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yaoyusui木蟲 (正式寫手)
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[交流]
【求助】熱分析的困惑
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Sample Text 本蟲得到一個熱分析數(shù)據(jù),在做動力學分析時遇到這樣一個公式: Φ=ΔHcANexp(-Ea/RT)f(α) Φ是指實驗測得的單位質(zhì)量的熱流。這個是在DTA或者DSC數(shù)據(jù)里得到的嗎? 麻煩各位蟲仙指點! |
金蟲 (小有名氣)
木蟲 (正式寫手)
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as far as I know, the heat flow can be obtained from DSC, not DTA DTA offers you the difference in temperature of ur sample and reference. DSC offers you the difference in heat flow in order to keep both the sample and reference at same temperature during heating at a fixed rate. |
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