magnetic double refraction 磁场致双折射 ; 磁双折射
magnetic c double refraction 磁场致双折射
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The finish oil content of PET staple fiber was determined by extraction weight method, extraction light refraction method, instant test method and nuclear magnetic resonance spectroscopy.
采用了萃取称重法、萃取折射率法、快速法、核磁共振法测定了对涤纶短纤维的含油率进行了比较。
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