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SNS 만족도가 소셜커머스 신뢰성 및 지속사용에 미치는 영향에 관한 연구
문종범 ( Jong Beom Moon ),김인섭 ( In Sub Kim ),정원준 ( Won Jun Jung ) 한국경영공학회 2012 한국경영공학회지 Vol.17 No.2
SNS based Social commerce is becoming an issue in our economy and is increasing drastically. Even though there is relatively low entry barrier, the Big three social commerce companies account for more than 50% of the total Korean market. It is required to understand and prepare the characteristics of social commerce when start a new business in social commerce area. In addition, consumer complaints are also increasing due to the relatively low level of services in social commerce. Any social commerce company is not able to provide basic services and it shows a loophole such as customer management. There are these problems in the sales-driven social commerce. Players of social commerce marketplace are divided into consumer, supplier, and seller. This study tried to figure out the relationship among SNS satisfaction, Social Commerce Reliability and Continuous Usage. Based on the results of empirical analysis, we suggests business strategy for social commerce companies. The results of this study can be summarized that there are structural relationship among SNS attitudes, SNS satisfaction, reliability, and continuous use of social commerce. Concretely, SNS attitudes influence to SNS satisfaction and the SNS satisfaction influence to reliability and continuous use of social commerce.
황련해독탕을 함유하는 정제 개발과 성분함량 및 약리효과 평가
이지범 ( Ji-beom Lee ),최혜민 ( Hye-min Choi ),김종범 ( Jong-bum Kim ),김정옥 ( Jung-ok Kim ),문성옥 ( Sung-ok Moon ),이화동 ( Hwa-dong Lee ) 대한본초학회 2018 大韓本草學會誌 Vol.33 No.2
Objectives : Hwangryunhaedok-tang (HRHDT) is one of the well-known prescription herbal drugs of Korean herbal medicine, which has been widely used for the treatment of various bacterial and inflammatory diseases. This study was conducted in order to develop the tablet formulations of HRHDT and compare its efficacy with the other commercial formulations. Methods : Corresponding herbal medicines comprising of HRHDT were extracted with water for 3 hr at 95~100℃ and then vacuum dried. Subsequently, some pharmaceutical excipients such as microcrystalline cellulose, croscarmellose sodium, magnesium stearate, etc were used to prepare the HRHDT tablets. The contents with characterizing components of HRHDT tablet was compared with the HRHDT decoction. The contents of characterizing components were analyzed with HPLC. Furthermore, we investigated the anti-inflammatory and anti-oxidative abilities of two different commercial HRHDT granules (HJP-1 and HJP-2) and were compared with that of the formulated HRHDT tablets. The anti-oxidant properties of HRHDR were studied using the 1,1-diphenyl-2-picryhydrazyl (DPPH) radical, contents of total flavonoid and polyphenol. In addition, based on this result the anti-inflammatory effects have verified by mechanism from LPS- treated Raw264.7 macrophages. Results : The results demonstrated that HRHDT tablets showed more anti-inflammatory and anti-oxidative effects than HJP-1, HJP-2. Moreover, it showed more superior effects in terms of dose, usability and stability than the granules. Conclusion : Hence, we concluded that in order to improve the quality and efficacy of the Korean herbal medicine, it is necessary to develop appropriate methods and establish standardized techniques for the development of good formulations.
덧셈 프로세서를 사용한 IMT-2000 인터폴레이션 필터의 저전력 설계 및 구현
장영범,이현정,문종범,이원상,Jang Young-Beom,Lee Hyun-Jung,Moon Jong-Beom,Lee Won-Sang 대한전자공학회 2005 電子工學會論文誌-SP (Signal processing) Vol.42 No.1
이 논문에서는 IMT-2000용 인터폴레이션 필터의 저전력 설계 및 구현 방식을 제안하였다. DA(Distributed Arithmetic) 방식의 장점인 프로세서 구조와, CSD(Canonic Signed Digit) 방식의 장점인 덧셈 연산의 최소화 방법을 함께 사용하여 각 구조의 장점을 살린 인터폴레이션 필터 구조를 제안하였다. 필터계수는 CSD형으로 나타낸 후에 4비트씩 가능한 모든 계산을 미리 수행하여 저장하고, MUX와 덧셈 프로세서를 사용하여 곱셈 연산을 수행하도록 설계하였다. 이와 더불어 기존 곱셈기 구조에서 사용되는 출력용 덧셈기와 지연소자는 1개의 덧셈기와 쉬프트 레지스터를 사용하여 효율적으로 구현될 수 있음을 보였다. IMT-2000에서 사용되는 40탭 인터폴레이션 필터에 대하여, 제안된 구조와 기존의 곱셈기를 사용한 구조를 각각 Verilog-HDL 코딩을 통하여 설계하였다. 기존의 곱셈기를 사용한 구조와 게이트 수를 비교한 결과 68.43%의 감소를 달성할 수 있었다. In this paper, low-power design and implementation techniques for IMT-2000 interpolation filter are proposed. Processor technique for DA(Distributed Arithmetic) filter and minimization technique for number of addition in CSD(Canonic Signed Digit) filter are utilized for low-power implementation. proposed filter structure consists of 3 blocks. In the first CSD coefficient block, every possible 4 bit CSD coefficients are calculated and stored. In second processor block, multiplication is done by MUX and addition processor in terms of filter coefficient. Finally, in third shift register block, multiplied values are output and stored in shift register. For IMT-2000 interpolation filter, proposed and conventional structures are implemented by using Verilog-HDL coding. Gate counts for the proposed structure is reduced to 31.57% comparison with those of the conventional one.
대형 연구개발사업의 성과에 영향을 미치는 요인에 관한 연구
권재철(Jae chul, Kwon),문종범(Jong beom, Moon),유왕진(Wang jin, Yoo),이철규(Cheol gyu, Lee) 한국기술혁신학회 2012 기술혁신학회지 Vol.15 No.1
본 연구는 정부의 대표적인 대형연구개발사업인 21세기 프론티어 연구개발 사업의 성과에 영향을 미치는 요인을 분석하여 향후 대형 연구개발 사업을 추진하는 정부 정책 결정자와 연구단 관계자에게 정책적인 시사점을 주는데 목적이 있다. 기존 대형연구개발사업의 프로그램에 대한 성과분석과 평가는 일부 있었지만, 연구주체, 연구유형, 연구기간, 연구 분야에 따른 성과 특성과 성과에 영향을 미치는 요인을 분석한 연구는 부족한 실정이다. 이를 위해 교육과학기술부가 추진 중인 21세기 프론티어 연구개발 사업단 중 2010년과 2011년 사업단의 연구기간이 종료된 8개 사업단 과제 전체를 대상으로 정책요인별로 가설을 설정하였다. 사업을 수행한 연구주체의 소속(산업체, 대학, 출연연구소)에 따라 연구 성과에 차이가 있는지, 연구유형(기초, 응용, 개발)에 따라 성과에 차이가 있는지, 연구기간에 따라 성과에 차이가 있는지, 연구과제의 기술 분야별로 성과에 차이가 있는지 등을 검증하였다. 연구 성과는 대학의 논문 성과가 출연연이나 산업체에 비해 높은 것으로 나타났으며, 산업체는 특허의 국외 출원과 등록이 높은 것으로 나타났다. 개발연구는 국내출원과 등록, 국외출원과 기술이전 계약의 성과가 높은 것으로 나타났으며, 장기간(6년 이상)의 연구가 단기 연구보다 국내출원이 높은 것으로 나타났다. 연구 대상 기술 분야(바이오, 나노, 에너지환경기술)별로도 연구 성과의 차이가 있음을 확인하였다. This study analyzed the achievement characteristics of 21st Century Frontier R&D Program depending on the subject of study, type, period in order to provide necessary data required during planning and execution of the large scale R&D projects. 21st Century Frontier R&D Program is a representative national R&D project that has been supported for a decade. The research achievements were analyzed for researchers who participated in each four projects completed in 2010 and 2011 among 16 R&D projects of 21st Century Frontier R&D Program promoted by Ministry of Education, Science and Technology. The research is summarized as follows. First, the achievements varied depending on the main agent such as universities, R&D institutions, and industries. The achievement of universities includes significantly larger publications than those of R&D institutions and industries. Second, the rate of overseas patent application and registration were higher in industries significantly than those in other research agents. Third, the achievements differed depending on research type such as basic, applied, and development researches, and the development researches exhibited significantly higher achievements in domestic patent application and registration, overseas patent application, and technology transfer. Fourth, in terms of the research period, long-term projects show significantly larger number of domestic patent applications than those from short-term projects. Fifth, when achievements like the publication and overseas patent application were classified in such fields as bio, nano, and energy environment R&D, bio and nano fields showed higher achievement than the energy environment field. This research could empirically confirm that the achievement characteristics of large scale and long-term government support R&D projects vary for each research properties.