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beta particle
beta particle
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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be·ta par·ti·cle
(also beta ray)
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n. Physics
a fast-moving electron emitted in radioactive decay.
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Unraveling the details of beta decay. (beta particles)
Magazine article from: Science News; 1/11/1992; 671 words
; ...radioactive atoms decay by emitting beta particles, or electrons, thereby transforming...each atomic isotope, these beta particles emerge from nuclei with a characteristic...slightly distort a low-energy beta-particle spectrum. The existence of this...
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Radionuclides linked to a CD74 antibody as therapeutic agents for B-cell lymphoma: Comparison of auger electron emitters with (beta)-particle emitters
Magazine article from: The Journal of Nuclear Medicine; 12/1/2000; ; 700+ words
; ...125^I, and to evaluate beta-particle emitters, ^sup...evaluated. Results: The beta-particle emitters had considerably...Auger electron and beta-particle emitters can produce specific...over high-energy beta-particle emitters, such as ^sup 131...high energy of the ...
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Cellular Effects of beta-Particle Delivery on Vascular Smooth Muscle Cells and Endothelial Cells - A Dose-Response Study.
Newspaper article from: Gene Therapy Weekly; 4/26/1999; 605 words
; ...Leclerc, G. "Cellular Effects of beta-Particle Delivery on Vascular Smooth Muscle...exact cellular alterations induced by beta irradiation remain to be elucidated...phenotype and morphological features. beta radiation significantly reduced proliferation...
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Discussion of "On the Role of [beta] Particles in Stress Corrosion Cracking of Mg-Al Alloys"*
Magazine article from: Metallurgical and Materials Transactions; 7/1/2009; ; 700+ words
; ...and Cross on the role of β particles in stress corrosion cracking of Mg...many of the features of β particles (Mg^sub 17^Al^sub 12^) in...crack along the center of the growing particle. Transverse branching cracks appear...mold by liquid metal. The β particles in Mg-Al alloys ...
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Effect of the Size Distribution of Alpha Particles on Microstructure Evolution during Heat Treatment of an Alpha/Beta Titanium Alloy
Magazine article from: Metallurgical and Materials Transactions; 1/1/2005; ; 700+ words
; ...distribution of alpha particles in Ti-6Al-4V during...cooldown following alpha/beta solution treatment...either a distribution of particle sizes or a uniform particle size (equal to the...fraction and average particle size. The simulations...rates of small and large particles. ...
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 "The Economist (US)")
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Radioactive disputes; Particle physics.(The significance of neutrinoless double beta decay)(Brief Article)
Magazine article from: The Economist (US); 2/16/2002; 700+ words
; ...instance of neutrinoless double beta decay. That might not sound...knowledge and wisdom about particle physics. In normal beta decay, one of the neutrons...prompting the emission of two particles: an electron and an anti...change of lepton number in beta decay is +1-1, in other...
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California Inventors Develop Pre-Beta High Density Lipoprotein-Like Particle Formation Stimulating Method
News Wire article from: US Fed News Service, Including US State News; 1/30/2007; 504 words
; ...Mohamad Navab of Los Angeles, have developed a method of stimulating the formation and cycling of pre-beta high density lipoprotein-like particles in a mammal. According to the U.S. Patent & Trademark Office: "This invention provides...
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Beta-lactamase export does not depend on signal recognition particle.
Newspaper article from: Drug Week; 8/8/2003; 700+ words
; ...NewsRx.net) -- Bacterial beta-lactamase export does not depend on signal recognition particles. According to recent research...bacterial signal recognition particle (SRP) and its receptor...Chemistry. "In particular, beta-lactamase, a hydrolytic...responsible for cleavage of the beta-lactam ...
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Generation of Retroviral Particles that Express Human [beta]-Globin and DHFR as a Selectable Marker.(dihydrofolate reductase)(Brief Article)
Magazine article from: Bulletin of the South Carolina Academy of Science; 1/1/2001; ; 700+ words
; ...mutation within the human [beta]-globin gene resulting in...cell lines from which viral particles can be harvested. While it...This vector contains a human [beta]-globin gene whose expression...marker. Here we show that this [beta]-globin/DHFR vector can...
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Structural Features of a Hyperthermostable Endo-[beta]-1,3-glucanase in Solution and Adsorbed on "Invisible" Particles
Magazine article from: Biophysical Journal; 1/1/2005; ; 700+ words
; ...adsorption behavior of endo-[beta]-1,3-glucanase from the...Teflon and hydrophilic silica particles were specially designed so that...2001). LamA is an endo-[beta]-1,3-glucanase from the...selectively attacks 1,3-[beta]-glucosyl bonds (Gueguen...
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beta particle
Book article from: The Columbia Encyclopedia, Sixth Edition
beta particle one of the three types...Unlike alpha and gamma particles, whose energy can be...before and after emission, beta particles emerge with a variable...that a second undetected particle, the neutrino , is emitted...
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beta
Book article from: The Oxford Pocket Dictionary of Current English
...x220E; ( Beta ) [followed by Latin genitive] the second (usually second-brightest) star in a constellation: Beta Virginis. ∎ [as adj. ] relating to beta decay or beta particles: beta emitters.
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alpha particles
Book article from: World Encyclopedia
alpha particles ( alpha rays ) Stable, positively charged particle emitted spontaneously from the nuclei of certain...Their penetrating power is low compared with that of beta particles (electrons) but they cause intense ionization along...
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beta decay
Book article from: A Dictionary of Astronomy
beta decay Radioactive decay in which an atomic nucleus...into a daughter nucleus, releasing two subatomic particles. Either a neutron turns into a proton, releasing...The electrons or positrons emitted are known as beta particles .
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Radioactivity
Encyclopedia entry from: UXL Encyclopedia of Science
...After emission of the alpha particle, the remaining nucleus contains...atom. By emitting an alpha particle, the radium-226 atom has...of radon. The emission of beta particles from nuclei was a source of...scientists for many years. A beta particle is an electron. The problem...
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