41,871 to 41,880 of 42,018 Results
Jan 1, 1993
Burton, M. E.; Smith, E. J.; Crooker, N. U.; Siscoe, G. L., 1993, "A Test of Source-Surfae Model Predictions of Heliospheric Current Sheet Inclination", https://hdl.handle.net/2014/35261, n/a, JPL Open Repository
The orientation of the heliospheric current sheet predicted from a source surfae model is compared with the orientation determined from minimum variance analysis of ISEE-3 magnetic field data at 1 AU near solar maximum. |
Jan 1, 1993
Bell, L. D.; Milliken, A. M.; Manion, S. J.; Fathauer, R. W.; Kaiser, W. J.; Hecht, M. H.; Narayanamurti, V., 1993, "BEEM Characterization of Band Structure and Hot Carrier Transport in SiGe Heterostructures", https://hdl.handle.net/2014/34771, Willamsburg, Virginia, USA, JPL Open Repository
The electronic Structure and Properties of SiGe are important in determining the characteristics of many new hot-carrier devices, including the heterostructure bipolar transistor. |
Jan 1, 1993
Rignot, E.; Way, J. B.; McDonald, K.; Viereck, L.; Williams, C.; Adams, P.; Payne, C.; Wood, W.; Shi, J., 1993, "Monitoring of Environmental Conditions in Taiga Forests Using ERS-1 SAR Data: Results From the Commissioning Phase", https://hdl.handle.net/2014/34871, JPL Open Repository
This paper describes the results of monitoring environmental conditions in Alaskan Taiga forests using ERS-1 SAR dara. |
Jan 1, 1993
Steppe, J.; Oliveau, S.; Sovers, O., 1993, "Earth Rotation Parameters from DSN VLBI: 1993", https://hdl.handle.net/2014/35119, UNKNOWN, JPL Open Repository
This year we have introduced several modeling improvements, including estimating a parametric model for the mearly-diurnal and nearly-semidiurnal tidal frequency variations of UTI and polar motion, and estimating site velocities. |
Jan 1, 1993
Trajmar, S.; Wang, S., 1993, "Low Energy Electron-Impact Spectroscopy of C60 Buckminsterfullerene Molecule", https://hdl.handle.net/2014/35254, UNKNOWN, JPL Open Repository
The methods of electron-impact spectroscopy were utilized to obtain the first low-energy, high-resolution energy-loss spectra of gas phase pure C60 and C60 + C70 mixture buckminsterfullerene molecules. |
Jan 1, 1993
Srivastava, S.; Jong, G.; Leifer, S.; Saunders, W., 1993, "Ionization of C60 (Buckministerfullerene) by Electron Impact", https://hdl.handle.net/2014/35312, UNKNOWN, JPL Open Repository
Utilizing a crossed electron beam-molecular beam collision geometry, mass spectra of C60 and C70 ions have been obtained for an electron impact energy range of 20 eV to 600 eV. |
Jan 1, 1993
Madore, B.; Freedman, W.; Lee, M., 1993, "Cepheid Distances to Nearby Galaxies: V. Ground-Based Photometry of M81", https://hdl.handle.net/2014/35354, JPL Open Repository
This paper describes the use of the Canada-France-Hawaii telescope to obtain three closely spaced epochs of calibrated BVRI CCD imaging of two fields in M81. |
Jan 1, 1993
Dugdale, R.; Wilkerson, F.; Halpern, D.; Chavez, F.; Barder, R., 1993, "Remote Sensing of Seasonal and Annual Variation of Equatorial New Production: A Model for Global Estimates", https://hdl.handle.net/2014/35376, Advances in Space Research, JPL Open Repository
Sea-surface temperatures (SSTs) are strongly correlated with surface nitrate concentrations in coastal upwelling regions. Upwelling also occurs in the equatorial Pacific; correlations between temperature and nitrate concentration are strong. The University of Miami weekly average... |
Jan 1, 1993
Choudhury, D.; Raisanen, A.; Smith, R.; Frerking, M., 1993, "Experimental Evaluation and Theoretical Analysis of Back-to-Back Barrier-N-N+(bbBNN) Varactor Frequency Multipliers for Millimeter and Submillimeter Wave Applications", https://hdl.handle.net/2014/35434, IEEE, JPL Open Repository
This paper describes the performance of planar back-to-back Barrier-N-N+(bbBNN) devices for millimeter and submillimeter wave multiplier applications. |
Jan 1, 1993
Febvre, P.; McGrath, W.; Batelaan, P.; LeDuc, H.; Bumble, B.; Frerking, M.; Hernichel, J., 1993, "Performance of an SIS Receiver Over 460 GHz to 640 GHz Using Submicron Nb Junctions with Integrated RF Tuning Circuits", https://hdl.handle.net/2014/35435, JPL Open Repository
This paper describes a receiver for radioastronomy applications in the 460 ??0-GHz range. |