Whether it's a gas or a solid, the properties of the pressure are the same, the pressure per unit area. The reason you think solid pressure is easy to understand and gas pressure is hard to understand is that you don't know what the pressure is.

　　气体是一组不断进行热运动的分子，这些分子不断地撞击容纳气体的容器壁。这些分子相互碰撞一次，就相当于对容器壁施加一个力，尽管这个力很小，而且作用的时间很短。但是有太多的人，太多的气体分子，它们不断地撞击容器壁，结果是容器壁的压强不变，除以容器壁的面积，也就是气体的压强。

　　A gas is a group of molecules that are constantly in thermal motion, and these molecules constantly impact the wall of the container containing the gas. When these molecules collide with each other, it is equivalent to applying a force to the vessel wall, although the force is very small and the acting time is very short. But there are too many people, too many gas molecules, they constantly hit the wall of the container, the result is that the pressure on the wall of the container is constant, divided by the area of the wall of the container, that is, the pressure of the gas.

　　气体压强的三个定律

　　Three laws of gas pressure

　　这里有一个图示的例子来进一步说明这种压力:

　　Here is a graphic example to further illustrate this pressure:

　　每个人都玩过拔河。如果绳子的两边同时拉，哪一边拉得更用力，哪一边就会赢。看起来会有一个恒定的拉绳的两端,但如果我们看一个运动员过程中施加的力,它实际上是不连续的,这是他的脚上下,拉绳子,每次他拉,拉绳子。但是人数很多，而且每个人都在更频繁地拉绳子，所以看起来像是在不断地、稳定地拉绳子。

　　Everyone has played tug of war. If you pull both sides of the rope at the same time, which side will pull harder, which side will win. It seems that there will be a constant pull rope at both ends, but if we look at the force exerted by an athlete in the process, it is actually discontinuous. This is his foot up and down, pulling the rope, every time he pulls, pulling the rope. But there are a lot of people, and everyone is pulling the rope more frequently, so it looks like pulling the rope constantly and stably.

　　每个运动员就像一个气体分子，绳子就像容器的壁，绳子上的拉力就像容器壁上的压力。每个分子所提供的力是不连续的，作用时间短，但当分子数量大，频率快时，可以认为对容器壁提供了稳定的力。

　　Every athlete is like a gas molecule, the rope is like the wall of the container, and the tension on the rope is like the pressure on the wall of the container. The force provided by each molecule is discontinuous and the action time is short, but when the number of molecules is large and the frequency is fast, it can be considered that a stable force is provided for the vessel wall.

　　所以气体的压强等于气体分子撞击容器壁的力/容器壁的面积

　　So the pressure of the gas is equal to the force of the gas molecules hitting the container wall / the area of the container wall

　　影响压强的因素

　　Factors affecting pressure

　　首先，让我们来分解“气体分子撞墙的力”，它等于单位时间内撞墙的分子数*每个分子的力。分解是很明显的，所以我就不细讲了。

　　First, let's decompose the "force of gas molecules hitting the wall", which is equal to the number of molecules hitting the wall in unit time * the force of each molecule. Decomposition is obvious, so I won't go into details.

　　将拆卸结果代入上述公式，可得:

　　By substituting the disassembly results into the above formula, we can get:

　　压强=单位时间内撞击壁面的分子数*分子力/壁面面积

　　Pressure = number of molecules hitting the wall in unit time * molecular force / wall area

　　(注意，这不是一个公式，它只反映了影响压力的因素。)

　　(note that this is not a formula, it only reflects the factors that affect stress. )

　　让我们逐一分析这三个因素:

　　Let's analyze these three factors one by one:

　　单位时间内撞击容器壁的分子数单位时间内撞击容器壁的分子数与气体的质量有关。气体的质量越大，单位时间内撞击容器壁的分子就越多。所以我们可以用质量来表示分子的数量。

　　The number of molecules striking the vessel wall in unit time the number of molecules striking the vessel wall in unit time is related to the mass of the gas. The larger the mass of the gas, the more molecules hit the wall of the container in unit time. So we can use mass to express the number of molecules.

　　单分子撞击力:单分子撞击力与碰撞速度有关，温度越高，聚合物运动越快，撞击力越大。所以你可以用温度来表示冲击力。

　　Impact force of single molecule: the impact force of single molecule is related to the impact speed. The higher the temperature is, the faster the polymer moves and the greater the impact force is. So you can express the impact force in terms of temperature.

　　容器壁的面积:为简单起见，我们假设容器是一个球体，体积越小，容器壁的面积就越小。所以我们可以用体积来表示撞击平面的面积。

　　Area of container wall: for simplicity, let's assume that the container is a sphere. The smaller the volume, the smaller the area of the container wall. So we can use volume to express the area of the impact plane.

　　基于上述分析，我们的公式可以进一步改写为:

　　Based on the above analysis, our formula can be further rewritten as:

　　压强等于气体的质量乘以温度每体积

　　The pressure is equal to the mass of the gas times the temperature per volume

　　(注意，它的确切写法是理想气体定律，pv=nRT，意思是一样的，但我认为它更直观一些)

　　(note that its exact formulation is the ideal gas law, PV = NRT, which means the same, but I think it's more intuitive.)

　　三定律

　　Three laws

　　让我们在本文开始部分分析这三个定律。

　　Let's analyze these three laws at the beginning of this article.

　　波义耳定律:如果压强等于气体的质量*温度/体积，体积越小，分母就越小，值就越大。

　　Boyle's Law: if the pressure is equal to the mass of gas * temperature / volume, the smaller the volume is, the smaller the denominator is, and the larger the value is.

　　查理定律:由压强=气体质量*温度/体积，质量与体积不变，温度越高，等于分子越大，值越大，即压强越大。

　　Charlie's Law: from pressure = gas mass * temperature / volume, the mass and volume remain the same. The higher the temperature is, the larger the molecule is, the greater the value is, that is, the greater the pressure is.

　　Gay-gay-lussac定律:如果压力等于气体的质量*温度/体积,如果质量是恒定的,压力也必须保持不变,分子和分母必须彼此同样比例或彼此成正比例的。因此，当压开云在线官方定时，体积与温度成正比。

　　Gay gay lussac Law: if the pressure is equal to the mass * temperature / volume of the gas, if the mass is constant, the pressure must remain unchanged, and the molecule and denominator must be in the same proportion or in a positive proportion to each other. Therefore, when the pressure is constant, the volume is directly proportional to the temperature.

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　　The above is the related content introduced by the gas booster pump manufacturer. To learn more, please visit the website: //keonnected.com