• Title/Summary/Keyword: 건조사

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Wearing Performance of Garment for Emotional Knitted Fabrics Made of PTT/Tencel/Cotton MVS Blended Yarns (II) (PTT/Tencel/Cotton 친환경 MVS 혼방사 편성물의 물성에 관한 연구 (II))

  • Kim, Hyun Ah
    • Fashion & Textile Research Journal
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    • v.17 no.6
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    • pp.1020-1029
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    • 2015
  • This paper investigated the wearing performance of knitted fabrics made of air vortex yarns using PTT/tencel/cotton fibres in comparison with ring and compact yarns for emotional garment. Wicking property of knitted fabric made of MVS yarns was worse than those by ring and compact yarns, however, drying property of knitted fabric made of MVS yarns was better than those by ring and compact yarns, which was explained as more water vapor transport due to larger openness between fibres in the MVS yarns than those in the ring and compact yarns. Thermal conductivity of knitted fabric made of MVS was lower than those of ring and compact yarns and maximum heat flow(Qmax) at the transient state of MVS knitted fabric was lower than those of ring and compact yarns, which may be attributed to MVS yarn structure that has parallel fibres in the core part of the yarn and fasciated fibre bundles on the sheath part with roughness on the yarn surface. However, pilling of MVS knitted fabric was better than those by ring and compact yarns, which was caused by less and shorter hairy fibres protruded from MVS yarn surface than those of ring and compact yarns. It was observed that tactile hand of MVS yarn knitted fabrics was stiffer than those of ring and compact yarns knitted fabrics. It was explained by low extensibility and compressibility and high bending and shear rigidities of the MVS yarn knitted fabrics, which resulted in bad wearing performance of MVS knitted fabric.

Grouping Preferred Sensations of College Students Using Sementic Differential Methods of Sensation Words (선호감성 어휘분석을 통한 남녀 대학생의 감성 유형화)

  • 나영주;조길수
    • Science of Emotion and Sensibility
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    • v.5 no.1
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    • pp.9-16
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    • 2002
  • This study was designed to cluster the preferred sensibilities of college students, and to distinguish the most preferred sensibility according to gender and their inter-subject differences. 98 of sensibility adjectives were composed into questionnaire with SD method and the data of 176 students were analyzed in ANOVA, Cluster and Correspondence analysis using SAS package. College students were divided into 10-sensibility clusters: the Casual(no-decoration casual, cool-dynamic casual and elaborate-clean casual), the Romantic Modem, the Simple Natural, the Classic(craft-romantic classic and monotonous classic), the Expressionless, the Gorgeous, and the Traditional Folklore. The adjectives and the sensibility clusters of students were visualized together into 2-D with two axis of static vs. dynamic and light vs. heavy.

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Effect of Pre-soaking in Salt and Sugar Solutions before Air Drying on Quality Characteristics of Dried Apples (염 및 당 침지 처리가 건조 사과의 품질특성에 미치는 영향)

  • So, Seul-Ah;Kim, Jong-Won;Kim, Ah-Na;Park, Chan-Yang;Lee, Kyo-Yeon;Rahman, Muhammad Shafiur;Choi, Sung-Gil
    • The Korean Journal of Food And Nutrition
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    • v.29 no.5
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    • pp.808-817
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    • 2016
  • In this study, we investigated the effects of pre-soaking in salt and sugar solution prior to air drying at $50^{\circ}C$ on the characteristics of dried apples. Pre-soaking solutions included single solutions of salt 2% and sugar 2%; and combined solutions of salt 2%+sugar 2% and salt 2%+sugar 5%, respectively. The effects of pre-soaking condition and drying were evaluated in terms of moisture content (MC), water activity, color, antioxidant activity determined by DPPH radical scavenging activity, shear force, microbial contents, and sensory evaluation of apple slices. The control sample without pre-soaking showed the most rapid drying rate; in addition, the single solutions showed higher MC and water activity after drying time of 120 min, as compared to combined solutions. In all samples, MC and water activity showed high correlation coefficients of 0.91 to 0.97; whereas, shear force was negatively correlated with MC and water activity. The single solution of salt 2% showed decrease in change of color, including L, a, and b values, and the number of aerobic bacteria during drying. In addition, highest antioxidant activity and values of sensory preferences were observed in the dried apple pre-soaked in single solution of salt 2%.

가시오가피와 더덕 추출물을 첨가한 발효유가 마우스의 면역 기능에 미치는 영향

  • Im, Sang-Dong;Kim, Gi-Seong;Seong, Gi-Seung;Sim, Jin-A;Han, Dong-Un
    • Proceedings of the Korean Society for Food Science of Animal Resources Conference
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    • 2006.05a
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    • pp.286-292
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    • 2006
  • 가시오가피와 더덕 추출물을 첨가한 발효유가 마우스의 면역 기능에 미치는 영향을 알아보기 위하여 선발된 수컷 마우스를 대상으로 하여 발효유에 가시오가피와 더덕 열수 추출 건조물(가시오가피:더덕=8:2)을 혼합하여 투여한 그룹 1mg/mL(A), 3mg/mL(B), 9mg/mL(C)의 3 그룹으로 나누어 임상 적용 경로인 경구 투여를 선택하여 발효유를 각각 3mL/kg씩 위내로 직접 투여하였다. 대조군은 발효유만 먹인 그룹(D)과 식염수만 먹인 그룹(E)을 두었다. 실험 결과 모든 그룹에서 마우스의 증체량과 체중 증가는 유의성이 없었고, 7주와 10주령에 안락사 시킨 마우스의 각 장기인 간, 신장, 심장, 폐, 고환의 무게에서도 유의성이 없었다. 비장 계수는 7주령에서는 B군에서 유의성 있는 차이를 보였고 10주령에는 C군에서 유의성 있는 증가가 관찰되었다(p<0.05). 비장 계수는 식이 지속 기간이 길어질수록 증가되었고, 흉선 계수는 B군에서 유의성 있는 증가가 관찰되었다(p<0.05). 항체 생산 세포수는 가시오가피와 더덕을 급여 한 군 모두에서 대조군에 비해 증가하였으며, 특히 A, C군에서는 유의성(p<0.05)이 있었다. 모든 그룹에서 항체 생산 세포수는 10주령에서 7주령에 비하여 감소하는 경향을 보였다. 항원에 대한 항체 생성량을 알아보기 위하여 혈구 응집 반응을 실시한 결과 가시오가피와 더덕을 급여한 군에서 대조군에 비하여 증가하는 경향을 보였고 7주령 A, C 군에서는 유의성 있는 차이를 보였으나 10주령 에서는 C군에서만 유의성있는 차이가 나타났다(p<0.05).

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Chemical Compositions of Agaricus blazei Murill Fruiting Bodies Cultivated in a Korean Local Farm (한국산 아가리쿠스 버섯의 일반성분 분석)

  • 이문한;이후장;조일상
    • Journal of Food Hygiene and Safety
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    • v.13 no.2
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    • pp.94-98
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    • 1998
  • Agaricus blazei Murill, a mushroom which is well known as a potent antitumor agent, contains abundant pharmaceutical substances. To identifY the major components of Agaricus blazei Murill fruiting bodies cultivated in a Korean local farm was analyzed. There were not large differences in chemical compositions of inorganic substances, carbohydrates, amino acids and fatty acids between Agaricus blazei Murill fruiting bodies cultivated in Korea and those in Japan. However, carbohydrate composition was significantly lower in Agaricus blazei Murill of Korea compared to those of Japan. Total amino acid contents were 280.75 mg% in Agaricus blazei Murill fruiting bodies. Sixteen species of amino acid were identified by high performance liquid chromatography except cysteine. Linoleic acid, the most abundant fatty acid contained in Agaricus blazei Murill fruiting bodies, was estimated to be 78.3% of total fatty acids.

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Taxol Production in Taxus Cell Cultures : 2. Effects of Sugar Concentration (주목 세포배양에 의한 Taxol 생산:2. 당농도의 영향)

  • 김진훈;박인석
    • KSBB Journal
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    • v.9 no.5
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    • pp.450-456
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    • 1994
  • The effects of sucrose on cell growth and anticancer drug taxol production were investigated in cell suspension cultures of Taxus cuspidata. The cells were cultured at various concentrations of sucrose (20 to $100g/\ell$). The highest specific growth rata was achieved at $40g/\ell$ of sucrose as 0.076 day-1 and the highest final cell density, 34 g DCW/$\ell$ after 25 days of culture, was obtained at $60g/\ell$ of sucrose. The cell yield(Yx/s) was found to be 0.55g cell/g sucrose and doubling time (Td) was 9.12 day. High concentration of sucrose (80, $100g/\ell$) and the addition of osmoticum enhanced the production of taxol significantly. The maximum taxol production was $1.36mg/\ell$ at $80g/\ell$ of sucrose, which was 0.01% as a specific content.

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A Study on the Seafarers Education for Cabotage in KOREA (한국의 카보타지를 위한 선원양성에 관한 연구)

  • Kim, Sung-Kuk
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.21 no.6
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    • pp.712-720
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    • 2015
  • The cabotage rule has been protecting the domestic industry from foreign competitions as a kind of trade barrier. In the United States, the shipbuilding industry has been maintained with the help of to the strict cabotage operations by reinforcing advantages for domestic crews and ships which are built in the U.S. For most countries, cabotage has been granted legitimacy in their coastal shipping by Low Carbon Transport in terms of economic and emergency reasons. The cabotage rule is required in the stable supply of the seafarers which rely on the legitimate maritime education. This study analyzes Korean cabotage system and the problems with regard to seafarers education. It is found that the resolution is set up the cabotage act such as Jones Act, U.S.

Genotoxicological Safety of the ${\gamma}$-ray Irradiated Astragali Radix, Glycyrrhizae Radix and Aurantii nobilis Pericarpium in the Ames Test (Ames test를 이용한 감마선 조사 황기, 감초 및 진피의 유전독성학적 안전성 평가)

  • 함연호;육홍선;조성기
    • Food Science and Preservation
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    • v.8 no.1
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    • pp.54-59
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    • 2001
  • The three medicinal herbs, Astragali Radix, Glycyrrhizae Radix and Aurantii nobilis Pericarpium, irradiated with γ-rays have been tested for their possible genotoxicity. The hot water extracts of the 10 kGy γ-ray irradiated herbs were examined in the Salmonella mutagenicity test(histidine reversion assay; Ames test) using Salmonella. typhimurium TA98 and TA100 as tester strains. No mutagenicity was detected in this assay both with and without metabolic activation. The safety of the herbs irradiated with γ-rays at tactical doses needs to be evaluated in further tests of genotoxicity in vivo and chronic and reproductive toxicity.

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북극항로 운항 선박의 항해안전지원시스템(KARS) 개발 개요

  • Gang, Guk-Jin;Jeong, Seong-Yeop;Kim, Jeong-Jung;Jeong, Seong-Heon;Yang, Chan-Su;Kim, Hyeon-Su;No, Myeong-Il
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2018.11a
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    • pp.170-172
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    • 2018
  • 지구 온난화로 인해 여름철 북극해의 해빙이 점차 감소함에 따라서 북극항로를 이용한 선박의 화물운송이 점차 증가하고 있다. IMO에서는 극지해역운항선박의 안전성과 해양오염방지를 위하여 2014년에 Polar Code를 개정하였으며, 2017년 1월부터 SOLAS협약과 MARPOL73/78협약에 추가되어 시행되고 있다. 본 연구는 해양수산부 해양안전 및 해양교통시설기술개발 사업으로 1) Polar Code 강제화에 따라 '극지해역 운항선박용 항해안전지원시스템의 개발'의 필요성과 2) 북극항로에 대한 국적선의 안전 운항 확보를 위한 '북극권 국가와의 국제협력 및 공조체계 구축'과 '극지 구난, 구조 및 환경보호 관련 국내법 및 규정 제정'을 위한 기반 연구의 필요성에 의거하여 2014년 11월 10일에 시작되었으며 2018년 12월 31일에 종료될 예정이다. 연구내용은 1) 고정밀도 북극항로 빙상정보 수치예측 시스템 개발, 2) 북극항로 안전속도 예측, 평가, DB구축 및 항행 모델 개발, 3) 북극항로 안전운항을 위한 항해계획 기술 개발, 4) 북극항로 운항선박 건조 및 안전항해 가이드라인 개발이다. 본 논문에서는 개발 중인 KRISO Arctic safe Routing System (KARS)에 대한 소개와 활용 결과 및 향후 계획에 대해서 설명하고자 한다. 본 KARS는 향후 지속적인 수정보완 작업을 통해서 완성도를 높여갈 예정이며, 검증단계를 거쳐서 최적하고 안전한 항로와 운항 관련 정보를 선사와 해기사에게 제공함으로서 북극항로 중 단기 운항계획 수립과 안전 운항을 지원할 수 있을 것으로 기대된다.

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Studies on the Chemical Components of Elephant - foot Produced in Korea (한국산 곤약의 성분 조성에 관한 연구)

  • 이성갑
    • Journal of the Korean Professional Engineers Association
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    • v.28 no.5
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    • pp.12-19
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    • 1995
  • Korean fresh elephant -foot (Amorphophalus Konjak K. Koch) and its powder were analyzed and compared with foreign samples for the purpose of investigating the physico -chemical characteristics of Korean konjak. The Korean fresh konjak contains 80.64% of moisture and most of the solid component comprises sugar, protein and trace of fat and fibre. The mannan content of Korean konjak powder is far smaller than those of Japanese and Chinese konjak powder. The analysis of the korean konjak protein tells that 45% of glutamic acid, aspartic acid and argi-nine is included other remaining amino acid is larger with the order of valine, serine, leucine, and gly-cine. The Korean konjak contains a moderate amount of K component and other inorganic component increases with the order of P Na and Ca. The yield of konjak refined powder from dried chip was 61% and 51.5% of korean and chinese re-spectively. The whiteness degree of chinese konjak powder was slightly higher than that of korean product but the difference could not be recognized by the naked eye.

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