• Journal of The Korean Radiological Technologist Association
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• v.29 no.1
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• pp.204-204
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• 2003

• 한국ITS학회:학술대회논문집
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• 2002.11a
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• pp.153-156
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• 2002

• Proceedings of the Korean Radioactive Waste Society Conference
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• 2012.10a
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• pp.343-344
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• 2012

• Science of Emotion and Sensibility
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• v.13 no.4
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• pp.711-720
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• 2010

This study is aimed to compare choices on interaction problems, and to consider the reason of the choices. It was expected that the interaction problems are influenced from national culture, age, gender and so on. The first interaction problem in this study is default answer button when user operates to delete all messages on SMS in-box. Second one is action when pop-p window warning dangerousness of install showed on web browsing. The third one is type(analog/digital) and information expression of control panel on soup maker. 639 Korean data and 784 data from China, Japan and the Netherlands are analyzed through cross-tabulation and chi-square test. In the results, many Japanese choose 'No' answer at SMS delete problem, while many Dutch choose 'Yes'. The result suggests that uncertainty avoidance effect on interaction problems. On warning pop-up, Younger generation and men choose actively 'install' than older one and women. On type of control panel, Dutch subjects preferred analog type than other countries' subjects. On expression of control panel, older generation and individualistic subjects relatively preferred text style than other style.

• The Journal of the Convergence on Culture Technology
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• v.7 no.4
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• pp.527-535
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• 2021

The STEAM education was applied to science high school students, and changes in perceptions of students and teachers were investigated after class treatment. By the results of the student's perception survey, very positive results were found in increasing problem-solving capabilities, educational satisfaction, etc. More than 98% of students said they would continue to participate in STEAM education classes. Meanwhile, the lack of time for class activities put a burden on students to complete the problems during class. Especially nanoscience content and activities were properly organized in consideration of the level of cognitive development of the students. In addition, as a result of a survey of teachers' perceptions for students, more than 80.0% of teachers responded very positively in 'self-directed learning ability' and 'problem-solving capability', etc.

• Animal Systematics, Evolution and Diversity
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• v.16 no.1
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• pp.105-112
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• 2000

Mesostigmatid mites were collected from forest soils in Korea from December 1998 to October 1999. Eleven species were recognized including a new species, Neparholaspis bisunensis n. sp., and three new records, Holaspina communis (Ishikawa, 1966), Holaspina multidentatus (Ishikawa, 1980) and Holaspulus montanus Ishikawa, 1995.

• Journal of Digital Convergence
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• v.14 no.6
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• pp.519-525
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• 2016

The purpose of the study was to develop achievement criteria of Creativity and Personality in Expressive Activity. For the study, a Delphi survey was conducted with the selected Delphi experts including doctors of sports pedagogic, physical education teachers and doctors of dance studies who have more than 10-year teaching experience in the expressive activity. In this way, the following study result was obtained. First, 27 elements of creativity in the expressive activity were suggested such as originality, sensitivity, trust, courage, moderation. Second, 54 achievement criteria which were drawn up based on the 27 Creativity and Personality-elements. Achievement criteria of creativity and personality was presented in a modular fashion that could be applied in the creation, representation, appreciation which was composed of main content in expressive activity. By using these modules, physical education teachers could plan a lesson by choosing a various factors of creativity and personality, depending on the intended educational goals.

• Journal of the Korean Society of Radiology
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• v.14 no.5
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• pp.635-642
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• 2020

The purpose of this study was to analysis the effects of shielding area of field configuration with changing of sensitivity and density on tube current (milliampere-seconds, mAs) and image quality in automatic exposure control (AEC) system. The equipment used a digital radiography device (Digital Diagnost, Philips, Netherlands), which has a integral type with an X-ray tube and an indirect digital detector. The AEC system conditions were consisted of 9 setting environments, that mode changing of the sensitivity (S200, S400, S800) and the density (+2.5, 0, -2.5). The tube current evaluated automatically exposed mAs under 81 combination conditions crossed by AEC conditions in fixed at 40 kVp. The image quality evaluated the radiographic images that selected valid images by visual assessment the radiographic images of the self-produced conical pyramid phantom and then measured their signal to noise ratio (SNR). As a result, the maximum tube current was 60.0 mAs that automatically exposed conditions were the 100% of shielding area and the sensitivity of S200 and the density of +2.5. The minimum tube current was 0.9 mAs with non-shielding area and the sensitivity of S800 and the density of -2.5. When the shielded area 0% with the sensitivity of S200 and the density of +2.5, the maximum SNR was the highest as 25.2. But when the shielded area 25% with the sensitivity of S800 and the density of -2.5, the minimum SNR was the lowest as 4.7.

• Journal of Gastric Cancer
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• v.7 no.4
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• pp.248-253
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• 2007

Purpose: Surgical wound complications remain a cause of morbidity and mortality among postoperative patients, and the cost of caring for patients with a surgical wound complication is substantial. The purpose of this study was to evaluate the ability of a vinyl wound protector to reduce the rate of wound complications when used in clean-contaminated surgery. Materials and Methods: Between May 2006 and September 2006, 295 patients with a gastric cancer that underwent gastric surgery were studied prospectively, and the patients were randomized into one of two groups: the no wound protector group (n=137) or the polyethylene protector group (n=132). Results: The demographics and operation type and operation time were similar for patients in both groups. The rate of wound complication was different between patients in the no protector group (n=42) and the polyethylene protector group (n=12) (P=0.001) and the rates of seroma (P=0.001), infection (P=0.030) and dehiscence (P=0.282) were different for the two groups. The postoperative hospital stay was significantly shorter in the polyethylene protector group of patients (P=0.040). Conclusion: The use of a polyethylene protector resulted in a reduction of the surgical wound complication rate, and the cost of caring for patients, and morbidity and mortality among postoperative patients could be reduced.

• Journal of Gifted/Talented Education
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• v.24 no.4
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• pp.483-507
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• 2014

This is a follow up study to develop an education model focused on creativity and character for gifted students in science. The purpose of this study was to explore the effective utilization of the model that was developed by conducting literature review, exploring the direction of science-gifted education through an in-depth interview, and studying science-gifted educational methods by using a Delphi survey. The developed science-gifted education model, termed the Blossom Model, consists of four educational dimensions: leadership, science inquiry, convergence, and problem solving. The education programs using the Blossom Model were developed with four secondary school teachers, and were applied to unit schools' gifted education classes or district education office's gifted education center. After class, the in-depth interviews were conducted with teachers individually, and students' outcomes were collected. So the effective utilization of the model was suggested by analyzing these results.