Bioelectric potentials in the small intestine have been measured in a series of dogs using intraluminal ring electrodes on a probe inserted through the mouth and stomach. Potentials of the order of one millivolt have been obtained for the slow wave using this technique. The velocity of the propagating signal was measured to be about 10 cm/s, and the frequencies of the signals in the small intestine and the pylorus were about 0.27 Hz and 0.06 Hz, respectively. The signals obtained are similar to those reported in the literature for other methods.
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机译：小肠中的生物电势已在一系列狗中进行了测量，使用的是通过口腔和胃部插入的探针上的腔内环形电极。使用该技术，已经为慢波获得了大约一毫伏的电势。测得传播信号的速度约为10 cm / s，小肠和幽门中的信号频率分别约为0.27 Hz和0.06 Hz。所获得的信号与文献中针对其他方法报道的信号相似。
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