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【Basic Knowledge of Occupational Health】Aerosols

2016-03-18View Original

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This post was last edited by slll611 on 2016-3-18 at 11:46. In the previous installment, we learned about the definition of dust. There is a term that often appears alongside dust, called aerosol. What is an aerosol? GBZT224-2010 \"Terminology for Occupational Health\" defines it as soloidal substances in which a liquid or solid acts as the dispersed phase, dispersed in a gaseous medium, such as dust, fog, or smoke. Smoke consists of solid particles dispersed in the air with a diameter of less than 0.1 micrometers. Fog consists of liquid droplets dispersed in the air, usually formed by the condensation of vapor or the dispersion of liquid.
Reply #22016-03-18
Aerosols are suspension systems of liquid or solid particles in the air. Fog, smoke, haze, mist, dust, and smog are all atmospheric aerosols caused by natural or human factors. They can serve as nuclei for water droplets and ice crystals (see atmospheric condensation nuclei, atmospheric ice nuclei), act as absorbers and scatterers of solar radiation, and participate in various chemical cycles; they are thus an important component of the atmosphere.
Reply #32016-03-18
An aerosol is a colloidal dispersion system formed by solid or liquid particles that are dispersed and suspended in a gaseous medium, also known as a gas dispersion system. Its dispersed phase consists of solid or liquid particles with sizes ranging from 0.001 to 100 micrometers, and the dispersion medium is gas.
Reply #42016-03-18
An aerosol is a colloidal dispersion system formed by solid or liquid particles that are dispersed and suspended in a gaseous medium, also known as a gas dispersion system. Its dispersed phase consists of solid or liquid particles with sizes ranging from 0.001 to 100 micrometers, and the dispersion medium is gas.
Reply #52016-03-18
Aerosols are suspension systems of liquid or solid particles in the air. Fog, smoke, haze, mist, dust, and smog are all atmospheric aerosols caused by natural or human factors.
Reply #62016-03-18
An aerosol is a sol material in which a liquid or solid phase is dispersed within a gaseous medium, such as dust, fog, or smoke. Smoke consists of solid particles dispersed in the air with a diameter of less than 0.1 micrometers. Fog consists of liquid droplets dispersed in the air, usually formed by the condensation of vapor or the dispersion of liquid.
Reply #72016-03-18
An aerosol is a colloidal dispersion system formed by solid or liquid particles that are dispersed and suspended in a gaseous medium, also known as a gas dispersion system. Its dispersed phase consists of solid or liquid particles with sizes ranging from 0.001 to 100 micrometers, and the dispersion medium is gas.
Reply #82016-03-18
A colloidal dispersion system formed by small solid or liquid particles dispersed and suspended in a gaseous medium, also known as a gas dispersion system. Its dispersed phase consists of solid or liquid particles with sizes ranging from 0.001 to 100 micrometers, and the dispersion medium is gas.
Reply #92016-03-18
An aerosol is a suspension of liquid or solid particles in the air. They can serve as nuclei for water droplets and ice crystals (see atmospheric condensation nuclei, atmospheric ice nuclei), as absorbers and scatterers of solar radiation, and they participate in various chemical cycles; they are an important component of the atmosphere. Fog, smoke, haze, mist, dust, and smog are all atmospheric aerosols caused by natural or human factors
Reply #102016-03-19
A sol is a suspension system of liquid or solid particles in air. They can serve as nuclei for water droplets and ice crystals. They are absorbers and scatterers of solar radiation, and participate in various chemical cycles; they are an important component of the atmosphere. Fog, smoke, haze, mist (calm haze), dust, and smog are all atmospheric aerosols caused by natural or human factors.
Reply #112016-03-19
Can it be understood in this way that dust is just one type of aerosol? But are aerosols not just dust, but also liquid droplets?

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