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Hydrogen Production from Methane Reforming Reactions over Ni/MgO Catalyst
노현석,전기원,박상언,No, Hyeon Seok,Jeon, Gi Won,Park, Sang Eon 대한화학회 2001 Bulletin of the Korean Chemical Society Vol.22 No.12
The catalyst Ni/MgO (Ni : 15 wt%) has been applied to methane reforming reactions, such as steam reforming of methane (SRM), partial oxidation of methane (POM), and oxy-steam reforming of methane (OSRM). It showed high activity and good stability in all the reforming reactions. Especially, it exhibited stable catalytic performance even in stoichiometric SRM (H2O/CH4 = 1). From TPR and H2 pulse chemisorption results, a strong interaction between NiO and MgO results in a high dispersion of Ni crystallite. Pulse reaction results revealed that both CH4 and O2 are activated on the surface of metallic Ni over the catalyst, and then surface carbon species react with adsorbed oxygen to produce CO.
타 학문 분야 간의 문헌 인용 행태 분석 - 기록관리학 분야 학술지를 중심으로 -
노현아,장우권,No, Hyeon-A,Chang, Woo-Kwon 한국비블리아학회 2013 한국비블리아학회지 Vol.24 No.4
이 연구는 기록관리학 연구자들이 학술 연구과정에서 인용한 타 학문 분야 문헌을 바탕으로 이 분야와 타 학문분야간의 학술적 상호관계와 주제 의존도를 파악하기 위한 것이다. 이를 위해 한국기록학회의 '기록학연구'와 한국기록관리학회의 '한국기록관리학회지'를 대상으로 창간호부터 2011년까지 발행된 학술지에 실린 383편과 이 연구논문이 인용한 6,811편을 조사 분석하였다. 전체 인용 문헌 중 타 학문 분야 문헌 2,224편을 빈도 및 백분율에 대한 통계치를 사용하여 주제별, 인용시기별, 인용 연령별, 문헌유형별로 분석하고, 항목별 비교분석을 하였다. This study was to investigate bibliography in other academic areas cited by records and archives management researchers, identify academic correlations between other academic areas and their independency, and present basic data for further research on this area. Also, this study conducts the following analyses. This study analysed statistical values such as frequency and percentage of 2,224 of 6,811 bibliographies cited by 383 articles which were issued until 2011 according to themes, periods of citation, age of citers and types of bibliography, targeting 'Archival Science Studies' by Korea Society of Archival Studies and 'Journal of Records Management and Archives Society of Korea' by Records Management and Archives Society of Korea.
Two New Marine Tardigrades from Palawan Island, the Philippines
창천영,노현수,Chang, Cheon-Yeong,No, Hyeon-Su The Korean Society for Integrative Biology 1997 Korean journal of biological sciences Vol.1 No.3
Two new marine tardigrades, florarctus kwoni n. sp. and Batillipes philippinensis n. sp. belonging to Halechiniscidae and Batillipedidae, respectively, are described on the basis of the specimens sieved from sublittoral coral sands and shell gravels of Palawan Island, the Philippines. florarctus kwoni n. sp. is characterized by the rocket-shaped aliform expansion, with the distal margin of posterior ala flattened. Batillipes philippinensis n. sp. closely resembles B. similis Schulz, 1955 and B. annulatus De Zio, 1962. However, it is clearly discernible from the former by the shape of lateral body projection between leg III and leg IV, and the relative length of cirrus E and the spine on leg IV, and from the latter by the shape of the lateral body projection and the clavar shape. This is the first report of the marine tardigrades from the Philippines.
고객의 질이 호텔 서비스 품질과 성과에 미치는 영향에 관한 연구
이종한,노현수,Lee, Jong-Han,No, Hyeon-Su 한국관광식음료학회 2005 관광식음료경영연구 Vol.16 No.1
This study proposes the customer quality a parameter of service quality from a new perspective, develops and evaluation scale for it in relation to service business, analyzes and evaluates the its effect on service quality and performance. First, the concept of service quality and customer quality was investigated in the literatures, to find a basis for its relation to the quality of hotel service. However, previous 1) Among the service quality components, the strongest correlation exists between physical quality and service quality. 2) Hotel quality is most influenced by customer quality, followed by service provider quality and physical quality showing that when customer quality is incorporated as a prerequisite parameter if hotel quality it has the most effect on hotel quality, which is a new result. 3) Customer quality plays a significant indirect role via hotel quality on performance, and the physical quality and service provider quality offered to the customer at a hotel have more direct effect on performance, illustrating the difference in the effect on hotel quality depending on the component of hotel quality. 4) The evaluation of hotel quality and performance becomes more meaningful and valid only when customer quality is included as a prerequisite parameter of hotel quality to strongly interact with service provider quality 5) Comparative analysis of the different qualities according to the hotel class show a significant difference in customer quality, physical quality and service provider quality and performance between first-class and second-class hotels.