• Journal of Forest and Environmental Science
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• 제29권4호
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• pp.275-281
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• 2013

To establish in vitro nodal culture conditions of Echinosophora koreensis Nakai, one of rare and endangered species famous for beautiful flowers in the Korean Peninsula, the influence of plant growth regulators (PGRs) on shooting and rooting from in vitro shoots was investigated. In shoot multiplication, addition of 6-benzylaminopurine (BA) to the half-strength Driver and Kuniyuki's media in the range of 2.22 to 8.88 ${\mu}M $induced 2.5 to 2.7 shoots per axillary bud; and addition of 2.27 ${\mu}M $ thidiazuron (TDZ) produced 3.2 shoots, during 4 weeks of culture, while zeatin and isopentenyl adenine (2ip) were not effective on shoot multiplication as observed from several combination treatments of BA with other PGRs. Shoots established were smaller than 2 cm in length, in most of the treatments. while in BA 8.88 ${\mu}M $ treatment more than 30% of shoots were longer than 2 cm and shorter than 4 cm. In rooting, naphthalene acetic acid (NAA) from 5.37 to 21.48 ${\mu}M $ showed the rooting rate from 40.0 to 62.5%. Indole butyric acid (IBA) addition had little effect on rooting (<10%), although some roots in IBA-containing media were longer than those in NAA. Micropropagation from axillary buds of nodular explants was applicable and promising to multiplication and conservation of Echinosophora koreensis Nakai.

• Asian Pacific Journal of Cancer Prevention
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• 제14권8호
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• pp.4485-4494
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• 2013

Epidermal growth factor receptor (EGFR) is considered to be one of the key driver genes in non-small cell lung cancer (NSCLC). Several clinical trials have shown great promise of EGFR tyrosine kinase inhibitors (TKIs) in the first-line treatment of NSCLC. Many advances have been made in the understanding of EGFR signal transduction network and the interaction between EGFR and tumor microenvironment in mediating cancer survival and development. The concomitant targeted therapy and radiation is a new strategy in the treatment of NSCLC. A number of preclinical studies have demonstrated synergistic anti-tumor activity in the combination of EGFR inhibitors and radiotherapy in vitro and in vivo. In the present review, we discuss the rationale of the combination of EGFR inhibitors and radiotherapy in the treatment of NSCLC.

• 한국정보통신학회논문지
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• 제18권4호
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• pp.771-778
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• 2014

본 연구에서는 우리나라의 지식서비스 산업에 대한 생산유발, 부가가치유발, 고용유발 효과 및 전 후방연쇄효과를 추정하였다. 지식서비스 산업은 부가가치 및 고용 증대에는 크게 기여하고 있지만, 생산유발이나 전 후방연쇄효과는 매우 취약한 것으로 나타났다. 최근 정부는 지식서비스 산업으로부터 새로운 성장 동력을 찾고 있는데, 그 방향성은 지식서비스 산업의 생산성 향상이 되어야 한다는 사실이 본 연구를 통하여 입증되었다.

• 한국식생활문화학회지
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• 제29권6호
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• pp.593-598
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• 2014

Brands play a critical role as a core asset and the primary driver for corporate growth because of their power of identity and influence on customers' perceptions in restaurant industry. However, in spite of diverse and dynamically changing recent brand portfolio strategies of restaurants, a study on the effect of brand diversification on financial performance has been rarely conducted in the restaurant industry context. Considering competing viewpoints regarding diversification's influence on financial performance, the purpose of this study is, therefore, to examine the effect of brand diversification on firm performance of restaurants. The results indicated that brand diversification is positive effect to profitability. Brand diversification seems to be attractive and might be a reasonable growth strategy to expand market power by satisfying diverse consumer needs. Therefore, restaurant managers should be consider in implementing brand diversification strategy especially in dynamically changing trend of brand diversification in the current restaurant industry.

• 한류연구
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• 제1권2호
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• pp.27-33
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• 2022

The nation's economic development goals of the South Korea were implemented successfully, and a wave of Confucian-inspired fervor for education resulted in unprecedented economic growth in South Korea. Despite the longstanding reputation of Confucianism as an impediment to industrial growth, its beneficial social ideals, such as the deification of study and truthfulness, are now largely viewed as a key driver in South Korea's economy and greater education. Confucianism's positive societal ideals include the veneration of study and sincerity. This study examines the phenomenon of 'English Fever' in South Korean educational history and figured out four main phenomenon to explain the topic of the study Theses are the following: (1) The Growing Influence of English in South Korean Education, (2) The Effects of Teaching English in Schools, (3) The Effect of English Education on Admissions to universities, and (4) Social Implications of English Education. This study finally argues that modern-day South Korea's academic fervor can be traced back to the country's Confucian educational roots and that it has been bolstered by its ideology of an academic accomplishment-centered society and its principle of academic sectarianism. These traits can also be observed in other East Asian nations that uphold the Confucian legacy.

• International journal of advanced smart convergence
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• 제13권2호
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• pp.249-257
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• 2024

As the main driver of economic growth and employment, the agricultural sector plays an important role in Vietnam's economy. However, in recent years, the sector has faced new challenges and also presented new investment opportunities to stimulate agricultural growth. Many Vietnamese agricultural producers currently lack the modern technology and decision support tools needed to maintain and improve productivity in a rapidly changing environment. Other stakeholders in the agricultural value chain, such as input suppliers, distributors, and consumers, also face significant challenges, including disrupted value chains, transportation costs. The cost of transporting goods across the supply chain continues to increase and information exchange remains fragmented. A potential solution to address these challenges is the application of digital transformation in agricultural supply chains. Farmers and other value chain participants can improve the production of their goods and procedures by utilizing new and cutting-edge technologies that are integrated into a unified system as part of the digital transformation of agricultural supply chains. In this study, we evaluate the current status of digital transformation in the supply chain of the agriculture industry by finding and examining pertinent publications from key agencies as well as prior research. From there, in the framework of the digital economy, this study suggests a digital transformation roadmap for the agricultural supply chain.

• 대한인간공학회지
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• 제29권1호
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• pp.39-46
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• 2010

The growth of function in vehicle needs complex display and control system, the In-Vehicle Information System(IVIS). Although current IVISs are widely implemented in commercial vehicles, a new form of IVIS has been recently studied in order to reduce drivers' workloads. The purpose of this study is to suggest an appropriate menu structure of a new type IVIS, to be implemented on the instrument cluster panel, using Taguchi's parameter design. In the research, firstly, functions were selected that are appropriate to control through the instrument cluster among existing functions of current IVISs by quantitative evaluation of ergonomic principles. Then, menu structure alternatives were extracted by investigating priorities to those functions selected. Finally, menu structure alternatives were evaluated through an experiment and suggest the most appropriate one by applying Taguchi's parameter design. Taguchi method was used not only for planning an experiment but also evaluating alternatives. SN ratios were a key value to evaluate the alternatives and to find the most proper one. Through the research, the most appropriate menu structure for the instrument cluster IVIS was finally suggested among the alternatives and it is expected that the results of this research could provide a guideline to the instrument cluster IVIS.

• 한국측량학회:학술대회논문집
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• 한국측량학회 2006년도 춘계학술발표회 논문집
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• pp.431-436
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• 2006

The latest system of GIS has been changing from 2 dimension to 3 dimension. According to the rapid growth of the fields linked to 3D GIS, 3D GIS has variously affected the public field, the national defense field, and the industrial field. This study estimated sight distance safety of curve section considering the environmental impact based on 3D GIS. Sight distance is calculated from the relation between road which keeps the three-dimension character and driver gaze, so it needs to consider both plane and vertical ior the accurate measuring. This study made analysis of the sight distance through considering the environmental impact with driving simulation of design speed 80km/h and running speed 60-120km/h.

• 한국IT서비스학회지
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• 제10권3호
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• pp.297-312
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• 2011

Service science has emerged as the key factor in developed economies as it becomes the main driver of productivity and economic growth. MICE industry has also opened up new revenues through improved services and new services which is a more attractive strategy for success. The importance of adoption of service science has recently emerged in MICE industry. However it has not been provided a detail action plan it is needed positive interesting and common endeavor of academy, industry, and government sector. In this context, we analyzed the major issues in adoption of service science in the MICE industry and developed the paradigm model by ground theory approach and proposed a roles of MICE service provider, mediator and consumer for service science adoption which have not been treated as a research topic in the domestic MICE areas sofar.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2010년도 춘계학술대회 논문집
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• pp.171-176
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• 2010

Railway has recently played an important role in preventing global warming caused by green house gases and furthering a low carbon green growth, The various railway research centers have conducted facilitated studies on saving energy. In particular, urban railway has emerged as the best means of public transportation in terms of punctuality, safety and environmentally friendliness. There are various ways to save energy in terms of operation of urban railway system, and they can be generally divided into hardware aspects that pertain to structure of vehicles and development of control system and software aspects that pertain to effective operation of trains based on operation patterns and diagram control. In this paper, we investigated drive assistance system for railway energy efficiency. The railway operation patterns and train diagram management programs were researched.