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Topics referred to by the same term
Effective radius may refer to: Cloud drop effective radius, in meteorology Effective earth radius, a topic in radio wave propagation Galaxy effective
Effective_radius
Radius which encloses 50% of the total light of a galaxy
Galaxy effective radius or half-light radius ( R e {\displaystyle R_{e}} ) is the radius at which half of the total light of a galaxy is emitted. This
Galaxy_effective_radius
Radius of a circle or sphere equivalent to a non-circular or non-spherical object
In applied sciences, the equivalent radius (or mean radius) is the radius of a circle or sphere with the same perimeter, area, or volume of a non-circular
Equivalent_radius
Average of size of cloud droplets
The cloud drop effective radius (alternatively cloud effective radius or simply effective radius when in context) is a weighted mean of the size distribution
Cloud_drop_effective_radius
Lyman-break galaxy in the constellation Sextans
objects. MoM-z14 is a remarkably luminous and compact galaxy, with an effective radius of only 241+49 −39 light years, making it about one percent the size
MoM-z14
System of stars and interstellar matter
half-light radius (also known as effective radius; Re) is a measure that is based on the galaxy's overall brightness flux. This is the radius upon which
Galaxy
Electrically neutral group of two or more atoms
is the diatomic hydrogen (H2), with a bond length of 0.74 Å. Effective molecular radius is the size a molecule displays in solution. The table of permselectivity
Molecule
Distance from the Earth surface to a point near its center
ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of about 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly
Earth_radius
Radius of the event horizon of a Schwarzschild black hole
The Schwarzschild radius is a parameter in the Schwarzschild solution to Einstein's field equations that corresponds to the radius of a sphere in flat
Schwarzschild_radius
Method for computing radiation
wavelength as 2 π {\displaystyle 2\pi } , in such a case effective radius is the same as effective size parameter. Each polarizable point (dipole) occupies
Discrete_dipole_approximation
Radius of an atomic ion in crystals
Ionic radius, rion, is the radius of a monatomic ion in an ionic crystal structure. Although neither atoms nor ions have sharp boundaries, they are treated
Ionic_radius
Representation of the slipping behavior of an automobile wheel
the angular velocity of the wheel, R C {\displaystyle R_{C}} is the effective radius of the corresponding free-rolling tire, which can be calculated from
Slip_ratio
Characteristic of electromagnetic radiation
waves down towards the surface of the Earth. This results in an effective Earth radius, increased by a factor around 4⁄3. This k-factor can change from
Line-of-sight_propagation
Parameter of solute diffusion
Stokes radius is sometimes used synonymously with effective hydrated radius in solution. Hydrodynamic radius, RH, can refer to the Stokes radius of a polymer
Stokes_radius
Calculated property of a star or planet
where R is the stellar radius. The definition of the stellar radius is obviously not straightforward. More rigorously the effective temperature corresponds
Effective_temperature
Galaxy in the constellation Leo
r-band, and 1.6×1012 L☉ in 2MASS K-band. Half the stars orbit within an effective radius of 15 kpc, and their central velocity dispersion is about 285 km s−1
Abell_1201_BCG
Turkish multiple launch rocket system
TR-122: It has a warhead effective radius of ≥ 20 m, warhead weight of 18.4 kg. TRB-122: It has a warhead effective radius of ≥ 40 m, warhead weight
T-122_Sakarya
Mass of water within a cloud
linked to three other cloud microphysical variables: the cloud drop effective radius, the cloud drop number concentration, and the cloud drop size distribution
Liquid_water_content
Rocket artillery
effective radius: ≥ 80 m Accuracy: 10 m CEP Range: 30–120 km (19–75 mi) Weight: 585 kg (1,290 lb) Warhead weight: 105 kg (231 lb) Warhead effective radius:
TRG-300_Tiger
Apparent curve that separates earth from sky
frequencies between 1 and 100 GHz) the radius of the Earth may be multiplied by 4/3 to obtain an effective radius giving a factor of 4.12 in the metric
Horizon
20 mm Gatling-type rotary cannon
higher speeds of jet-powered fighter aircraft meant that achieving an effective number of hits would be extremely difficult without a much higher volume
M61_Vulcan
20 mm Gatling-type rotary cannon
(RDX/wax/Al) and 1.5 g incendiary 1030 Nose fuzed round, no tracer. Effective radius for causing casualties to exposed personnel is 2 meters with fragmentation
M197_electric_cannon
German submunition delivery system
functions. When triggered, the mine scatters 2,100 steel pellets to an effective radius of 100 meters. The MUSA mine has a simple delay fuse which triggers
MW-1
Small explosive weapon that typically is thrown by hand
grenades are usually classed as offensive weapons because the effective casualty radius (the distance from an explosion or weapon's impact where individuals
Grenade
Measure of the size of an atom
atomic radius. Five widely used definitions of atomic radius are covalent radius, Van der Waals radius, charge radius, ionic radius, and metallic radius. Typically
Atomic_radius
fuze, produces lethal fragments at short range (lethal radius ~5 m, casualty/effective radius ≈15 m); used for anti‑personnel suppression and clearing;
List of equipment of the United States Army
List_of_equipment_of_the_United_States_Army
Set of bivariate correlations among galaxies
fundamental plane is usually expressed as a relationship between the effective radius, average surface brightness and central velocity dispersion of normal
Fundamental plane (elliptical galaxies)
Fundamental_plane_(elliptical_galaxies)
Measure of neutron interaction likelihood
the effective radius of the neutron, we can estimate the area of the circle σ {\displaystyle \sigma } in which neutrons hit the nuclei of effective radius
Neutron_cross_section
Equation for Gibbs free energy of solvation
elementary charge, 1.6022×10−19 C ε0 = permittivity of free space r0 = effective radius of ion εr = dielectric constant of the solvent The energy U stored
Born_equation
Simple potential between quarks
_{s}}{\;r\;}}+\sigma \,r+{\text{constant}}} where r {\displaystyle r} is the effective radius of the quarkonium state, α s {\displaystyle \alpha _{s}} is the QCD
Cornell_potential
Dwarf elliptical galaxy in the constellation Andromeda
Half the stars are concentrated within the inner core, which has an effective radius of 330 light-years (100 pc). Densities in the central stellar cusp
Messier_32
Ray tracing technique
resonator consists of two identical facing mirrors of 100% reflectivity and radius of curvature R, separated by some distance d. For the purposes of ray tracing
Ray_transfer_matrix_analysis
Explosive device utilizing a tube of long welded metal cylinders
multiple layers of rods are employed in practical weapons to increase the effective radius. When designing the ill-fated SAM-equipped Mauler, Monte Carlo simulations
Continuous-rod_warhead
Methods of communication for controlling artillery
left 150, out." Assuming the FO's spotting round lands within the effective radius of the munitions, the FO would then send the command: "Fire for effect
Fire_discipline
Comparison of a wide range of lengths
[citation needed] 2 zm – radius of effective cross section for a 20 GeV neutrino scattering off a nucleon 7 zm – radius of effective cross section for a 250
Orders_of_magnitude_(length)
Can every bounded subset of Rn be partitioned into (n+1) smaller diameter sets?
question, a body K {\displaystyle K} of constant width is said to have effective radius r {\displaystyle r} if Vol ( K ) = r n Vol ( B n ) {\displaystyle
Borsuk's_conjecture
Expression of force profile interaction between finite size bodies
planar walls and Reff the effective radius. When the two bodies are two spheres of radii R1 and R2, respectively, the effective radius is given by R e f f −
Derjaguin_approximation
calculating the radius: AD: radius calculated from angular diameter and distance L/Teff: radius calculated from bolometric luminosity and effective temperature
List_of_largest_stars
UK naval bases in Ireland, 1922–1938
and have to work from Lamlash, we should strike 200 miles from the effective radius of our flotillas, out and home; and if we are denied Berehaven and
Treaty_Ports_(Ireland)
Anti-personnel hand grenade
estimated at 30–45 m (98–148 ft). The radius of the fragment dispersion is up to 200 m (660 ft) (effective radius is about 30 m (98 ft),). Hence, the grenade
F-1_grenade_(Russia)
Elliptical galaxy in the constellation Leo
kilometers per seconds. The effective surface brightness is 18.61 ± 0.34 magnitudes per square arcsecond while its effective radius is 11.1 ± 3.0 kiloparsec
SDSS_J112155.27+104923.2
Mechanical drive
varying their separation, the effective radius of one disk varies, thus changing the overall gear ratio. This varying-radius principle is shared by a number
Beier_variable-ratio_gear
Pattern of neurons on the retina
each cell as a single point and using spatial statistics such as the Effective Radius, Packing Factor and Regularity Index. Using adaptive optics, it is
Retinal_mosaic
Proposed type of star cluster
RAMBOs were proposed by Moore and Silk in 1995. They may have an effective radius between 1 and 15 parsecs, with masses in the range 10–100,000 M☉. The
Robust associations of massive baryonic objects
Robust_associations_of_massive_baryonic_objects
Hand grenade
original Stielhandgranate 15 relied on its blast effect, which had an effective radius of 15 m (16 yd) on open field. The warhead was made of a thin sheet
Stielhandgranate
Soviet anti-personnel mine
fragmentation jacket produces an uneven fragmentation effect. The effective radius of the mine is often quoted as four meters at 360 degrees, but a small
POMZ
Galaxy in the constellation Virgo
similar in size distribution to those of the Milky Way, most having an effective radius of 1 to 6 parsecs. The size of the M87 clusters gradually increases
Messier_87
Unit of measurement
A solar radius is a unit of distance, commonly understood as 695,700 km and expressed as R ⊙ {\displaystyle R_{\odot }} , used mostly to express the size
Solar_radius
Non-periodic comet
small object. Infrared and visual photometry indicate that it has an effective radius of approximately 0.37 ± 0.05 km (0.230 ± 0.031 mi). The radio spectrum
C/1983 J1 (Sugano–Saigusa–Fujikawa)
C/1983_J1_(Sugano–Saigusa–Fujikawa)
Italian heavy fighter prototype
tanks, or 1,500 km (930 mi) with 500 kg (1,100 lb) bombload (with an effective radius of 750 km (465 mi)). Savoia-Marchetti would design the SM.91 and the
Savoia-Marchetti_SM.88
Galaxy in the constellation Centaurus
that is commonly used in the astronomical literature is the galaxy effective radius where 50% of the total galaxy's light was emitted; variations of 60%
ESO_383-76
Star system in the constellation Taurus
shape. Its effective radius is almost ten times that of the Sun, but the actual radius is lesser at poles and greater at the equator. Its effective temperature
Alcyone_(star)
Galaxy in the constellation Virgo
galaxy (sampling stars excluding the diffuse halo) yield an effective radius (the radius within which half the light is emitted) of 65 ± 12 kpc (212 ± 39 thousand ly)
IC_1101
Ability of charged particles to move through a medium in response to an electric field
also inversely proportional to the Stokes radius a {\displaystyle a} of the ion, which is the effective radius of the moving ion including any molecules
Electrical_mobility
Concept in astrodynamics
}^{2}}{\mu }}\right)^{2}}}-1\right)} So if a comet approaching Earth (effective radius ~6400 km) with a velocity of 12.5 km/s (the approximate minimum approach
Hyperbolic_trajectory
Feldspar mineral series
versus +1 for a sodium ion, the two ions have very nearly the same effective radius. The difference in charge is accommodated by the coupled substitution
Plagioclase
Gun-howitzer
fragmentation shells, which have a muzzle velocity of about 650 m/s and an effective radius of 50–150 meters. The Soviet-made 152 mm D-20 howitzer (152 H 55) uses
152_H_88
Motion of charged particles
cyclotron frequency or gyrofrequency and a radius referred to as the cyclotron radius, gyroradius, or Larmor radius. For a particle with charge q {\displaystyle
Cyclotron_motion
Specific recurring patterns that are present in the modern periodic table
the effective nuclear charge. The increase in attractive forces reduces the atomic radius of elements. When we move down the group, the atomic radius increases
Periodic_trends
Frame-dependent apparent force in Physics
centrifuge. It is the standard specification of a centrifuge to use the "effective" radius of the centrifuge to estimate its ability to provide centrifugal force
Fictitious_force
Motion between surfaces
tire's angular velocity at the hub, r e {\displaystyle r_{e}} is the effective radius from the hub to the center of the contact patch, and v x {\displaystyle
Slip_(vehicle_dynamics)
Spherical or ovoid mass of stars
project – III. A census of the stellar angular momentum within the effective radius of early-type galaxies: unveiling the distribution of fast and slow
Elliptical_galaxy
difference between the total volume and the solid volume. Typically, the effective radius of the pore body or neck is used to define the size of pores. The position
Pore_structure
Mechanical power transmission by friction between components
normal operation because local deformation of the surface changes the effective radius of the part. Thus they cannot be used for precise rotational positioning
Friction_drive
Elliptical galaxy in the constellation Virgo
constant 9.5 in the V (visual) band of the UBV system. The galaxy has an effective radius of 128″ (translating, at its distance, to about 10 kpc), with an estimated
Messier_60
Lyman-break galaxy in the constellation Aquarius
classified as an anomalously bright galaxy in the ultraviolet, with an effective radius of just 233±10 parsecs, or 760±33 light-years. The galaxy's absolute
PAN-z14-1
Galaxy in the constellation Leo
are orbiting within an effective radius of 14.2±2.0 kpc. In contrast, the stellar component of the galaxy has an effective radius of 4.2±1 kpc. Orbital
NGC_3607
Way of transmitting mechanical power
conventional roller chain drives suffer the potential for vibration, as the effective radius of action in a chain and sprocket combination constantly changes during
Chain_drive
Evaluation of how much water can be pumped from a water well
281–442. Academic Press. Jacob, C.E., 1947. Drawdown test to determine effective radius of artesian well. Transactions, American Society of Civil Engineers
Well_test
Galaxy in the constellation Fornax
with effective radius under 3 pc, the diffuse star clusters, with effective radius circa 5 pc, and the faint fuzzy clusters, with effective radius over
NGC_1380
120mm mortar cluster bomb
and scattering 650 steel fragments out to a lethal radius of around 6 meters, and an effective radius of 18 meters. Within the impact area, the probability
MAT-120
Study of the deformation of solids that touch each other
circle of radius a {\displaystyle a} . The equations are the same as for a sphere in contact with a half plane except that the effective radius R {\displaystyle
Contact_mechanics
Kreutz sungrazer comet
the Great Comet of 1843 possibly was about 24.75 km (15.38 mi) in effective radius, with a mass of approximately 7.30×1017 kg before it disintegrated
Great_Comet_of_1843
Periodic comet
Infrared Telescope Facility in 2004, finding that the nucleus has an effective radius of 6.0±0.8 km, which corresponds to a visual albedo of 0.034±0.014
162P/Siding_Spring
1916–1918 uprising against the Ottoman Turks
based his force at Wejh. Camel-mounted Arab raiding parties had an effective radius of 1,000 miles (1,600 km), carrying their own food and taking water
Arab_Revolt
Galaxy in the constellation Coma Berenices
massive galaxy out to the radius of 100 Mpc (326 million light years) of the Milky Way. The galaxy has an effective radius which extends at 2.9 arcminutes
NGC_4889
Periodic comet
effective radius of 1.54 ± 0.09 km (0.957 ± 0.056 mi). However, near-infrared observations from the Spitzer Space Telescope found a smaller effective
260P/McNaught
Yugoslavian anti-personnel stake mine
PMR-1 and PMR-2 stake mines, having a larger main charge and a greater effective radius. Two versions of the mine were built, an 'old' version and a 'new'
PMR-3_mine
Conventional roller chain-drives suffer the potential for vibration, as the effective radius of action in a chain and sprocket combination constantly changes during
Motorcycle_components
Scalar measure of the rotational inertia with respect to a fixed axis of rotation
distribution of its mass. In general, given an object of mass m, an effective radius k can be defined, dependent on a particular axis of rotation, with
Moment_of_inertia
of 20–200 meters and weighs 600 kg. The Mao-4 has an effective radius of 20 meters and effective life of 2 years. The original mine was upgraded to Moored-4-I
Mao-4_moored_mine
Measurement in atomic physics
In atomic physics, the effective nuclear charge of an electron in a multi-electron atom or ion is the number of elementary charges ( e {\displaystyle
Effective_nuclear_charge
String or line intended for angling
the (usually metallic and well polished) spool surface, increase the effective radius of the spooled line and hence the retrieval speed (i.e. inches per
Fishing_line
Argentine anti-personnel device, first produced in 1978
fragmentation liner, which when it detonates scatters fragments to an effective radius of 10 meters. Height: 172 mm (with fuse) Diameter: 70 mm Weight: 0
BPM-1
Plastic cased Italian anti-personnel stake mine
fragmentation liner, which when it detonates scatters fragments to an effective radius of 15 meters. The mine has been sold to Iraq (1980), Iran (1984) and
P-25_mine
mine is normally mounted on a small three pronged stake and has an effective radius of around 10 meters. The mine is found in Cambodia and Vietnam. Diameter:
P-40_APPLE_mine
Active main belt asteroid
the 2:1 mean-motion resonance with Jupiter at 3.148 AU. 2000 SY178's effective radius, when calculated from its absolute magnitude and geometric albedo,
(62412)_2000_SY178
Structure used to support an overhead power line
provides several benefits for the line. Bundling conductors increases the effective radius of the phase wire, decreasing the lines inductance and increasing its
Transmission_tower
Deviation of light as it moves through the atmosphere
increased effective radius of the Earth Reff, given by R eff = R 1 − k , {\displaystyle R_{\text{eff}}={\frac {R}{1-k}},} where R is the radius of the Earth
Atmospheric_refraction
Large self-illuminated object in space
core and by its radius, and is often estimated from the star's color index. The temperature is normally given in terms of an effective temperature, which
Star
Galaxy morphological classification scheme advocated by Edwin Hubble
project - III. A census of the stellar angular momentum within the effective radius of early-type galaxies: unveiling the distribution of fast and slow
Hubble_sequence
Reaction that combines atomic nuclei
increased compared to the classical picture, thanks to the smearing of the effective radius as the de Broglie wavelength as well as quantum tunneling through the
Nuclear_fusion
Type of topological solutions in non-linear sigma models
it determines the effective radius of the soliton. As a model of the nucleon, it is normally adjusted so as to give the correct radius for the proton; once
Skyrmion
Galaxy in the constellation Virgo
galaxy, discovered in 2009, with an absolute magnitude of −12.3, an effective radius of just 47.9 ly (3.03 million astronomical units), and a mass of 3
Sombrero_Galaxy
Sensor designed to detect flame or fire
detector and the distance, D, between the detector and a flame of effective radius, R, emitting energy density, M, is given by E = 2πMR2/(R2+D2) When
Flame_detector
Meson whose constituents are a quark and its own antiquark of the same flavor
{\displaystyle V(r)=-{\frac {a}{r}}+b\,r,} where r {\displaystyle r} is the effective radius of the quarkonium state, a {\displaystyle a} and b {\displaystyle b}
Quarkonium
Elliptical galaxy in the constellation Hercules
galaxy is categorized as a "core" early-type galaxy with a galaxy effective radius of 4.49 parsecs and has an ellipticity of 0.171 ± 0.013. The dynamical
J171328.4+274336.6
Periodic comet
and June a dust tail was observed. The nucleus of the comet has an effective radius of 0.55±0.05 km. The source of activity is water ice sublimation from
324P/La_Sagra
Measure of solvency/solution
decreasing ionic radius shows decreasing conductivity suggesting that the effective radius of the hydrated ion increases as ionic radius decreases (larger
Hydration_number
Major updates in Tom Clancy's Rainbow Six Siege
attacker movement and alerts defenders to their position when within its effective radius. 3 Operation Shadow Legacy 10 September 2020 Zero None The attacker
List of Tom Clancy's Rainbow Six Siege downloadable content
List_of_Tom_Clancy's_Rainbow_Six_Siege_downloadable_content
EFFECTIVE RADIUS
EFFECTIVE RADIUS
Boy/Male
Hindu
Form of God, Effective
Girl/Female
African, American, Australian, British, Chinese, English, Finnish
Sweetly Singing; Honor Confers a Crown; Princess; Beam; Ray; Sparkle; Radius; Ray of Light
Boy/Male
Indian, Punjabi, Sikh
One who is Aware and Reflective
Boy/Male
Indian, Punjabi, Sikh, Tamil, Telugu
Light of King; Effective King; Light of Day
Boy/Male
Hindu, Indian, Marathi
Effective; Powerful
Surname or Lastname
English
English : topographic name for a man who lived by an enclosure, from Middle English hay (see Hay 1) + man. The term was in many cases effectively a synonym for Hayward.English : nickname for a tall man (see Hay 2).English : occupational name for the servant of someone called Hai (see Hay 3), with man in the sense ‘servant’.English : occupational name for someone who sold hay.Jewish : variant of Heiman.Possibly an Americanized spelling of German Hamann or Heumann.
Boy/Male
Hindu, Indian
Effective
Girl/Female
Hindu, Indian, Sanskrit
Radius; Limits
Boy/Male
Indian, Sanskrit
Not Defective; Healthy; Whole
Boy/Male
Arabic, Indian, Muslim, Sindhi
Doer; Work Man; Worker; Effective
Girl/Female
Sikh
Form of God, Effective
Girl/Female
Hindu, Indian, Marathi, Sanskrit
Effective; Efficient; Goddess Durga
Boy/Male
Indian, Sanskrit
The Spring Season; Effecting Wishes
Boy/Male
Anglo, Australian, Hindu, Indian, Kurdish, Punjabi, Sikh
Pain; Effective
Boy/Male
Arabic, Muslim
One who Desires Another to do Something Effectively
Boy/Male
Muslim Hindi
Worker. Effective.
Boy/Male
Tamil
Form of God, Effective
Boy/Male
Muslim
Worker. Effective.
EFFECTIVE RADIUS
EFFECTIVE RADIUS
Boy/Male
Anglo, British, English
Guardian of the Hall
Boy/Male
Afghan, African, Arabic, Hindu, Indian, Muslim, Pashtun, Sindhi
Comfort; Ease; Tranquil; Benevolent; Blessings
Surname or Lastname
English
English : variant spelling of Hamlett.
Boy/Male
Biblical
Face or vision of God.
Female
Native American
Native American Indian name ALAMEDA means "grove of cottonwood."
Boy/Male
Hindu
Blessing of Saibaba
Girl/Female
Hebrew
Healer.
Girl/Female
Indian
Full of grace, Flower
Girl/Female
Hebrew American
Graceful.
Girl/Female
Hindu, Indian, Telugu
Love; Welcome
EFFECTIVE RADIUS
EFFECTIVE RADIUS
EFFECTIVE RADIUS
EFFECTIVE RADIUS
EFFECTIVE RADIUS
n.
Specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe.
a.
Lacking some of the usual forms of declension or conjugation; as, a defective noun or verb.
a.
Throwing back images; as, a reflective mirror.
a.
Not effective; ineffectual; futile; inefficient; useless; as, an ineffective appeal.
a.
Exerting the power of choice; selecting; as, an elective act.
a.
Not effective.
n.
One who is capable of active service.
n.
That which produces a given effect; a cause.
adv.
Effectively.
a.
Effective.
a.
Dependent on choice; bestowed or passing by election; as, an elective study; an elective office.
a.
Wanting in something; incomplete; lacking a part; deficient; imperfect; faulty; -- applied either to natural or moral qualities; as, a defective limb; defective timber; a defective copy or account; a defective character; defective rules.
n.
The quality of being effective.
a.
Capable of exercising thought or judgment; as, reflective reason.
n.
Direct, forcible, and effective speaking.
a.
Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment.
superl.
Vigorous; effective; forcible; powerful.
a.
Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workmen; an inefficient administrator.
a.
Addicted to introspective or meditative habits; as, a reflective person.
a.
Effective, as a cause or agent; causing.