起始频率
By studying the sensitivity of Pt-DEB thin film sensor to methane gas CH4, the film sensors was hard to return to initial frequency after the absorption of CH4. And the sensitivity to CH4 with different concentration presented a character of nonlinear.
研究表明Pt-DEB薄膜QCM传感器在室温下对于瓦斯气体CH4的敏感特性,发现对CH4气体发生吸附过程后,很难回到初始频率,并且对不同浓度的瓦斯气体响应灵敏度呈非线性。
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