• Title/Summary/Keyword: Technology and Culture

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Methodology of Lymphocytes Culture for Animal Chromosome Preparation (동물 염색체 분리를 위한 최적 혈액배양 조건에 관한 연구)

  • Sohn, Sea-Hwan;Lee, Jung-Up
    • Reproductive and Developmental Biology
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    • v.35 no.3
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    • pp.257-263
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    • 2011
  • In general, the blood cell culture is a common method for animal chromosome preparation. However, every animal and its cells have unique physiological characteristics and functions. Hence, it is very difficult to find the suitable method of chromosome preparation using animal lymphocyte culture. This study was carried out to fine the suitable method of chromosome preparation using lymphocytes cultures in mammalians and aves including cattle, rat, mouse and chicken. To seek the optimal method of lymphocyte culture in each animal, $2^3$ factorial experiment was designed. The design evaluated three main effects in culture duration, kinds of mitogen supplements and colcemid exposure time with two levels within each effect. The mitotic index and the score of chromosome morphology were analyzed. In results, the suitable methods of lymphocyte culture for chromosome preparation were 72 hours culture, pokeweed mitogen(PWM) supplement and 90 minutes of colcemid exposure in cattle, 72 hours culture, PWM supplement and 50 minutes of colcemid exposure in chicken, 96 hours culture, concanavalin A supplement and 90 minutes of colcemid exposure in rat, and 72 hours culture, PWM supplement and 50 minutes of colcemid exposure in mouse, respectively. In conclusion, kinds of mitogen, culture duration and colcemid exposure time significantly affected the mitotic index and chromosome morphology, in animal lymphocyte culture. The interaction effects between/among treatment factors were also statistically significant.

Research about Competitive Power High Position of Food-Service Industry - Laying Stress on Eating Out Company Interior Factor - (외식기업의 경쟁력 강화 요인에 관한 연구 - 외식기업 내부요인을 중심으로 -)

  • 유택용;박면애
    • Culinary science and hospitality research
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    • v.10 no.3
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    • pp.83-96
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    • 2004
  • According to construction of global administration environment, all over the world was ended up in infinite competition period. Because eating out company also competes with another company, it must enjoy competitive power high position to secure high position continuously, classified by formation constituent's individuation and two aspects of organic special quality by the factor. Individuation classified by formation constituent's business ability, personal relations, age factors of Information Technology, and organic special quality classifies by factor of formation culture and result that analyze eating out company's business condition competitive power reinforcement effect factor is same as following. First, was construed by company culture, personal relations, business ability period of ten days with family Restaurant, and Information Technology showed that do not influence. Competitive power reinforcement effect factor with special restaurant was construed by company culture, personal relations, business ability period of ten days, and fast food company culture and Information Technology factor with hotel restaurant company culture by competitive power reinforcement effect factor construe.

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Science in Public: Theoretical Trends and Policy Issues (대중과 과학기술: 이론적 흐름과 정책적 이슈)

  • 송성수
    • Journal of Korea Technology Innovation Society
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    • v.6 no.2
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    • pp.137-158
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    • 2003
  • This paper examines theoretical trends and policy issues concerning science and public. The dominant perspective about it was changed from “popularization of science” to “public understanding of science (PUS)”. PUS pays attention to active roles of public in the understanding of science based on the contextual model. And recently various concepts are attempted to complement PUS such as “heterogeneous PUS”, “quantitative PUS”, “public understanding of research”, and “public participation in science”. PUS related activities in Korea can be analyzed using the concept of “science and technology culture system”. The characteristics of science and technology culture system in Korea can be summarized as follows: Its purpose is confined to support existing national innovation system; Its constituents have been unevenly and separately developed; Its material and institutional infrastructure is not sufficiently prepared; Its organizing mechanism is strongly influenced by government's execution power.

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Mass Culture of Ultra-small Rotifer, Synchaeta kitina at the Exchange Rate of Culture Water and Initial Inoculation Density (환수율 및 접종밀도에 따른 초소형 rotifer, Synchaeta kitina의 대량배양)

  • Oh, Jeong-Soo;Park, Jin-Chul;Park, Heum-Gi
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.42 no.4
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    • pp.354-359
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    • 2009
  • The productivity of ultra-small rotifer, Synchaeta kitina was investigated at the exchange rate of culture water (10, 20, 30, 40 and 50%) and initial inoculation densities (250, 600 and 900 inds. per mL) in semi-continuous culture. Also, the possibility of mass culture was investigated in a 100 L culture tank. Tetraselmis suecica was used as the feed for S. kitina in all experiments. The production of S. kitina increased with an increase in exchange rate of culture water. The highest production ($82.0{\times}10^5$ inds.) was achieved at 40% exchange rate of culture water. The production of S. kitina increased with an increase of initial inoculation density during the first week and the highest total production ($17.4{\times}10^6$ inds.) was achieved at 900 inds. per mL of initial inoculation density. However, on the second week, all treatments were not significantly different in total production (P>0.05). During the two weeks, total production of S. kitina at 900 inds. per mL of initial inoculation density was higher than at 600 inds. of initial inoculation density, but there was no significant difference (P>0.05). In the 100 L culture tank, density of S. kitina was kept from 516 to 890 inds. per mL and S. kitina was daily harvested $15.5{\times}10^6$ to $26.7{\times}10^6$ during the experimental period. The production cost for 100 million rotifers in semi-continuous culture was 63,656 won. The results from this study indicate that the optimal exchange rate of culture water and initial inoculation density for the semi-continuous culture of ultra-small rotifer, S. kitina are 40% and 600 inds. per mL, respectively.

Study on the Effect of Creative Characteristics of Culture and Arts Organization Workers Regarding Self-efficacy and Business Performance

  • Jang, Ha-Soo
    • International Journal of Advanced Culture Technology
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    • v.7 no.2
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    • pp.52-59
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    • 2019
  • The creative characteristics of Culture and Arts organization workers who connect consumers and producers of culture and arts(artists, creators, and producers) are very important in the culture and arts field. Where the cultural and arts organization workers are very important as their achievements are directly related to the appreciation of culture and art. The purpose of this study is to investigate the effect of creativity on cultural and artistic organizations workers regarding self-efficacy and work performance. The research was conducted on 208 people in national and public cultural organizations and art organizations in Gwangju Jeollanam-do. As a result of the research, originality and challenge of creative characteristics have a positive effect on self-efficacy. However, openness did not have a statistically significant effect on self-efficacy. In addition, self-efficacy has a positive effect on job performance.

A Discussion on the Coupling of Traditional National Sporting Events and the Tourist Value

  • Han, Yahui
    • International Journal of Advanced Culture Technology
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    • v.10 no.4
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    • pp.355-360
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    • 2022
  • The Yellow River, one of the longest rivers in the world and the second longest river in the north of China, enjoys the reputation of "Mother River". In recent years, more and more researches have pointed to the traditional culture of the Yellow River Basin. The traditional sports of the Yellow River basin belong to the ancient culture of the Yellow River basin. We assume the responsibility in protection and inheritance. This paper from the coupling of tourism and traditional sports to unfold the study by using the methods of literature and data, logical analysis, expert interview methods and so on: 1. The development of tourism leads to the development of Chinese traditional sports. 2. Tourism can make traditional sports get around and promote them as a kind of culture. 3. Let more people know, understand and learn traditional sports culture in a comfortable way, so as to pave the way for the inheritance of traditional sports. The research results of this paper can provide theoretical basis for more research on the development and inheritance of traditional culture in the Yellow River Basin.

A study on the corporate culture of Dianping

  • Wei, Feng-Ping;Choi, Myeong-Cheol;Shang, Xian-Fa
    • International Journal of Advanced Culture Technology
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    • v.7 no.4
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    • pp.69-75
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    • 2019
  • In recent years, with the development of IT technology and mobile communication, the powerful communication function of the Internet will gradually eliminate the information asymmetry between supply and demand, and the third-party review website emerges as The Times require. Dianping.com was founded in 2003. After a few years of development, it has become an independent third-party consumer review website worldwide. One of the reasons for such great success is corporate culture, which plays an important role in human resource management. The competition of enterprises is not only the competition of products and cost advantages, but also the superior enterprise culture presented to customers in the international environment. The competition between third-party review sites has been very fierce. In just a few years, many foreign third-party review websites went public and made profits, but some domestic start-ups went bankrupt due to the lack of a good business model and corporate culture. A good business model is particularly important. Taking dianping.com as the research object and combining with the business model of the company, this paper studies the unique corporate culture of dianping.com, hoping to help the company through the investigation and research of this paper, so as to improve the company in the future. And put forward a certain practical significance and value.

A Study on the Characteristics of Fashion Paradigm According to Changing Convergence Culture (융합화 문화변화에 따른 패션 패러다임 특성 연구)

  • Kim, Mi-Hyun
    • Journal of the Korean Society of Costume
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    • v.56 no.7 s.107
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    • pp.101-114
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    • 2006
  • The purpose of this study was to delve into the features of paradigm in conjunction with changing convergence culture in the 21st century's knowledge-based society, the influence of convergence paradigm on fashion, and changes in convergence culture. After identifying the features of the paradigm of knowledge-based society in association with changing convergence culture, the characteristics of fashion paradigm were examined in con=junction with the characteristics of the paradigm, and the convergence phenomena of modern fashion were investigated to figure out fashion trends. The findings of the study were as follows: According to the features of ubiquitous technology based on the theories of Mark Weiser and other futurologists, the characteristics of changing convergence culture in knowledge-based society could be classified into invisibility, relationship and materialized virtuality. When relevant theories were reviewed, invisibility, relationship and materialized virtuality are identified as the unique features of the paradigm of changing convergence culture in knowledge-based society. But those characteristics aren't separate concepts. Instead, they are being connected and fused together, thanks to universalized digital technology and ubiquitous technology. Changing convergence culture has brought a change to fashion paradigm as well. There is a type of design that lets all the characteristics stand out, and another design fuses just some of them together conceptually or formally. That is, fashion paradigm is marked by a combination of invisibility, relationship and an embodiment of virtual reality to be in line with changes in convergence culture.

Isolation, Culture and Identification of Porcine Skeletal Muscle Satellite Cells

  • Li, Bo-jiang;Li, Ping-hua;Huang, Rui-hua;Sun, Wen-xing;Wang, Han;Li, Qi-fa;Chen, Jie;Wu, Wang-jun;Liu, Hong-lin
    • Asian-Australasian Journal of Animal Sciences
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    • v.28 no.8
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    • pp.1171-1177
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    • 2015
  • The objective of this study was to establish the optimum protocol for the isolation and culture of porcine muscle satellite cells. Mononuclear muscle satellite cells are a kind of adult stem cell, which is located between the basal lamina and sarcolemma of muscle fibers and is the primary source of myogenic precursor cells in postnatal muscle. Muscle satellite cells are a useful model to investigate the mechanisms of muscle growth and development. Although the isolation and culture protocols of muscle satellite cells in some species (e.g. mouse) have been established successfully, the culture system for porcine muscle satellite cells is very limited. In this study, we optimized the isolation procedure of porcine muscle satellite cells and elaborated the isolation and culture process in detail. Furthermore, we characterized the porcine muscle satellite cells using the immunofluorecence. Our study provides a reference for the isolation of porcine muscle satellite cells and will be useful for studying the molecular mechanisms in these cells.