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The thermal decomposition of single, double-and triple-base nitroguanidine propellants was studied by differential scanning calorimetry (DSC).

用差示扫描(DSC)研究分解性能。

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Crash Course 综合篇

And we measure enthalpy with a weird little science called calorimetry.

我们用一种叫做热法的奇怪小科学来测焓。

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化学 Crash Course

And finally, you learned some potential sources of error related to calorimetry.

最后,您热法相关的一些潜在误差源。

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健身知识科普

In this study, researchers pit five different fitness watches against a metabolic calorimetry chamber, and measured estimated physical activity calorie expenditure.

在这项中,员将五种不同的健身手表代谢热室进行对比,并测算的体力活动卡路里支出。

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化学 Crash Course

Calorimetry is the science of measuring the change in heat associated with a chemical reaction.

热法是测化学反应相关的热变化的科学。

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Crash Course 综合篇

Scientists have actually done on the calorimetry footwork for us, so we can actually predict how much heat a chemical reaction will produce.

科学家们实际上已经为我们完成热法步法,因此我们实际上可以预测化学反应会产生多少热

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化学 Crash Course

So there you go, the calorimetry formula gave an absolute enthalpy change of 6.2 kJ, while Hess's Law gives a change of 5.67 kJ. So, why the difference?

所以你走热法公式给出 6. 2 kJ 的绝对焓变, 而赫斯定律给出 5. 67 kJ 的变化。 那么,为什么不同?

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化学 Crash Course

Any way that we can figure out the change of heat between the products and the reactants will work just as well, and that's where calorimetry comes in.

我们可以计算出产物和反应物之间的热变化的任何方法都同样有效,这就是热法的用武之地。

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化学 Crash Course

When doing calorimetry, we calculate a change in heat by measuring a change in temperature, but as we've said a billion times before, heat and temperature are not the same thing.

在进行热法时,我们通过测温度的变化来计算热的变化, 但正如我们之前所说的十亿次, 热和温度不是一回事。

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