高周波を利用したフラクションコレクター用リレー : 高周波による化学反応の追跡第4報

概要

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A relay was designed which operates by the change of dielectric constant. A coaxial condenser (Figs. 1 and 2) is connected parallelly with the tuning circuit of a crystalline oscilator (Figs. 1 and 4). When the circuit is syntonized, the relay does not operate and the magic eye is closed. Now, when a liquid, say water, flown in the coaxial condenser, its capacity is increased enough to break off the syntony and stop the oscillation. The magic eye is opened and the relay operates until the liquid flows out of the condenser. For the liquid of a low dielectric constant, the measure of the coaxial condenser has a large effect. Type A (Tables 1 and 2) is the one which operates even in the case of ligroin when its volume is over 5 cc. Except this restriction, the relay works well, stably and surely.
社団法人日本農芸化学会の論文