• International Commerce and Information Review
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• v.2 no.2
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• pp.171-188
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• 2000

지속적으로 변화하는 무역관습의 흐름은 결제관습에 있어서도 새로운 변화를 초래하고 있는데 최근의 국제결제시스템중 가장 두드러진 변화는 전자적 방법에 의한 결제시스템의 대두이다. TradeCard는 이러한 전자결제시스템으로서 가장 대표적인 예로서 1994년 처음 사업이 시작된 이후 10년도 되지 않아 새로운 무역결제관습으로 정착되기 위한 상업적 활동에 나서고 있다. 본 논문은 이러한 TradeCard의 상업적 활동이 과연 순조롭게 추진되어 신용장을 비롯한 기존의 무역결제시스템에 추가 또는 대체되는 새로운 무역관습이 탄생할 수 있을지를 검토하고 있다. 이를 위해 본 논문은 먼저 TradeCard가 갖고 있는 특징을 몇 가지로 분류하여 살펴보았다. 즉, 무역절차의 전자화 과정에서 기능적 접근방법을 채택하였다는 점, 타 기관이나 조직과의 활발한 제휴, 비용과 시간을 절감시킬 수 있는 방법의 제시 등이 그것이다. 이러한 특징을 통해 TradeCard는 새로운 무역관습으로 자리잡을 수 있는 충분한 가능성을 갖고 있다는 것이 논자의 생각이다. 그러나 다음의 몇 가지 문제점 역시 갖고 있기 때문에 이를 해결하는 것이 그러한 가능성의 전제조건이 된다. 첫째, TradeCard를 통한 거래의 법적 안정성 확보이다. 이는 모든 전자거래가 공통으로 갖는 문제점이지만 TradeCard의 경우 거래조건의 이행여부에 대한 전자적 판단이라는 요소를 지니고 있어 이를 어떻게 법적으로 수용할 것인가의 문제가 제기된다. 둘째, TradeCard를 통한 거래에서 발생되는 피해에 대한 구제방법의 제시이다. 이는 아마도 보험을 통해서 해결할 수 있으리라 생각되지만 현재 TradeCard는 이부분에 대한 명확한 입장이 명시되지 않은 것 같다. 셋째, 국제적 전자거래를 안전하게 할 수 있는 방안으로 전자서명의 활용이 절실한데 이에 대한 상호인정의 해결이 필요하다는 점이다. 물론 이는 TradeCard의 역할이라기 보다는 우리 정부를 비롯한 각국의 정부당국의 몫이다. 그러나 이러한 모든 문제는 결국 얼마나 빨리 많은 사용자를 확보하여 시장의 힘을 통해 국제상관습으로 정착시킬 수 있는가의 문제로 귀착된다고 본다. 따라서 TradeCard는 처렴한 요금체계 및 사용자에 대한 인센티브의 제공 등을 통해 조기에 다수 사용자를 확보하는 것이 시급한 것으로 생각한다.

• The Journal of Information Technology
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• v.5 no.3
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• pp.197-214
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• 2002

Electronic Commerce has already existed for over 20 years. The Bolero project initially had the support of TEDIS, and now is jointly financed by SWIFT(Society for World International Financial Telecommunications) which handles most of the electronic funds transfer for banks, and the Through Transport Mutual Assurance Association(the TT Club), a mutual insurance association most of whose members are drawn from the Multimodal transport industry or transport intermediaries. Bolero's mission is to provide guaranteed and secure delivery, in electronic form, of trade documentation, globally, based on a binding legal environment and common procedures, Bolero will also provide a platform for provision of neutral cross-industry services. TradeCard is a payment and settlement system that is an alternative to letters of credit. That is, TradeCard is a business-to-business e-commerce infrastructure that enables buyers and sellers to conduct and settle international trade transactions securely over the Internet. Paperless, payment-guaranteed international trade transactions - which eliminate the traditional letters of credit with electronic certifications - are widely considered the most difficult B2B transactions to conduct.

• 프린팅코리아
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• v.11 no.2
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• pp.124-129
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• 2012

경기침체 및 가격경쟁으로 인해 인쇄사는 이제 내수만이 아닌 수출을 위해 눈을 돌려야 한다. 하지만 인쇄물 수출에 대해서는 경험이 없어 어려움을 겪고 있는 인쇄인들이 많다. 이에 대한인쇄문화협회는 문화체육관광부의 지원을 받아 최근 인쇄물 수출 전문가 과정을 위한 '인쇄물 무역실무' 교제를 개발했다. 교재는 ${\bigtriangleup}$무역실무 ${\bigtriangleup}$인쇄물 견적 및 계약서 작성 ${\bigtriangleup}$대금결제방식 및 무역방법에 따른 가격조건 ${\bigtriangleup}$수출 인쇄물 생산 및 통관절차 ${\bigtriangleup}$인쇄물 수출 사례 ${\bigtriangleup}$해외시장 개척 및 확대방안 ${\bigtriangleup}$부록으로 구성돼 있다. 본지에서는 인쇄물 무역실무에 게재된 내용을 정리해 연재한다.

• Journal of Digital Convergence
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• v.16 no.11
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• pp.303-312
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• 2018

The purpose of this study is to design the easy payment service research model and to find the influencing effect on the intention for the reuse of easy payment service by analysing the factors such as the social influence, the promotion condition, the security and the convenience as UTAUT model has. Also the research model employs the trust and the user satisfaction as parameters. The result shows that even though people feel the trust due to the convenience by the social influence, it has a negative influence on the user satisfaction if the risk recognized in the easy payment service and the weakness in the security are anticipated. The results of this study are academically meaningful as they established the research model for the easy payment service and the theoretical basis of the easy payment service area; they have provided the various practical implications.

• Corrugated packaging logistics
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• v.9 no.44
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• pp.16-18
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• 2002

• Korea Trade Review
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• v.43 no.2
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• pp.159-180
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• 2018

The purpose of this study is to contribute to the efficient selection of SMEs' trade settlement system through the empirical analysis of determinants of the payment method of SMEs in Korea. In the previous study, external factors, internal factors, settlement characteristics, transaction goods, transaction amount factors and risk management factors were used. Questionnaires were excluded from analysis, and the number of validated samples collected was 155. To conduct the study, all empirical analyses were verified at the significance level p <.005. Statistical analysis was performed using the SPSSWIN 18.0 program. Analysis results found the payment method used in the company was based on the year of establishment, export items, transaction area, type of transaction, and size of company. Empirical analysis showed that factors influencing the choice of the letter of credit are external factors, internal factors, the risk management factors, and the transaction amounts, etc. Results of this study are as follows: First, the effects of external factors, internal factors, settlement characteristics, and transaction amounts were significant. Hypothesis testing of collections trading methods has not been adopted in all areas presented. In order to utilize the research results, we conducted the study and comparison of the payment method of the income.

• Journal of the Korea Institute of Building Construction
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• v.19 no.4
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• pp.299-306
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• 2019

In general, repair mortar is used to rehabilitate underground communities, but difficulties are encountered in the execution of long-term construction due to spatial co-operatives. In this study, the engineering properties of repair mortar according to the curing condition and accelerator type were reviewed. The results showed that the aluminate, alkali-free and calcium-aluminate precipitates in the water curing conditions showed higher compressive strength at the beginning of age than mortar specimens under air curing conditions, and increased. Especially in CA and AF test specimen with cement mineral quick setting, a large amount of ettringite products were observed compared with AL, thus reducing the pore volume and increasing the strength of the compound by micro-filling effect were found.

• Journal of Bio-Environment Control
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• v.26 no.4
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• pp.393-401
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• 2017

The nitrate ($NO_3{^-}$) accumulation of hydroponically grown leafy vegetables may increase in the condition of a closed-type plant production system with low light intensity due to low activity of enzymes involved in nitrogen assimilation and the use of $NO_3-N$ as major nitrogen source. The objective of this study is to investigate the effects of light intensities, nutrient solution compositions and the time of nutrient solution removal before harvest on nitrate contents of hydroponically-grown lettuces in a closed plant production system. The reduction of nitrate contents in leafy lettuces 'Cheongchima' was higher in the treatments of 'TW' (nutrient solution removal) and '$(NH_4)_2CO_3$' (use of ammonium carbonate as nitrogen source) than those in other treatments, which significantly lowered fresh weight and leaf area of the plants. In the light intensity of $100{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, the nitrate content was effectively reduced without causing any growth retardation, by substitution of the nutrient solution composition that $NO_3-N$ was removed ('$NO_3-N$ removal' treatment) or the half strength of standard nutrient solution was applied ('1/2 S' treatment), for 7days before harvest. The effects of light intensity and the time of nutrient solution removal before harvest on growth and nitrate contents in leafy lettuces were investigated. The nitrate contents in leaves under the light condition of $300{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ before nutrient solution removal were lower than those of 100 or $200{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$. The removal of nutrient solution for 7 days before harvest quickly reduced the amount of nitrates in leaves in all the light intensities with a greater degree under the $300{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ of light condition, while the 7 days-removal with both 200 and $300{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ of light conditions caused decrease in 16~31% of leaf area and 20~35% of fresh weight, compared to the 3 days-removal treatment. The nitrate contents were greatly reduced from 3,018 to 1,035 in $200{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, and 2,021 to 480 ppm in the light condition of $300{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, with the nutrient solution removal for 3 days before harvest, without causing any deterioration in growth and product quality. The vitamin C contents in leaves were higher in the treatment of nutrient solution removal for both 3 and 5 days before harvest with the light condition of $300{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ than those in the light condition of 100 or $200{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$.

• Journal of Korean Tunnelling and Underground Space Association
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• v.8 no.3
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• pp.237-247
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• 2006

The use of high-performance shotcrete lining is indispensable to improve long-term durability of a tunnel and to apply the single-shell tunnelling method. Among a lot of shotcrete admixtures, pozzolan materials such as silica fume have positive effects on increasing the strength and the durability of shotcrete. It is also well known that a cement-based accelerator is much faster in setting time and more eco-friendly than conventional accelerators. This study aimed to improve the properties of wet-mix shotcrete by incorporating with Metakaolin and the calcium aluminate based accelerator. To compare Metakaolin with silica fume, mixing ratios of each material were varied as 4% and 8% of cement weight. Moreover, Metakaolin was blended with silica fume, and their binder was also set to 4% and 8% of cement weight. At each mixing condition, setting time, compressive strength, flexural strength, permeability and freezing-thawing resistance were measured. From the experiments, it was revealed Metakaolin could be a substituting material for silica fume.

• Tunnel and Underground Space
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• v.29 no.6
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• pp.532-541
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• 2019

Even though shotcrete is a main support for securing the stability of tunnel, the performance of shotcrete is not properly checked due to various difficulties arisen from the characteristics of materials themselves which constitute shotcrete, such as steel fibers and accelerators, and the on-site quality control. In this study, the actual conditions of shotcrete applied to expressway tunnel construction sites were tried to find out, and then some improvement was tried to derive. For this purpose, the characteristics of steel fibers and accelerators supplied to the expressway construction sites were investigated. Also, shotcrete specimens were prepared at the tunnel sites and performance tests were carried out. For steel fiber, domestic production states were investigated, and carbon content and tensile strength were measured using the steel fibers collected in the construction sites. For three types of accelerators such as aluminate, cement mineral and alkali-free, basic properties and total amount of alkali contents were analyzed. Shotcrete specimens were prepared using on-site shotcrete machine with regard to mix designs and types of accelerators. Using these specimens, uniaxial compression tests and flexural tests were performed. As the results, compressive strength, flexural strength, flexural toughness, and etc. were compared with types of acclerators and mix designs.