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CBR

Definitions

  • WordNet 3.6
    • n CBR (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin
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Usage


In news:

Jones Company CBR Files for Chapter 11 Bankruptcy.
Ethan Van Sciver to draw 'Batman: The Dark Knight,' CBR reports.
CBR Files Restraining Order against Owner Chuck Jones.
New Chicago hospital prepared for pandemic, CBR terror threat.
Tuff Hedeman returns to his home town of El Paso, Texas for the Casa Ford CBR West Texas Shootout Presented by Sunland Park Racetrack and Casino.
On Monday, the Centers for Medicare and Medicaid Services (CMS) will release a follow-up Comparative Billing Report (CBR) to the 5,000 independent physical therapy providers who received the report in 2010.
The CBR shows KX modifier use for 5 codes commonly billed by physical therapists.
00 pm a call went out over the Sevier County Sheriff's radio in the Seymour area, to be on the lookout for a yellow and black CBR Suzuki motorcycle reportedly speeding at least 100 miles per hour in the area of Floyds Market.
Cases as used in case-based reasoning (CBR) typically record experts' steps of reasoning and action, but not the arguments an expert may consider during the problem-solving.
Knowledge that can improve the quality of performance of CBR is therefore lost.
It's no surprise that giga-sized bowriders, like this Formula 350 CBR, are becoming all the rage.
Ciber Inc (NYSE: CBR), a Greenwood, Colo.-based provider of information technology solutions and staffing, hired Michael Casullo as its new senior vice president and chief information officer.
Elaine Quigley, Realtor, CBR, CRS, GRI, Prudential Prime Properties 508-366-3766.
New Chicago hospital prepared for pandemic, CBR terror threat.
Following successful special tracks on case-based reasoning (CBR) at FLAIRS over the past six years, we invited papers for the Eighth Special Track on CBR at the Twenty-first International FLAIRS Conference.
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In science:

The Gaussianity can be tested through the existing COBE and the forthcoming South Pole and Balloon CBR anisotropy data by three point temperature correlation function.
Testing for Gaussianity Through the Three Point Temperature Correlation Function
The signal to noise ratio of the COBE data is 1:1 and this is typical in all current CBR temperature anisotropy experiments.
Testing for Gaussianity Through the Three Point Temperature Correlation Function
CBR, even if the noise term is comparable to the signal.
Testing for Gaussianity Through the Three Point Temperature Correlation Function
The level of CBR anisotropy in τ CDM and LHC CDM on the 0.5◦ scale is about 50% larger than the other models, which should be easily discernible.
Inflation: From Theory to Observation and Back
Many more CBR measurements are in progress and there should many interesting results in the next few years.
Inflation: From Theory to Observation and Back
Figure 2: Comparison of the cold dark matter perturbation spectrum with CBR anisotropy measurements (boxes) and the distribution of galaxies today (triangles).
Inflation: From Theory to Observation and Back
Some theoretical models of CBR structure now quote a Hubble parameter of order 30 km s−1 Mpc−1, so this lower bound, though weak, is perhaps not totally lacking in interest.
General Relativistic Energy Conditions: The Hubble expansion in the epoch of galaxy formation
The success of primordial nucleosynthesis calculations (“Big-bang nucleosynthesis”) requires a cosmic background radiation (CBR) characterized by a temperature kT ∼ 1 MeV at a redshift of z ≃ 109 .
The Cosmic Microwave Background Spectrum
Compton scattering (γ e → γ ′ e′ ) of the CBR photons by a hot electron gas creates spectral distortions by transferring energy from the electrons to the photons.
The Cosmic Microwave Background Spectrum
In the early universe the CBR (cosmic background radiation) which is the cosmologically redshifted present day CMB radiation dominated over the matter energy density and thus was critical to the development of the Universe.
The Cosmic Microwave Background Spectrum
In addition most cosmological models and calculations, such as Big Bang Nucleosynthesis, are done in terms of the CBR temperature or density.
The Cosmic Microwave Background Spectrum
In particular matter density is usually expressed in terms of the ratio either to the critical density or to the CBR density. E.g.
The Cosmic Microwave Background Spectrum
There is also the effect of the CBR/CMB on high energy cosmic rays which depends primarily on the energy density and less so on the spectrum.
The Cosmic Microwave Background Spectrum
Primordial nucleosynthesis calculations require a cosmic background radiation (CBR) with a temperature kT ∼ 1 MeV at a redshift of z ∼ 109 .
The Cosmic Microwave Background Anisotropy Experiments
The hot big bang model predicts that the CBR should have a thermal spectrum and this is verified precisely.
The Cosmic Microwave Background Anisotropy Experiments
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