Zobrazeno 1 - 10
of 56
pro vyhledávání: '"K.W. Hoffmann"'
Publikováno v:
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::796324f78bd883d7c79a086f5aa3b60c
https://doi.org/10.1109/iembs.1993.979295
https://doi.org/10.1109/iembs.1993.979295
Autor:
K. Kretzschmar, K.W. Hoffmann
Publikováno v:
Thermochimica Acta. 94:105-112
The enthalpy of reaction during the curing of epoxy resins with anhydrides is determined by differential scanning calorimetric(DSC) methods. Based on thermochemical laws, a mean molar reaction enthalpy of -(65 ± 3) kJ mol is calculated for the forma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5af466d1f2e78df17db16f59ba70848
https://doi.org/10.1016/0040-6031(85)85250-3
https://doi.org/10.1016/0040-6031(85)85250-3
Autor:
K.W. Hoffmann, K. Kretzschmar
Publikováno v:
Thermochimica Acta. 151:233-240
For the evaluation of DSC-curves obtained in the anhydridic curing of epoxy resins, a base line which is thermochemically interpretable is to a large extent determined from the experimental data. The temperature dependency and the proportionality of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f084389946b88901856b110b448ceb98
https://doi.org/10.1016/0040-6031(89)85353-5
https://doi.org/10.1016/0040-6031(89)85353-5
Autor:
K.W. Hoffmann, K. Kretzschmar
Publikováno v:
Thermochimica Acta. 83:139-144
The activation energy, the frequency factor and the bulk reaction order were calculated from dynamic DSC experiments of curing epoxy resins with anhydrides, using different methods of kinetic evaluation and with a reaction conversion between 20 % and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7249f909a1a6196deaba2ca5f57efed
https://doi.org/10.1016/0040-6031(85)85804-4
https://doi.org/10.1016/0040-6031(85)85804-4
Autor:
K. Kretzschmar, K.W. Hoffmann
Publikováno v:
Thermochimica Acta. 151:225-232
The initiating reactions of the epoxy resin curing have already taken place in the thermally prereacted epoxy resins to oligomerisates (B-state) which are used to bond the laminates. The kinetics of overall reaction lead to the conclusion that a unif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d46076188a7c33554a4d230be3e6ae7
https://doi.org/10.1016/0040-6031(89)85352-3
https://doi.org/10.1016/0040-6031(89)85352-3
Publikováno v:
Surface Science. 17:232-239
The energy distribution of electrons reflected from freshly evaporated sodium on polycrystalline platinum surface is investigated with the retarding field method. The energy of the normally incident primary electrons is varied between 5 eV and 25 eV.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe2643caaa1840272abbfef1cb241f01
https://doi.org/10.1016/0039-6028(69)90224-6
https://doi.org/10.1016/0039-6028(69)90224-6
Autor:
Tomsone, Laura Elina, Neilands, Romans, Kokina, Kristina, Bartkevics, Vadims, Pugajeva, Iveta
Publikováno v:
International Journal of Environmental Research & Public Health; Feb2024, Vol. 21 Issue 2, p206, 20p
Autor:
Ricciardelli, Ashley R., Robledo, Ariadna, Fish, Jason E., Kan, Peter T., Harris, Tajie H., Wythe, Joshua D.
Publikováno v:
Biomedicines; Nov2023, Vol. 11 Issue 11, p2876, 32p
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Akademický článek
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