Zobrazeno 1 - 10
of 143
pro vyhledávání: '"R I Lewis"'
Autor:
R. I. Lewis
This modern overview to performance analysis places aero- and fluid-dynamic treatments, such as cascade and meridional flow analyses, within the broader context of turbomachine performance analysis. For the first time ducted propellers are treated fo
Autor:
R. I. Lewis Smith
Publikováno v:
Antarctic Science. 26:341-344
A fem, Elaphoglossum hybridum (Bory) Brack., has been cultured from mineral sediment in cryoconite holes in the ice cap of Signy Island, South Orkney Islands. Its provenance, mode of transport to its Maritime Antarctic destination and the significanc
Autor:
Ryszard Ochyra, Anabela Martins, Alain Vanderpoorten, L. E. Kurbatova, P Górski, César Garcia, Rashmi Gupta, F. Mogro, Ashish Kumar Asthana, Eberhard Fischer, S. Stow, David G. Long, J. Váňa, D. Bell, S Calvo Aranda, Halina Bednarek-Ochyra, Valdon R. Smith, Vinay Sahu, Vijay Nath, N. J. M. Gremmen, Rosalina Gabriel, R. I. Lewis Smith, Leonard T. Ellis, Helena Hespanhol, Cecília Sérgio, B Cykowska
Publikováno v:
Journal of Bryology. 35:62-70
Autor:
Smith, R. I. Lewis
Publikováno v:
Vegetatio, 1988 Sep . 76(3), 155-166.
Externí odkaz:
https://www.jstor.org/stable/20038330
Autor:
P. J. A. Pugh, R. I. Lewis Smith
Publikováno v:
Antarctic Science. 23:442-448
Multivariate analysis shows that shells of Notodiscus sp. (Charopidae: Pulmonata) reported from South Georgia are smaller and proportionately taller than, but otherwise similar to, populations of Notodiscus hookeri (Reeve) from Iles Crozet and Iles K
Publikováno v:
Biological Reviews. 84:449-484
Antarctic fellfields present organisms with a heterogeneous habitat characterised by a wide variety of environmental stresses. These include low temperatures, limited moisture availability, frequent and often rapid freeze-thaw and hydration-dehydrati
Publikováno v:
Boreas. 21:209-222
Studies of Quaternary glacial stratigraphy and morphology around the Antarctic Peninsula have shown that James Ross Island in the western Weddell Sea probably has the best occurrences of stratigraphic sections with dateable material in the region. Th
Autor:
László Baranyi, R. I. Lewis
Publikováno v:
The Aeronautical Journal. 110:63-71
Computational fluid dynamics models range from the finite difference type grid-based method to the Lagrangian style vortex cloud simulation technique for solving the Navier-Stokes equations. This paper undertakes a comparison of these two methods for
Autor:
Smith, R. I. Lewis1, Øvstedal;, D. O.2
Publikováno v:
Lichenologist. Apr1994, Vol. 26 Issue 2, p209-213. 5p.
Autor:
R. I. Lewis Smith
Publikováno v:
Antarctic Science. 17:17-27
Deception Island in the South Shetland Islands is one of the most volcanically active sites south of 60°S. Between 1967 and 1970 three major eruptions devastated large expanses of the landscape and its vegetation. Since 1970 extensive recolonization