试题与答案

在烹调过程中热传递的方式有传导传热、对流传热、电子传热、辐射传热、水和油传热五种形式

题型:判断题

题目:

在烹调过程中热传递的方式有传导传热、对流传热、电子传热、辐射传热、水和油传热五种形式。

答案:

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参考答案:解析: 问题归结求由一阶导数判别法可知,为R(x)的极小值点.又因驻点唯一,该极小值也是R(x)的最小值,故曲线y=lnx在点处的曲率半径最小.

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