isocratic
isocratic[ˌʌɪsə(ʊ)ˈkratɪk]adjective- (Chemistry)(of a chromatographic method) involving a mobile phase whose composition is kept constant and uniform
(化)(色析法)恒溶剂的(组成成分保持持续不变的流动项的)
语源- early 19th cent.: from Greek isokratia 'equality of power' (from isos 'equal' + kratos 'strength') + -ic
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