Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Robert R. Weller"'
Publikováno v:
Journal of Freshwater Ecology. 19:411-417
Flathead catfish were introduced to the Altamaha River system, Georgia in the 1970's. We determined the length-weight relationship, Von Bertalanffy growth parameters, and back calculated lengths by examining the sagittal otoliths of 331 individuals c
Autor:
Jimmy D. Winter, Robert R. Weller
Publikováno v:
North American Journal of Fisheries Management. 21:792-800
Ultrasonic telemetry was used to determine the seasonal variation in the home range size of and habitat use by adult flathead catfish Pylodictis olivaris in a 93-ha reservoir in West Texas. Home ranges were significantly smaller in winter than during
Autor:
Douglas C. Duckworth, Robert R. Weller, Paula R. Cable, Joseph M. Pochkowski, R. Kenneth Marcus, Michelle V. Buchanan
Publikováno v:
Applied Spectroscopy. 46:1327-1330
High mass resolving powers ( m/Δ m = 39,000) are achieved by coupling an rf-powered glow discharge device to an FT/ICR mass spectrometer (FTMS). Introduction of the ions from the externally mounted ion source into the ICR analyzer cell is accomplish
Publikováno v:
Journal of the American Chemical Society. 113:3052-3060
Publikováno v:
Inorganic Chemistry. 19:1297-1300
Publikováno v:
Inorganic Chemistry. 20:1033-1037
Magnetic susceptibility data have been collected for catena-octanedionebis-(thiosemicarbazonato)copper(II), Cu-OTS, and catena-hexane-dionebis(thiosemicarbazonato(copper(II), Cu-HTS, in the temperature range 1.8-120 K, and the data analyzed in terms
Autor:
Brian R. Rohrs, John R. Wasson, Phirtu Singh, Jeffrey H. Helms, Robert R. Weller, William E. Hatfield
Publikováno v:
Proceedings / Indian Academy of Sciences. 98:23-31
The crystal and molecular structure of cobalt(II) oxydiacetate trihydrate, Co(C4H4O5)·3H2O, has been determined from single-crystal, three-dimensional x-ray diffraction counter data. The compound crystallizes as dark red violet platelets in space gr
Autor:
Somayajula K. Viswanadham, Emanuel M. Schreiber, C.S. Giam, Robert R. Weller, David M. Hercules
Publikováno v:
Analytical Chemistry. 60:2346-2353
Negative ion laser mass spectra of many aromatic nitro compounds show formation of an ion corresponding to (M + O - H)/sup -/ formed by an ion-molecule reaction. It was established that interaction of NO/sub 2//sup -/ with neutral molecules is respon
Publikováno v:
Inorganic Chemistry. 22:1729-1732
A magnetic study has been carried out in the temperature range 1.2-25 K and magnetic field range 0 to 50 kOe on single crystals of manganese (II) phthalocyanine. At higher temperatures the magnetic properties of manganese (II) phthalocyanine exhibit
Autor:
Donald E. Williams, Robert R. Weller
Publikováno v:
Journal of the American Chemical Society. 105:4143-4148