Zobrazeno 1 - 10
of 59
pro vyhledávání: '"I. S. Vinogradova"'
Autor:
O. V. Falaleev, I. S. Vinogradova
Publikováno v:
Journal of Structural Chemistry. 57:812-814
Water uptake by dry Lima beans (Phaseolus limensis L.) was traced using 1H micro-magnetic resonance imaging. The studies are performed using two-dimensional longitudinal images. Channels through which water comes in an imbibing bean seed are determin
Autor:
I. S. Vinogradova, O. V. Falaleev
Publikováno v:
Russian Journal of Developmental Biology. 43:25-34
1H magnetic resonance microtomography imaging was applied to study vascular systems in developing bean (Phaseolus limensis L.) seeds. Using the gradient echo method, we recorded 2D tomographic sections in the sagittal and axial planes of the fruits s
Publikováno v:
Russian Journal of Physical Chemistry. 82:376-379
The high-resolution 77Se NMR spectra of ammonium pyroselenite crystals were recorded in the cross-polarization mode. The angular dependences of the chemical shifts of resonance lines with respect to liquid H2SeO4 were used to determine the chemical s
Publikováno v:
Solid State Sciences. 6:1381-1385
The chemical composition and peculiarities of the structure of a salt that precipitates from aqueous solution of NH4HSeO3 at the 25 °C was studied by NMR and Raman spectroscopy methods using the single crystal samples with different heavy water cont
Autor:
I. S. Vinogradova
Publikováno v:
Crystallography Reports. 46:288-291
This work is a part of the systematic study of the structure and the physical properties of alkaline hydroselenite crystals with the general formula MeHSeO3, where Me is an alkali ion. The characteristic feature of this family is a net of hydrogen bo
Autor:
I S, Vinogradova, O V, Falaleev
Publikováno v:
Ontogenez. 43(1)
1H magnetic resonance microtomography imaging was applied to study vascular systems in developing bean (Phaseolus limensis L.) seeds. Using the gradient echo method, we recorded 2D tomographic sections in the sagittal and axial planes of the fruits s
Publikováno v:
Ferroelectrics. 107:275-280
Single-crystal neutron diffraction studies of (NH4)2Se2O5 crystals have been carried out in the low-temperature (293 K) and high-temperature (333 K) phases. According to neutron diffraction data, during the phase transition at 312 K in (NH4)2Se2O5 cr
Publikováno v:
ChemInform. 36
Autor:
B I Cherkasov, I S Vinogradova
Publikováno v:
Journal of Physics C: Solid State Physics. 14:L751-L755
The first detection of the phase transition of (ND4)2Se2O5 crystal is reported. The dielectric properties, the deuteron magnetic resonance spectra and the proton spin-lattice relaxation time T1 have been measured. A first-order structural phase trans
Publikováno v:
Novosti meditsinskogo priborostroeniia. 2