Výsledky vyhledávání - "W.-D. Hoffmann"

Solidification and melting of gallium and mercury in porous glasses as studied by NMR and acoustic techniques

Autor: B. F. Borisov, Dieter Michel, P. G. Plotnikov, E. V. Charnaya, W.-D. Hoffmann, Yu. A. Kumzerov

Publikováno v: Nanostructured Materials. 12:515-518

The melting and freezing phase transitions of mercury and gallium in porous glasses were studied. A depression of the phase transition temperatures, a pronounced hysteresis between melting and freezing, and the melting and freezing broadening were fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1d97582e4417cfd31d447892d2ba975
https://doi.org/10.1016/s0965-9773(99)00172-5

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A nuclear magnetic resonance study of tetramethylammonium cadmium chloride (TMCC)

Autor: Zbigniew Czapla, Dieter Michel, S. Mulla-Osman, W.-D. Hoffmann

Publikováno v: Journal of Physics: Condensed Matter. 10:2465-2476

The structural phase transition at 118 K was investigated in (TMCC) crystals by means of NMR spectroscopy. For a rotation around different crystallographic axes the angular dependencies of NMR spectra are given. The three observed lines and their ang

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e95648a173c61dd12f3ff2ede63532c
https://doi.org/10.1088/0953-8984/10/11/010

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Nuclear magnetic resonance and acoustic investigations of the melting - freezing phase transition of gallium in a porous glass

Autor: Dieter Michel, Yu. A. Kumzerov, A. V. Shelyapin, B. F. Borisov, W.-D. Hoffmann, E. V. Charnaya

Publikováno v: Journal of Physics: Condensed Matter. 9:3377-3386

The melting - freezing phase transition of gallium in a porous glass was studied by NMR and acoustical techniques. A depression of the freezing and melting phase transition temperatures and a pronounced hysteresis in the melting - freezing processes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c455b9f63f8f4fcac3ba2a71895855c
https://doi.org/10.1088/0953-8984/9/16/010

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Investigation of the dipolar dephasing NMR on organic solids

Autor: W. D. Hoffmann, D. Fenzke, J. Witt

Publikováno v: Applied Magnetic Resonance. 3:151-163

We present a method based on integro-differential equations describing the13C−1H dipolar dephasing behaviour of carbon magnetization which results from monoprotonated carbons, non-protonated carbons as well as rapidly rotating methyl groups. Good a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5412b7ab2282a92d3145653449eabdfd
https://doi.org/10.1007/bf03166786

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Sonographie in Gynäkologie und Geburtshilfe der Tropen

Autor: W. D. Hoffmann, W. Strecker, K. Banza

Publikováno v: Hefte zur Zeitschrift „Der Unfallchirurg“ ISBN: 9783540609742
Hefte zur Zeitschrift „Der Unfallchirurg“

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a0e77c5a8c37c83e9920190be87324e
https://doi.org/10.1007/978-3-642-85251-0_7

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Endotoxin in Septic Shock

Autor: Z. M. N. Quezado, C. Natanson, W. D. Hoffmann

Publikováno v: Update in Intensive Care and Emergency Medicine ISBN: 9783642850387

Endotoxin is a lipopolysaccharide located on the outer membrane of gramnegative bacteria. Over the last 60 years, researchers have given endotoxin to animals and human volunteers to induce septic shock and investigated the pathophysiologic events ass

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff30023db5940604481413adf2fae057
https://doi.org/10.1007/978-3-642-85036-3_25

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Quantum chemical and NMR investigations on structure of surface complexes

Autor: D. Deininger, D. Geschke, W.-D. Hoffmann

Publikováno v: Surface Science. 57:559-570

The semiempirical quantum chemical CNDO/2 method is used to calculate models of specific interaction between benzene, toluene, and butene molecules, respectively, and ions or hydroxyls representing active sites of adsorption on zeolitic surfaces. Fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b52c230d5f039a4bdcb09211a0bc486e
https://doi.org/10.1016/0039-6028(76)90347-2

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