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주유연,조상원,오광중,손병현 부산대학교 환경문제연구소 1994 環境硏究報 Vol.12 No.-
It appeared over all regions expect common life area that the pollutants level of soil heavy metals in Pusan and kyoung-Nam Province, was higher than the standard on in agriculture area. Especially, Atmosphere and waste area appeared much high and it necessitates monitoring these areas continually. Where we analyzed pollutants level of heavy metals in paddy soils in correspondence with Pusan, Ulsan, and Yangsan region, the order of Pb and Cd concentration were Yangsan 〉 Pusan 〉 Ulsan, the order of Cu and Zn were Yangsan 〉 Ulsan 〉 Pusan, the order of Hg and As were Ulsan 〉 Yangsan 〉 Pusan respectively. It appeared the whole concentration of heavy metals expect Hg and As were the highest ones in Yangsan. So, it was thought that special management should be needed. The analysis of correlation between heavy metals in soil showed that the correlation level between Cd and Pb, Cu and Pb and Zn, Hg and As was high in agricultural area and the correlation level between Zn and Pb, Cd and Hg, Cd and Cu was high but the one between Cd and As was low in atmosphere area. And the correlation between Pb and Cd, Hg and Zn, Hg and Cu was high but the one between Hg and Cu was low in waste area and the correlation level between As and Pb, As and Zn was slightly high but the one between Cd and Cu is low in water area.
유충열,김현주,이상일,김현욱 明知大學校 産業技術硏究所 1990 産業技術硏究所論文集 Vol.9 No.-
In the world of high speed computers, there are two main design philosophies-parallelism and pipelining. Pipelining is an effective method for reducing interchip communication while increasing performance. In this paper, we examine the pipeline handling strategy of RISC processors such as RISC Ⅱ, R2000, SPARC RISC CY7C600, and MC88100 in order to design MJU-DLX RISC in the future. Throughout the investigation, we determine the number of stage, number of register, and. control mechanism. Then, specification of MJU-DLX RISC has been presented for the future development.
Propylthiouracil 투여에 의한 갑상선 기능저하 흰쥐 조직에서 알코올 탈수소효소 활성의 변화
백상현,김동선,이창범,박용수,안유헌,김태화,기춘석,강주섭 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.2
Background: Thyroid hormone has been known to affect hepatic alcohol dehydrogenase (ADH) activity. Although the liver is the principal site of ethanol metabolism, stomach is also responsible in part for ethanol oxidation. The effects of thyroid hormone on ADH activity in gastric mucosa and other tissues of rats had not been previously examined. Method: The effects of thyroid hormone on liver, stomach, lung, and kidney ADH activities (nM of NADH/min/mg of cytosolic protein) have been investigated in male Sprague Dawley rats treated with propylthiouracil (50 mg/kg) for 14 days. Results: Whereas hepatic ADH activities were not changed by treatment with PTU(42.9(8.6 vs 45.2 (10.1), gastric ADH activities in PTU-treated rats increased by 258.8% of control rat (6.3 ( 0.6 vs 2.2 ( 1.2, p〈0.001). In the activities of other tissues, PTU treatment decreased lung ADH activity by 59.7% of control, and increased kidney ADH activities by 247.1% of control rats. Conclusion: These data suggest that hypothyroidism causes an increase of gastric alcohol metabolism, and that the increase of gastric ADH activity can partly restore the first pass metabolism of ethanol in hypothyroid rats.
웨딩헤어 관련 코디네이션의 이미지 지각 (Ⅰ) : 여대생을 중심으로 Based on Female University Students
정현주,한유정 한국의류학회 2003 한국의류학회지 Vol.27 No.7
This paper looks at perceived images of female university students concerned with various wedding hair coordination including wedding hair styles, veil details and fitting positions and head dresses. To design and experimental test of a wedding dress and hair coordination variables, the content analysis of magazines was performed and hair experts were interviewed. 17 stimuli representing the variables of wedding hair coordination were manipulated and included with hair styles(2), veil details(2), veil fitting positions(2), head dresses(2) and a wedding hat(1). The questionnaire of 445 was carried out and data were statistically processed. As a result, five images of wedding hair coordination were factors loaded, that is, favorable, decorative, smooth, personal and pretty one. Various main and interaction effects were found in images of it regarding to changing hair styles, different veil details and fitting positions and head dresses, favorable images, they affected by interactions between hair styles and veil details, hair styles and veil fitting positions, hair styles and head dresses and between veil details and the fitting positions, For personal images, interactions between veil details and the positions of veil fitting had effects on female students; for smooth images, That is, for hair style, female university students were influenced by favorable and smooth images; for veil details by decorative and smooth images; for the positions of fitting veil, by decorative and smooth images; for the positions of fitting veil, by decorative and favorable ones. Then the researcher examined effects by dual interactions between factors of wedding hair coordination. For decorative images, they were found influenced by interactions between hair styles and veil details and between hair styles and head dresses. For personal ones. interactions between veil details and the fitting positions; for pretty images, interactions between the fitting positions and head dresses. These findings will provide sellers of the wedding dress with the idea of how females to perceive wedding hair coordination according to the variation of it.
간호대학생의 정신간호학 실습이 요중 Na^(+), Cl^(-), K^(+), Ca^(++)에 미치는 영향
나현주,한유정 대한기초간호자연과학회 2001 Journal of korean biological nursing science Vol.3 No.2
This study was done to investigate the effect of the first experience of the clinical experience for psychiatric nursing on urinary Na^(+), Cl^(-), K^(+), Ca^(++) of the nursing students. We analyzed the urine of 36 students on curriculum who were students of D college in K city. The data were analyzed with SAS Statistical analysis was performed by using paired t-test, GLM. The second day group increased 18.56 at 8AM, 31.90 at 4PM in a case of Na^(+)(p=0.004). The second day group increased 27.61 at 8AM, 43.53 at 4PM in a case of Cl^(-)(p=0.009). The first day group increased 2.62 at 8AM, 7.09 at 4PM in a case of K^(+)(p=0.018). The second day group increased 3.69 at 8AM, 5.19 at 4PM in a case of K+(p=0.013). The second day group increased 20.65 at 8AM, 14.07 at 4PM in a case of Ca^(++)(p=0.033). There was a significant difference in Na^(+) according to group at 8AM(F=4.17, p=0.024) and 4PM(F=3.58, p=0.040). There was a significant difference in Cl^(-) according to group at 8AM(F=4.38, p=0.020) and 4PM(F=6.29, p=0.003). There was a significant difference in K^(+) according to group at 8AM(F=5.03, p=0.012). In conclusion, Na^(+), Cl^(-), K^(+), Ca^(++) may be used as a indicator of the amount of stress to improve the educational environment for the students.
Bacillus stearothermophilus KJ16이 생산하는 Cyclodextrinase의 정제와 효소특성
김병우,권현주,유동주 동의대학교 기초과학연구소 1999 基礎科學硏究論文集 Vol.9 No.1
Cyclodextrinase from B. stearothermophilus KJ16 that can produce both cyclodextrin(CD) glucanotransferase and cyclodextrinase was purified 87.6-fold with 7% yield by ammonium sulfate precipitation, DEAE-cellulose chromatography, Sephadex G-100 chromatography, and FPLC. The molecular weight of the purified enzyme was about 68,000 dalton by SDS-PAGE. The optimal pH and temperature were 6.0 and 55℃, respectively. The enzyme was stable at 50℃ for 2 hr and in the pH range of 5.5 and 8.5. The enzyme activity was inhibited strongly by mercaptoethanol, dithiothreitol, p-chloromercuribenzoate, N-bromosuccinimide, Cu^+2 and Hg^+2. The purified enzyme hydrolyzed CDs with γ-CD$gt;β-CD$gt;α-CD. The enzyme also hydroylzed linear maltodextrins and polysaccharieds, but the rates of hydrolysis for such substrates were slow as compared to that for γ-CD. The final degradation products with all substrates were maltose and glucose. Maltose was not further hydrolyzed.
Retropharyngeal Dissection during Nasotracheal Intubation: A Case Report
Hyun Ju Jung,Sie Hyun You,Jong Bun Kim,Young Moon Han,Kuhn Park Korean Society of Critical Care Medicine 2003 Acute and Critical Care Vol.18 No.2
Nasotracheal intubation is commonly performed for oropharyngeal or facial surgery. Although retropharyngeal dissection is a rare complication of nasotracheal intubation, serious sequelae may result. We report a case of a traumatic retropharyngeal dissection during nasotracheal intubation without untoward sequelae.