Temperature dependencies of the transport and the electron paramagnetic resonance ( EPR ) of La - { 0.7 } Ca - { 0.3 } MnO - 3 polycrystalline were studied.

本文研究了La0.7Ca0.3MnO3多晶样品的输运性质、电子顺磁共振 ( EPR ) 谱随温度的变化规律.

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Char yield of these resins was studied using TG and electro paramagnetic resonance EPR.

用热重、电子顺磁共振等方法研究了改性酚醛树脂的残碳率.

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Antioxygenation of tea _ polyphenol TP and its mechanism were studied by paramagnetic resonance spectroscopy.

研究了茶叶中的主要活性成分茶多酚的抗氧化作用及其机理.

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