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SMALL ANGLE DIFFUSION [1 record]
Record 1 - internal organization data 2010-04-12
Record 1, English
Record 1, Subject field(s)
- Nuclear Physics
Record 1, Main entry term, English
- small-angle scattering
1, record 1, English, small%2Dangle%20scattering
correct
Record 1, Abbreviations, English
- SAS 1, record 1, English, SAS
correct
Record 1, Synonyms, English
- small-angle diffusion 2, record 1, English, small%2Dangle%20diffusion
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A scattering technique based on the deflection of a beam of particles, or an electromagnetic or acoustic wave, away from the straight trajectory after it interacts with structures that are much larger than the wavelength of the radiation. 3, record 1, English, - small%2Dangle%20scattering
Record number: 1, Textual support number: 1 OBS
The deflection is small (0.1-10°) hence the name small-angle. SAS techniques can give information about the size, shape and orientation of structures in a sample. 3, record 1, English, - small%2Dangle%20scattering
Record 1, Key term(s)
- small angle scattering
- small angle diffusion
Record 1, French
Record 1, Domaine(s)
- Physique nucléaire
Record 1, Main entry term, French
- diffusion à petits angles
1, record 1, French, diffusion%20%C3%A0%20petits%20angles
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- diffusion aux petits angles 2, record 1, French, diffusion%20aux%20petits%20angles
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Diffusion à «petits angles». Les neutrons sont caractérisés par une longueur d'onde [lambda] d'environ 1 nm (10-9m). Lorsqu'un faisceau de neutrons rencontre un échantillon possédant une structure à «grande échelle» (1 nm à 100 nm), faite d'au moins deux espèces, il est diffusé à un angle [thêta] petit, d'où le nom de diffusion à petits angles. L'intensité diffusée est proportionnelle à un contraste naturel entre les deux espèces ou obtenue par une substitution isotopique. 1, record 1, French, - diffusion%20%C3%A0%20petits%20angles
Record 1, Spanish
Record 1, Textual support, Spanish
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