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Fusion Science and Technology
Latest News
Disease-resistant cauliflower created through nuclear science
International Atomic Energy Agency researchers have helped scientists on the Indian Ocean island nation of Mauritius to develop a variety of cauliflower that is resistant to black rot disease. The cauliflower was developed through innovative radiation-induced plant-breeding techniques employed by the Joint Food and Agriculture Organization (FAO)/IAEA Centre of Nuclear Techniques in Food and Agriculture.
M. Iwase, S. Kubo, R. Kumazawa, H. Idei, K. Ohkubo, T. Mutoh, T. Watari, K. Nishimura, S. Okamura, K. Matsuoka, T. Minami, I. Yamada, K. Narihara, K. Ida, H. Iguchi
Fusion Science and Technology | Volume 27 | Number 3 | April 1995 | Pages 248-251
Helical Systems | doi.org/10.13182/FST95-A11947080
Articles are hosted by Taylor and Francis Online.
The electron power deposition profile has been estimated experimentally during the ion cyclotron range of frequency (ICRF) heating and the electron cyclotron resonance heating (ECRH) in the compact helical system (CHS). The time evolution of the local electron temperature is measured from the second harmonic electron cyclotron emission (ECE) using super heterodyne radiometer. The absorbed power by electrons has been derived from the change in the slopes of the local electron temperature just before and after the input power is turned off. The power deposition profiles of electrons are compared with results from the calculation code in ICRF experiment. Those results show good agreement. In the ECRH experiment the input power is modulated to reduce the power deposition profile. Those analyses give results that the input power is absorbed around ρ =0.6.
