Zobrazeno 1 - 10
of 39
pro vyhledávání: '"D. H. Levy"'
Autor:
D. H. Levy
Publikováno v:
Scientific American. 314(2)
The article offers the author's insights on his dedication to become a professional comet hunter. The author discusses his early memories of learning the French language to pass an examination, his discovery on the movement of a fuzzy object, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53e13d852a0e173ce7c86912fe307489
https://pubmed.ncbi.nlm.nih.gov/26930831
https://pubmed.ncbi.nlm.nih.gov/26930831
Autor:
D. H. Levy
Publikováno v:
Proceedings of the Human Factors and Ergonomics Society Annual Meeting. 42:754-757
The search for buried landmines is currently a tedious and dangerous process, performed by hand to ensure the high degree of reliability required for reputable land recovery. An experimental class at MIT spent one semester working to develop new tool
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d0b2614887051c2e577b5d60dd22520
https://doi.org/10.1177/154193129804201021
https://doi.org/10.1177/154193129804201021
Autor:
D. H. Levy
Publikováno v:
Space Science Reviews. 85:523-545
The discovery of Comet Shoemaker-Levy 9 in March 1993 opened an extraordinary few years in the study of the history of impacts in the solar system. This review paper offers a background that attempts to set the events of 1993 and 1994 into a historic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48957d79f05cd60a64b6f15fd4817ead
https://doi.org/10.1023/a:1005079807445
https://doi.org/10.1023/a:1005079807445
Publikováno v:
Scientific American. 273:84-91
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b69d7847bca40028755bc1d96af5e828
https://doi.org/10.1038/scientificamerican0895-84
https://doi.org/10.1038/scientificamerican0895-84
Autor:
Donald K. Yeomans, D. H. Levy, Philippe Lamy, Eugene M. Shoemaker, John T. Trauger, Keith S. Noll, C. S. Shoemaker, Alex D. Storrs, Karen J. Meech, Brian G. Marsden, Terry K. Smith, Paul D. Feldman, S. M. Larson, Michael F. A'Hearn, James V. Scotti, S. A. Stern, Z. Sekanina, Harold A. Weaver, Daniel C. Boice, B. H. Zellner, Claude Arpigny
Publikováno v:
Science. 267:1282-1288
The Hubble Space Telescope made systematic observations of the split comet P/Shoemaker-Levy 9 (SL9) (P designates a periodic comet) starting in July 1993 and continuing through mid-July 1994 when the fragments plunged into Jupiter's atmosphere. Decon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26ade7927c93b502db4072e806587f6c
https://doi.org/10.1126/science.7871424
https://doi.org/10.1126/science.7871424
Autor:
Brian G. Marsden, Terry K. Smith, Harold A. Weaver, Z. Sekanina, S. M. Larson, B. Zellner, E. F. Helin, M. F. A'Hearn, Keith S. Noll, James V. Scotti, C. S. Shoemaker, Alex D. Storrs, Eugene M. Shoemaker, Donald K. Yeomans, Karen J. Meech, Paul D. Feldman, D. H. Levy, Robert A. Brown, Claude Arpigny
Publikováno v:
Science. 263:787-791
The Hubble Space Telescope observed the fragmented comet P/Shoemaker-Levy 9 (1993e) (P indicates that it is a periodic comet) on 1 July 1993. Approximately 20 individual nuclei and their comae were observed in images taken with the Planetary Camera.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5dd72c1aabd63ff6314e0348832c0ff5
https://doi.org/10.1126/science.263.5148.787
https://doi.org/10.1126/science.263.5148.787
Publikováno v:
ResearcherID
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::313101a0409ad2424a620caf51548554
https://doi.org/10.1006/jmra.1993.1234
https://doi.org/10.1006/jmra.1993.1234
Publikováno v:
Journal of Applied Physics. 73:2809-2815
Hydrogen nuclear magnetic resonance(NMR) was used to probe defect reactions in fused silica during 193 nm ultraviolet irradiation and thermal treatment. Hydrogen concentration and Carr–Purcell measurements indicate that the majority of hydrogen ato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2e137f866007ff56b98673c7fd55209
https://doi.org/10.1063/1.353057
https://doi.org/10.1063/1.353057
Autor:
K. K. Gleason, D. H. Levy
Publikováno v:
Journal of The Electrochemical Society. 140:797-800
1 H NMR spectra were obtained for silicon dioxide films that were thermally grown under clean room conditions. Bulk hydrogen in a concentration of approximately 1.2×10 198 H/cm 3 was detected in a 1.1-μm thick wet oxide grown at 1000 o C. The relat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de8cd6daecae6c6b0d8d19ce1aeeda21
https://doi.org/10.1149/1.2056161
https://doi.org/10.1149/1.2056161
Autor:
Karen K. Gleason, D. H. Levy
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 11:195-198
The design for a nuclear magnetic resonance (NMR) probe capable of detecting hydrogen signals at levels of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c366555836d725cd20926421e251d07
https://doi.org/10.1116/1.578701
https://doi.org/10.1116/1.578701