Surface properties of PVC were characterized by the contact Angle, surface tension, X-ray photoelectron spectroscopy (XPS) and electron spin resonance (ESR).

等离子体改性前后pvc的表面特性通过接触角、表面张力、X -光电子能谱(XPS)、电子自旋共振(esr)表征。

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A new method of low-field pulsed nuclear magnetic resonance (NMR) spectroscopy for the determination of spin finish in cellulose acetate tow was investigated.

研究了采用低场脉冲核磁共振(nmr)测定二醋酸纤维素丝束油剂的新方法，给出nmr法测定二醋酸纤维素丝束油剂含量的标准曲线。

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