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  2. List of atmospheric dispersion models - Wikipedia

    en.wikipedia.org/wiki/List_of_atmospheric...

    It handles instantaneous, continuous, and pool releases, and can model gases, particulates, and liquids. The model has a three regime structure: that of single building (area density < 5%), urban array (area density > 5%) and open. The model can be coupled with the US model SCIPUFF to replace the open regime and extend the model's prediction range.

  3. Mathematical formulation of the Standard Model - Wikipedia

    en.wikipedia.org/wiki/Mathematical_formulation...

    Standard Model of Particle Physics. The diagram shows the elementary particles of the Standard Model (the Higgs boson, the three generations of quarks and leptons, and the gauge bosons), including their names, masses, spins, charges, chiralities, and interactions with the strong, weak and electromagnetic forces.

  4. Standard Model - Wikipedia

    en.wikipedia.org/wiki/Standard_Model

    The development of the Standard Model was driven by theoretical and experimental particle physicists alike. The Standard Model is a paradigm of a quantum field theory for theorists, exhibiting a wide range of phenomena, including spontaneous symmetry breaking, anomalies, and non-perturbative behavior.

  5. Particulates - Wikipedia

    en.wikipedia.org/wiki/Particulates

    Particulates or atmospheric particulate matter (see below for other names) are microscopic particles of solid or liquid matter suspended in the air.The term aerosol refers to the particulate/air mixture, as opposed to the particulate matter alone, [1] though it is sometimes defined as a subset of aerosol terminology. [2]

  6. Atmospheric dispersion modeling - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_dispersion...

    The dispersion models vary depending on the mathematics used to develop the model, but all require the input of data that may include: Meteorological conditions such as wind speed and direction, the amount of atmospheric turbulence (as characterized by what is called the "stability class" ), the ambient air temperature, the height to the bottom ...

  7. The best air purifiers of 2025 - AOL

    www.aol.com/lifestyle/best-air-purifiers...

    HEPA Filters: High-efficiency particulate air filters are certified to remove at least 99.97% of particulates that are .3 microns in diameter on the low end (H10) and up to 99.995% of particulates ...

  8. Population balance equation - Wikipedia

    en.wikipedia.org/wiki/Population_balance_equation

    Particulate systems are characterized by the birth and death of particles. For example, consider precipitation process (formation of solid from liquid solution) which has the subprocesses nucleation , agglomeration , breakage, etc., that result in the increase or decrease of the number of particles of a particular radius (assuming formation of ...

  9. Particle physics - Wikipedia

    en.wikipedia.org/wiki/Particle_physics

    Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation.The field also studies combinations of elementary particles up to the scale of protons and neutrons, while the study of combination of protons and neutrons is called nuclear physics.

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