The alpha effect refers to the increased nucleophilicity of an atom due to the presence of an adjacent (alpha) atom with lone pair electrons. This first...
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Negative hyperconjugation in silicon (redirect from Silicon alpha Effect)
Silicon analogs of neopentyl chloride and neopentyl iodide: The alpha silicon effect." doi:10.1021/ja01207a036. ISSN 0002-7863. PMID 21015745. "——— III:...
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Generation Alpha (often shortened to Gen Alpha) is the demographic cohort succeeding Generation Z. Generation Beta is the proposed name of the following...
100 KB (9,943 words) - 09:43, 13 June 2025
Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4...
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Alpha blockers, also known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic...
36 KB (3,197 words) - 22:09, 24 December 2024
Alpha-gal syndrome (AGS), also known as alpha-gal allergy or mammalian meat allergy (MMA), is a type of acquired allergy characterized by a delayed onset...
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Alpha-1 blockers (also called alpha-adrenergic blocking agents or alpha-1 antagonists) constitute a variety of drugs that block the effect of catecholamines...
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Hydrogen-alpha, typically shortened to H-alpha or Hα, is a deep-red visible spectral line of the hydrogen atom with a wavelength of 656.28 nm in air and...
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Alpha-fetoprotein (AFP, α-fetoprotein; also sometimes called alpha-1-fetoprotein, alpha-fetoglobulin, or alpha fetal protein) is a protein that in humans...
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In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or...
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Frame-dragging (redirect from Frame-dragging effect)
Frame-dragging is an effect on spacetime, predicted by Albert Einstein's general theory of relativity, that is due to non-static stationary distributions...
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Moiré pattern (redirect from Moiré effect)
{p^{2}}{\sin ^{2}\alpha }}(1+\cos \alpha )^{2}+p^{2}\\[5pt]&=p^{2}\cdot \left({\frac {(1+\cos \alpha )^{2}}{\sin ^{2}\alpha }}+1\right)\end{aligned}}}...
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platform, but later converted to add gas production. Piper Alpha exploded and collapsed under the effect of sustained gas jet fires in the night between 6 and...
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{\displaystyle \alpha _{0}} is always positive, i.e., the quadratic Stark shift is always negative. The perturbative treatment of the Stark effect has some problems...
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the alpha effect, where nucleophiles with a lone pair of electrons on an atom adjacent to the nucleophilic center have enhanced reactivity. The alpha effect...
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films, including The Butterfly Effect 3: Revelations, Into the Blue 2: The Reef, Love Wrecked, Beauty & the Briefcase and Alpha and Omega. Carmack was born...
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nucleophiles and electrophiles. Nucleophiles displaying the so-called alpha effect are usually omitted in this type of treatment.[citation needed] The first...
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state, since nitrogen has one unpaired electron, which decreases the alpha effect compared with nitrite and creates a weak bonding interaction with the...
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The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation such as ultraviolet light. Electrons emitted...
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Alpha Phi Alpha Fraternity, Inc. (ΑΦΑ) is the oldest intercollegiate historically African American fraternity. It was initially a literary and social...
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Alpha Science. ISBN 1-84265-203-6. OCLC 71825022. Foot, C.J. (2005). Atomic Physics. OUP Oxford. ISBN 0-19-850696-1. OCLC 57478010. Zeeman effect-Control...
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more ionising than gamma rays, but less ionising than alpha particles. The higher the ionising effect, the greater the damage to living tissue, but also...
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Statistical significance (section Effect size)
precisely, a study's defined significance level, denoted by α {\displaystyle \alpha } , is the probability of the study rejecting the null hypothesis, given...
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Alpha Protocol is a 2010 action role-playing game developed by Obsidian Entertainment and published by Sega. The player assumes control of agent Michael...
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Joy's law provides observational support for the operation of the "alpha effect" in solar dynamo action. It is named after Alfred Harrison Joy. Spörer's...
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Brain rot (category Generation Alpha)
term originated within the online cultures of Generation Z and Generation Alpha and has since become mainstream. According to Oxford University Press, the...
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The alpha-2 (α2) adrenergic receptor (or adrenoceptor) is a G protein-coupled receptor (GPCR) associated with the Gi heterotrimeric G-protein. It consists...
25 KB (2,218 words) - 11:41, 9 June 2025
Hops (redirect from Alpha acid unit)
research has shown a sedative effect. The relaxing effect of hops may be due, in part, to the specific degradation product from alpha acids, 2-methyl-3-buten-2-ol...
47 KB (5,055 words) - 09:30, 6 June 2025
In quantum field theory, the Casimir effect (or Casimir force) is a physical force acting on the macroscopic boundaries of a confined space which arises...
64 KB (8,105 words) - 16:13, 17 June 2025
The Gibbs–Donnan effect (also known as the Donnan's effect, Donnan law, Donnan equilibrium, or Gibbs–Donnan equilibrium) is a name for the behaviour of...
10 KB (1,227 words) - 04:52, 28 July 2024