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随着技术进步,MRI设备的氦耗已大幅下降。早期MRI设备氦气泄漏速率约每小时0.4升,需要配备1000-2000升的大型储罐,每数月就需补充。(气态氦防泄漏难度极大,这也正是氦气常用于检漏的原因。)但现代MRI设备采用“零蒸发”技术,基本无需补充氦气。随着这些设备市场份额扩大,MRI设备的氦气需求预计将持续下降。但在可预见的未来,MRI仍将是氦气的重要需求来源。