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Investigations of After Cavity Interaction in Gyrotrons Including the Effect of Non-uniform Magnetic Field

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Book Series: Karlsruher Forschungsberichte aus dem Institut für Hochleistungsimpuls- und Mikrowellentechnik ISSN: 21922764 ISBN: 9783731501299 Year: Volume: 4 Pages: X, 124 p. DOI: 10.5445/KSP/1000037030 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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Abstract

Dynamic after-cavity interaction (ACI) in megawatt-class gyrotrons is investigated that could lead to lower output mode purity and increased level of internal stray radiation. The self-consistent KIT-IHM multi-mode-code SELFT has been modified to extend the simulation domain into the radius up-taper section of the gyrotron cavity where the probability of ACI exists. Studies on four different gyrotron configurations confirm that undesired interactions in the up-taper region can result in additional parasitic oscillations with relative power in the 1%-range.

Elucidating the function of mycorrhizal-induced Kunitz protease inhibitors and characterization of their putative target proteases in Medicago truncatula

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ISBN: 9783731501756 Year: Pages: XVI, 169 p. DOI: 10.5445/KSP/1000038422 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Biology
Added to DOAB on : 2019-07-30 20:02:02
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Abstract

Most terrestrial plants live in symbiosis with arbuscular mycorrhizal fungi. In this study, a mycorrhizal-induced gene family of Medicago truncatula encoding putative Kunitz protease inhibitors was functionally characterized by means of biomolecular, biochemical, microscopical and in silico methods. Their putative target proteases were identified among a clan of serine carboxypeptidases. Results suggest that both protein families work functionally together to control mycorrhizal establishment.

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