What is Material Humidity? What is Humidity?

In the Metrology Act, humidity is defined as "the quantity of the state of the object". Material humidity refers to both the relative humidity of the material.

Note that relative humidity covers all areas of humidity, i.e. it is suitable for analyzing material humidity. The moisture of the material is within the range of humidity.

Air humidity refers to the amount of water vapor contained in the air, and the higher the humidity, the more humid the air, and the closer the water vapor is to saturation.

There is no direct correlation between the two, so comparisons are generally not made.

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Have you ever noticed that a layer of moisture will condense on the outer wall of a Coke taken out of the fridge after a while? Where does this moisture come from? In fact, there is always moisture in the air in the form of water vapor, and the water vapor in the air is invisible.

When the water vapor condenses on the cold surface of the tank, it becomes visible. "Humidity" refers to the amount of water vapor in the air. There is moisture in the air anywhere, even in the Great Desert.

Humidity is not set in stone. The terms "absolute humidity" and "relative humidity" are generally used to describe the magnitude of humidity. "Absolute humidity" is the amount of water vapor per unit volume of air, i.e., how many milligrams of water vapor is contained per cubic centimeter of air.

But this doesn't mean much in practice. The most commonly used term is "relative humidity", which is expressed as a percentage. At 100%, it means that the air is completely filled with water vapor and has reached a saturated state.

The higher the temperature, the greater the amount of water vapor that the air can contain.

In layman's terms, the degree of dryness and wetness of the air is called "humidity".

Humidity is a physical quantity that indicates how dry the atmosphere is. The less water vapor is contained in a certain volume of air at a certain temperature, the drier the air; The more moisture, the more humid the air.

Humidity is divided into absolute humidity and relative humidity.

Absolute humidity refers to the mass of water vapor contained in each cubic meter of air.

Relative humidity refers to the degree to which water vapor is saturated in the air, which is 100% RH when saturated. When the absolute humidity is constant, the higher the temperature, the lower the relative humidity.

Condensation is a phenomenon in which condensation occurs on relatively low temperature objects when the humidity of the air reaches a certain saturation.

Humidity is universal, and condensation is just a special phenomenon when humidity reaches a certain level.

Humidity refers to the physical quantity of water vapor in the air, which is divided into two types: absolute humidity and relative humidity.

Absolute humidity: Refers to the weight of water vapor contained in 1 cubic meter of air.

Relative humidity: refers to the weight of water vapor contained in the air at a certain temperature and the weight of the air reaching saturation at the same temperature.

Temperature and humidity. Under normal circumstances, low temperature is the most comfortable, and people will be calmer in low temperatures, but when the temperature rises, and to a certain extent, people's emotions will fluctuate. Under continuous high temperature and sunshine, when the air humidity is lower than 80%, the hypothalamus, which regulates emotions, is greatly affected, and people are very prone to irritability and irritability.

The amount of moisture in the air is humidity.

In science, humidity refers to the amount of moisture in the air, which reflects how dry and wet the air is.