• 제목/요약/키워드: traditional industries

검색결과 429건 처리시간 0.025초

Taxonomic Characterization, Evaluation of Toxigenicity, and Saccharification Capability of Aspergillus Section Flavi Isolates from Korean Traditional Wheat-Based Fermentation Starter Nuruk

  • Bal, Jyotiranjan;Yun, Suk-Hyun;Chun, Jeesun;Kim, Beom-Tae;Kim, Dae-Hyuk
    • Mycobiology
    • /
    • 제44권3호
    • /
    • pp.155-161
    • /
    • 2016
  • The most economically important species used in a wide range of fermentation industries throughout Asia belong to Aspergillus section Flavi, which are morphologically and phylogenetically indistinguishable, with a few being toxigenic and therefore a major concern. They are frequently isolated from Korean fermentation starters, such as nuruk and meju. The growing popularity of traditional Korean alcoholic beverages has led to a demand for their quality enhancement, therefore requiring selection of efficient non-toxigenic strains to assist effective fermentation. This study was performed to classify the most efficient strains of Aspergillus section Flavi isolated from various types of traditional wheat nuruk, based on a polyphasic approach involving molecular and biochemical evaluation. A total of 69 strains were isolated based on colony morphology and identified as Aspergillus oryzae/flavus based on internal transcribed spacer and calmodulin gene sequencing. Interestingly, none were toxigenic based on PCR amplification of intergenic regions of the aflatoxin cluster genes norB-cypA and the absence of aflatoxin in the culture supernatants by thin-layer chromatography analysis. Saccharification capability of the isolates, assessed through ${\alpha}-amylase$ and glucoamylase activities, revealed that two isolates, TNA24 and TNA15, showed the highest levels of activity. Although the degrees of variation in ${\alpha}-amylase$ and glucoamylase activities among the isolates were higher, there were only slight differences in acid protease activity among the isolates with two, TNA28 and TNA36, showing the highest activities. Furthermore, statistical analyses showed that ${\alpha}-amylase$ activity was positively correlated with glucoamylase activity (p < 0.001), and therefore screening for either was sufficient to predict the saccharifying capacity of the Aspergillus strain.

An Exploratory Study on the Relationship between Country Image and the Evaluation of Fashion Products Influenced by the Ethnic Dress of Asians

  • Medvedev, Katalin;Lee, Yu-Ri;Choi, Yun-Jung
    • 한국의류학회지
    • /
    • 제34권12호
    • /
    • pp.2022-2038
    • /
    • 2010
  • Our study was designed to provide some insights on positive country image and the mechanisms of influence that Asian fashion industries can draw upon for future benefit. We focused on a country image and fashion products with Asian ethnic influence. Asian traditional costume elements reflected in contemporary fashion products may be important representative tools for national cultural identity. This study qualitatively investigated how and to what extent country image and additional information influence the evaluation of fashion products influenced by Chinese, Japanese, and Korean traditional dress. We conducted four focus-group interviews (FGI) with 30 students from a fashion program at a university in the United States. We analyzed the evaluation of fashion products influenced by Chinese, Japanese, and Korean traditional dress, and their associations with country image. Our qualitative analysis offered more developed empirical evidence for the various paths through which country image affects the evaluation of fashion products influenced by the ethnic dress of Asians. The results of our study showed that the more direct the source of prior knowledge, the larger the influence on product evaluation. This study showed that certain cues in the evaluation of fashion products with Asian ethnic influence induce changes in the affective state (that stem from the psychological and social nature of fashion products) and illustrate the necessity of considering the affective processes involved in the appropriate use of the country image. In the fashion industry, extrinsic properties such as the country image significantly influence the attitude and purchasing decisions of consumers. The significance of this study lies in its verification of the relationship between the country image and additional information. Modular and situational-contextual influences are also revealed as important factors that deserve more attention, as well as considerations regarding the dimensions of the country image described in attitude theory.

텍스타일 스트럭처 원리와 연계된 3D 프린팅 개발 유형 분석 (Analysis of the Type of 3D Printing Development Linked with the Textile Structure Principle)

  • 김효진;김성달
    • 패션비즈니스
    • /
    • 제22권2호
    • /
    • pp.1-13
    • /
    • 2018
  • 3D printing technology, which is expected to play a leading role within the Fourth Industrial Revolution, is becoming distinguished not only in the space, automotive, medical and engineering industries, but also in the area of design. The fashion and textile structures created by 3D printing technology were classified into three types - basic structure, unified structure, and a new physical structure. When traditional weaving, knitting, and stitching was reinterpreted through 3D printing, there were apparent limitations in reproducing the characteristics of fabric structures due to differences in the materials and structures of traditional textiles. New physical structures are being developed to break away from merely reproducing traditional textile structures, and to bring out the characteristics of 3D printing technology. As examples of new physical structures, there are the kinematics structure which utilizes the hinge method, mesostructure cellular material, and the N12 disk structure. Such techniques potentially open a new paradigm of fashion and textile structures. Some innovative aspects of 3D printing technology may result in changes in the methods of collaboration, manufacturing, and distribution. Designers are receiving help from specialists of various backgrounds to merge 3D printing technology to create original works. Also, 3D printing not only makes personalized custom designs available, but shortens the distribution channels, foretelling a change within the fashion and textile industry.

Human Error Probability Determination in Blasting Process of Ore Mine Using a Hybrid of HEART and Best-Worst Methods

  • Aliabadi, Mostafa Mirzaei;Mohammadfam, Iraj;Soltanian, Ali Reza;Najafi, Kamran
    • Safety and Health at Work
    • /
    • 제13권3호
    • /
    • pp.326-335
    • /
    • 2022
  • Background: One of the important actions for enhancing human reliability in any industry is assessing human error probability (HEP). The HEART technique is a robust tool for calculating HEP in various industries. The traditional HEART has some weaknesses due to expert judgment. For these reasons, a hybrid model is presented in this study to integrate HEART with Best-Worst Method. Materials Method: In this study, the blasting process in an iron ore mine was investigated as a case study. The proposed HEART-BWM was used to increase the sensitivity of APOA calculation. Then the HEP was calculated using conventional HEART formula. A consistency ratio was calculated using BWM. Finally, for verification of the HEART-BWM, HEP calculation was done by traditional HEART and HEART-BWM. Results: In the view of determined HEPs, the results showed that the mean of HEP in the blasting of the iron ore process was 2.57E-01. Checking the full blast of all the holes after the blasting sub-task was the most dangerous task due to the highest HEP value, and it was found 9.646E-01. On the other side, obtaining a permit to receive and transport materials was the most reliable task, and the HEP was 8.54E-04. Conclusion: The results showed a good consistency for the proposed technique. Comparing the two techniques confirmed that the BWM makes the traditional HEART faster and more reliable by performing the basic comparisons.

우리나라 재래공업 산지의 사회적 분업 - 담양죽제품과 여주 도자기 산지를 사례로 - (Social division of labor in the traditional industry district - foursed on Damyang bamboo ware industry of Damyang and Yeoju pottery industry of Yeoju, South Korea)

  • 박양춘;이철우;박순호
    • 대한지리학회지
    • /
    • 제30권3호
    • /
    • pp.269-295
    • /
    • 1995
  • 본 연구에서는 담양 죽제품과 여주 도자기 산지를 사례로 재래공업 존립의 중요한 요소인 산지내 사회적 분업의 실태, 특성 그리고 의의를 밝히고자 하였다. 산지내 사회적 분 업은 주로 원자재조달과 제품생산, 제품생산과 제품판매간에 이루어지고 있으며, 생산공정상 의 사회적 분업 및 제품생산 부문과 그 관련시설, 기계제작 부문간의 사회전 분업은 부분적 으로 이루어지고 있다. 그 성격에 있어서는 담양 죽제품산지는 산지완결형의 그리고 여주 도자기 산지는 미산지완결형의 특성이 강하다. 그리고 사회적 분업체계를 구성하는 기업들 은 독자성을 가진 수평적 분업체계를 유지하고 있으나 수요변화에 적극적으로 대응하기 위 한 신제품의 개발과 판로개척을 선도할 수 있는 기업이 밭달하지 못하고 있다. 산지존립에 있어서의 사회적 분업의 의의로는 생산공정의 세분화와 업종분화를 통해서 노동력 부족을 극복함과 동시에 생산비를 절감할 수 있고 소자본의 신규참여를 용이하게 하고 경기변동에 따른 위험부담을 분산하며 다방면에 걸친 축적된 노-하우를 활용한 업종과 제품의 전환을 통하여 제품의 다양화와 제품수명주기가 연장된다는 점을 들 수 있다.

  • PDF

GIS를 활용한 도심 공간기능분석과 유형화에 관한 연구 (The Study on the Downtown Spatial Functional Analysis and Downtown Classification using GIS)

  • 김흥관;신용은;백태경;강기철;정희수;오주헌;여성준
    • 한국지리정보학회지
    • /
    • 제10권4호
    • /
    • pp.75-86
    • /
    • 2007
  • 부산시의 도심(축)에 속하는 15개 동을 대상으로 2000년, 2005년 두 개 연도를 LQ지수와 군집분석을 통해 도심의 공간기능에 대하여 연구하였다. 2000년도의 LQ지수를 분석한 결과 2차산업은 재래시장과 대규모 상권이 형성된 지역에 특화되어 나타나고 있으며, 3차산업은 금융권이 집중되어 있는 지역에서 특화되어 나타나고 있다. 2005년도의 LQ지수는 2000년도의 LQ지수와 거의 변화가 없었으나, 3차산업에 속하는 도심의 중심업무기능이 구도심에서 급격히 쇠퇴하고 신도심으로 대변되는 서면지역에서 높게 나타나 특화되고 있었다. 이는 과거 구도심의 중심업무기능이 신도심으로 이동함에 따라, 구도심의 도심의 성격을 지닌 주요 기능이 쇠퇴하고 있음을 나타낸다. 그 다음으로 LQ지수를 이용하여 군집분석을 실시한 결과, 3개 군집으로 분류 할 수 있었다. 먼저 1군집은 도심 쇠퇴현상이 나타나는 구도심지역이고, 2군집은 주거기능이 강하게 나타나는 지역이며, 3군집은 현재, 도심의 공간기능이 매우 활발히 일어나고 있는 지역이다. 이에 본 연구에서는 다음과 같은 결과가 도출되었다. 첫째, 구도심의 쇠퇴를 억제할 수 있는 다양한 도심재생방안 수립과 신도심에 대한 종합적이고 체계적인 계획의 수립이 필요할 것이다. 둘째, 산업별 특화도에 따라서 도심 공간기능이 배치되므로 이에 지역에 적합한 산업의 도입과 함께 발전을 할 수 있는 기반의 조성이 필요할 것이다.

  • PDF

기능성 색소/MMA공중합체의 합성과 광학적 특성 (Synthesis and Optical properties of Functional Dye/MMA Copolymers)

  • Lee, Bum-Hoon;Park, Jong-Ho;Yaung, Jae-Yun
    • 한국섬유공학회:학술대회논문집
    • /
    • 한국섬유공학회 2003년도 봄 학술발표회 논문집
    • /
    • pp.214-217
    • /
    • 2003
  • In recent years the focus of research in dye chemistry has largely changed from involvement in the traditional chemistry of dyes and pigments to investigations of functional dyes. With the development of the elcetronics and information industries, the importance of functional dyes has increased. Many research papers have been published concerning new synthetic methods and mechanicsm of functional dyes. Highly functionalized dicyanopyrazine derivatives can be used as fluorescent dyestuffs, emitters for electroluminescent devices tec. (omitted)

  • PDF

Tools of Competitive Analysis for Internet Ventures: A Comparative Analysis of Merchandising and Service Providers of Health Care

  • Kim, Steven H.;Kim, Hyun-Hee
    • 한국지능정보시스템학회:학술대회논문집
    • /
    • 한국지능정보시스템학회 1999년도 추계학술대회-지능형 정보기술과 미래조직 Information Technology and Future Organization
    • /
    • pp.251-259
    • /
    • 1999
  • In the literature, the general framework of competitive forces has been used extensively to analyze industries in the traditional economy. More specifically, the model has been used to develop strategies for companies in various sectors. The general model can also be used to analyze the use of information technology to enhance competitive advantage. This paper extends the conceptual model to the Internet environment. For concreteness, the concepts are examined in the context of the health care industry. In addition, a comparative analysis is performed to examine the similarities and differences in providing merchandise or services in cyberspace.

  • PDF

전력시장에 적용 가능한 새로운 전원개발계획문제 모델링 (Modeling New Generation Expansion Planning Problems for Applications in Competitive Electric Power Industries)

  • 김진호;박종배;박준호
    • 대한전기학회논문지:전력기술부문A
    • /
    • 제53권9호
    • /
    • pp.521-528
    • /
    • 2004
  • The demise of the native franchise markets and the emergence of competitive markets in electricity generation service is substantially altering the way that operation and planning activity is conducted and is making it increasingly difficult for market participants such as generation firms to prospect the future electricity markets. Traditional generation expansion planning (GEP) problems which centrally determine the least-cost capacity addition plan that meets forecasted demand within pre-specified reliability criteria over a planning horizon (typically 10 to 20 years) is becoming no more valid in competitive market environments. Therefore, it requires to develop a new methodology for generation investments, which is applicable to the changed electric industry business environments and is able to address the post-privatization situation where individual generation firms seek to maximize their return on generation investments against uncertain market revenues. This paper formulates a new generation expansion planning problem and solve it in a market-oriented manner.

은행나무 수피 추출액에 의한 천연섬유의 염색( I ) -색소분석 및 염착성- (Dyeing of Natural Fibers with Extract of Ginkgo biloba Bark(I) - Pigments Analysis and Dyeability -)

  • 최순화;조용석
    • 한국염색가공학회지
    • /
    • 제13권5호
    • /
    • pp.306-311
    • /
    • 2001
  • Natural colorants haute attracted much attention all over the world because of their non-hazardous nature. The world is becoming increasingly aware of environmental Issues, such as ozone layer depletion, water pollution and waste disposal problems. The use of synthetic dyestuffs for their synthesis and application in the dyeing industries has been criticized due to introduction of contaminants into the environment. This has led to the desire to turn to the traditional, and more natural way of life. In this study, the colorants of extract of Ginkgo biloba bark were analysed and their dyeing properties on silk, wool and cotton were studied. It was found that uv-visible absorption spectra of extract of Ginkgo biloba bark showed two strong absorption Peaks in the range of 240 ∼400 In. From the result of IR spectra, the major ingredient of extract of Gikgo biloba bark seems to be the flavon which is one of the flavonoid derivatives. Silk, wool, and cotton dyed with the extract of Ginkgo biloba bark showed a reddish yellow color. Their color differences were increased drastically with repetition of dyeing by three times.

  • PDF