• 한국의류산업학회지
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• 제19권4호
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• pp.479-485
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• 2017

This study provides basic indices for the development of a pet dog's dummy. Surveys were conducted with 71 owners of small dogs weighing under 10kg as preliminary research for information on pet dogs, uses and complaints about their clothes and demographic information to investigate wearing conditions. We collected pictures of 30 products sold in 12 brands at home and abroad to analyze size, materials, and patterns and investigate the actual production conditions. The survey results on wearing conditions indicated that 'Maltese' was the breed most often raised in households. Dogs weighing 'between 3kg and 4kg' were most common. Dogs under five years of age took up 53.5%. Most of the clothes were 'S' size, followed by 'M' and 'L' Most responded, 'The overall size does not fit' as an inconvenience when worn for long. Second, most brands developed products in three sizes. The displayed details included neck and chest circumference, back length and dummy height. Cotton and artificial leather were used most often for the outer fabric, cotton for the internal filling along with wire and aluminum for some products to maintain shape and motions. Most dummies consisted of back+outer leg, belly, inner leg and sole. Sometimes, a composition line was added by the chest shape, and an incision was placed between the body and leg for breeds with thick legs. Most patterns had a composition line in the leg connected from the belly.

• 한국화재소방학회논문지
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• 제21권4호
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• pp.72-80
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• 2007

화재원인을 과학적으로 규명할 수 있는 화재조사자를 양성하기 위해서는 전문적이고 체계적인 교육프로그램 개발과 반복적인 재교육이 가장 중요한 인자이다. 본 연구는 화재조사교육과정의 운영상 문제점 등에 대하여 설문조사를 통하여 분석하고 국내 외 화재조사 전문교육기관의 교육과정 운영 실태 등을 비교 분석하여 교육효과에 영향을 미칠 수 있는 교육과정, 교육방법, 교육생 선발 방법 및 효과적인 활용방안 등의 문제점에 대한 해결방안을 제시하였다.

• Nuclear Engineering and Technology
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• 제32권6호
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• pp.566-594
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• 2000

In most LMFBR(Liquid Metal Fast Breed Reactor) design, the operating temperature is very high and the time-dependent creep and stress-rupture effects become so important in reactor structural design. Therefore, unlike with conventional PWR, the normal operating conditions can be basically dominant design loading because the hold time at elevated temperature condition is so long and enough to result in severe total creep ratcheting strains during total service lifetime. In this paper, elevated temperature design of the conceptually designed baffle annulus regions of KALIMER(Korea Advanced Liquid MEtal Reactor) reactor internal strictures is carried out for normal operating conditions which have the operating temperature 53$0^{\circ}C$ and the total service lifetime of 30 years. For the elevated temperature design of reactor internal structures, the ASME Code Case N-201-4 is used. Using this code, the time-dependent stress limits, the accumulated total inelastic strain during service lifetime, and the creep-fatigue damages are evaluated with the calculation results by the elastic analysis under conservative assumptions. The application procedures of elevated temperature design of the reactor internal structures using ASME Code Case N-201-4 with the elastic analysis method are described step by step in detail. This paper will be useful guide for actual application of elevated temperature design of various reactor types accounting for creep and stress-rupture effects.

• Journal of the Korean Data and Information Science Society
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• 제25권3호
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• pp.533-545
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• 2014

경북지역의 한우농가를 대상으로 한우 사육실태와 육종개량에 대한 농가들의 인식도를 조사 분석하여, 앞으로 사육 기술지도와 한우개량 방향을 개선하는데 기초자료로 이용하고자 설문조사하여 분석한 결과는 다음과 같다. 후보번식우 선발은 '외모, 체형, 혈통등록우' (39.0%)를 고려하여 선발하였으며, 번식우의 종부방법은 '계획교배를 통한 인공수정' (38.6%)을 실시하고 있어 가장 높게 나타났다. 비육밑소 구입시 외관상 가장 관심을 두는 부분은 '체장' (40.7%)부분으로 나타났고, 비육 밑소의 거세는 '생후 6~7개월'이 가장 많이 실시하였고, 한우고급육 생산을 위하여 '고급육생산 프로그램에 준하여 80% 이상 맞춰준다' (51.7%)고 하였다. 그러나 농가들은 비육출하 월령은 '생후 28개월' (35.2%)이 가장 경제적일 것이라고 생각하고 있었다. 이러한 결과는 조사항목에 따라 다소 차이가 있긴 하지만 대체로 조사대상자의 일반적 특성에 따라 학력, 연령, 직업, 가족 노동력에 따라 유의수준 0.05에서 통계적으로 유의한 차이가 있었다. 그러나 비육 후 출하 시에 육질 1+등급 이상 출현율은 '출하두수의 30% 정도' (22.1%)라고 응답하여 가장 높았지만, 조사대상자의 알반적 특성 간에는 유의한 차이가 나타나지 않았다.