Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Ekkehard, H."'
Autor:
Karcher, Hermann, Tjaden, Ekkehard-H.
ccc-Autoevolutes are closed constant curvature space curves which are their own evolutes. A modified Frenet equation produces constant curvature curves such that the curve on $[0, \pi]$ is congruent to the evolute on $[\pi, 2\pi]$ and vice versa. Clo
Externí odkaz:
http://arxiv.org/abs/2102.00832
Publikováno v:
MedRxiv, pp. 1-24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1900::57a3943e1367a2803c313a367874e5bd
https://serval.unil.ch/resource/serval:BIB_2399BBFA10F7.P001/REF.pdf
https://serval.unil.ch/resource/serval:BIB_2399BBFA10F7.P001/REF.pdf
Akademický článek
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Autor:
Ekkehard H. Stegemann
Publikováno v:
Zeitschrift für Pädagogik und Theologie. 56:115-124
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d005586fa8e0b378b6e4d0eb19f12ce5
https://doi.org/10.1515/zpt-2004-560204
https://doi.org/10.1515/zpt-2004-560204
Publikováno v:
Veterinary Ophthalmology. 5:231-234
Clinical and histologic findings of an orbital lacrimal cyst (dacryops) in a 23-year-old-female red-eared slider (Chrysemys scripta elegans) are described. Main ophthalmologic findings included unilateral exophthalmus, engorged episcleral vessels, pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a85e327a3fdba5c62b3cfa812ec85a4
https://doi.org/10.1046/j.1463-5224.2002.00249.x
https://doi.org/10.1046/j.1463-5224.2002.00249.x
Autor:
Alexander Wanner, Ekkehard H. Lutz
Publikováno v:
Journal of the American Ceramic Society. 81:2706-2708
This paper reports results on the elastic anisotropy of four different plasma-sprayed, free-standing oxide ceramics, obtained by applying an ultrasonic phase spectroscopy technique suitable to measure wave velocities along relatively short pathlength
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1b70862dcec56ac2eb784504d6a061a
https://doi.org/10.1111/j.1151-2916.1998.tb02680.x
https://doi.org/10.1111/j.1151-2916.1998.tb02680.x
Autor:
Ekkehard H. Lutz
Publikováno v:
Journal of the American Ceramic Society. 78:2700-2704
The influence of specimen size on thermal shock resistance is investigated for relatively large plasma-sprayed alumina tubes of varying diameter, length, and wall thickness. The observations suggest that an increasing wall thickness has a significant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e862f9f4dac9512c0b336adebbcea8e
https://doi.org/10.1111/j.1151-2916.1995.tb08044.x
https://doi.org/10.1111/j.1151-2916.1995.tb08044.x
Autor:
Ekkehard H. Lutz
Publikováno v:
Journal of the American Ceramic Society. 77:1901-1908
The incorporation of inclusions into a brittle matrix can change its properties significantly. The quantitative change of strength, toughness, and retained strength after severe thermal shock and Vickers indentation damage in so-called “duplex cera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa994972c70e42ecf5dd4ebe5d766cdd
https://doi.org/10.1111/j.1151-2916.1994.tb07069.x
https://doi.org/10.1111/j.1151-2916.1994.tb07069.x
Autor:
Ekkehard H. Lutz
Publikováno v:
Journal of the American Ceramic Society. 77:1274-1280
Plasma spraying, originally a surfacing technology used for ceramic coating of metal and nonmetal substrates, is suitable for producing large, full ceramic bodies, such as plates and tubes, in situ to almost the desired dimensions; i.e., conventional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10ff47f1e4d52f0a9ea391dd8d44969e
https://doi.org/10.1111/j.1151-2916.1994.tb05402.x
https://doi.org/10.1111/j.1151-2916.1994.tb05402.x
Publikováno v:
Journal of the European Ceramic Society. 13:501-507
The influence of specimen size on the crack resistance ( K R -curve) behavior of a coarse-grained carbon is investigated using compact tension samples of varying size. The results are compared to previous measurements on asbestos cement. In order to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfb03e6455cb08f1e8e2391bf60d3256
https://doi.org/10.1016/0955-2219(94)90132-5
https://doi.org/10.1016/0955-2219(94)90132-5