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Has Trade Intensity in ASEAN+3 really Increased?
김흥종 대외경제정책연구원 Working Papers 72 Pages
대외경제정책연구원 Working Papers 제 02권 18 1-72 (72 pages)
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Analysis on international trade flow of medical devices in Korea, China, and Japan
배홍균, Bae. Hong-Kyun 한국통상정보학회 통상정보연구 22 Pages
한국통상정보학회 통상정보연구 2012, Vol.14 No.4 131-152 (22 pages)
본 연구는 2국간 의료기기무역흐름(international trade flow)에 관한 무역결합도이론(Intensity Approach)을 통해 우리나라의 의료기기수출구조(export structure)와 중국과 일본의 수입구조(import structure)를 상호유기적으로 연계시킴으로써 한 중 일 의료기기 무역의 흐름을 보다 이론적이고 체계적으로 분석하였다. 또한, 우리의 대중국과 일본의 의료기기 수출증대(boost exports)에 기여할 수 있는 방안을 모색하는데 의의가 있다. 이에 본고에서는 한국과 의료기기(medical device) 시장에서 주요한 경쟁관계에 있는 중국과... -
Fast IHS 변환을 이용한 trade-off 영상 융합기법
김용현, 김윤수, Kim. Yong-Hyun, Kim. Youn-Soo 한국항공우주연구원 항공우주기술 7 Pages
한국항공우주연구원 항공우주기술 2009, Vol.8 No.2 26-32 (7 pages)
다중분광영상의 분광정보 모두를 보존하는 것이다. 다양한 영상융합 기법 중에서, IHS 변환을 이용한 융합기법은 폭넓게 사용되고 있으며, 계산과정이 매우 단순하다는 장점을 갖고 있다. 본 연구에서는, fast IHS 변환과 trade-off 파라미터 $alpha^i$를 이용한 융합기법을 제안한다. 제안한 융합 기법은 분광 ERGAS와 공간 ERGAS의 평가를 통하여, 융합영상에서 분광정보와 공간적 세밀함 사이의 trade-off 최적화를 가능하게 한다. IKONOS 영상의 실험결과, 제안한 기법은 기존의 fast IHS 변환을 이용한 융합기법에 비해 공간적... -
Classical natural ovine scrapie prions detected in practical volumes of blood by lamb and transgenic mouse bioassays
Rohana P. Dassanayake, Thomas C. Truscott, Dongyue Zhuang, David A. Schneider, Sally A. Madsen-Bouterse, Alan J. Young, James B. 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 2호 7 179-186 (8 pages)
Scrapie is diagnosed antemortem in sheep by detecting misfolded isoforms of prion protein (PrP) in lymphoid follicles of the rectal mucosa and nictitating membranes. Assay sensitivity is limited if (a) the biopsy is collected early during disease development, (b) an insufficient number of follicles is collected, or (c) peripheral accumulation of PrP is reduced or delayed. A blood test would be convenient for mass live animal scrapie testing. Currently approved techniques, however, have their own... -
Development of PCR-Based Molecular Marker for Detection of Xanthomonas campestris pv. campestris Race 6, the Causative Agent of Black Rot of Brassicas
Khandker Shazia Afrin, Md Abdur Rahim, Mehede Hassan Rubel, Jong-In Park, Hee-Jeong Jung, Hoy-Taek Kim, Ill-Sup Nou 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 5호 4 418-427 (10 pages)
Xanthomonas campestris pv. campestris (Xcc), the pathogen of black rot which is the most destructive disease of Brassica vegetables throughout the world. Here, we reported two novel sequence-characterized amplified region (SCAR) markers (i.e., XccR6-60 and XccR6-67) for the detection of Xcc race 6 via re-alignment of the complete genome sequences of Xcc races/ strains/pathovars. The specificity of SCAR primer sets was verified by mean of PCR amplification using the genomic DNA template of Xcc... -
Development of a Daily Epidemiological Model of Rice Blast Tailored for Seasonal Disease Early Warning in South Korea
Kwang-Hyung Kim, Imgook Jung 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 5호 3 406-417 (12 pages)
Early warning services for crop diseases are valuable when they provide timely forecasts that farmers can utilize to inform their disease management decisions. In South Korea, collaborative disease controls that utilize unmanned aerial vehicles are commonly performed for most rice paddies. However, such controls could benefit from seasonal disease early warnings with a lead time of a few months. As a first step to establish a seasonal disease early warning service using seasonal climate... -
The Current Status and Future Outlook of Quantum Dot-Based Biosensors for Plant Virus Detection
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 2호 1 85-92 (8 pages)
Enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR), widely used for the detection of plant viruses, are not easily performed, resulting in a demand for an innovative and more efficient diagnostic method. This paper summarizes the characteristics and research trends of biosensors focusing on the physicochemical properties of both interface elements and bioconjugates. In particular, the topological and photophysical properties of quantum dots (QDs) are discussed, along... -
Wheat Blast: A New Fungal Inhabitant to Bangladesh Threatening World Wheat Production
한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 2호 1 103-108 (6 pages)
World wheat production is now under threat due to the wheat blast outbreak in Bangladesh in early March 2016. This is a new disease in this area, indicating the higher possibility of this pathogen spreading throughout the Asia, the worlds largest wheat producing area. Occurrence of this disease caused ~3.5% reduction of the total wheat fields in Bangladesh. Its economic effect on the Bangladesh wheat market was little because wheat contributes to 3% of total cereal consumption, among which ~70%... -
Management of Powdery Mildew in Squash by Plant and Alga Extract Biopesticides
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 6호 5 528-536 (9 pages)
Although many fungicides are registered for use to control powdery mildew on cucurbits, management of resistance to fungicides in pathogen populations still remains a major challenge. Two biopesticides Regalia SC and HMO 736 were evaluated in the greenhouse and field for their efficacy against powdery mildew in squash. In greenhouses, Regalia SC alone significantly (P ; 0.05) reduced powdery mildew compared to the nontreated control, and was as effective as the chemical standard Procure 480SC... -
Controlling Botrytis elliptica Leaf Blight on Hybrid Lilies through the Application of Convergent Chemical X-ray Irradiation
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 1 77-84 (8 pages)
X-ray irradiation with convergent chemicals such as nano-silver particles or sodium dichloroisocyanurate (NaDCC) has been used to control leaf blight on cut lilies. The oriental hybrid lily cultivars Siberia, Le Reve, and Sorbonne were irradiated five times by 200 Gy of X-rays in 2014. In 2015, Siberia and Sorbonne were irradiated three times by 150 Gy of X-rays. After artificial infection with Botrytis elliptica on the leaves and petals of cut lilies, this study used convergent chemical X-ray... -
Development and Practical Use of RT-PCR for Seed-transmitted Prune dwarf virus in Quarantine
한국식물병리학회 The Plant Pathology Journal 5 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 2호 8 178-182 (5 pages)
Among imported plants, seeds are the items that have many latent pathogens and are difficult to inspect. Also, they are the import and export items whose market is expected to expand. The biggest problem with seeds is viruses. Prune dwarf virus (PDV) is the virus that is commonly inspected in Prunus cerasifera, P. persica, P. armeniaca, P. mandshurica, P. cerasus, P. avium or P. serotina seeds. In this study, two RT-PCR primer sets, which can promptly and specifically diagnose plant quarantine... -
Research Notes : Reverse Transcription Polymerase Chain Reaction-based System for Simultaneous Detection of Multiple Lily-infecting Viruses
한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 3호 13 338-343 (6 pages)
A detection system based on a multiplex reverse transcription (RT) polymerase chain reaction (PCR) was developed to simultaneously identify multiple viruses in the lily plant. The most common viruses infecting lily plants are the cucumber mosaic virus (CMV), lily mottle virus (LMoV), lily symptomless virus (LSV). Leaf samples were collected at lily-cultivation facilities located in the Kangwon province of Korea and used to evaluate the detection system. Simplex and multiplex RT-PCR were... -
RT-PCR Detection of Five Quarantine Plant RNA Viruses Belonging to Potyand Tospoviruses
한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 12 291-296 (6 pages)
In order to detect quarantine plant viruses, we developed reverse transcription-polymerase chain reaction (RT-PCR) primer pairs for five single-stranded (ss) plant RNA viruses that are not currently reported in Korea but could be potential harmful plant viral pathogens. Three viruses such as Chilli veinal mottle virus (ChiVMV), Colombian datura virus (CDV), and Tobacco etch virus (TEV) belong to the genus Potyvirus while Chrysanthemum stem necrosis virus (CSNV) and Iris yellow spot virus (IYSV)... -
Development of a Multiplex RT-PCR for the Simultaneous Detection of Three Viruses in Cherry Plants
Chung Youl Park, Jeong-ran Park, Geun-sik Lee, Seung-In Yi, Byeong Hoon Kim, Jung Sik Eom, Som Gyeol Lee, Hong-sup Kim 한국식물병리학회 식물병연구 4 Pages
한국식물병리학회 식물병연구 2018, 24권 3호 7 233-236 (4 pages)
A multiplex RT-PCR (mRT-PCR) assay was developed for the detection of the recently reported viruses, Cherry virus A (CVA), Little cherry virus 1 (LChV-1), and Little cherry virus 2 (LChV-2), in cherry plants in Korea. Eight sets of primers were designed for each virus and their specificity was tested by using various combinations of mixed primer sets. From the designed primer sets, one combination was selected and further evaluated to estimate the optimum temperature and detection limits of the... -
A study of strategy to the remove and ease TBT for increasing exportin GCC6 countries
김용재(Yong Jae Kim) 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 9 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2019, 제 9권 제 3호 74 789-797 (9 pages)
corresponding to countries technical regulations and standards, every membership countries most present to prevent TBT related Specific Trade Concern (STC) to WTO. This paper analyzes International rule & system with following research methodology. First, this paper compared with analysis such as technical regulation, and standard, test and certification. Second, this paper reviewd test, certification, and calibration. Third, the paper focused on SDOC, Mutual Acceptance of international test &... -
글로벌 철강기업의 원가행태 분석
이석영 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 13 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2017, 제 7권 제 7호 60 647-659 (13 pages)
본 연구는 1977년부터 2011년까지 35년간의 글로벌 철강기업 재무자료와 비재무자료를 이용하여, 총수익의 변동에 대해 총원가와 총원가를 구성하는 원가요소별로 상이한 행태를 나타내고 있는지에 대해 분석하였다. 실증분석 결과, 글로벌 철강기업의 재료비와 금융비용은 총수익의 증가 혹은 감소 와 관련하여 대칭적 원가행태(symmetric cost behavior)를 보이는 반면, 노무비와 감가상각비는 총수 익의 증가 혹은 감소와 관련하여 하방경직적 원가행태(sticky cost behavior)를 보였다. 또한 하방경직 적 원가행태를 보인 노무비,... -
수업 중에 나타나는 학생의 비언어적 의사소통 행동에 대한 교사의 경험과 감정·정서 인식
조규락, 이정미 한국교원교육학회 한국교원교육연구 30 Pages
한국교원교육학회 한국교원교육연구 2015, 제 32권 제 1호 4 89-118 (30 pages)
본 연구는 수업 중에 학생들이 하고 있는 비언어적 의사소통 행동에는 어떤 것들이 있으며 이를 교사가 경험하고 있는지, 이를 어떤 감정으로 인식하고 있는지, 그리고 감정상태의 정도 는 배경변인별로 차이가 나는지를 실증적으로 규명해 보고자 하였다. 이를 위해 중·고등학교 현직교사를 대상으로 설문지를 통한 조사연구를 실시하였고, 비언어적 행동의 보편적인 4가 지 유형인 신체언어, 공간적 행위, 유사언어, 가공적 행위로 나누어 통계분석을 실시하였다. 주요 연구결과는 첫째, 학생들이 수업 중에 행하는 긍정적인 비언어적... -
China's Financial Reform: Issues and Legal Suggestions
Wang Yi-ping 은행법학회 은행법연구 19 Pages
은행법학회 은행법연구 2012, 제 5권 제 2호 3 55-73 (19 pages)
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광고 캐릭터의 효과 과정에서 실재감 지각, 소비 동기, 성격 요인의 역할에 관한 연구
김운한 한국광고PR실학회 광고PR실학연구 28 Pages
한국광고PR실학회 광고PR실학연구 2014, 제 7권 1호 2 32-59 (28 pages)
본 연구의 목적은 허구적인 존재로서 광고 캐릭터의 효과 과정을 총체적으로 설명하는 것이다. 연구 결과, 첫째, 쾌락적 동기를 지각하는 정도가 높을수록 실재감 지각 정도가 더 큰 것으로 나타났다. 둘째, 소비 동기와 정보원 속성평가의 관계에서 쾌락적 동기가 정보원 속성평가(신뢰성과 매력성, 친근성)에 긍정적인 영향을 미쳤다. 셋째, 실재감 지 각은 캐릭터의 정보원 속성 평가에 가장 큰 영향을 주었으나 캐릭터 호감에는 영향을 미 치지 않는 것으로 나타났다. 넷째, 개인의 인지욕구는 정보원 평가 속성에 긍정적인 영향 을... -
24～36개월 영아의 의사소통적 몸짓, 기질과 어휘력의 관련성
신애선, 안경숙, 진대연 한국어린이미디어학회 어린이미디어연구 26 Pages
한국어린이미디어학회 어린이미디어연구 2015, 제 14권 제 4호 21 511-536 (26 pages)
본 연구는 24～36개월 영아의 의사소통적 몸짓과 기질 그리고 어휘력의 관계를 파악하고 몸짓과 기질 이 어휘력에 미치는 영향력을 살펴보는 것을 목적으로 하였다. 연구대상은 전북 J시와 G시에 소재한 어린이집 32개소에 재원 중인 24～36개월의 영아 86명이다. 연구결과를 요약하면 첫째, 24～36개월 영아의 의사소통적 몸짓과 영아의 이해어휘 및 표현어휘는 전체적으로 정적 상관관계가 있었다. 의사 소통적 몸짓의 유형별로 살펴보면 지시적 몸짓은 이해어휘 및 표현어휘와 부적 상관관계가 있었지만, 표상적 몸짓은 이해어휘 및... -
Preparation of photoresist-derived carbon micropatterns by proton ion beam lithography and pyrolysis
Hui-Gyun Nam, Jin-Mook Jung, In-Tae Hwang, Junhwa Shin, Chang-Hee Jung, Jae-Hak Choi 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 8 55-61 (7 pages)
Carbon micropatterns (CMs) were fabricated from a negative-type SU-8 photoresist by proton ion beam lithography and pyrolysis. Well-defined negative-type SU-8 micropatterns were formed by proton ion beam lithography at the optimized fluence of 1×1015 ions cm?2 and then pyrolyzed to form CMs. The crosslinked network structures formed by proton irradiation were converted to pseudo-graphitic structures by pyrolysis. The fabricated CMs showed a good electrical conductivity of 1.58×102 S cm?1 and a... -
Study on properties of eco-friendly reduction agents for the reduced graphene oxide method
Young-il Na, Young Il Song, Sun Woo Kim, Su-Jeong Suh 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 1 1-9 (9 pages)
We studied the basic properties and fabrication of reduced graphene oxide (rGO) prepared using eco-friendly reduction agents in the graphene solution process. Hydrazine is generally used to reduce graphene oxide (GO), which results in polluting emissions as well as fixed nitrogen functional groups on different defects in the graphene sheets. To replace hydrazine, we developed eco-friendly reduction agents with similar or better reducing properties, and selected of them for further analysis. In... -
Study of complex electrodeposited thin film with multi-layer graphene-coated metal nanoparticles
Young-Lae Cho, Jung-woo Lee, Chan Park, Young-il Song, Su-Jeong Suh 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 8 68-73 (6 pages)
We have demonstrated the production of thin films containing multilayer graphene-coated copper nanoparticles (MGCNs) by a commercial electrodeposition method. The MGCNs were produced by electrical wire explosion, an easily applied technique for creating hybrid metal nanoparticles. The nanoparticles had average diameters of 10?120 nm and quasispherical morphologies. We made a complex-electrodeposited copper thin film (CETF) with a thickness of 4.8 μm by adding 300 ppm MGCNs to the electrolyte... -
Effect of acid catalysts on carbonization temperatures for ordered mesoporous carbon materials
Jeong Kuk Shon, Xing Jin, Yun Seok Choi, Jong Gu Won, Yoon Kyung Hwang, Dae Jong You, Chengbin Li, Ji Man Kim 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 10 66-71 (6 pages)
Highly ordered mesoporous carbon (OMC) materials have attracted much attention in many fields including catalysis, adsorption and energy storage, due to their high porosity, high surface area and controllable regular pore-structure [1-6]. Successful synthesis pathways for obtaining OMC materials include the direct synthesis of OMC materials through the organic-organic self-assembly method (soft templating process) and nano-replication of OMC materials from mesoporous silica templates (hard... -
Improving dispersion of multi-walled carbon nanotubes and graphene using a common non-covalent modifier
Youbin Kwon, Wonbo Shim, Seung-Yeol Jeon, Ji-Ho Youk, Woong-Ryeol Yu 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 8 53-61 (9 pages)
The reportedly synergistic effects of carbon nanotubes (CNTs) and graphene hybrids have prompted strong demand for an efficient modifier to enhance their dispersion. Here, we investigated the ability of poly(acrylonitrile) (PAN) to overcome the van der Waals interaction of multi-walled CNTs (MWCNTs) and graphene by employing a simple wrapping process involving ultrasonication and subsequent centrifugation of PAN/MWCNT/graphene solutions. The physical wrapping of MWCNTs and graphene with PAN was... -
Morphologies and surface properties of cellulose-based activated carbon nanoplates
Seulbee Lee, Min Eui Lee, Min Yeong Song, Se Youn Cho, Young Soo Yun, Hyoung-Joon Jin 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 5 32-38 (7 pages)
In this study, cellulose nanoplates (CNPs) were fabricated using cellulose nanocrystals obtained from commercial microcrystalline cellulose (MCC). Their pyrolysis behavior and the characteristics of the product carbonaceous materials were investigated. CNPs showed a relatively high char yield when compared with MCC due to sulfate functional groups introduced during the manufacturing process. In addition, pyrolyzed CNPs (CCNPs) showed more effective chemical activation behavior compared with... -
Adsorptive removal of atmospheric pollutants over Pyropia tenera chars
Heejin Lee, Rae-su Park, Hyung Won Lee, Yeojin Hong, Yejin Lee, Sung Hoon Park, Sang-Chul Jung, Kyung-Seun Yoo, Jong-Ki Jeon, Young-Kwon 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 10 79-88 (10 pages)
As a replacement for activated carbon, biochar was synthesized and used for the adsorptive removal of formaldehyde and nitrogen oxide. Biochar was produced from the fast pyrolysis of the red marine macro alga, Pyropia tenera. The P. tenera char was then activated with steam, ammonia and KOH to alter its characteristics. The adsorption of formaldehyde, which is one of the main indoor air pollutants, onto the seaweed char was performed using 1-ppm formaldehyde and the char was activated using a... -
Waste coffee grounds-derived nanoporous carbon nanosheets for supercapacitors
Min Hong Park, Young Soo Yun, Se Youn Cho, Na Rae Kim, Hyoung-Joon Jin 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 8 66-71 (6 pages)
The development of nanostructured functional materials derived from biomass and/or waste is of growing importance for creating sustainable energy-storage systems. In this study, nanoporous carbonaceous materials containing numerous heteroatoms were fabricated from waste coffee grounds using a top-down process via simple heating with KOH. The nanoporous carbon nanosheets exhibited notable material properties such as high specific surface area (1960.1 m2 g?1), numerous redox-active heteroatoms...
