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기름골의 품질관련 특성 평가 : Cyperus esculentus L., var sativus Boeck
송진,방진기,박희운,이승은,박남규 한국국제농업개발학회 2002 韓國國際農業開發學會誌 Vol.14 No.4
기름골의 일반적인 이화학성분과 기름을 추출하여 기름의 특성을 평가한 결과를 요약하면 다음과 같다. 1. 기름골의 일반성분 중 조지방과 조섬유의 함량은 각각 22.4%, 13.3%이고, 총 아미노산 함량은 6,882.4㎎%로 cystein과 isoleucine의 함량이 1,572㎎%, 905㎎%로 가장 높았다. 2. 기름골 전분의 아밀로스 함량은 46.9%였고, RNA 측정결과 최대, 최저 및 최종점도는 각각 451, 280 및 375RNA였다. 3. 기름골 기름의 산가와 과산화물가는 2.1, 6.2meq/㎏이며 지방산 함량은 oleic acid가 70%를 차지하였다. 4. 기름골 기름의 토코페롤 측정결과 α, β, γ, δ가 모두 검출되었고, 그 중 α-tocopherol이 약 15㎎%로 가장 많이 함유되었다. 5. GC/MS를 이용하여 향기성분을 분석한 결과 주된 향기성분은 2.5dimethyl pyrazine으로 약30%를 차지하였다. The objective of this study were to evaluate quality characteristics of the chufa tuber and its oil. The results are summarized as follows : Crude fat, crude fiber and total amino acid were 22.4%, 13.3% and 6.882㎎% of the chufa tuber, respectively. Amylose content of chufa starch was 46.9% and maxium. Minimum and final viscosity of amylogram characteristics in chufa starch were 451, 280 and 375 RVA, respectively. The acid value of oil was 2.1 and peroxide value was 6.2meq/㎏. The content of oleic acid, a major fatty acid in chufa oil, was 70%. Four type of tocopherol were detected and α-tocopheral was shown to be the major tocopherol. The volatile component was measured by GC/MS. 2.5-Dimethyl pyrazine was the dominant volatile component in the whole chufa oil.
민병운,최면송,이승재 明知大學校 産業技術硏究所 1999 産業技術硏究所論文集 Vol.18 No.-
When faults occur in power systems, the protective relay plays a roles of protecting power systems according to its setting values. There it is important that the protective relay have high selectiveity and sencitivity performance in power system by correct setting the relays. This paper proposed a method to testify the reliability of digital relay as simulating the response of relay at the faults in the real power system operation environment.
農業副産物을 이용한 廢水중의 Cr( Ⅵ) 및 Cd(Ⅱ)이온의 除去
朴勝祚,宋運坤 동아대학교 환경문제연구소 1986 硏究報告 Vol.9 No.1
This study was carried out in a batch and a continuous apparatus to removal Cr(Ⅵ) and Cd(Ⅱ) using formaldehyde -H₂SO₄ treated agricultural by-products as an adsorbents. Some results obtained are summerized as followings: 1. The best one of five adsorbents is Formaldehyde· H₂SO₄ treated Saw Dust in batch adsorption tests. 2. Equilibrium relations between adsorbents and adsorbates was concided in Freundlich equation.(0.15≤1/n≤0.47) 3. Adsorption rate of Formaldehyde· H₂SO₄ treated Saw Dust was not effected more or less by pH and adsorbed Formaldehyde· H₂SO₄ treated saw Dust showed desorption rate of about 80%. 4. Excellent conditions of a continuous adsorption apparatus are bed depth(15 ㎝), flew rate(255 ㎝/hr). 5. The adsorptive capacity of Formaldehyde· H₂SO₄ treated Saw Dust are 5.7㎎ Cr(Ⅵ)/FTSD g and 55㎎ Cd(Ⅱ)/FTSD g in a continuous adsorption tests.
119구급대를 통한 서울지역 외상환자 진료체계에 대한 통계분석
서길준,이승한,조익준,권운용,송형곤,이중의,윤여규 대한응급의학회 2001 대한응급의학회지 Vol.12 No.2
Backgroud: Despite continous efforts to improve the prehospital trauma care system in Korea, the preventable death rate has been reported to be high. The purpose of this study was to evaluate the prehospital trauma care system in Seoul by analyzing 119 rescue databases. Methods: The 119 rescue data bases of 22,275 trauma patients, who were transported to the secondary and tertiary hospital in Seoul by Seoul 119 rescue services from January 1, 2000 to December 31, 2000, were analyzed. Results: The response time(mean 3.7 min.) showed no time, weekly, and regional variations. However, the transport time from field to hospital showed was high in the morning rush hour(7:00 to 10:00 am), and was gradually decreased and the lowest between 10:00 pm and 7:00 am. There was also a regional variation in the transport time, which was short in the central area and long in the peripheral area of Seoul. Prehospital cares were given to the 10,999 trauma patients(49.4%). Of the 464 unresponsive patients(2%), only 236 patients were identified in transported hospitals. The outcomes of these unresponsive patients were DOA(54%), survival(19%), death in ER(14%), transfer to other hospitals(8%), and death after admission(5%) in order. Conclusion: We suggest that this study may be helpful to the establishment and improvement of the prehospital trauma care system as well as the determination of the adequate numbers and locations of trauma center in Seoul.
김성렬,조영일,이해운,이정연,안해련,송종오,명승운 건국대학교 의과학연구소 2002 건국의과학학술지 Vol.12 No.-
Gitelman's syndrome is a rare disorder with a characteristic set of metabolic abnormalities. These include hypokalemia, metabolic alkalosis, hypocalciuria and hypomagnesemia. The clinical manifestations of Gitelman's syndrome are very similar with those of Bartter's syndrome and diuretic abuse. Gitelman' syndrome and Bartter's syndrome can be distinguished by renal clearance study after administration of furosemide and thiazide, since the primary defect in each of these disorders is an impairment in sodium reabsorption in the distal tubule and loop of Henle, respectively. Pseudo-Bartter's syndrome due to diuretic abuse can be distinguished by history of diuretic use and a positive urine assay for diuretics. We have experienced a case of pseudo-Gitelman's syndrome in 56-year old woman with unexplained hypokalemic metabolic alkalosis, hypocalciuria, and hypomagnesemia. The patient denied ingestion of diuretic medication. The results of renal clearance study using furosemide and thiazide in this case suggested the presence of the primary defect of sodium reabsorption in the distal tubule rather than in the loop of Henle. These clinical and laboratory findings were consistent with those of Gitelman's syndrome. But, this case was confirmed as pseudo-Gitelman's syndrome since diuretics were detected by a urine assay for diuretics. Furosemide and hydrochlorothiazide were contained in the pill that she had been taking due to constipation. Herein, we report the case of pseudo-Gitelman's syndrome by abuse of cathartics containig diuretics presented as Gitelman's syndrome in renal clearance study.