• 한국화재소방학회논문지
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• 제18권3호
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• pp.95-102
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• 2004

본 논문은 국내에서 소방관이 사용하고 있는 공기호흡기용 압축공기를 분석하였으며, 공기호흡기를 착용하는 진압대원 및 구조대원을 대상으로 공기호흡기 사용실태에 대한 설문을 받아 분석함으로서 문제점을 파악하고, 국내 및 선진 외국의 압축공기에 기준을 비교ㆍ검토하였다. 설문조사 결과 전체 응답자의 약 75% 이상이 공기호흡기를 착용 후 간단한 이상증상이 있었으며, 이상증상을 호소한 사람들은 '페스꺼움' 과 '두통'을 가장 많이 호소하였다. 한편, 관리적인 측면에서는 콤프레서 필터의 유지ㆍ관리가 잘 안되고 있었다. 현재 국내에서 소방대원이 사용하고 있는 공기호흡기 호흡용 압축공기는 공업용 공기와 별다를 바없이 사용되고 있었으나, 유럽, 캐나다 및 미국과 같은 선진국의 경우 소방관이 착용하는 공기호흡기 호흡용 압축공기의 조성에 대한 별도의 규정이 있다. 국내에서 사용 중인 압축공기를 공기분석기를 이용하여 성분분석을 행한 결과 모든 시료에 있어서 수분의 함량은 국제적인 기준에 못미치는 것으로 나타났다.

• 한국의류산업학회지
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• 제15권2호
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• pp.231-239
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• 2013

This research developed a smart girdle for adult women in their 20's that has an inserted carbon weaving heater to help with relief from coldness and abdominal disease through the thermal insulation effect. A pocket of powernet fabric was attached to the inside of the girdle for the easy insertion and separation of the heating device, while the heating device was fixed to a mesh material by cotton yarn and was wrapped with elastic lining material to prevent the mechanical devices from being exposed. A set of 3 hooks was attached to the center of the back of the heating device in consideration of convenience and mobility. Whereas the switch was inserted into around the right waistband, and the battery into the inner pocket around the waist, to integrate the heating device with the girdle. The satisfaction and usability of the fabricated smart girdle was verified by having research participants wear it to evaluate the appearance change caused by the device, the inconvenience of wearing/unwearing, mobility, and the satisfactory functionality of the device. As a result, the grand mean was evaluated to be high, with appearance (4.19), mobility (4.17), and functionality (4.51) being higher than 4.00; which indicates that the heat generation function of the smart girdle is effective. It may be said that such collection and analysis of data that reflect users' opinions have value and significance in that they can be grafted onto future research on new technology as well as they contribute to taking a step forward in the rapidly increasing research of smart clothing, with the new-type clothing equipped with new function.

• 한국주조공학회지
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• 제25권1호
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• pp.23-29
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• 2005

Mechanical characteristics of Hi-Cr cast irons containing 16.8%Cr and 3.0%C were studied with various heat treatments. After as-cast Y-block ingots were annealed fully, the ingots were machined into cylinderical specimens with the size of 9mm in diameter and 20mm in length in order to investigate the effect of heat-treatments on mechanical characteristics of high Cr cast irons. All specimens were heat-treated by quenching- tempering, austempering and cyclic heat at the various temperatures(950, 1000, 1050 and $1100^{\circ}C$) respectively. The wear amount was measured for each heat-treated specimens against the counterpart of a hardened SKD11 steel at the following conditions; wearing velocity: 0.7 m/s, load: 100N and sliding distance: 70 km. After as-cast specimens were annealed, fine $M_{3}C$ carbides were formed, which affected the hardness and the wear resistance of Hi-Cr specimens. High hardness and good wear resistance were appeared on the specimens treated at 950 and $1000^{\circ}C$ and the austempered specimens show excellent wear resistance as well as high hardness.

• 한국안광학회지
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• 제11권4호
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• pp.317-322
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• 2006

본 연구는 굴절이상을 가진 사람 중 난시안이고 스스로 난시량을 알고 있는 사람에 한하여 주로 사용하는 시력교정 기구와 그것에 대한 만족도를 설문 조사하여 분석하였다. 설문 조사 대상자 46명중 시력 교정 수단으로 안경만을 사용하는 사람 11명 외에 35명의 콘택트렌즈 사용자들의 장기간 사용기간에 따라 발생하는 문제점을 경험한 사람이 25명이었고, 시력교정 상태에 매우 만족 외의 항목을 선택한 사람이 대부분을 차지하였다. 만족하지 못한 이유로는 미교정 난시, 잘못된 처방, 잘못된 Base Curve, 렌즈의 사용주기 경과 등이 있었다.

• 방송공학회논문지
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• 제25권1호
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• pp.113-116
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• 2020

본 논문은 360도 동영상과 감각효과(Sensorial Effects)가 피실험자의 몰입도, 만족도, 실재감에 미치는 영향을 측정하기 위한 사용자 경험(Quality of Experience: QoE) 평가 실험 방법을 제안한다. 피실험자는 발향장치가 부착된 헤드 마운티드 디스플레이(Head Mounted Display: HMD)를 착용한 상태에서 감각효과가 동반된 360도 동영상을 경험한 후, 몰입도, 만족도, 실재감에 대한 설문에 응답한다. 응답 분석 결과 제안된 실험방법이 360도 VR 동영상과 감각효과에 대한 피실험자의 몰입도, 만족도, 실재감 등을 측정하기에 적합한 실험 방법임을 확인하였다. 반면, 360도 동영상을 시청하는 도중 비교 실험을 위한 회색 화면을 삽입하게 되면 몰입도와 실재감에 상당한 저하를 일으키는 것으로 파악되었다.

• 한국안광학회지
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• 제18권3호
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• pp.241-246
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• 2013

목적: 본 연구에서는 프리폼 누진렌즈와 일반 누진렌즈를 착용 하였을 때 원거리 대비감도에 미치는 영향을 비교 분석 하였다. 방법: 안질환이 없는 성인 20명을 대상으로 원거리 대비감도 검사를 실시하였고 5단계의 공간 주파수를 갖는 F.A.C.T.(Stereo Optical, USA)를 이용하였다. 우안, 좌안, 양안 순서로 프리폼 누진렌즈와 일반누진렌즈 대비감도를 측정하였다. 결과: 우안/좌안/양안 대비감도 검사 값이 A(1.5 cpd) 공간주파수에서는 일반 누진렌즈에 비교하여 프리폼 누진렌즈가 16%/17%/11%, B(3 cpd) 공간주파수에서는 11%/5%/5%, C(6 cpd) 공간주파수에서는 6%/6%/9%, D(12 cpd) 공간주파수에서는 19%/16%/13%, E(18 cpd) 공간주파수에서는 4%/3%/18% 높았다. 결론: 원거리 대비감도의 모든 공간주파수 영역에서 프리폼 누진렌즈가 일반 누진렌즈보다 측정값이 높게 측정되었다.

• 한국식품조리과학회지
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• 제21권4호
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• pp.536-544
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• 2005

In the results of sensory evaluation, beef steak was preferred with the highest overall acceptability while lamb steak was less preferred than pork in flavor and overall acceptability. Sensory tests were conducted to examine whether taste, aroma, or texture is the dominant contributor to people's ability to identify the animal species of meat. The meat samples used were beef, pork, and lamb. Panelists wearing eye masks ate cooked pieces, patties, and heated soups prepared from the meats of these 3 species with and without pinching their noses to regulate the aroma sensation. The results led us to the conclusion that aroma is the most important contributor to the identification of lamb meat, with texture being the 2nd most important contributor. The contribution of taste appeared much smaller than that of aroma and texture. A sensory evaluation of lamb steaks with added herbs or herbal vegetables showed that steak with ginger and rosemary was preferred as having the significantly highest overall acceptability. It was also more preferred au 3 kinds of steak with added garlic and mint, garlic and rosemary, and ginger and mint in appearance, taste and flavor, although there was no significant difference. In difference test, odor was least noticeable in lamb steak when ginger and rosemary were added. Its taste gained the highest preference level, although the difference was not significant. A sensory evaluation that measured the effect of herbs and herbal vegetables on lamb steaks showed that steak with ginger and rosemary had the significantly highest overall acceptability. The second most preferred was beef steak, which had most significantly preferred in taste, and which ranked lower than lamb in flavor with no significant differences. The difference test showed lamb steak with ginger and rosemary scored the least odor and the highest level of palatability.

• 한국의류산업학회지
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• 제9권5호
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• pp.486-492
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• 2007

The purpose of this study is to investigate the characteristics of the men's costumes of the ruling class of the Heian period by studying the costumes demonstrated in the ${\ll}$Won-si-mul-eo-heo-gwon${\gg}$, a picture album of the Heian period. The findings of this study are as follows. The costumes shown in the ${\ll}$Won-si-mul-eo-heo-gwon${\gg}$, can be classified into two types. One of the types is the costumes that were newly made in the Heian period such as Jik-eui, Su-eui, Ha-seub, Sok-dae-jang-sok. The other type, period including Omoja, Ji-gwan, Pyo-go is the costumes that were made by modifying the costumes of the previous. The costumes of the Heian period were evolved into a new type of outfit by changing the way of wearing them, their form, and their color. The costumes became various in types, became bigger in form, and used various colors. As a result, the costumes of the Heian period were developed into more colorful and fancier compared to those of the previous period. The costumes of the Heian period can be interpreted as japanized-embracing and japanizing the culture of the continent-costumes of the previous period rather than as simply copying the costumes of the continent. The driving force of this phenomenon can be analyzed as the effect of japanization that was widespread in the culture in general of the Heian period. This japanization made it possible to create peculiar and genuine costumes of the Heian period.

• 한국의류산업학회지
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• 제22권1호
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• pp.66-75
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• 2020

This study helps develop cool-touch functional dance sportswear. We suggest a draft design for dance sportswear that chooses appropriate cool-touch functional materials based on an investigation of the changes of body surface temperature before and after exercise, the physical properties of cool-touch materials on the market, and the preference for cooling tools. The results are as follows. First, cool-touch functional sportswear products on the market utilize materials such as PCM, Delta fabric, high gauge fabric, and ice chips as well as incorporate functions such as UV block and eyelets for enhanced breathability. Polyester and polyurethane fibers are mainly used for cool-touch functional sportswear. Second, the neck area showed the highest surface temperatures (32.7℃ and 32.1℃) before and after exercise. Body surface temperatures measured after exercise were also lower than temperatures measured before exercise when wearing dance sportswear. Third, as for the physical properties of cool-touch materials, material 1 showed amaximum drying speed (130 min), material 3 the best moisture absorption speed (122 × 132 min), and material 4 the best thermal conductivity (0.013 7 w/m·K). Fourth, a draft design for a cool-touch functional dance sportswear was suggested, including a neckband made of removable soft PVC material on the neck area and applying material 4 in F1, B4, S2 and lower arm areas and material 1 in the armpit area. Deodorant tape was also attached to the armpit area for added comfort and antibacterial deodorant effect.

• 한국의류학회지
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• 제22권5호
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• pp.597-606
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• 1998

The purposes of the study were 1) to evaluate the visual image of colored Korean traditional dress for woman 2) to analyze the colors and, color combinations effect on the image perception using gestalt theory. The research method was a quasi-experimental with a between subjects design. The experimental materials developed for the study were a set of stimuli and a response scale. The stimuli was consisted of 17 drawings of females wearing Korean tradinational dress, by using CAD simulation. A response scale consisted of semantic differential scales. The subjects were 1138 undergraduate students of Taejon city, Chungnam province and Chungbuk province. Their responses to the semantic differential scales were analyzed using factor analysis, one-way ANOVA, Duncan's multiple range test, 1-test. Results were as follows; 1) The image of the stimulus was consisted of the 4 different dimensions.(sociability, evaluation, visibility, attractiveness) 2) Clothing colors had significant effects on image perception of the evaluation dimension, visibility dimension and attractiveness dimension in the mono-color set. The blue showed the most positive image on the evaluation dimension, and the yellow and the gray showed negative image on the same dimension. The yellow showed the most salient image and the gray showed the least salient image on the visibility dimension. The red showed the most attractive image and the green showed the least attractive image on the attractiveness dimension. 3) In hi-color set stimulus, the perceived image was influenced by color combinations. The yellow blouse-the red skirt set showed the most sociable image on the sociability dimension. The blue blouse-the green skirt set showed the most positive image on the evaluation dimension. The yellow blouse-the red skirt set showed the most salient image and the blue blouse-the green skirt set showed the least salient image on the visibility dimension. And the red blouse-the yellow skirt set showed the most attractive image on the attractiveness dimension. On conclusion the visual image of Korean traditional dress wearer was affected by dress colors and color combinations.