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이우석 ( Woo Suck Lee ),오영 ( Young Oh ),이세규 ( Sei Kyu Lee ),임정 ( Jung Lim ),강대헌 ( Dae Hun Kang ),정덕영 ( Duek Young Chung ) 대한내과학회 1973 대한내과학회지 Vol.16 No.2
Acute pancreatitis as associated with infections has been reported by many investigators. However clinically acute pancreatitis associated with typhoid fever has been rare as its causes. Two cases of acute pancreatitis associated with typhoid fever were ob
Nitroblue - Tetrazolium 환원실험의 진단적 의의
이우석 ( Woo Suck Lee ),오영 ( Young Oh ),이세규 ( Sei Kyu Lee ),임정 ( Jung Lim ),강대헌 ( Dae Hun Kang ),김정삼 ( Chung Sam Kim ),정덕영 ( Duek Young Chung ) 대한내과학회 1973 대한내과학회지 Vol.16 No.1
Incubated venous blood with a solution of Nitroblue-Tetrazolium (N.B.T.) which 200 white blood cell were examined for cell containing dark deposits of formazan (reduced N.B.T.) on 80 normal persons for control study and 139 patients who was admitted to Kor
李世圭,洪淳國 고려대학교 의과대학 1977 고려대 의대 잡지 Vol.14 No.1
The infusion of isoproterenol has been shown to decrease urine volume and free water clearance without altering glomerular filtration rate and without altering or moderately increasing renal plasma flow. It was reported that isoproterenol increase water permeability on toad bladder by similar action of antidiuretic hormone. Recent findings that increased water permeability induced by isoproterenol was inhibited by propranolol, but not by antidiuretic hormone indicate that renal beta adrenergic receptors mediate the increase of water permeability induced by isoproterenol. It was well recognized that norepinephrine, the principal endogenous alpha adrenergic agent, produces constriction of renal arteries and vasa recta. It was also showed that in kidneys vasodilated with acetylcholine infusion of norepinephrine caused natriuresis while on the opposite, nonvasodilated kidney, sodium excretion decreased. Constriction of vasa recta reserve the medullary osmotic gradient and renal concentrating ability, on the contrary dilation of vasa recta abolish the medullary osmotic gradient and renal concentrating ability. The present study was designed to examine the effects of isoproterenol on renal function in the rabbit and to determine if these effects are related to changes in renal hemodynamics. On experiments 20 rabbits were infused with 2.5% dextrose solution until water diuresis were maintained and thereafter simultaneous administration of isuprel (0.1㎍/㎏/min), and then isuprel (0.1㎍/㎏/min) plus noradrenalin (0.5㎍/㎏/min) were performed. During experiments urine volume, C_(IN), Cosm, C_(H2O), sodium excretion and C_(PAH), E_(PAH), RPF, FF, NCPF were measured for four consecutive specimens every twenty minutes intervals. The results were as follows: 1) Total renal plasma flow, cortical plasma flow, filtration fraction and medullary plasma flow were not altered by administration of water, isuprel and noradrenalin. 2) Water diuresis was inhibited by isuprel, while isuprel antidiuresis was inhibited by noradrenalin. 3) Glomerular filtration rate, osmolar clearance and sodium excretion were not altered by water loading, isuprel and noradrenalin.
Nitroblue-Tetrazolium 還元試驗의 診斷的 意義
李世圭,洪淳國 고려대학교 의과대학 1973 고려대 의대 잡지 Vol.10 No.1
Incubated venous blood with a solution of Nitroblue-Tetrazolium (N.B.T.) which 200 white blood cell were examined for cell containing dark deposits of formazan (reduced N.B.T) on 80 normal persons for control study and 139 patients who was admitted to Korea University Hospital from May 1972 to Oct. 1972. The mean proportion of such N.B.T. positive leukocytes in bacterial infection (23.14%) and the other diseases (19.88%) except peptic ulcer (7.20%) were increased significantly, however the viral infection (5.14%) was not increased significantly than the control group (6.08%). Therefore, the N.B.T. test was offered as a new, simple diagnostic aid in differentiating bacterial infection from viral diseases and other specific diseases.
디지탈 處理에 의한 Baseband CATV 受信器의 遠隔 同調 制御器 說計에 관한 硏究
李世圭,김용득 亞洲大學校 1986 論文集 Vol.9 No.-
In this paper, we deal with the design for the main controller of addressable converter in the CATV Encryptic Encoding System and implement the system with a function of volume control. Digital synthesis method is used to satisfy the NTSC output bandwidth. If the CATV system is operated in KOREA, in the near future, the converter system implmented in this paper will be applied to the CATV terminal unit.
李世圭,金容得 亞洲大學校 1985 論文集 Vol.8 No.-
This paper deals with the design for the general purpose robot system, which is possible to use the concatenated operation with other robot systems in the industrial lines. A design method of the driving circuits for the DC-servo motor is suggested an algorithm using the Digital Position Locked Loop method(DPPL), where the indicated position in the processor and the measured it at the counter. As the results, first, we can easily operate the system as the robot control language is defined the single key format with actuated motion. Second, it is cost effective system because the system can be deleted the extra controller for each motor. And it is improved the system precision by using the DPLL.