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서병태,김일수 한국공작기계학회 2001 한국생산제조학회지 Vol.10 No.3
Manufacturing is characterized by increasing product variety and technical complexity, decreasing levels of demand, expanding global competition and declining profitability of organizations. To survive in such a complex environment, development of the automatic design system into design and manufacturing can be introduced to increase the flexibility and adaptability to markets. This paper presents the development of an automatic water-gate design system that composed of a main program and three modules, and was programmed by AutoLISP language under AutoCAD system. The devel-oped system is capable of generating water-gate design automatically according to input date as customer is requirement.
서병태,박현혜,윤승문,이지수,안창근 대한마취과학회 1977 Korean Journal of Anesthesiology Vol.10 No.2
We have analyzed 2,080 patients who were admitted to the ICU for intensive care during a period of 11 years from April, 1965, when the ICU was opened, to December, 1975. The results are as follows: l. In 11 years, the total number of patients was 2,080 which was 2.5% of 84,933 patients who were admitted to NMC. Among them, operative cases were 724 (35%) and nonoperative were 1, 356(65%). 2. Male patients were more than fomale Patients (1. 3: l. ) 3. In age groups, the 20 decade had the highest number. 4. The number of patients from Internal Medicine Dept, was highest. 5. Total occupied bed days were 7,497 and majority of patient were in less than 3. 6 days. 6. The patients from the medical departement have gradpqliy decreased, but from the surgical department thay howed inereased pattern. 7. Drug intoxication was the commonest disease among patients. 8. Total mortality rate was 45%, and the highest mortality rate occurred in 30-39 age group.
Semiparametric maximum likelihood estimation of stochastic frontier model with errors-in-variables
서병태,정석오 한국통계학회 2016 Journal of the Korean Statistical Society Vol.45 No.2
This paper presents a new technique to analyze a stochastic frontier model when covariates are incorporated with measurement errors. We propose a semiparametric mixture likelihood method to estimate the stochastic frontier model which is free from any erroneous specification of the distribution of latent covariates. Some numerical studies including a real data analysis were done, which highly support the proposed approach.
서병태,안창근,최근춘,김문호 中央醫學社 1971 中央醫學 Vol.21 No.6
Drug intoxication with coma patients of I.C.U in N.M.C for 6 years from April, 1965 to Oct, 1971 were reviewed. It was seen that barbiturate poisoning ,was the most common one and the parathion intoxications were not a little. The other causes of acute poisoning was seen such as rodenticide, acid alkali, meprobamate, etcetra. Meticulous treatment with respirator and prognostic problems related to death rate were discussed.