• 대한지역사회영양학회지
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• 제20권4호
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• pp.273-280
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• 2015

Objectives: The study aimed to examine whether healthy diet score was associated with stress and social support among 472 Chinese college students in Korea. Methods: The study participants were 472 (187 male, 285 female) Chinese college students in Gyeong-gi area. From April 2013 to Oct 2013, participants were asked to fill out questionnaires on healthy diet score (20 questions), stress (20 questions), and social support (20 questions). Each question was scored by a 5-point Likert scale (total scores of each questionnaire were ranged from 20 to 100). Questions on healthy diet were sub-categorized as 'Healthy food eating (HFE)', 'Healthy eating habits (HEH)', and 'Avoidance of unhealthy food (AUF)'. Reliability test was conducted with Cronbach's ${\alpha}lpha$ (${\alpha}=0.79$). Results: Healthy diet score was higher in participants who stayed longer in Korea, who spoke Korean language fluently, and who assessed his or her own health status as very good. Adjusted means of healthy diet scores were estimated after adjusting for age, gender, body mass index, duration of staying, and Korean language fluency. According to tertile categories, participants with low tertile stress but high tertile social support showed the highest score of healthy diet ($72.59{\pm}1.45$), whereas participants with high tertile of stress but low tertile of social support had the lowest score of healthy diet ($59.22{\pm}1.54$). As for the three sub-categories of healthy diet score, the score of HFE increased as the score of social support increased. Conclusions: Our findings suggested that social support system is beneficial to alleviate stress and to improve healthy diet score.

• 보건행정학회지
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• 제22권1호
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• pp.65-84
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• 2012

Because of the rising healthcare costs, there is a growing need for developing efficiency indicators for medical resources use and measuring efficiency of healthcare providers and healthcare systems using them. In this study, we aimed to develop efficiency indicators for medical resources use by means of Delphi technique. We systematically reviewed the existing measures of medical resource use. Thirty nine indicators were selected as a candidates across the six domains: medical personnel, medical equipment, medical facilities, ethical management, resource efficiency, and drug use. To develop efficiency indicators with professional consensus, a 2-round Delphi survey was conducted among 29 professional experts. The following indicators were selected based on the Delphi survey results: adjusted number of the patient per day and level of the nurse number medical personnel in medical personnel domain; the number of the scan a professional physician and the quality of the scan in medical equipment domain; bed utilization rate in medical facility domain; drug price reported pharmaceutical price by medical institutions, medical fee billing transparency, and medical care appropriateness in ethical management domain; costliness index in resource efficiency domain; and utilization of high cost drug and items per prescription in drug use domain. The efficiency indicators could provide valid information about efficiency of healthcare providers and healthcare systems with respect to their resources use and facilitate policies to improve their efficiency.

• 한국산학기술학회논문지
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• 제14권10호
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• pp.5097-5104
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• 2013

중국여성들의 한류(韓流)에 대한 인식도를 기준으로 '고집단'과 '저집단'으로 나누어 한국 화장품에 대한 품질인식과 구매행동을 분석함으로써, 중국내 마케팅 전략수립을 위한 시사점을 도출하고자 하였다. 중국 광저우시에 거주하는 중국 여성을 대상으로 한 설문조사 결과를 k-평균 군집분석, 독립표본 T 검정, 요인분석 등의 연구방법으로 분석하였다. 한류가 품질에 대한 인식과 브랜드이미지 제고에 미치는 긍정적 효과는 저집단보다 '고집단'에게 훨씬 더 강력하였고, 사용 후 만족도와 구매 추천 의향으로까지 연결되는 것으로 나타났다. 두 집단 간 품질 인식과 구매행동 등에 있어 큰 차이를 보여, 지역별 계층별 한류 인지도의 차이에 따라 마케팅 전략을 차별화할 필요가 있음을 시사한다. 다만, 두 집단 모두에게 저렴한 가격이 가장 중요한 구매 동기로 나타나, 한류의 확산과 함께 한국 화장품의 품질과 브랜드의 고급 이미지를 강화하기 위한 노력이 절실하게 필요한 것으로 사료된다.

• 한국구조물진단유지관리공학회 논문집
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• 제21권1호
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• pp.59-66
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• 2017

이 논문에서는 원자력발전소나 각종 플랜트 시설물에서 배관을 보호하기 위하여 마찰방식을 이용한 댐퍼를 개발하여 성능을 분석하는 연구를 수행하였다. 마찰방식댐퍼는 MER-Spring에 압축력을 가하여 베어링과 샤프트에 마찰력을 발생시켜 진동을 감쇠시키는 장치이다. 댐퍼의 성능을 분석하기 위하여 MER-Spring과 마찰재의 재료특성을 분석하고, 마찰의 영향에 대한 연구를 수행하였으며, 이에 대한 거동 방정식을 수립하였다. 또한 재료의 변형 여부를 판단 및 수립된 거동방정식의 신뢰성 검토를 위하여 시작품을 제작하였고 시편으로 제작된 댐퍼의 성능 시험과 유한요소 해석을 통하여 이를 분석하였다. 그 결과, 재료의 신뢰성이 확인되었고 마찰계수는 속도에 따른 보정이 필요하며, 반복재하 실험 및 유한요소해석 결과 우수한 결과를 나타냄을 확인하였다. 또한, 추후에 동적하중에 대한 검토가 수행되어 이 연구의 성과가 더 넓은 범위에 적용되었으면 한다.

• 대한가정학회지
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• 제43권3호
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• pp.199-219
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• 2005

The purpose of this study was to examine how life-changes after divorce, individual resources, and interpersonal resources affect post-divorce adjustment. Especially it focuses on gender differences. Data were collected from 114 divorced men and 112 divorced women in their 20s and 30s with the inclusion criteria of 1) having hen divorced for at least 6 months but less than 5 years, and 2) not having remarried after divorce. AH divorced men and women were interviewed with self-report questionnaires. The analysis included frequencies, means, t-test, crosstabs, and hierarchical multiple regression models. The major findings were as follows. 1) Divorced women were better adjusted than divorced men. 2) Fnancial satisfaction and health problems were important factors for both divorced men and women. 3) There were gender differences in the variables that affected post-divorce adjustment. Social support and significant others' attitude toward divorce influenced post-divorce adjustment for divorced men. For divorced women, negative change in financial circumstances, their own attitude toward divorce and divorce initiation found significant. This study showed that there were gender differences in the factors affecting Post)divorce adjustment. The findings of this study suggest that a program for supporting divorced men and women should consider gender differences.

• The Journal of Advanced Prosthodontics
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• 제6권6호
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• pp.444-450
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• 2014

PURPOSE. To compare the accuracy of marginal and internal adaptation of zirconia (Zr) copings fabricated on anatomic (A), semi-anatomic (SA) and non-anatomic (NA) occlusal surface preparations. MATERIALS AND METHODS. 45 extracted bicuspid teeth were prepared for receiving zirconia crowns, with different occlusal preparation designs A=15, SA=15 & NA=15. The Zr copings were fabricated by using CAD4DENT, CAD/CAM. The copings were adjusted, cemented and were cross sectioned centrally from buccal cusp tip to lingual cusp tip into mesial and distal halves. The copings were examined under electron microscope at ${\times}200$ magnification and the measurements were recorded at 9 predetermined areas in micrometers. RESULTS. Overall mean gap values for the three groups was found to be $155.93{\pm}33.98{\mu}m$ with Anatomical Occlusal preparation design having the least gap value of $139.23{\pm}30.85{\mu}m$ showing the best adaptation among the groups. Post Hoc Tukey's test showed a statistically significant difference (P=.007) between the means of gap for A & NA preparation designs. Measurements recorded at 9 predetermined points showed variations for the three groups. CONCLUSION. Anatomical occlusal preparation designs resulted in better marginal and internal adaptation of Zr copings. There is a considerable variation between the measured marginal and internal gap values for the Zr copings fabricated by the (CAD4DENT-CAD/CAM). This variation may be associated with the lack of standardization of the preparation of teeth, computerized designing of the coping for each tooth, cement used, uniform pressure application during the cementation of the copings, sectioning of the copings and the microscopic measurements.

• Journal of Plant Biology
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• 제5권2호
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• pp.13-16
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• 1962

Without annual ring, the bamboo can not measured by ordinary mensuration method. Other methods yet tried failed to prove the reliability. That means, as often pointed out, that the bamboo lumbering (including forest management) is not free from being precarious. Noting the fact, this author performed a serieds of comparative observations on a group of bamboos in different stages of growth in order to find out if there is any surer mensurability. A conclusion has been reached that the external feature of joints of branch has close connection with the age of bamboo, that the joints of the third major branch counting from the ground have, as shown in the first table, the most probability, its mean being 94.3 per cent, and that those in ages of 3 to 5 have the probability of 100 per cent, showing the far greater accuracy as compared with those in older ages. The above conclusion needs to be adjusted with the following findings; 1) When observed disregarding the joint-tongue(the remainder of the preceeding year's sheath), the major branches show no better probability than the minor ones. 54 to 78 per cent of them shows no difference between them. Probability is averaged by 60 per cent. 2) When in spring the old sheaths drop away from the joints, the new ones sprout out in their places and consequently the joints present an appearance of a kind of joint-ring. But since this joint-ring does not always exactly represent the plant age, some other method must be sought after to count the age. This author noticed what is called "joint-tongue" the tongue-like part of triangle shape which remains at the base of the sheath of the fallen leaf. A fact was ascertained that when the number of the joint-ring coincides with that of the remaining joint-tongue, it exactly indicates the age of the plant.the plant.

• 콘크리트학회논문집
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• 제13권3호
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• pp.294-300
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• 2001

본 연구는 화력발전소에서 산업부산물로 생산되어지는 bottom ash가 저강도 고유동 충전재(CLSM)의 특성에 미치는 영향을 알아보았다. 저강도 고유동 충전재 재료는 ACI 229소위원회에서 재령 28일 압축강도가 83 kgf/$\textrm{cm}^2$ 보다 낮은 재료로 정의되어져 있으며 이러한 저강도 고유동 충전재에 잔골재를 대신하여 bottom ash가 사용되어 질 수 있는가를 연구하였다. 플로우가 200~300mm이 되도록 시멘트, 플라이애쉬, bottom as, 모래를 혼합하였으며 굴착가능성별로 손도구로 굴착이 가능한 강도 7 kgf/$\textrm{cm}^2$이하, 기계장비를 이용하여 굴착할 수 있는 강도 20 kgf/$\textrm{cm}^2$이하, 굴착이 어려운 강도 83 kgf/$\textrm{cm}^2$이하로 나누어 실험을 실시하였다. 플라이애쉬에 대하여 bottom ash를 25, 50, 75, 100%수준으로 시험하였다. 실험결과 목표로 하는 플로우를 얻기 위해서는 bottom ash의 첨가수준이 증가할수록 단위수량이 증가하였으며 용적 배합이므로 잔골재 양은 감소하는 결과를 나타내었다. Botom ash는 저강도 고유등 충전재의 재료로 사용가능함을 보여주었다.

• 복식
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• 제58권9호
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• pp.51-67
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• 2008

The purpose of this study is to investigate men's coat of Jikryeongkoim style that were excavated from the tombs of the Yeosan Song family. Findings of the study can be summarized as follows. Except Dapho, all of the above mentioned coat were usually worn in the late 15th and late 16th centuries. Jikryeong and Cheolik were often worn in both of the centuries. But Aekjureum was often worn in the late 15th century and Jikryeong with no side hem and Jikryeong of Dopo style, in the late 16th century. Generally, the men's coat of Jikryeongkoim style had a short fore part and a long rear part, doubled kalgit of banmokpan style and a narrow sleeve in the late 15th century, while fore and rear parts of the same length, kalgit of ordinary style and the sleeve of bean chaff shape in the late 16th century. In both of the centuries, the coat had the outer Seop that was doubled and used short, narrow coat strings to be adjusted. Samgakmu was used to Jikryeong with no side hem and Aekjureum. Out of the coat, those which were lined or padded or quilted with cotten used Samgakmu, but those which were unlined didn't. To adjust the coat, usually, a pair of short, narrow coat strings was used. The coat had the coat strings directly stitched on them or indirectly connected to them by means of the coat string hanger.

• 한국결정성장학회지
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• 제5권1호
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• pp.50-59
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• 1995

자체 제작된 승화법에 의한 결정성장 장치를 이용하여, 6H-SiC 단결정을 성장하였다. Acheson 법으로 얻어진 6H 결정을 seed substrate로 사용하였으며, SiC source 로부터 분해된 승화 증기가 seed상에서 육성되도록 흑연 도가니내의 온도구배 및 성장온도와 압력을 유기적으로 조절하였다. 성장 전 graphite 도가니 구성부와 SiC 원료에 대한 purification을 행함으로써 성장결정 내부로의 불순물 혼입이 억제되도록 하엿다. 결정 성장시의 육성조건으로 도가니 바닥의 온도는 $2300~2400^{\circ}C$였으며, 성장로 내부의 분위기 압력은 200~400 torr에서 양질의 단결정을 얻을 수 있었다. 성장된 결정을 두께 1.5 mm의 wafer로 제작하여 XRD와 optical microscope로 관찰하였고, FT-IR spectrum으로 분석하였다.