The equipartition theorem states that a particles' kinetic energy-the energy it possesses due to motion-is determined only by its temperature, not its size or mass.

能量均分定理是指粒子的动能——即粒子移动具有的能量——只由其温度决定，而非其大小或质量。

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Planets are believed to emerge from the accretion of particles in a disk of gas and dust as they whirl around the star.

行星被认为是由围绕恒星旋转的气体和尘埃组成的圆盘中的粒子累积而成。

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They combine with dust particles from the comet to form a huge cloud.

它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。

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Homogenization is a process that reduces the size of the fat particles and mixes the fat all through the milk.

VOA: special.2009.07.21

So this project was, let's see if we can detect any alpha particles by making a detector that swings around.

当你是本科生的时候，你们的导师会派一些,你们看上去很傻的工作,给你们干，现在这个工作就是。

麻省理工公开课 - 化学原理课程节选

If he switched from gold to let's say iron, he also tried platinum, a number of different foils, he found that they count rate it still was 20 alpha particles per minute.

金箔的时候，计数率就变成零了,如果他把金换成比如说铁，他们还尝试了铂,还有一系列其他的箔片，他发现计数率还是每分钟。

麻省理工公开课 - 化学原理课程节选

Macha is a suspension of microscopic tea particles, which gave him the idea of manufacturing using a suspension of particles in water, he says.

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Investors putting in buy and sell calls should then act a bit like particles in a glass of milk, which remain suspended because they are constantly bustling into one another in a process known as Brownian motion.

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After devising experiments to simulate the aging of a mattress, the CSPC calculated that a grand total of 210 micrograms of antinomy particles of a size capable of being inhaled would be released over the course of 10 years.

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