Although the two generalizations can be clearly observed, it is still necessary to further quantify the decrease or increase extent of Δ d n and Δ v n for comparison, so as to obtain a clear trend of Δ d n and Δ v n versus varying T values.
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Characterization of Self-Powered Triboelectric Tachometer with Low Friction Force.
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The sentences
On the contrary, in Figure 2 c, when T = 0.033 s, Δ d n also experienced a settling process, but in an increasing trend, before finally becoming stable.