• 제목/요약/키워드: Comparative Research

검색결과 6,510건 처리시간 0.039초

비만에 대한 절식요법의 임상연구 고찰: 국내 한의학 연구 중심으로 (Review of Clinical Study on Fasting for Obesity: Focused on Korean Medicine Research)

  • 박원형;차윤엽
    • 한방비만학회지
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    • 제16권1호
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    • pp.50-63
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    • 2016
  • Objectives: The aim of this study is to analyze methods and outcomes about fasting for obesity in korea medicine research. Methods: We searched the studies with key words of 'obesity' and 'fasting or starvation' in Korean database (Korean traditional knowledge portal, OASIS, KISS, KMBASE, DBPIA, RISS). Studies were analyzed for contents, evaluation methods and adverse effects. Results: Twenty-one studies were reviewed. Studies were published in 1983~2015. 1. Studies can be classified into three types: comparative study on before and after, comparative study between groups, case study on other disease occurred during the fasting therapy period. 2. The most common step of fasting were 3 steps: reducing food intakes period (3~5 days), fasting period (7~10 days) and refeeding period (3~5 days) and additional period-diet period (28 days). 3. The most common evaluation methods were body weight (BW), body fat mass (BFM), muscle weight (MW), fat free mass, body mass index, body fat percentage, etc. 4. BW, BFM, MW were reduced largely in fasting period. 5. The most common adverse effects were fatigue, nausea, headache, vomiting, insomnia, etc. Conclusions: As a result of the review papers, fasting therapy have positive effects for obesity. To verify the effectiveness of the fasting, more studies are needed such as randomized controlled trial.

Comparative Analysis of Completely Sequenced Insect Mitochondrial Genomes

  • Lee, Jin-Sung;Kim, Ki-Hwan;Suh, Dong-Sang;Park, Jae-Heung;Suh, Ji-Yoeun;Chung, Kyu-Hoi;Hwang, Jae-Sam
    • International Journal of Industrial Entomology and Biomaterials
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    • 제2권1호
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    • pp.1-6
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    • 2001
  • This paper reports a few characteristics of seven insect mitochondrial genomes sequenced completely (Bombyx mori, Drosophila melanogaster, D. yakuba, Apis mellifera, Anopheles gambiae, A. quadrimaculatus, and Locusta migratoria). Comparative analysis of complete mt genome sequences from several species revealed a number of interesting features (base composition, gene content, A+T-rich region, and gene arrangement, etc) of insect mitochondrial genome. The properties revealed by our work shed new light on the organization and evolution of the insect mitochondrial genome and more importantly open up the way to clearly aimed experimental studies for understanding critical roles of the regulatory mechanisms (transcription and translation) in mitochondrial gene expression.

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서해상과 연안지역의 풍력기상자원 비교평가 (Comparative Assessment of Wind Resources Between West Offshore and Onshore Regions in Korea)

  • 김대영;정형세;김연희;김백조
    • 대기
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    • 제28권1호
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    • pp.1-13
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    • 2018
  • Characteristics of wind resources of offshore and coastal regions were compared using wind data obtained from HeMOSU-1 (Herald of Meteorological and Oceanographic Special Unit-1) meteorological mast located at Southwestern Sea, and ground-based LiDAR (Light Detection And Ranging) at Gochang observation site near it. The analysis includes comparison of basic wind statistics such as mean wind speed, wind direction, power law exponent and their temporal variability as well as site assessment items for the wind power plant such as turbulence intensity and wind power density at the two observation sites. It was found that the wind at HeMOSU-1 site has lower diurnal and seasonal variability than that at Gochang site, which lead to smaller turbulence intensity. Overall, the results of the comparative analysis show that the wind resource at HeMOSU-1 site located offshore has more favorable condition for wind power generation than the wind resource at Gochang which shows nature of coastal area.

대기분진의 원소분석에 대한 k0-NAA법의 비교 (Comparative Analysis of Elemental Components in Airborne Particulate Matter by k0-NAA Methods)

  • 정용삼;문종화;조현제;김영진
    • 분석과학
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    • 제18권1호
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    • pp.51-58
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    • 2005
  • A comparison of the analytical data obtained by three $k_0$-NAA software programs was carried out using both the airborne particulate matter collected from an urban site and the certified reference materials of the air filter and urban dust to evaluate the performance of the analysis. The individual $k_0$-NAA standardization methods of three countries, Korea, China and Vietnam which had been modified from the well established $k_0$-program were used for the comparative analysis. The measured concentrations of 30 elements from the two kinds of air samples based on this software were in agreement with each other within about 20% analytical error except for a few elements. By contrast, the results of China and Vietnam were moderately higher than that of Korea due to a systematic error associated with the detection efficiency, gamma peak analysis and geometric effect.

한, 미, 일 3국 기업의 인터넷 활용단계 및 발전모델연구 - 시계열 분석을 중심으로 - (Comparative Analysis of Levels of Internet Usage and Developments in Companies among Korea, U-S., and Japan)

  • 서영호;채영일;이현수
    • 품질경영학회지
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    • 제30권1호
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    • pp.47-60
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    • 2002
  • Recently, the range of using Internet in business is expanding rapidly. And through Internet, companies are strengthening both their internal efficiency and their external competitive advantage in the market. In recent years, building and managing companies' web sites are becoming unavoidable tasks in business. Such a trend is becoming more imperative in business over the world. There is a great deal of research in progress to study the cases of companies with increasing performance from the use of their Internet web sites. But it is considered that there has not been enough of study in the area of levels of Internet application in business especially in strategic areas and application levels among countries. This research is in the same line of the research that was carried out on such topics in 1999. study in 1999 showed that there are significant differences in the usage levels of Internet in business between countries with long history of using Internet and those who are not. The 1999 study also suggested the model on development stages of Internet usage in business. This study is the continuation of the 1999 research and used two years of data to compare and analyze the trend of the Internet development stages in leading corporations in Korea, U.S.A., and Japan. This study found that there have been significant developments in the ability to use Internet in business in three countries. The differences in Internet usage level in each stage among different countries are compared and analyzed in this study.