| 摘要 |
A nuclear magnetic resonance measuring apparatus includes an NMR probe head equipped with an NMR receiver coil and an irradiation coil, a preamplifier, for amplifying the NMR signal received by the NMR receiver coil, a coil cooling heat exchanger, for exchanging heat between the NMR receiver coil/irradiation coil and coolant, a preamplifier heat exchanger for exchanging heat between the preamplifier and the coolant, and a cooling device capable of cooling and compressing the coolant. Further, a first transfer tube is provided for transferring the coolant from the cooling device to the probe head, a second transfer tube for transferring the coolant from the probe head to the cooling device, a third transfer tube for transferring the coolant from the cooling device to the probe head, and a fourth transfer tube for transferring the coolant from the probe head to the cooling device.
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