Autor: Kremer, F. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: In vitro activity of a new nitroimidazole derivative (CP. 12 574) on 67 strains of T. vaginalis
Wpływ in vitro nowej pochodnej Nitroimidazolu (CP. 12 574) na rzęsistka pochwowego
Vlijanie in vitro novojj proizvodnojj Nitroimidazola (CP. 12 574) na vlagalishhnuju trikhomonadu
Autorzy:: Miltgen, F.
Dellenbach, P.
Kremer, M.
Powiązania:: https://bibliotekanauki.pl/articles/2176538.pdf
Data publikacji:: 1973
Wydawca:: Polskie Towarzystwo Parazytologiczne
Źródło:: Wiadomości Parazytologiczne; 1973, 19, 3; 499-501
0043-5163
Pojawia się w:: Wiadomości Parazytologiczne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Dynamics of 4-(2-hexyloxy-ethoxy) 4-cyanobiphenyl Molecules on Approaching a Glass Transition as Studied by Dielectric Spectroscopy
Autorzy:: Massalska-Arodź, M.
Witko, W.
Gorbachev, V.
Hartmann, L.
Kremer, F.
Powiązania:: https://bibliotekanauki.pl/articles/2037035.pdf
Data publikacji:: 2003-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 64.70.Md
64.70.Pf
77.22.Gm
Opis:: The complex dielectric permittivity of 4-(2-hexyloxy-ethyloxy) 4'-cyano-biphenyl measured in the frequency range from 0.03 Hz to 10$\text{}^{9}$ Hz is presented. Monotropic sequence of thermodynamic phases was found with two stable phases (isotropic and crystal) and three metastable states (supercooled isotropic phase, its glass and a smectic phase observed only on heating the sample first cooled rapidly to the liquid nitrogen temperature). In isotropic and supercooled isotropic phases the temperature dependence of the dielectric relaxation time was described by the same Vogel-Fulcher-Tammann formula while in a smectic phase it was of the Arrhenius type. In the transition from a supercooled isotropic phase to a smectic phase the relaxation rate of molecular motions around the short axes increases by two decades. Comparison of the relaxation behaviour and polymorphism of 4-(2-hexyloxy-ethyloxy) 4'-cyano-biphenyl of linear molecules with two chiral cyanobiphenyls is discussed.
Źródło:: Acta Physica Polonica A; 2003, 104, 6; 527-536
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Mobile NMR for Analysis of Polyethylene Pipes
Autorzy:: Blümich, B.
Casanova, F.
Buda, A.
Kremer, K.
Wegener, T.
Powiązania:: https://bibliotekanauki.pl/articles/2043383.pdf
Data publikacji:: 2005-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 81.05.Lg
82.35.Lr
76.60.-k
Opis:: NMR relaxometry is a suitable tool to determine the morphology of semi-crystalline polymers by its ability to discriminate between rigid, mostly crystalline and soft, usually amorphous material. The NMR-MOUSE$\text{}^{®}$ (nuclear magnetic resonance mobile universal surface explorer) was explored in this work to supply morphological data of poly(ethylene) pipes nondestructively. PE-100 pipes were investigated in the new state, after squeezing them flat, and after annealing well below the glass temperature. Furthermore, the change in morphology induced by a pressure load from the inside and a point load from the outside was investigated as a function of depth, and the morphology change across a welding line was imaged. A shear-band was detected by destructive high-field NMR imaging in an area of severe deformation of a pipe, where an anomalous depths profile was observed by the NMR-MOUSE. These results demonstrate that the NMR-MOUSE is a suitable tool for non-destructive state assessment of polymer pipes on the basis of laboratory reference data.
Źródło:: Acta Physica Polonica A; 2005, 108, 1; 13-23
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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