of itself and moving objects. The nature and parameters of short term motion can be estimated continuously with the goal of understanding motion through the image processing. This paper proposes a method which solves correspondence of feature points when we estimate object motion parameter from image information of freely moving objects in space of gravity-free state. Replacing the inertial coordinate system with the camera coordinate system which is equipped within a space robot, computer simulation results are investigated to be able to analyze a problem of correspond points from image information, and to obtain sequence of angular velocity ω which determine a motion of object.

多衆 物體가 움직이는 動映像에서 自動的인 特徵點 抽出 및 追跡

정재영,권갑현,나종회,김문현 成均館大學校 科學技術硏究所 1997 論文集 Vol.48 No.2

In this paper, we propose attributed feature point correspondence algorithm applicable to the problem that the different number of feature points are extracted in each frame containing multiple moving objects. An object can be rigid or nonrigid. The algorithm consists of three parts: attributed feature extraction, hypothesis of the corresponding pairs by feature matching, verification by common motion constraint and intensity smoothness constraint. Firstly, the feature extraction algorithm finds the maximum curvature points on the object boundary around local area and calculates several attributes for each feature point. And then, the feature points between consecutive frames are matched by comparing their attributes and the matching coefficients are computed. The matching pairs with the matching coefficients higher than the threshold are accumulated on the DP(Displacement Plane) or AL(Angle Line) dependent on the displacement or the rotational angle between two feature points. The only matching pairs of the maximum value around the local area on the DP or AL are remained because they are feature points on the real moving object Finally, the triangle matching technique is applied to 1:m correspondence pairs to find 1:1 correspondence pairs with the maximum correlation of intensity. The feature pointy tracking results for the synthetic and real image sequences are shown.

柴胡가 free radical에 의한 脂質過酸化物 生成에 미치는 效果

문진영,최미정,남경수,임종국 동국대학교 경주대학 1996 東國論集 Vol.15 No.-

Antioxidant effects of aqueous Siho extract on lipid peroxidation were determined by TBA value and also by lipid peroxidation value during the autoxidation of Iinoleic acid. Siho extracts exhibited markedly antioxidant aCtivity, which inhibited 99% of linoleic acid peroxidation. And Siho extracts showed 42% scavenging effect on α,α-dlphenyl-β-pjcrylhydrazyl radical, also exhibited a 60-94% inhibitory effect on superoxide generation. Siho extracts dose-dependently protected the cell death induced by tert-butyl hydroperoxide (t-BHP) and significantly increased cell viability In the normal rat liver cell(Ac2F) . These results suggested that Siho might play a protective role in lipid peroxidation by free radicals. Key Words: lipid peroxidation ; Siho extracts; scavenging effect

Helicobacter pyloir 양성 소화성 궤양에서 lansoprazole 포함 삼제요법의 제균율 및 제균판정에 있어서 요소호기검사의 유용성

정혜경,곽재진,유민아,배기선,권정미,이종수,김도영,문일환 대한감염학회 2003 감염과 화학요법 Vol.35 No.3

목적 : 본 연구는 Helicobacter pylori (이하 H. polyri) 양성인 소화성 궤양 환자에서 lansoprazole 포함 삼제요법의 제균율을 알아보고, 제균 치료 후 제균 판정에 있어서 요소 호기 검사(Urea breath test, 이하 UBT) 및 신속요소분해(rapid urease test, 이하 RUT test)와의 일치율에 대하여 알아보고자 하였다. 방법 : 상부위장관내시경 검사에서 H. polyri 양성인 소화성 궤양환자에서 lansoprazole 60㎎+amoxicillin 2g+clarithromycin 1g의 약제를 2회 분복하여 1주간 복용하는 삼제요법을 실시하였다. 최소 4주후 추적 상부위장관내시경을 실시하였고, 전정부와 체부에서 각각 RUT를 실시하였으며 UBT(5분, 20분)를 시행하였다. 결과 : 대상환자는 총 46명으로 남자 34명(48±13세), 여자 12명(53±14세)이었다. LAC 삼제요법의 제균율은 40/46명(87.0%)이었고, 궤양의 치유율도 42/46명(91.3%)이었다. RUT와 20분 UBT 결과가 모두 음성이었던 경우는 41예, 모두 양성이었던 경우는 4예로 RUT와 UBT는 97.8% (45/46)의 일치율을 보였고, 1예는 UBT는 음성이었으나 체부에서 시행한 RUT가 양성이었다. 5분 UBT 검사가 양성이었던 예는 14/34 (41.2%) 이었고, 이 14예 중 12예(85.7%)는 20분 UBT 검사 음성, RUT 음성이었다. 결론 : Lansoprazole과 amoxicillin, clarithromycin 1주일 병합요법은 H. polyri 양성인 소화성 궤양 환자에서 87.0%의 제균율을 나타내어 우수한 효과를 보였고, 요소호기검사는 제균 치료 후 제균 판정에 유용한 비침습적인 방법임을 확인할 수 있었다. Background : There are only a few studies on Helicobacter pylori (H. pylori) for its eradication rates of lansoprazole-based triple therapy in Korea, and the results are controversial. Therefore, we undertook to investigate the eradication rate of lansoprazole-based triple therapy, and compare the concordance rate of urea breath test (UBT) and rapid urease test (RUT) in evaluating H. pylori eradication. Methods : Patients with acute peptic ulcer who were H. pylori-positive were recruited by prospective, consecutive manner. They received lansoprazole 30 ㎎ b.d., amoxicillin 1 g b.d. and clarithromycin 500 ㎎ b.d. for 1 week. Upper endoscopy was performed after 4 weeks to check for ulcer healing, and UBT and RUT were performed to evaluate H. pylori eradication status. Results : A total of 46 patients were recruited, and they were all compliant. H. pylori eradication rate was 87.0% (40/46) and ulcer healing rate was 91.3% (42/46). Forty one patients showed negative in both UBT and RUT, and 4 patients revealed positive in both tests, therefore, the concordance rate of UBT and RUT was 97.8% (45/46). Conclusion : Our study showed that 1-week lansoprazole-based triple therapy was effective in H. pylori eradication and ulcer healing. UBT can be an effective, noninvasive method for evaluating H. pylori status after H. pylori eradication.

몰리브덴酸 비스무트의 生成機構 및 結晶構造에 관한 硏究

鄭守泰,李鍾文 釜山工業大學校 1982 論文集 Vol.23 No.2

In the Bi₂O₃-MoO₃ two component system oxide the following compounds were indentified: (1) Bi₂O₃-MoO₃=Bi₂MoO??=(BiO)₂MoO₄ m.p. 670℃ (2) 2 Bi₂O₃-MoO₃=Bi₄MoO?? m.p. 940℃ These compounds were found by investigation of the phase diagram of the Bi₂O₃-MoO₃binary system by means of D.T.A. (Differential Thermal Analysis). X-ray diffraction analytical studies of sintered mixtures in this system confirmed the existence of the two compounds. A compound Bi₂O₃-2MoO₃could not be deteched.