• 전기의세계
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• v.9
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• pp.28-35
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• 1962

많은 수의 동기기를 포함한 전력계통의 과도안정도를 계산함에 있어서 각각의 동기기를 독립적으로 취급하는 것은 실제상 불가능하며, 따라서 몇 대의 동기기를 1대의 동기기로 치환하여 계통을 간략하게 하는 것이 보통이다. 그러나 이렇게 함으로써 피시험동기기의 안정도에 주는 영향은 상금도 문제로 되어있다. 본 실험의 목적은 그 영향을 여러가지 운전조건에 대하여 검토하여 정당한 등치법을 찾는 데 있다.

• 프린팅코리아
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• s.25
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• pp.36-41
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• 2004

지난해 말까지 전국에 보급된 CTP 장비는 총 105대. 사용자들은 얼마나 만족하고 있는지, 그리고 개선점은 무엇인지에 대해 창간 2주년 특집으로 설문조사를 실시했다. 설문조사 방식은 전화와 팩스, 그리고 직접 방문을 통해 실시했으며, 대상은 지난해 말까지 CTP 장비를 도입한 업체를 기준으로 했다. 이 중에서 국가기관에 보급된 8대와 신문사 및 기타 업체에 보급된 5대는 이번 설문조사에서 제외되고 85개 업체(회수80개 업체) 92대에 대해 설문조사를 실시했다.

• Journal of dental hygiene science
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• v.10 no.3
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• pp.191-197
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• 2010

The purpose of this study was to examine the awareness of dental patients using dental institutions about dental hygienists in an effort to help educate dental hygiene students to have the right image of dental hygienists. And it's also meant to provide education for dental hygienists to develop their own capabilities, attitude and values to render quality medical services to patients. The subjects in this study were the patients who visited dental clinics and hospitals to receive treatment. A self- administered survey was conducted from March 5 to April 13, 2010, in consideration of their general characteristics. The answer sheets from 204 respondents were gathered, and 197 answer sheets were analyzed except seven incomplete ones. A factor analysis was carried out to find out their general characteristics, and independent-samples t-test and one-way ANOVA were utilized to get statistical data on mean and standard deviation. A SPSS 12.0 program was employed to analyze all the collected data. And it's found that the largest number of the patients thought that the main duty of dental hygienists was to give treatment to patients, and they took a favorable view of their services. They weren't well aware of the process of nurturing dental hygienists and their curriculum, and they put a relatively strong confidence in their treatment and had relatively favorable experiences with them.

• Journal of the East Asian Society of Dietary Life
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• v.19 no.5
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• pp.783-790
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• 2009

This study was conducted to investigate the recognition and uses of Angelica gigas Nakai. A survey methodology was employed consisted of 37.8% males and 62.2% females from the Seoul and Kyunggido area. The main results are as follows: The older generation have liked and eaten Angelica gigas Nakai rather than the young. The most popular reason provided for the preference of Angelica gigas Nakai was good health benefits. People indicating a dislike for Angelica gigas Nakai had little previous experience of eating this plant. The purchasing main place is appeared the supermarket and traditional market. Angelica gigas Nakai was acknowledged as having the following characteristics 'to do excellent nutrition' (3.82), 'natural food' (3.76), 'to doing for the anti-cancer and anti-oxidization' (3.70), 'good for anemia and women, diseases' (3.64), and 'good for anodyne and diuretic effect' (3.57), but was not associated with 'price is cheap' (3.02) and 'to difficult for buy' (3.10). Recognition and eating experience was low for Angelica gigas Nakai kimchi and rice bread, bread, sauce and healthy drink added with Angelica gigas Nakai, but the opinion of the taste appeared highly.

• Journal of Korean Electronics
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• v.5 no.7
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• pp.92-92
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• 1985

• The Science & Technology
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• v.28 no.8 s.315
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• pp.82-84
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• 1995

• Transportation Technology and Policy
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• v.6 no.1
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• pp.49-59
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• 2009

• KIPE Magazine
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• v.26 no.4
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• pp.41-47
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• 2021

• KIPE Magazine
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• v.27 no.1
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• pp.28-33
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• 2022

• Journal of the Daesoon Academy of Sciences
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• v.2
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• pp.19-32
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• 1997