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Freeze-Etching of Azotobacter vinelandii: Examination of Wall, Exine, and Vesicles
Article on the freeze-etching of Azotobacter vinelandii and an examination of wall, exine, and vesicles.
Date:
March 1972
Creator:
Cagle, Gerald D.; Vela, G. Roland, 1927- & Pfister, Robert M.
Object Type:
Article
System:
The UNT Digital Library
K-shell ionization of elements Ca to Zn for 0.5 to 2.5-MeV/amu 14N-ion bombardment
Article discussing K-shell ionization elements Ca to Zn for 0.5 to 2.5-MeV/amu 14N-ion bombardment.
Date:
March 1977
Creator:
McDaniel, Floyd Del. (Floyd Delbert), 1942-; Duggan, Jerome L.; Miller, P. D. & Alton, G. D.
Object Type:
Article
System:
The UNT Digital Library
Aquatic Ecological Classification and Evaluation of Streams and Stream Reaches in the Upper Roanoke River Basin, Virginia
The purpose of this study is to "establish a data base and methodology for classifying...the streams of the Roanoke Basin into a hierarchy of ecological systems" and to "establish evaluative criteria and methodology for classifying and ranking streams within the ecological systems relative to their state of environmental quality" (p. R1).
Date:
March 30, 1979
Creator:
North Texas State University. Institute of Applied Sciences.
Object Type:
Report
System:
The UNT Digital Library