FIELD: physics.
SUBSTANCE: invention relates to dynamic nuclear polarisation (DNP). A DNP polariser has a cover which accommodates the free end of a tubular liquid pipeline which is in flowing communication with a nozzle supported by said cover. Said nozzle has an inlet opening, a dispensing opening and a tapering or stepped inner surface which bounds the flow path in the nozzle which passes in flow communication between said inlet opening and said dispensing opening.
EFFECT: high efficiency of dissolving solid polarised sample.
13 cl, 13 dwg
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