• Journal of the Korean Statistical Society
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• v.20 no.1
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• pp.67-76
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• 1991

The empirical Bayes version involves ″independent″ repetitions(a sequence) of the component decision problem. With the varying sample size possible, these are not identical components. However, we impose the usual assumption that the parameters sequence $\theta$=($\theta$$_1$, $\theta$$_2$, …) consists of independent G-distributed parameters where G is unknown. We assume that G $\in$ g, a known family of distributions. The sample size $N_i$ and the decisin rule $d_i$ for component i of the sequence are determined in an evolutionary way. The sample size $N_1$ and the decision rule $d_1$$\in$ $D_{N1}$ used in the first component are fixed and chosen in advance. The sample size $N_2$and the decision rule $d_2$ are functions of *see full text($\underline{X}^1$equation omitted), the observations in the first component. In general, $N_i$ is an integer-valued function of *see full text(equation omitted) and, given $N_i$, $d_i$ is a $D_{Ni}$/-valued function of *see full text(equation omitted). The action chosen in the i-th component is *(equation omitted) which hides the display of dependence on *(equation omitted). We construct an empirical Bayes decision rule for estimating normal mean and show that it is asymptotically optimal.

• International Journal of Internet, Broadcasting and Communication
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• v.12 no.3
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• pp.196-205
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• 2020

The purpose of this study is to identify the subjectivity of patient and describe the characteristics of each type to understand the categorization of types on patient safety. Q methodology was applied to the study. A total of 40 patients admitted to the S hospital in Seoul were asked to categorize 33 statements on patient safety. The collected data was analyzed using QUANL PC Program. After analysis, patient safety as perceived by the admitted patient was categorized into 6 types. The types were as follows: Type 1 'Those who note adequate patient safety', Type 2 'Those who consider preventive safety to be lacking' Type 3 'Those who see the evaluation criteria to be met', Type 4 'Those who see the facility safety to be lacking', Type 5 'Those who find the patient and facility safety to be adequate', Type 6 'Those who see patient support to be lacking'. The study provides a basic set of data for developing mediation measures needed to identify the direction in which patient safety should be promoted.

• The Journal of the Korean dental association
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• v.9 no.4
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• pp.191-194
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• 1971

The authors have studied cytomorphologically on the gian cells appearing in the giant cell lesions which had been collected from the biopsies at the department of oral pathology, college of dentistry, Seoul National University. The results are as follows: 1. We can classify two types of giant cells and large sized giant cells which have foamy, large nuclei and prominent nucleoli, and small sized giant cells which have small, round and homogenous stained cytoplasm. 2. We can not see the phagocytosed materials, only can see the foamy microvacuoles in the cytoplasm of giant cells. 3. We can not see the mitotic figures, nore fused figures in giant cells. 4. Osteoclasts in the periphery of bone tissue reveal large and pale stained with H-E stain, giant cells on the granulation tissue and chronic inflammatory tissue reveal deeply stained with hematoxylin and prominent nuclei, but smaller than osteoclasts.

• International Journal of Highway Engineering
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• v.14 no.4
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• pp.73-81
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• 2012

PURPOSES : The purpose of this study is to select the proper sealing method and to see the performance of the saw and seal method for concrete rehabilitation based on accelerated pavement testings and lab tests. METHODS : Two accelerated pavement testings were conducted. One is to select proper sealing method of the asphalt joints and the other is to see the performance of the saw and seal method. Lab tests were conducted to select proper sealing method and a test section was constructed to see the field performance. RESULTS : The result of the first accelerated pavement testing indicated that the adhesive preformed sealants showed good performance when asphalt layer was rutted and in terms preventing from water infiltration. The second acceleration test indicated that the saw and seal method using the adhesive preformed sealant showed much better performance than the control. In the lab test bitumen, rubber and epoxy showed good performance as the adhesive. CONCLUSIONS : Saw and Seal method using the adhesive preformed sealant would markedly reduce the joint damage on the asphalt overlay.

• Bulletin of the Korean Space Science Society
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• 2005.04a
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• pp.143-147
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• 2005

This paper describes the analysis of radiation environment and effects. TID(Total ionizing Dose) and SEE(Single Event Effects) analysis are implemented. The HAUSAT-2 is a 25kg class nanosatellite which is operated at sun-synchronous orbit at an altitude 650km. Trapped proton and Electron, Solar Proton, Galactic Cosmic Ray models are considered to HAUSAT-2 radiation environment model. Total Dose-depth curve provides TID degree and components are verified by DMBP method and Sectoring analysis. SEE are analysed with Radiation Test Report. Existing Radiation Test Reports are use to SEE analysis of HAUSAT-2.

• Asian Pacific Journal of Cancer Prevention
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• v.15 no.1
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• pp.305-308
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• 2014

Background: To investigate the indications of loop electrosurgical excision procedure (LEEP) and its overtreatment rates for the see and treat and three step strategies in cases of atypical squamous cells of undetermined cytology (ASC-US) and low grade intraepithelial neoplasia (LGSIL) cytology. Materials and Methods: We retrospectively analyzed colposcopy directed biopsy (CDB) and LEEP results of 176 paients with ASC-US or LGSIL cytologies who underwent colposcopic examination. Results: Initial cytologies were ASCUS in 120 women and LGSIL in 56. According to the see and treat approach immediate LEEP was performed for38 women. Among the remaining 138 women, LEEP was performed for 32 whose CDB results revealed CIN2/3 lesions. In the see and treat group the recognition of CIN2/3 was found to be 39.4%. The overtreatment rate was 60% as compared to 25% in the three step group. In CDB group detection of CIN 2 or greater lesions increased with 3 or more biopsies. Conclusions: In patients with ASC-US/LGSIL cytologies CDB should be performed before LEEP to prevent overtreatment, with attention to all suspected areas and more than 2 biopsies taken.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2000.10a
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• pp.355-359
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• 2000

This paper presents design of an advertising E-commerce (electronic commerce) serve. using push technology which provides clients with multimedia information such as text, audio and video according to their setting information. In the most of existing E-commerce system, users visit the web site in person, see and buy goods. In this paper we show the new E-commerce format: Clients select a field of advertisement of what they want to see on the browser, then EC server sends the clients moving advertisements at regular intervals. Subsequently, the users see advertisements and buy goods. The server of this system was designed using push server that saves moving advertisements in the database and sends the user-specific advertisements to users. The system designed in this study is very an active system contrary to existing passive E-commerce systems.

• Asian Pacific Journal of Cancer Prevention
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• v.15 no.8
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• pp.3483-3486
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• 2014

Background: To evaluate the overtreatment rate with the see and treat approach in the management of women with abnormal cervical cytology. Materials and Methods: A retrospective review of patients with abnormal cervical cytology who underwent S&T at MSMC between January 2008 and December 2012 was conducted. Loop electrosurgical excision procedure (LEEP), histological results, cytology and colposcopic impression were analyzed to evaluate overtreatment rate, cyto-histologic correlation and related factors. Results: Average age of S&T cases was 42 years. Ninety seven percents were referred from affiliated health care providers. The study revealed 83.2% patients had HSIL or higher from cervical cytology. Correlation between HSIL and final histology was relatively low at 75% compared to other studies. Overtreatment rate was 28%. Conclusions: S&T was done in 197 patients in a tertiary care health facility with patient satisfaction. Overtreatment occurred, but the rate can be reduced with appropriate recommendations. HSIL Pap smears should be reexamined before S&T while low grade and lesser colposcopic impression groups should obtain conventional colposcopic approach for patient future reproductive benefit.

• Transactions of the Korean Society of Automotive Engineers
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• v.14 no.2
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• pp.194-201
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• 2006

Roof-fairing and deflector system have been used on heavy-duty trucks to minimize aerodynamic drag force not only for driving stability of the truck but also for energy saving by reducing the required driving power of the vehicle. In this study, a numerical simulation was carried out to see aerodynamic effect of the drag reducing device on the model vehicle. Drag and lift force generated on the five different models of the drag reducing system were calculated and compared them each other to see which type of device is efficient on the reduction of driving power of the vehicles quantitatively. An experiment has been done to see airflow characteristics on the model vehicles. Airflow patterns around the model vehicles were visualized by smoke generation method to compare the complexity of airflow around drag reducing device. From the results, the deflector systems(Model 5,6) were revealed as a better device for reduction of aerodynamic drag than the roof-fairing systems(Model 2,3,4) on the heavy-duty truck and it can be expected that over 10% of brake power of an engine can be saved on a tractor-trailer by the aerodynamic drag reducing device at normal speed range($80km/h{\sim}$).

• Physical Therapy Korea
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• v.13 no.4
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• pp.1-9
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• 2006

The purpose of this research was to analyze the effects of the increase of the femoral anteversion angle on the unbalanced quadriceps femoris muscle causing the increase of the valgus force on the knee joints and patellofemoral pain syndrome by comparing with the group that shows the smaller femoral anteversion angle. The method for the research was to compare the femoral muscle's activity while the subjects were maintaining the knee joint flexed isometrically for 10 seconds. The evaluation tool for femoral muscle's activity was QEMG-4 (model LXM 3204). The results were as followings. Firstly, in case of the experimental group, the muscle strength of the vastus lateralis muscle was strong while the rectus femoris and vastus medialis were weak. In these facts, we can see the statistically meaningful difference in vastus medialis muscle activity. Secondly, in the muscle activity analysis for vastus lateralis and medialis of the two groups, we could see the vastus lateralis muscle was strong in anteversion wider for experimental group while the vastus medialis muscle contracted far more stronger in anteversion smaller for control group. From these results, we can see the significant differences in muscle recruitment between the two groups. Above results show that if the anteversion becomes wider, vastus medialis muscle will become seriously weaker, on the other hand, vastus lateralis act stronger.