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최익순(I. S. Choi),김석수(S. S. Kim),김건중(K. J Kim) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
This paper presents short -circuit tests for polymer-housed distribution arresters depends on standards. The compared standards are IEC 60694(2004) and IEEE C62.11(2005). Major differences depends on standards are prefaulted(pre-failure) method by means of a fuse wire and test procedure.
이창규,이승관,조경진,박종성,정수경,유병서,박상숙,류정록,남현철,김석수,김상섭,김재영,이국성 高麗大學校 倂設 保健大學 保健科學硏究所 1998 保健科學論集 Vol.24 No.1
Since the Korean Association of Quality Assurance for Clinical Laboratory was established in 1976, the numbers of the participating hospitals nowadays were increased from 40 to 450 or more hospitals all over the country. In the early day the both internal and external quality control programs were started at the same time, however, the external QC programs prevailed over the internal ones putting the cart before the horse. The accuracy and the precision of the data are not satisfying in spite of the 20 years experiences of quality control programs. All the daily data should be reported after the validity is assured by the self-evaluation not by third party evaluation. It is regret that the CVs of enzymatic tests in external QC are exceeding 10% and there is no sign of diminishing CVs. One of the major reasons is that the types of anaytical instrurments and reagents are diverisified. Moreover, most of them are subject to the standards of the respective country of manufacturer. Accordingly, we can make a suggestion that the reagents and instruments should be imported or supplied meeting the established requirements for Korean standardization.
혈청 Creatine Kinase측정 표준화에 관한 연구(Ⅵ)
이창규,이승관,조경진,정수경,박종성,박상숙,류정록,남현철,김상섭,김석수,장철수,최명재 高麗大學校 倂設 保健大學 保健科學硏究所 1998 保健科學論集 Vol.24 No.1
In European countries or Japan they made an attempt for the standardization of assays in AST, ALT, ALP, CK, LD and GGT 10 years ago. For the actualization of the trial, they managed to succeeded in development of certified reference material and enzyme reference material. And they are now forecasting the unification of test results produced differently under the respective situatons. Then, through the highly developed communication system, someone can access any test results whenever or whereever only if they want to. It means that we can expect much greater improvements in medical services through the information exchanges. In this study the authors tried to ascertain the interchangeability comparing the obtained results of the CK tests between two general hospitals. Fortunately, the data got in the internal QC programs came to fall within the normal tolerances. The reference intervals for the CK test were different accarding to the chosen reagents and the results from the pooled serum were also shown differently each other. However, from the two hospitals, we could get glucose K factors, upon which the measurements were obtained and compared. Using K factors we measured the CKs, then we multiply the CK values by correction coefficients. We could found that the two results were showing good coincidence in the comparison. The main purpose of the standardization of enzyme assays is the creation of a new unified value which can be expressed differently otherwise. Using the standardized values we can exploit the data everywhere, reduce the medical costs from repeated or duplicated tests, save the foreign exchanges preventing the diversification of impart connections.