• 대한족부족관절학회지
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• 제7권1호
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• pp.131-134
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• 2003

Most interdigital neuroma can be diagnosed clinically. But, diagnostic local injection method, sonography and magnetic resonance image(MRI) have been used as secondary tests for clinical confirmation or surgery. Recently, there have been active discussions on the method of interdigital neuroma diagnosis for which sonography or MRI is used. For finding out the location or the number of interdigital neuroma particularly in non-typical clinical manifestation or surgery, MRIs, which are exellent in tissue contrast, may be quite helpful. This case had an interdigital neuroma showing non-typical manifestation. MRIs were used for clinical diagnostic confirmation and finding out the location and the number of interdigital neuroma. Thus, the validity along with literary consideration is being reported.

• 대한수의학회지
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• 제39권2호
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• pp.311-317
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• 1999

Pathogenic effects of 29 different porcine reproductive and respiratory syndrome(PRRS) virus isolates were investigated in swine tracheal ring(STR) cultures by examining their effects on the ciliary activity of STR. Inhibition of ciliary movement and destruction of the tracheal epithelium were seen between 72 and 96 hours postinoculation(PI). Virus replication was demonstrated by examining viral infectivity of the supernatants from the STR cultures. PRRS virus antigen in macrophages was detected by a streptavidin-biotin complex(ABC) immunoperoxidase method. Of the 29 PRRS virus isolates, 8 isolates were classified into pathogenic, and the remaining 21 isolates were determined as mildly pathogenic or apathogenic viruses. These results suggest that STR examination may be used as a method for predicting pathogenic variability of PRRS virus isolates.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2000년도 ITC-CSCC -1
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• pp.39-42
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• 2000

In our study, by observing and analyzing normal liver in abdominal CT image, we estimated gray value range and generated binary image. In the binary image, we achieved the number of hole which is located between pixels. Depending on the ratio, we processed the input image to 4 kinds of mesh images to remove the noise part that has the different ratio. With the Union image of 4 kinds of mesh images, we generated the template representing general outline of liver and subtracted from the binary image so the we can represent the organ boundary to be minute. With results of proposed method, processing time is reduced compared with existing method and we compared the result image to manual image of medical specialists.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2000년도 하계학술대회 논문집 C
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• pp.2129-2131
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• 2000

The thyratron is a very important device in the modulator as the high power switch but there is no method to diagnose the inside of the thyratron. The thyratron always require ranging, maintaining of the proper pressure, for the optimum operation of the thyratron. But, up to now this only depends on the experience of the operator. In this paper, we discuss the diagnostic of the thyratron by the convection heat current and the principle and experimental data will be compared for the automatical adjustment of optimum gas pressure of the thyratron at the intial stage.

• 산업경영시스템학회지
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• 제18권36호
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• pp.323-331
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• 1995

The role of equipment maintenance in manufacturing becomes important. As a method of overcoming this problems, diagnostic expert system has been introduced. If such a system is, however, based on the troubleshooter's knowledge, many difficult cases are occured in the real process of diagnosis using that kind of system. This paper suggests to use the designer's knowledge for diagnosing the malfunctions of production equipments. To do that, a method of knowledge represen-tation is also proposed, which is based on the concept of boundary factors. In addition, the disorder propagation in considered. As a results, one can simplify the process of reasoning and inspection.

• Communications for Statistical Applications and Methods
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• 제23권3호
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• pp.231-239
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• 2016

A graphical diagnostic method based on multiple case deletions in a regression context is introduced by using the sampling distribution of the difference between two least squares estimators with and without multiple cases. Principal components analysis plays a key role in deriving this diagnostic method. Multiple case deletions of test statistic are also considered when a new observation is fitted to a given regression model. The result is useful for detecting influential observations in econometric data analysis, for example in checking whether the consumption pattern at a later time is the same as the one found before or not, as well as for investigating the influence of cases in the usual regression model. An illustrative example is given.

• 한방비만학회지
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• 제6권1호
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• pp.11-26
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• 2006

Hair tissue mineral analysis is widely accepted for assessing essential and toxic elements which can give information about disease, metabolic disorder, nutritional imbalance, drug abuse, environmental exposure and so on. In Oriental Medicine, hair have been used as a diagnostic method which reflects the physiological and pathological status of body, especially kidney system(腎臟) and blood(血) like the quotations from Donguibogam(東醫寶鑑), 'hair belongs to kidney system(髮屬腎)' and 'hair is the remainder of blood(髮者血之餘)' Therefore we have suggested that HTMA have possibility to be utilized for screening and treatment for obesity, growth disorder, general deficiency syndrome(諸虛證), etc. in Oriental Medicine.

• 대한기계학회:학술대회논문집
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• 대한기계학회 2005년도 창립60주년 기념 추계 학술대회
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• pp.50.1-50.1
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• 2005

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2023년도 가을학술발표대회논문집
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• pp.255-256
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• 2023

The purpose of this study is to confirm the feasibility of exploring the location of reinforcing bars using the resistivity method in concrete structures.

• 한국과학교육학회지
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• 제25권7호
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• pp.746-753
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• 2005

평가는 학생들이 배워야 하는 가장 중요한 것들을 반영해야 한다. 지금까지 학교교육에서의 대부분의 평가는 학력의 측정에 목적을 두고 실시하였으며 설령 진단평가와 형성평가를 실시하였더라도 그 평가결과를 유용하게 활용하는 경우는 드물었다. 이러한 원인은 평가결과로부터 개인별 정보를 얻을 수 있는 도구가 없었기 때문이다. 본 연구에서는 그동안의 평가결과로부터 얻을 수 없었던 집단별, 개인별 정보를 끄집어 낼 수 있는 평가도구를 소개하고 있다. 본 연구에서는 학생들의 평가결과를 지식공간론을 활용하여 분석하고, 이것으로부터 개인의 향후 학습지도를 위한 이정표를 제시하였다. 지식공간론은 수학이나 과학과 같이 비교적 위계관계가 강한 학문에 매우 유용하게 이용될 수 있으며, 평가를 통해 학생들이 구성하는 지식구조를 지식의 위계라는 관점에서 정확히 분석함으로써 효과적인 물리교육을 도모할 수 있다. 특히, 처리 과정을 컴퓨터시스템을 이용하여 정확하고 빠르게 처리할 수 있음은 물론 객관적 타당도를 높이고 많은 양의 자료를 효율적으로 처리할 수 있다. 더 나아가서 개개인에 대해 실질적으로 도움을 줄 수 있는 피드백을 제시하여 학생들의 이해를 증진시킬 수 있다. 본 연구에서는 물리 성취도 평가 문항에 대하여 지식공간론을 적용하여 예비 물리교사들의 학년별 평가결과를 분석하고, 그 결과를 토대로 향후 물리교육을 위한 효율적인 교육과정 개발에 기초자료로 활용하고자 한다.