• Title/Summary/Keyword: Codex

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COronal Diagnostic EXperiment (CODEX)

  • Bong, Su-Chan;Kim, Yeon-Han;Choi, Seonghwan;Cho, Kyung-Suk;Newmark, Jeffrey S;Gopalswamy, Natchimuthuk;Gong, Qian;Reginald, Nelson L.;Cyr, Orville Chris St.;Viall, Nicholeen M.;Yashiro, Seiji;Thompson, Linda D.;Strachan, Leonard
    • The Bulletin of The Korean Astronomical Society
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    • v.44 no.1
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    • pp.82.2-82.3
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    • 2019

  • Korea Astronomy and Space Science Institute (KASI), in collaboration with the NASA Goddard Sparce Flight Center (GSFC), will develop a next generation coronagraph for the International Space Station (ISS). COronal Diagnostic EXperiment (CODEX) uses multiple filters to obtain simultaneous measurements of electron density, temperature, and velocity within a single instrument. CODEX's regular, systematic, comprehensive dataset will test theories of solar wind acceleration and source, as well as serve to validate and enable improvement of space-weather/operational models in the crucial source region of the solar wind. CODEX subsystems include the coronagraph, pointing system, command and data handling (C&DH) electronics, and power distribution unit. CODEX is integrated onto a standard interface which provides power and communication. All full resolution images are telemeters to the ground, where data from multiple images and sequences are co-added, spatially binned, and ratioed as needed for analysis.

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Comparison between Use Levels of Food Additives by Codex and Korea (국내 및 Codex에서 식품첨가물의 사용기준 비교)

  • Lee Mi-Gyung;Lee Su-Rae;Park Sung-Kwan;Hong Ki-Hyoung;Lee Tal-Soo;Jang Young-Mi;Kwon Yong-Kwan;Park Seong-Guk
    • Journal of Food Hygiene and Safety
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    • v.21 no.1
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    • pp.14-22
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    • 2006

  • It is anticipated that difficulties are encountered in comparing the use levels of food additives between Korean and Codex systems because of the differences in the use level pattern and food classification method. This study was attempted to construct comparison tables between Korean and Codex standards for benzoic acid, food red No. 2, sulfur dioxide and polysorbate as well as for soybean paste, hot soybean paste and intstant noodle. Difficulties were found to be due to the food category system in use levels by additives and due to the mixed pattern of use level setting in Korea in use levels by food commodities. The comparison tables proposed in this study will be utilized momentously by regulatory authorities and food processing industry. This study showed the necessity to pay attention in comparing the use levels of food additives by country and food commodity.

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