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COLLISION FREQUENCY

  • Collision frequency
  • Physics calculation for collisions

    Collision frequency describes the rate of collisions between two atomic or molecular species in a given volume, per unit time. In an ideal gas, assuming

    Collision frequency

    Collision_frequency

  • Collision theory
  • Chemistry principle

    reaction between A and B, the collision frequency calculated with the hard-sphere model with the unit number of collisions per m3 per second is: Z = n A

    Collision theory

    Collision theory

    Collision_theory

  • Fick's laws of diffusion
  • Mathematical descriptions of molecular diffusion

    Smoluchowski frequency represents the lower limit of the real collision frequency. In 2022, Chen calculates the upper limit of the collision frequency between

    Fick's laws of diffusion

    Fick's laws of diffusion

    Fick's_laws_of_diffusion

  • Kessler syndrome
  • Theoretical satellite collision cascade

    asteroid-belt. In June 1978, Kessler and Burton Cour-Palais co-authored "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt", demonstrating

    Kessler syndrome

    Kessler syndrome

    Kessler_syndrome

  • Pre-exponential factor
  • Numerical constant in the Arrhenius equation in chemical kinetics

    usually left for collision frequency. The pre-exponential factor can be thought of as a measure of the frequency of properly oriented collisions. It is typically

    Pre-exponential factor

    Pre-exponential_factor

  • Plasma parameters
  • Characteristic values of a plasma

    tokamaks, collisionality is a dimensionless parameter which expresses the ratio of the electron-ion collision frequency to the banana orbit frequency. The

    Plasma parameters

    Plasma_parameters

  • Electrojet
  • Electric current around the E region of ionosphere

    this region the electron gyro frequency (Larmor frequency) is much greater than the electron-neutral collision frequency. In contrast, the principal E

    Electrojet

    Electrojet

  • Plasma (physics)
  • State of matter

    electron plasma frequency (measuring plasma oscillations of the electrons) is much larger than the electron–neutral collision frequency. When this condition

    Plasma (physics)

    Plasma (physics)

    Plasma_(physics)

  • Donald J. Kessler
  • American astrophysicist (born 1940)

    first published his ideas in 1978, in an academic paper titled "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt." The paper

    Donald J. Kessler

    Donald_J._Kessler

  • Steric factor
  • Quantity used in collision theory

    one predicted by collision theory. It can also be defined as the ratio between the pre-exponential factor and the collision frequency, and it is most often

    Steric factor

    Steric_factor

  • Bohm diffusion
  • Physical phenomenon

    \rho } and the step time is the collision time, τ {\displaystyle \tau } , which is related to the collision frequency through τ = 1 / ν {\displaystyle

    Bohm diffusion

    Bohm_diffusion

  • Boltzmann equation
  • Equation of statistical mechanics

    that the rate at which this occurs is proportional to the molecular collision frequency. The Boltzmann equation is therefore modified to the BGK form: ∂

    Boltzmann equation

    Boltzmann equation

    Boltzmann_equation

  • Appleton–Hartree equation
  • Mathematical expression

    } : electron collision frequency ω = 2 π f {\displaystyle \omega =2\pi f} : angular frequency f {\displaystyle f} : ordinary frequency (cycles per second

    Appleton–Hartree equation

    Appleton–Hartree_equation

  • Syndrome
  • Association of several clinically recognizable features

    2014-02-15. Kessler, Donald J.; Cour-Palais, Burton G. (1978). "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt" (PDF). Journal

    Syndrome

    Syndrome

  • Diffusion-controlled reaction
  • Reaction rate equals rate of transport

    than the diffusion of reactants and thus the rate is governed by collision frequency. Diffusion control is rare in the gas phase, where rates of diffusion

    Diffusion-controlled reaction

    Diffusion-controlled_reaction

  • Hall effect
  • Electromagnetic effect in physics

    the electron gyrofrequency, Ωe, and the electron-heavy particle collision frequency, ν: β = Ω e ν = e B m e ν {\displaystyle \beta ={\frac {\Omega _{\mathrm

    Hall effect

    Hall effect

    Hall_effect

  • Latin letters used in mathematics, science, and engineering
  • redshift a third unknown variable the collision frequency of A with A is denoted zA(A) the collision frequency factor is denoted zAB Blackboard bold letters

    Latin letters used in mathematics, science, and engineering

    Latin_letters_used_in_mathematics,_science,_and_engineering

  • Ionosphere
  • Ionized part of Earth's upper atmosphere

    energy. Total refraction can occur when the collision frequency of the ionosphere is less than the radio frequency, and if the electron density in the ionosphere

    Ionosphere

    Ionosphere

    Ionosphere

  • Electrical mobility
  • Ability of charged particles to move through a medium in response to an electric field

    species, ν m {\displaystyle \nu _{\text{m}}} is the momentum-transfer collision frequency, m {\displaystyle m} is the mass. Mobility is related to the species'

    Electrical mobility

    Electrical_mobility

  • Magnetic diffusivity
  • Parameter in plasma physics

    m_{e}} is the electron mass. ν c {\displaystyle \nu _{c}} is the collision frequency. Electrical resistivity and conductivity Somov, Boris V. (2012).

    Magnetic diffusivity

    Magnetic_diffusivity

  • International Standard Atmosphere
  • Atmospheric model

    conductivity 2.5339 × 10−2 W m−1 K−1 Mean free path 6.6317 × 10−8 m Collision frequency 6.9204 × 109 s−1 Particle speed 4.5894 × 102 m s−1 Number density

    International Standard Atmosphere

    International Standard Atmosphere

    International_Standard_Atmosphere

  • Pedersen current
  • maximum when the frequency of collisions is approximately equal to the gyratory frequency so that the charge carriers experience one collision for every gyration

    Pedersen current

    Pedersen_current

  • Chemical kinetics
  • Study of the rates of chemical reactions

    means that more particles are present at the surface, and the frequency of collisions between these and reactant particles increases, and so reaction

    Chemical kinetics

    Chemical kinetics

    Chemical_kinetics

  • Reaction rate constant
  • Coefficient of rate of a chemical reaction

    A) takes into consideration the frequency at which reactant molecules are colliding and the likelihood that a collision leads to a successful reaction

    Reaction rate constant

    Reaction_rate_constant

  • Traffic collision
  • Incident when a vehicle collides with another object

    A traffic collision, also known as a motor vehicle collision or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road

    Traffic collision

    Traffic collision

    Traffic_collision

  • Hall-effect thruster
  • Type of electric propulsion system

    _{ce}=eB/m_{e}} is the electron cyclotron frequency and ν e {\displaystyle \nu _{e}} is an effective electron collision frequency. Ions are accelerated primarily

    Hall-effect thruster

    Hall-effect thruster

    Hall-effect_thruster

  • Farley–Buneman instability
  • Microscopic plasma instability

    Second, the collision frequency between ions and background neutral particles is assumed to be much greater than the ion cyclotron frequency, allowing the

    Farley–Buneman instability

    Farley–Buneman_instability

  • Langevin dynamics
  • Scientific theory

    the damping constant (units of reciprocal time), also known as the collision frequency; T {\displaystyle T} is the temperature, k B {\displaystyle k_{\rm

    Langevin dynamics

    Langevin_dynamics

  • Butler–Volmer equation
  • Equation characterising electrochemical kinetics

    the "correctly oriented" O-R collision frequency. The exponential term (Boltzmann factor) is the fraction of those collisions with sufficient energy to overcome

    Butler–Volmer equation

    Butler–Volmer_equation

  • Electrothermal instability
  • between the electron gyrofrequency Ωe and the electron-heavy particles collision frequency ν: β = Ω e ν = e   B m e   ν {\displaystyle \beta \,=\,{\frac {\Omega

    Electrothermal instability

    Electrothermal_instability

  • List of traffic collisions (before 2000)
  • people who died in traffic collisions. The prevalence of bus crashes in this list is a function of severity rather than of frequency. This list records crashes

    List of traffic collisions (before 2000)

    List_of_traffic_collisions_(before_2000)

  • Townsend (unit)
  • free path and collision frequency. The electric field E {\displaystyle E} governs the energy gained between two successive collisions. Reduced electric

    Townsend (unit)

    Townsend_(unit)

  • Transmission electron microscopy
  • Imaging and diffraction using electrons that pass through samples

    the ground without generating an arc, and secondly to reduce the collision frequency of electrons with gas atoms to negligible levels—this effect is characterized

    Transmission electron microscopy

    Transmission electron microscopy

    Transmission_electron_microscopy

  • Direct simulation Monte Carlo
  • Monte Carlo method

    From the collision frequency, f c o l l {\displaystyle f_{\mathrm {coll} }} , given by kinetic theory the total number of hard sphere collisions in a cell

    Direct simulation Monte Carlo

    Direct_simulation_Monte_Carlo

  • Magnetopause
  • Abrupt boundary between a magnetosphere and the surrounding plasma

    planet's magnetic field in a manner known as a geomagnetic storm. The collision frequency of particles in the plasma in the interplanetary medium is very low

    Magnetopause

    Magnetopause

    Magnetopause

  • Coalescer
  • Machine that induces coalescence of droplets in an emulsion

    emulsions under turbulent-flow conditions. The turbulence increases the collision frequency between the water drops. The electrodes are insulated to prevent

    Coalescer

    Coalescer

  • Air Canada Express Flight 8646
  • 2026 aviation accident in New York, U.S.

    runway where the collision would occur. ATC audio later released by media outlets captured a controller saying "I messed up" on the frequency shortly after

    Air Canada Express Flight 8646

    Air Canada Express Flight 8646

    Air_Canada_Express_Flight_8646

  • Atmospheric-pressure chemical ionization
  • Ionization method

    efficient as it occurs at atmospheric pressure, and thus has a high collision frequency. Additionally, APCI considerably reduces the thermal decomposition

    Atmospheric-pressure chemical ionization

    Atmospheric-pressure chemical ionization

    Atmospheric-pressure_chemical_ionization

  • Titanium biocompatibility
  • Overview of titanium's biocompatible properties

    protein), and F is the Faraday constant in C⋅mol−1. The equation for collision frequency is as follows: v c = 2 π D c d N A {\displaystyle v_{\text{c}}={2\pi

    Titanium biocompatibility

    Titanium biocompatibility

    Titanium_biocompatibility

  • RRKM theory
  • Microcanonic transition state theory of unimolecular reactions

    quantum number of angular momentum, ω {\displaystyle \omega } is the collision frequency between A ∗ {\displaystyle A^{*}} molecule and bath molecules, Q

    RRKM theory

    RRKM_theory

  • Brownian dynamics
  • Ideal molecular motion where no average acceleration takes place

    {\displaystyle \zeta =\gamma M} , where γ {\displaystyle \gamma } is the collision frequency with the solvent, a damping constant in units of time − 1 {\displaystyle

    Brownian dynamics

    Brownian_dynamics

  • Traffic collision avoidance system
  • Aircraft collision avoidance system

    alert and collision avoidance system (TCAS; /ˈtiːkæs/ TEE-kas), also called an airborne collision avoidance system (ACAS), is an aircraft collision avoidance

    Traffic collision avoidance system

    Traffic collision avoidance system

    Traffic_collision_avoidance_system

  • Plasma activation
  • low voltages, typically of the order of 10 – 100 V. Due to high collision frequencies of plasma species, atmospheric pressure arcs are in thermal equilibrium

    Plasma activation

    Plasma_activation

  • Andersen thermostat
  • Algorithm in molecular physics

    decorrelation of the particles. This effect grows with increasing collision frequency ν {\displaystyle \nu } . Berendsen thermostat Andersen, H. C. (1980)

    Andersen thermostat

    Andersen_thermostat

  • 2009 Hudson River mid-air collision
  • Fatal aviation accident

    on the East River. This was the first aircraft collision over the Hudson River since 1976. The collision, which occurred opposite 14th Street in Manhattan

    2009 Hudson River mid-air collision

    2009 Hudson River mid-air collision

    2009_Hudson_River_mid-air_collision

  • Collision avoidance system
  • Motorcar safety system

    A collision avoidance system (CAS), also known as a pre-crash system, forward collision warning system (FCW), or collision mitigation system, is an advanced

    Collision avoidance system

    Collision avoidance system

    Collision_avoidance_system

  • Momentum
  • Property of a mass in motion

    If it is conserved, the collision is called an elastic collision; if not, it is an inelastic collision. An elastic collision is one in which no kinetic

    Momentum

    Momentum

    Momentum

  • Collision-induced dissociation
  • Mass spectrometry technique to induce fragmentation of selected ions in the gas phase

    resonant frequency, but at a slightly off-resonant frequency, the ions will alternately be excited and de-excited, permitting multiple collisions at low

    Collision-induced dissociation

    Collision-induced dissociation

    Collision-induced_dissociation

  • Railway accident
  • Disaster involving one or more trains

    often been widely covered in popular media and in folklore. A head-on collision between two trains is colloquially called a "cornfield meet" in the United

    Railway accident

    Railway accident

    Railway_accident

  • Pressure reactor
  • including the liquid phase, and in turn increase concentration and collision frequency, and accelerate a reaction. Increase in temperature can speed up

    Pressure reactor

    Pressure_reactor

  • CFD-DEM
  • clusters. The process of lumping particles together reduces the collision frequency, which directly influences the energy dissipation. To account for

    CFD-DEM

    CFD-DEM

  • Space debris
  • Pollution around Earth by defunct artificial objects

    Bibcode:1971NASSP.267..595K.. Kessler, Donald; Cour-Palais, Burton (June 1978). "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt" (PDF). Journal

    Space debris

    Space debris

    Space_debris

  • Duplex (telecommunications)
  • Communication flowing simultaneously in both directions

    half-duplex systems, if more than one party transmits at the same time, a collision occurs, resulting in lost or distorted messages. A full-duplex (FDX) system

    Duplex (telecommunications)

    Duplex_(telecommunications)

  • Oxidative phosphorylation
  • Metabolic pathway

    AE, et al. (May 1984). "Relationship between lateral diffusion, collision frequency, and electron transfer of mitochondrial inner membrane oxidation-reduction

    Oxidative phosphorylation

    Oxidative phosphorylation

    Oxidative_phosphorylation

  • Impact event
  • Collision of two astronomical objects

    An impact event is a collision between astronomical objects causing measurable effects. Impact events have been found to regularly occur in planetary

    Impact event

    Impact event

    Impact_event

  • Gol Transportes Aéreos Flight 1907
  • 2006 mid-air collision over Brazil

    Amazonic Center frequencies. The Embraer then continued its attempts to reach Brasília Center, seven more times until the collision. The collision occurred at

    Gol Transportes Aéreos Flight 1907

    Gol Transportes Aéreos Flight 1907

    Gol_Transportes_Aéreos_Flight_1907

  • Channel access method
  • Means for multiple terminals to communicate over one medium

    same frequency hopping sequence synchronously, meaning that they send on the same frequency channel, but CDMA/CA or TDMA is used to avoid collisions within

    Channel access method

    Channel_access_method

  • 2025 Potomac River mid-air collision
  • 2025 mid-air collision over Washington, D.C.

    25 collided in mid-air over the Potomac River in Washington, D.C. The collision occurred at 8:47 p.m. at an altitude of about 300 feet (100 m) and about

    2025 Potomac River mid-air collision

    2025 Potomac River mid-air collision

    2025_Potomac_River_mid-air_collision

  • Magnetic reconnection
  • Process in plasma physics

    m}\mathbf {E} -\nu \mathbf {v} ,} where ν {\displaystyle \nu } is the collision frequency. Since in the steady state, d v / d t = 0 {\displaystyle d{\mathbf

    Magnetic reconnection

    Magnetic reconnection

    Magnetic_reconnection

  • Daniel Kleppner
  • American physicist (1932–2025)

    Landhuis; S. C. Moss; T. J. Greytak; D. Kleppner (1998). "Cold Collision Frequency Shift of the 1S-2S Transition in Hydrogen". Physical Review Letters

    Daniel Kleppner

    Daniel Kleppner

    Daniel_Kleppner

  • Multiple-vehicle collision
  • Road traffic accident involving many vehicles

    A multiple-vehicle collision (colloquially known as a pileup or multi-car collision), is a road traffic collision involving many vehicles. Generally occurring

    Multiple-vehicle collision

    Multiple-vehicle collision

    Multiple-vehicle_collision

  • 2021 Colorado mid-air collision
  • 2021 mid-air collision in Colorado, United States

    SA226-TC Metroliner over Cherry Creek State Park in Arapahoe County. The collision destroyed a large section of the cabin of the Metroliner and damaged the

    2021 Colorado mid-air collision

    2021 Colorado mid-air collision

    2021_Colorado_mid-air_collision

  • Radio-frequency identification
  • Electronic tracking technology

    Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists

    Radio-frequency identification

    Radio-frequency identification

    Radio-frequency_identification

  • Nuclear blackout
  • Disruption of radio signals by nuclear detonation

    plasma frequency as above, f {\displaystyle f} is the frequency of the radio signal, and f c {\displaystyle f_{c}} is the electron-neutral collision frequency

    Nuclear blackout

    Nuclear_blackout

  • Cascaded arc plasma source
  • at a relatively low electron temperature (~1 eV). Due to the high collision frequency of the particles in the source, the plasma is in thermal equilibrium

    Cascaded arc plasma source

    Cascaded arc plasma source

    Cascaded_arc_plasma_source

  • Tenerife airport disaster
  • 1977 runway collision in Spain

    needed] 1983 Madrid Airport runway collision 1990 Wayne County Airport runway collision 2001 Linate Airport runway collision Boeing assigned a customer code

    Tenerife airport disaster

    Tenerife airport disaster

    Tenerife_airport_disaster

  • Shneider-Miles scattering
  • phase shift present in semi-collisional scattering regimes allows for determination of a plasma's collisional frequency through coherent microwave scattering

    Shneider-Miles scattering

    Shneider-Miles_scattering

  • Triple quadrupole mass spectrometer
  • Type of mass spectrometer

    series, with a (non-mass-resolving) radio frequency (RF)–only quadrupole between them to act as a cell for collision-induced dissociation. This configuration

    Triple quadrupole mass spectrometer

    Triple quadrupole mass spectrometer

    Triple_quadrupole_mass_spectrometer

  • 1991 Los Angeles runway collision
  • 1991 runway collision in California

    progress strip and an aircraft that had inadvertently switched off the tower frequency. The SkyWest flight was told to taxi into takeoff position, while the

    1991 Los Angeles runway collision

    1991 Los Angeles runway collision

    1991_Los_Angeles_runway_collision

  • Plasma modeling
  • Model in computational physics

    coefficients such as mobility, diffusion coefficient, averaged collision frequencies, and so on. To determine the transport coefficients, the velocity

    Plasma modeling

    Plasma modeling

    Plasma_modeling

  • Critical frequency
  • telecommunications, the term critical frequency has the following meanings: In radio propagation by way of the ionosphere, the frequency at or below which a wave component

    Critical frequency

    Critical_frequency

  • Adiabatic invariant
  • Property of physical systems that stays somewhat constant through slow changes

    Magnetic pumping If the collision frequency is larger than the pump frequency, μ is no longer conserved. In particular, collisions allow net heating by transferring

    Adiabatic invariant

    Adiabatic_invariant

  • Drude model
  • Model of electrical conduction

    electron charge, number density, mass, and mean free time between ionic collisions. The latter expression is particularly important because it explains in

    Drude model

    Drude model

    Drude_model

  • Microwave
  • Electromagnetic radiation with wavelengths from 1 m to 1 mm

    millimeter, corresponding to frequencies between 300 MHz and 300 GHz, broadly construed. A more common definition in radio-frequency engineering is the range

    Microwave

    Microwave

    Microwave

  • Carrier-sense multiple access with collision avoidance
  • Computer network multiple access method

    Carrier-sense multiple access with collision avoidance (CSMA/CA) in computer networking, is a link layer multiple access method in which carrier sensing

    Carrier-sense multiple access with collision avoidance

    Carrier-sense multiple access with collision avoidance

    Carrier-sense_multiple_access_with_collision_avoidance

  • Space industry
  • Activities related to manufacturing components that go into Earth's orbit or beyond

    March 2025. Kessler, Donald J.; Cour-Palais, Burton G. (1978). "Collision frequency of artificial satellites: The creation of a debris belt". Journal

    Space industry

    Space industry

    Space_industry

  • Spectral line
  • Distinctive narrow spectral feature of chemical species

    from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies. Spectral lines are often used to identify atoms

    Spectral line

    Spectral_line

  • Implicit solvation
  • Method in computational chemistry

    significantly (up to 100 times in some cases) by using much lower collision frequency γ {\displaystyle \gamma } . Recent work has also been done developing

    Implicit solvation

    Implicit_solvation

  • Thomas P. Quinn
  • doi: 10.1109/MAP.1963.28061. "A Study of the Ion-Neutral Particle Collision Frequency and the Diffusion Coefficients for Atomic Oxygen Ions in the F Region"

    Thomas P. Quinn

    Thomas P. Quinn

    Thomas_P._Quinn

  • Marine VHF radio
  • Radios operating in the very high frequency maritime mobile band

    channel listing (with frequencies) US FCC marine channel listing (by function) UK MCA advice on use of VHF at sea, including collision avoidance, effective

    Marine VHF radio

    Marine VHF radio

    Marine_VHF_radio

  • Traffic collisions in India
  • India, the frequency of traffic collisions is 40 times higher than the rate in London, the capital of the United Kingdom. Traffic collision-related deaths

    Traffic collisions in India

    Traffic collisions in India

    Traffic_collisions_in_India

  • 1976 Zagreb mid-air collision
  • Fatal collision of passenger flights over Yugoslavia (now Croatia)

    The 1976 Zagreb mid-air collision was a mid-air collision that took place on September 10, 1976, when British Airways Flight 476 en route from London

    1976 Zagreb mid-air collision

    1976 Zagreb mid-air collision

    1976_Zagreb_mid-air_collision

  • Arrhenius equation
  • Formula for temperature dependence of rates of chemical reactions

    (frequency of collisions resulting in a reaction), T is the absolute temperature, A is the pre-exponential factor or Arrhenius factor or frequency factor

    Arrhenius equation

    Arrhenius_equation

  • Transponder (aeronautics)
  • Airborne radio transponder

    receives a radio-frequency interrogation. Aircraft have transponders to assist in identifying them on air traffic control radar. Collision avoidance systems

    Transponder (aeronautics)

    Transponder (aeronautics)

    Transponder_(aeronautics)

  • Compton scattering
  • Scattering of photons off charged particles

    (or the Compton effect) is the quantum theory of scattering of a high-frequency photon through an interaction with a charged particle, usually an electron

    Compton scattering

    Compton scattering

    Compton_scattering

  • Dust astronomy
  • Branch of astronomy

    2006.05.009. Kessler, Donald J.; Cour-Palais, Burton G. (1978). "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt". Journal

    Dust astronomy

    Dust astronomy

    Dust_astronomy

  • Terence James Elkins
  • American physicist (1936–2023)

    absorption on HF radio waves using realistic electron density and collision frequency models". ITU Telecommunication Journal. 42: 476–488. Bibcode:1975ITUTJ

    Terence James Elkins

    Terence James Elkins

    Terence_James_Elkins

  • Glossary of aerospace engineering
  • List of definitions of terms and concepts commonly used in aerospace engineering

    TheAtlantic.com. Kessler, Donald J.; Cour-Palais, Burton G. (1978). "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt". Journal

    Glossary of aerospace engineering

    Glossary_of_aerospace_engineering

  • Orthogonal frequency-division multiple access
  • Multi-user version of OFDM digital modulation

    Orthogonal frequency-division multiple access (OFDMA) is a multi-user version of the popular orthogonal frequency-division multiplexing (OFDM) digital

    Orthogonal frequency-division multiple access

    Orthogonal frequency-division multiple access

    Orthogonal_frequency-division_multiple_access

  • Impact events on Jupiter
  • Modern observed impacts on Jupiter

    on Jupiter have been observed, the most significant of which was the collision of Comet Shoemaker–Levy 9 in 1994. Jupiter is the most massive planet

    Impact events on Jupiter

    Impact events on Jupiter

    Impact_events_on_Jupiter

  • Automated emergency braking system
  • Vehicle safety technology

    potential forward collision and activate the vehicle braking system to decelerate a vehicle with the purpose of avoiding or mitigating a collision. UN ECE regulation

    Automated emergency braking system

    Automated emergency braking system

    Automated_emergency_braking_system

  • Photoelectric effect
  • Emission of electrons when electromagnetic radiation hits a material

    the light exceeds a certain frequency—regardless of the light's intensity or duration of exposure. Because a low-frequency beam at a high intensity does

    Photoelectric effect

    Photoelectric effect

    Photoelectric_effect

  • Bird–window collisions
  • Problem in urban areas

    there is great variation in the nature and frequency of collisions. Studies analyzing window collisions across greater spatial scales reveal interesting

    Bird–window collisions

    Bird–window collisions

    Bird–window_collisions

  • NEO-MAPP
  • asteroids with a trajectory crossing the Earth orbit – in terms of collisions frequency with Earth – are the smallest, the ones whose size is below 1 km

    NEO-MAPP

    NEO-MAPP

  • United Express Flight 5925
  • 1996 runway collision in Illinois

    all three aircraft were communicating on the Common Traffic Advisory Frequency. On approach, Captain Gathje inquired as to whether the King Air would

    United Express Flight 5925

    United Express Flight 5925

    United_Express_Flight_5925

  • Enzyme catalysis
  • Catalysis of chemical reactions by enzymes

    reactant would have to be, free in solution, to experiences the same collisional frequency. Often such theoretical effective concentrations are unphysical

    Enzyme catalysis

    Enzyme catalysis

    Enzyme_catalysis

  • Roadway departure
  • Type of single-vehicle collision

    volume roads. Some of these measures can also reduce the frequency and severity of head-on collisions. Median barriers are a form of guard rail that turn head-on

    Roadway departure

    Roadway departure

    Roadway_departure

  • Inductively coupled plasma mass spectrometry
  • Type of mass spectrometry that uses an inductively coupled plasma to ionize the sample

    radio-frequency magnetic field of the induction coil and are accelerated first in one direction, then the other, as the field changes at high frequency (usually

    Inductively coupled plasma mass spectrometry

    Inductively coupled plasma mass spectrometry

    Inductively_coupled_plasma_mass_spectrometry

  • Venad Express
  • Train in India

    travelled 327 km (203 mi) Average journey time 7 hours 25 minutes Service frequency Daily Train number 16301 / 16302 On-board services Classes AC Chair Car

    Venad Express

    Venad Express

    Venad_Express

  • Hamburger Dom
  • Fun fair in Hamburg, Germany

    Dom Hamburger Dom in 2017 Status Active Genre Volksfest (folk festival) Frequency Three times a year Locations Heiligengeistfeld, Hamburg Coordinates 53°33′14″N

    Hamburger Dom

    Hamburger Dom

    Hamburger_Dom

AI & ChatGPT searchs for online references containing COLLISION FREQUENCY

COLLISION FREQUENCY

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COLLISION FREQUENCY

  • Colleton
  • Surname or Lastname

    Irish

    Colleton

    Irish : variant of Culliton.English : variant spelling of Colliton.

    Colleton

  • Dollison
  • Surname or Lastname

    English

    Dollison

    English : variant of Dollinson (see Dollins).

    Dollison

  • Rollyson
  • Surname or Lastname

    English

    Rollyson

    English : variant spelling of Rollison.

    Rollyson

  • Collinson
  • Surname or Lastname

    English and Scottish

    Collinson

    English and Scottish : variant of Collins.

    Collinson

  • English
  • Surname or Lastname

    English

    English

    English : from Old English Englisc. The word had originally distinguished Angles (see Engel) from Saxons and other Germanic peoples in the British Isles, but by the time surnames were being acquired it no longer had this meaning. Its frequency as an English surname is somewhat surprising. It may have been commonly used in the early Middle Ages as a distinguishing epithet for an Anglo-Saxon in areas where the culture was not predominantly English--for example the Danelaw area, Scotland, and parts of Wales--or as a distinguishing name after 1066 for a non-Norman in the regions of most intensive Norman settlement. However, explicit evidence for these assumptions is lacking, and at the present day the surname is fairly evenly distributed throughout the country.Irish : see Golightly.

    English

  • Daniel
  • Surname or Lastname

    English, French, Spanish, Portuguese, German, Polish, Czech, Slovak, Hungarian (Dániel), Romanian, and Jewish

    Daniel

    English, French, Spanish, Portuguese, German, Polish, Czech, Slovak, Hungarian (Dániel), Romanian, and Jewish : from the Hebrew personal name Daniel ‘God is my judge’, borne by a major prophet in the Bible. The major factor influencing the popularity of the personal name (and hence the frequency of the surname) was undoubtedly the dramatic story in the Book of Daniel, recounting the prophet’s steadfast adherence to his religious faith in spite of pressure and persecution from the Mesopotamian kings in whose court he served: Nebuchadnezzar and Belshazzar (at whose feast Daniel interpreted the mysterious message of doom that appeared on the wall, being thrown to the lions for his pains). The name was also borne by a 2nd-century Christian martyr and by a 9th-century hermit, the legend of whose life was popular among Christians during the Middle Ages; these had a minor additional influence on the adoption of the Christian name. Among Orthodox Christians in Eastern Europe the name was also popular as being that of a 4th-century Persian martyr, who was venerated in the Orthodox Church.Irish : reduced form of McDaniel, which is actually a variant of McDonnell, from the Gaelic form of Irish Donal (equivalent to Scottish Donald), erroneously associated with the Biblical personal name Daniel. See also O’Donnell.Peter Daniel was one of the pioneer settlers in the 17th century in Stafford County, VA, where he was a justice of the peace. His grandson, Peter Vivian Daniel, was a U.S. Supreme Court justice from 1841 to his death in Richmond, VA, in 1860.

    Daniel

  • Allen
  • Surname or Lastname

    English and Scottish

    Allen

    English and Scottish : from a Celtic personal name of great antiquity and obscurity. In England the personal name is now usually spelled Alan, the surname Allen; in Scotland the surname is more often Allan. Various suggestions have been put forward regarding its origin; the most plausible is that it originally meant ‘little rock’. Compare Gaelic ailín, diminutive of ail ‘rock’. The present-day frequency of the surname Allen in England and Ireland is partly accounted for by the popularity of the personal name among Breton followers of William the Conqueror, by whom it was imported first to Britain and then to Ireland. St. Alan(us) was a 5th-century bishop of Quimper, who was a cult figure in medieval Brittany. Another St. Al(l)an was a Cornish or Breton saint of the 6th century, to whom a church in Cornwall is dedicated.This name was brought to North America from different parts of the British Isles independently by many bearers in the 17th and 18th centuries. Prominent early bearers include Samuel Allen, who settled in Braintree, MA, about 1629 (died 1648 in Windsor, CT) and whose descendants included Ethan Allen (1737–89), leader of the Green Mountain Boys in VT during the Revolution; and William Allen (died 1725), from Dungannon, Ireland, an early Presbyterian settler in Philadelphia, whose descendants include William Allen (1803–79), governor of OH.

    Allen

  • Collison
  • Surname or Lastname

    English

    Collison

    English : variant of Collins.

    Collison

  • Cullison
  • Surname or Lastname

    English

    Cullison

    English : probably a variant of Collison.

    Cullison

  • Lapsley
  • Surname or Lastname

    English and Scottish

    Lapsley

    English and Scottish : habitational name, in part possibly from Lapley in Staffordshire, so named from Old English læppa ‘end of a parish’ + lēah ‘woodland clearing’, although the frequency of the surname in Scotland suggests another, unidentified source may also be involved.

    Lapsley

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Online names & meanings

  • Frickey
  • Surname or Lastname

    English

    Frickey

    English : unexplained.Perhaps an Americanized spelling of German Fricke, a variant of Frick.

  • MÁIRÍN
  • Female

    Irish

    MÁIRÍN

    Pet form of Irish Gaelic Máire, MÁIRÍN means "obstinacy, rebelliousness" or "their rebellion."

  • Maryana
  • Girl/Female

    Australian, British, English

    Maryana

    Variant of Mary

  • Suhaylah
  • Girl/Female

    Arabic, Muslim

    Suhaylah

    Smooth; Soft Ground; Fluent; Flowing Style; Soft

  • Nainish
  • Boy/Male

    Hindu

    Nainish

    Lord of eyes

  • Aya |
  • Girl/Female

    Muslim

    Aya |

    Phrase from the holy Quran

  • Kaiser
  • Boy/Male

    Indian

    Kaiser

    Emperor, King

  • Aashirya | ஆஷீர்யா
  • Girl/Female

    Tamil

    Aashirya | ஆஷீர்யா

    From the land of God

  • Linley
  • Surname or Lastname

    English

    Linley

    English : variant spelling of Lindley.

  • Priyada
  • Girl/Female

    Gujarati, Hindu, Indian

    Priyada

    Beloved

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Other words and meanings similar to

COLLISION FREQUENCY

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COLLISION FREQUENCY

  • Coalition
  • n.

    The act of coalescing; union into a body or mass, as of separate bodies or parts; as, a coalition of atoms.

  • Collusive
  • a.

    Characterized by collusion; done or planned in collusion.

  • Clash
  • n.

    A loud noise resulting from collision; a noisy collision of bodies; a collision.

  • Hardhead
  • n.

    Clash or collision of heads in contest.

  • Collodium
  • n.

    See Collodion.

  • Crush
  • n.

    A violent collision or compression; a crash; destruction; ruin.

  • Occursion
  • n.

    A meeting; a clash; a collision.

  • Collation
  • v. i.

    To partake of a collation.

  • Brunt
  • v. t.

    The force of a blow; shock; collision.

  • Clap
  • n.

    A loud noise made by sudden collision; a bang.

  • Full-butt
  • adv.

    With direct and violentop position; with sudden collision.

  • Foul
  • n.

    An entanglement; a collision, as in a boat race.

  • Poop
  • v. t.

    To strike in the stern, as by collision.

  • Collision
  • n.

    The act of striking together; a striking together, as of two hard bodies; a violent meeting, as of railroad trains; a clashing.

  • Dash
  • n.

    Violent striking together of two bodies; collision; crash.

  • Afoul
  • adv. & a.

    In collision; entangled.

  • Collation
  • v. t.

    A light repast or luncheon; as, a cold collation; -- first applied to the refreshment on fast days that accompanied the reading of the collation in monasteries.

  • Packing
  • n.

    A trick; collusion.

  • Collision
  • n.

    A state of opposition; antagonism; interference.

  • Collusive
  • a.

    Acting in collusion.