Wszystkie pola: Jansen, G. H - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Near Infrared Spectroscopy (NIR) - spectroscopy, colour measurement and single kernel haracterization in rye breeding
Autorzy:: Flamme, W.
Jansen, G.
Jürgens, H.-U.
Powiązania:: https://bibliotekanauki.pl/articles/2198919.pdf
Data publikacji:: 2003-12-21
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: arabinoxylan
NIR
protein
rye
sprouting
starch
yield
Opis:: Breeding relevant methods were developed or adapted for a comprehensive characterization of rye quality. In addition to classical chemical methods, necessary for calibration of NIR-spectrometer, a single kernel characterization system (SKCS) and a colour measuring instrument was used. NIR calibrations are calculated for yield, weight, size, shape and hardness (toughness) of rye grains, composition (protein, starch and arabinoxylans), colour and sprouting parameters.
Źródło:: Plant Breeding and Seed Science; 2003, 48; 107-111
1429-3862
2083-599X
Pojawia się w:: Plant Breeding and Seed Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Applications of Scanning Tunneling Microscopy To Solid State Physics
Autorzy:: van Kempen, H.
Boon, E. J. G.
van der Wielen, M. C. M. M.
Wildöer, J. W. G.
Prins, M.
Jansen, R.
Schad, R.
Powiązania:: https://bibliotekanauki.pl/articles/1968742.pdf
Data publikacji:: 1998-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 61.16.Ch
68.35.Dv
71.55.Eq
Opis:: Due to the dependence of the tunnel current to material properties like work function, density of states, and spin polarization the scanning tunneling microscope can be used to study a number of solid state physics problems. This will be illustrated with some examples. The presented examples have in common that also the role of the tip properties have to be taken explicitly into account.
Źródło:: Acta Physica Polonica A; 1998, 93, 2; 323-331
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Magnetic Field Dependent Effective Mass in the Organic Superconductor κ-(BEDT-TTF)$\text{}_{2}$I$\text{}_{3}$
Autorzy:: Balthes, E.
Schweitzer, D.
Heinen, I.
Keller, H. J.
Biberacher, W.
Jansen, A. G. M.
Steep, E.
Powiązania:: https://bibliotekanauki.pl/articles/1933336.pdf
Data publikacji:: 1995-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 74.70.Kn
71.25.Hc
71.25.Jd
Opis:: κ-(BEDT-TTF)$\text{}_{2}$I$\text{}_{3}$ is an electronically extreme two-dimensional organic metal with a superconducting transition at around 4 K. In magnetic fields above 12 T the effective mass, as obtained from the temperature dependence of the amplitudes of Shubnikov-de Haas oscillations, is magnetic field dependent as long as the magnetic field is arranged perpendicular to the conducting planes. In contrast to this, by turning the magnetic field by 27° or even only 9° the observed effective mass (as obtained from Shubnikov-de Haas and de Haas-van Alphen measurements) is field independent. We suppose that the occurrence of anyons at temperatures below 1 K in fields above 12 T is the reason for the observed field dependence of the effective mass.
Źródło:: Acta Physica Polonica A; 1995, 87, 4-5; 767-772
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Investigations of Fermi Surfaces and Effective Masses of the Organic Superconductors (BEDO-TTF)$\text{}_{2}$ReO$\text{}_{4}$(H$\text{}_{2}$O) and κ-(BEDT-TTF)$\text{}_{2}$I$\text{}_{3}$ by Shubnikov-de Haas and de Haas-van Alphen Measurements
Autorzy:: Schweitzer, D.
Balthes, E.
Karlich, S.
Heinen, I.
Keller, H.
Strunz, W.
Biberacher, W.
Jansen, A.G.M.
Steep, E.
Powiązania:: https://bibliotekanauki.pl/articles/1933332.pdf
Data publikacji:: 1995-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 71.25.Jd
71.25.Hc
74.70.Kn
Opis:: The Fermi surfaces and effective masses of (BEDO-TTF)$\text{}_{2}$ReO$\text{}_{4}$(H$\text{}_{2}$0) and κ-(BEDT-TTF)$\text{}_{2}$I$\text{}_{3}$ were investigated by Shubnikov–de Haas (SdH) and de Haas–van Alphen (dHvA) measurements in magnetic fields up to 27 T in the temperature range from 0.5 K to 4.2 K. Two small closed pockets (0.7% and 1.5% of the first Brillouin zone) are observed in (BEDO-TTF)$\text{}_{2}$ReO$\text{}_{4}$(H$\text{}_{2}$0) corresponding very well with two cross-sectional areas of the Fermi surfaces obtained for a hole and an electron pocket from tight binding calculations. In contrast, in κ-(BEDT-TTF)$\text{}_{2}$I$\text{}_{3}$ two relatively large closed sections (13% and 85% of the first Brillouin zone) of the Fermi surfaces are observed, again confirming the tight binding calculations. For κ-(BEDT-TTF)$\text{}_{2}$I$\text{}_{3}$ in magnetic fields above 12 T the effective mass for the larger orbit, as obtained from the temperature dependence of the SdH-oscillation amplitudes, is magnetic field dependent as long as the field is arranged perpendicular to the conducting planes (Θ = 0°). In contrast, from dHvA measurements - which were performed by turning the magnetic field by 27° with respect to the SdH experiments - the observed effective mass is field independent. We suppose that the occurrence of anyons at temperatures below 1 K and in fields above 12 T might be the reason for the observed field dependence of the effective mass in the SdH investigations under the special angle 0°.
Źródło:: Acta Physica Polonica A; 1995, 87, 4-5; 749-759
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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