Zobrazeno 1 - 10
of 298
pro vyhledávání: '"G. W. Hawkins"'
Publikováno v:
Communications in Soil Science and Plant Analysis. 25:1103-1108
There is currently a great deal of concern about the movement of nutrients from agricultural land to surface and ground water. This concern centers on nitrogen (N) and phosphorus (P). These two nutrients greatly stimulate algal growth, ultimately cau
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f91f30727eaa9afd2e37778ed887488
https://doi.org/10.1080/00103629409369101
https://doi.org/10.1080/00103629409369101
Autor:
James R. Graham, Eric Keto, G. W. Hawkins, C. J. Skinner, J. G. Jernigan, John F. Arens, Margaret Meixner
Publikováno v:
Experimental Astronomy. 3:53-56
We present 9.7 and 11.8 μm narrow band (Δλ/λ=10%) images of three carbon (C-) rich proto-planetary nebulae with an unusual 21 μm feature: IRAS 07134+ 1005, IRAS 22272+5435, and IRAS 04296+3429. The images were taken at UKIRT using the Berkeley/I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acd71d75774c03c2455ed1913eda122e
https://doi.org/10.1007/bf00430116
https://doi.org/10.1007/bf00430116
Autor:
David L. Lord, Glenn S. Penny, Fred van der Bas, G. W. Hawkins, Paul McElfresh, Harold Dean Brannon, Mahmoud Asadi, David Milton-Tayler
Publikováno v:
All Days.
A new technical standard is developed to measure rheology of completion fracturing fluids. This method details step-by-step procedure for making fluids and rheology measurements. Completion fluids are defined for the purpose of this technical standar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5ab1d49cdcf833a8b9de7f261cbfcfc
https://doi.org/10.2118/98094-ms
https://doi.org/10.2118/98094-ms
Publikováno v:
Journal of animal science. 73(6)
Effects of S fertilization, 0 or 138 kg of S/ha, as (NH 4 ) 2 SO 4 on chemical composition, ensiling characteristics, and utilization of sorghum ( Sorghum bicolor L.) silage by wether lambs was investigated. 'Pioneer 947' sorghum forage was ensiled a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abc36081d48942415ff48cc84c01a4c3
https://pubmed.ncbi.nlm.nih.gov/7673075
https://pubmed.ncbi.nlm.nih.gov/7673075
Autor:
C. J. Skinner, G. W. Hawkins, James R. Graham, J. G. Jernigan, John F. Arens, M. Meixner, Eric Keto
Publikováno v:
Infrared Astronomy with Arrays ISBN: 9789401044660
We present 9.7 and 11.8 µm narrow band (Δλ/λ = 10%) images of three carbon (C-) rich proto-planetary nebulae with an unusual 21 µm feature: IRAS 07134+ 1005, IRAS 22272+5435, and IRAS 04296+3429. The images were taken at UKIRT using the Berkeley
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c075a0e620b2171c42ccd6112940c786
https://doi.org/10.1007/978-94-011-1070-9_69
https://doi.org/10.1007/978-94-011-1070-9_69
Autor:
M. Meixner, G. W. Hawkins, James R. Graham, J. G. Jernigan, Eric Keto, J. F. Arens, C. J. Skinner
Publikováno v:
Infrared Astronomy with Arrays ISBN: 9789401044660
We resolved dust shells at 10.5 and 12.5 µm around the post asymptotic giant branch stars HD 161796 and AFGL 2343, two oxygen-rich proto-planetary nebulae with very cold IRAS colors. The shell of AFGL 2343 appears as a circular ring with 4″ – 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::656c3f391aad047fbbb9787320441891
https://doi.org/10.1007/978-94-011-1070-9_68
https://doi.org/10.1007/978-94-011-1070-9_68
Publikováno v:
Planetary Nebulae ISBN: 9780792324409
We present mid-IR (8–13µm) images of dust in seven proto-planetary nebulae (PPN), GL2343, HD 161796, 89 Her, OH 0739–1435, CRL2688, IRAS 22272+5435, and CRL618. The images were taken at UKIRT and the IRTF with the Berkeley mid-IR camera which wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b60f9dea99a490b5e4d0bc72d7b483e
https://doi.org/10.1007/978-94-011-2088-3_142
https://doi.org/10.1007/978-94-011-2088-3_142
Publikováno v:
Planetary Nebulae ISBN: 9780792324409
We present mid-IR and far-IR images of a variety of AGB stars and red supergiants. The mid-IR images were all taken with the Berkeley/Livermore mid-IR array camera, which employs a 10 x 64 pixel Hughes photoconductor. All the images reported here wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e5e4c1e10315dc8e0a3919356cabb6b
https://doi.org/10.1007/978-94-011-2088-3_118
https://doi.org/10.1007/978-94-011-2088-3_118
Autor:
J. G. Jernigan, John F. Arens, James R. Graham, G. W. Hawkins, C. J. Skinner, Margaret Meixner, Eric Keto
Publikováno v:
The Astrophysical Journal. 452:314
We present images at 8.5, 10.5, and 12.5 {mu}m which reveal that AFGL 2343 (HD 179821) is surrounded by a dusty nebula 4{double_prime}{minus}5{double_prime} in diameter at 10.5 and 12.5 {mu}m. This G5 Ia supergiant has long been suspected of having a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c12631303b4a1346b9b14309033f74ef
https://doi.org/10.1086/176303
https://doi.org/10.1086/176303
Publikováno v:
The Astrophysical Journal. 423:L135
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdd6cc1833abe2e969660a5f0acd0d13
https://doi.org/10.1086/187255
https://doi.org/10.1086/187255