寇热是由贝纳立克次体(又称伯氏立克次体、寇热立克次体)引起的急性传染病。1937年Derrick在澳大利亚的昆士兰发现并首先描述,因当时原因不明,故称该病为Q热。寇热的潜伏期一般为20天,其范围在2~5周之间不等。临床上起病急,高热,多为弛张热伴寒战、严重头痛及全身肌肉酸痛。少数患者尚可出现咽痛、恶心、呕吐、腹泻、腹痛及精神错乱等表现。
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q1 The heat input is just q1, Q and we'll define that as capital Q.
输入的热是,我们把它定义为大写的。
Cp And delta T is given by the heat, which has to do with how much of the candle burnt, divided by the constant pressure heat capacity.
T等于热量q除以恒定的等压热容,其中热量与,蜡烛燃烧的多少相关。
And because there is an explicit relationship between u, delta u, q and w, you can always find the easy way to derive the change in internal energy or the heat or the work.
因为Δu,q和w之间,有明确的关系,一般来说,内能或热或功的变化,易于计算。
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