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In bulk
Предмет
Логистика
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Автор24
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Научные статьи на тему «In bulk»
Dynamooptical and electrooptical properties of poly(methylphenylsiloxane) in solution and bulk
The dynamooptical, electrooptical, and hydrodynamic properties of a low-molecular-mass poly(methylphenylsiloxane) containing 33% phenyl radicals (with respect to the total amount of side groups) in dilute solutions and in the bulk are studied. The size of macromolecules, as well as the molecular mass of the polymer, its shear optical coefficients Ап/Дт = (0.29 + 0.3) x 10~l° cm s2/g (in decalin) and (0.43 ± 0.03) x lO'10 cm s2/g (in bulk), and the specific Kerr constants К = (2.30 ± 0.02) x lO'12 (in benzene), (2.23 ± 0.02) x 10-'2 (in decalin), and (2.24 ± 0.09) x 10~12 cm5/[g (300 V)2] (in bulk) are estimated and compared with the corresponding characteristics of poly(dimethylsiloxane). The effect of solvents on the intramolecular mobility, optical anisotropy, and dipole structure of polymer macromolecules is considered.
Creative Commons
Научный журнал
CHANGE IN MAGNETORESISTANCE IN MANGANESE CHALCOGENIDES MnSe1-XTeX FROM BULK TO THIN-FILM SAMPLES
The electrical and optical properties of anion-substituted antiferromagnetic semiconductors MnSe1-ХTeХ (0.1 ≤ X ≤ 0.4) in the temperature range 77-300 K and magnetic fields up to 13 kOe in bulk samples and in polycrystalline thin films are investigated. Negative magnetoresistance was found in the MnSe1-XTeX solution in the neighbourhood with a Néel temperature for X = 0.1 and for a composition with X = 0.2 in the paramagnetic region up to 270 K. A correlation was established between the spin-glass state and magnetoresistance for X = 0, 1 and 0.2. The optical absorption spectra were measured in the frequency range 2000 cm-1 < ω < 12000 cm-1. A decrease in the gap in the spectrum of electronic excitations and a several of absorption peaks near the bottom of the conduction band were found. Coexistence of two crystalline phases was found in polycrystalline films of the MnSe1-XTeX system by X-ray diffraction analysis. Resistance maxima were established in the region of polymorphic ...
Creative Commons
Научный журнал
Еще термины по предмету «Логистика»
- Bulk
- Bulk area
- Индий (In)
- In vitro
- In vivo
- Plug-In
- In progress
- In transit
- Check-in
- Walk-in
- Настой (infūsum, in), отвар (decoctum, in)
- UBE (Unsolicited Bulk E-mail)
- Массовая рассылка по факсу (bulk fax)
- Метод IN VITRO
- Метод IN VTVO
- Диагностика in vitro
- Мутагенез in vitro
- Meтоды in situ
- Гибридизация in situ
- Гиногенез in vitro
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