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sciences naturelles et appliquées - iate.europa.eu
Nonsingular positon solutions of a variable-coefficient modified kdv equation... Additionally, the nonsingular positon solutions of the variable-coefficient modified KdV equation are firstly discovered analytically and graphically
général - core.ac.uk - PDF: www.scirp.org
Generating mechanism and dynamic of the smooth positons for the derivative nonlinear schr\"odinger equationBased on the degenerate Darboux transformation, the $n$-order smooth positonsolutions for the derivative nonlinear Schr\"{o}dinger equation are generatedby means of the general determinant expression of the $N$-soliton solution, andinteresting ...
 PDF: arxiv.org
Negaton and positon solutions of the soliton equation with self-consistent sources... By taking the special $t$-function, we obtain multisoliton,multipositon, multinegaton, multisoliton-positon, multinegaton-positon andmultisoliton-negaton solutions of KdVES....
 PDF: arxiv.org
Nonsingular positon and complexiton solutions for the coupled kdv system... Additionally, the analytical and nonsingular positon-negaton interaction solutions are also firstly found for S-integrable model....
Nonsingular positon and complexiton solutions for the coupled kdv system... Additionally, the analytical and nonsingular positon-negatoninteraction solutions are also firstly found for S-integrable model....
 PDF: arxiv.org
électron positif
sciences naturelles et appliquées - iate.europa.eu
Anderson le caractérisait comme un « électron positif » - ou positron.

Anderson described it as a “positive electron” or positron.

général - CCMatrix (Wikipedia + CommonCrawl)
Anderson le caractérisait comme un « électron positif » – ou positron.

Anderson described it as a “positive electron” or positron.

général - CCMatrix (Wikipedia + CommonCrawl)
Un atome d’antihydrogène est constitué d’un proton négatif (antiproton) et d’un électron positif (positron).

An atom of antihydrogen consists of an antiproton and a positron (an antielectron).

général - CCMatrix (Wikipedia + CommonCrawl)
La découverte de la radioactivité artificielle
...radioactif du phosphore : ainsi, il n’y avait pas que les éléments lourds susceptibles d’être radioactifs), accompagnée par la découverte de la radioactivité ϐ+ (émission d’un électron positif par l’élément radioactif non naturel)....
... Radioactive tracers, made from radioactive elements with short lives (thus prepared in the hospital), become attached to the studied bodies and emit gamma radiation (the annihilation of an electron and positron) which is captured by scintigraphy
recherche et propriété intellectuelle - core.ac.uk -
Cyclotron production of short-lived radionuclides and labelled compounds for use in biomedical research and clinical diagnosis... More recently, I have created an automated bedside infuser of H(_2)(^15)O, which has revolutionised measurements of regional cerebral blood flow using the technique of Positron Emission Tomography for in vivo regional mapping of brain activity
sciences naturelles et appliquées / santé / industries nucléaire et électrique - core.ac.uk - PDF: core.ac.uk
Development of computational small animal models and their applications in preclinical imaging and therapy research... Since the early 1990s, over 120 realistic computational animal models have been reported in the literature and used as surrogates to characterize the anatomy of actual animals for the simulation of preclinical studies involving the use of bioluminescence tomography, fluorescence molecular tomography, positron emission tomography, single-photon emission computed tomography, microcomputed tomography, magnetic resonance imaging, and optical imaging....
A combined tms/fmri study of intensity-dependent tms over motor cortex... Previous imaging work has been done with fluorodeoxyglucose (FDG) (George et al 1995; Kimbrell et al 1997) and oxygen (O15) positron emission tomography (PET) (Paus et al 1997; Paus et al 1998), perfusion single photon emission computed tomography (SPECT) (Stallings et al 1997; Nahas et al
Scintigraphy in the follow-up of differentiated... Positron emission tomography using [IXF]FDG in malignant lymphoma: a comparison with proliferative activity....
électron positif
sciences naturelles et appliquées - iate.europa.eu
Nous avons dit que, pour une même charge, la masse totale d’un électron positif est beaucoup plus grande que celle d’un électron négatif.

We have said that, for the same charge, the total mass of a positive electron is much greater than that of a negative.

général - CCMatrix (Wikipedia + CommonCrawl)
Cela correspond à une production d’un million de volts d’énergie photonique par électron positif.

This corresponds to a production of one million volts of photonic energy per positive electron.

général - CCMatrix (Wikipedia + CommonCrawl)
Cela correspond à une production d'un million de volts d'énergie photonique par électron positif.

This corresponds to a production of one million volts of photonic energy per positive electron.

général - CCMatrix (Wikipedia + CommonCrawl)
Si un neutron se transforme en un proton, il y a émission d'un électron négatif, si c'est un proton qui se transforme en un neutron, un électron positif est émis.

If a neutron becomes a proton, there is an emission of a negative electron and if it is the proton that becomes a neutron, a positive electron is emitted.

général - CCMatrix (Wikipedia + CommonCrawl)
On estime que chaque fois qu’un électron positif est absorbé en pénétrant dans le platine, il produit deux photons d’un demi-million de volts chacun.

It is estimated that each time a positive electron is absorbed while penetrating platinum, it produces two photons of half of a million volts each.

général - CCMatrix (Wikipedia + CommonCrawl)
Structural and functional studies of h. seropedicae reca protein – insights into the polymerization of reca protein as nucleoprotein filament - fig 5... (B) Refinement with ATP at 39% occupancy; the positive electron density over the corresponding ADP moiety indicates that it should be at full occupancy....
général - core.ac.uk - PDF: figshare.com
Where can negative protons be found?... A hydrogen atom in such regions would be built up of a negative proton and a positive electron
Solvent mediated superexchange in a c-clamp shaped donor-bridge-acceptor molecule: the correlation between solvent electron affinity and electronic coupling... The electronic coupling between the electron donor and acceptor groups is enhanced in solvents with more positive electron affinity....
Negative ion-atmospheric pressure photoionization-mass spectrometry... The compounds possessed either gas-phase acidity or positive electron affinity, whereas the solvent systems had different polarities and gas-phase acidities and some of them positive electron affinities....
Negative ion-atmospheric pressure photoionization-mass spectrometry ... The compounds possessed either gas-phase acidity or positive electron affinity, whereas the solvent systems had different polarities and gas-phase acidities and some of them positive electron affinities....
électron positif
sciences - techdico
Optimization of positron capture in nlc *In the Next Linear Collider design [1], the positron capture system includes a positron production target, followed by a short solenoid with a strong magnetic field (flux concentrator), a 250 MeV linac with solenoidal focusing,...
général - core.ac.uk - PDF: citeseerx.ist.psu.edu
Mechanisms of positron annihilation on moleculesThe aim of this work is to identify the mechanisms responsible for very largerates and other peculiarities observed in low-energy positron annihilation onmolecules....
 PDF: core.ac.uk
Positron collection in linear colliderIn the Linear Collider design, the positron capture system includes a positron production target, followed by an adiabatic matching device (solenoid), a pre-linac with solenoidal focusing, and a linac with quadrupole...
Positron facilities in europeAbstract: Positron annihilation is a well established method in solid state physics and material science....
Positron emulator for commisioning ilc positron sourceThe gamma-ray based positron source [1] is an attractive option for the International Linear Collider (ILC) positron option because of the less stringent target requirement and the possibility to...

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