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Articles 151 - 157 of 157
Full-Text Articles in Entire DC Network
Ironstones And Associated Strata Of Peters Creek Watershed, Panola County, Mississippi / By Drukell Brian Trahan, Drukell Brian Trahan
Ironstones And Associated Strata Of Peters Creek Watershed, Panola County, Mississippi / By Drukell Brian Trahan, Drukell Brian Trahan
Electronic Theses and Dissertations
No abstract provided.
Non-Game Bird Habitat Associated With Haul Roads And Surface Mining For Bentonite Clay, Tim A. Schaid
Non-Game Bird Habitat Associated With Haul Roads And Surface Mining For Bentonite Clay, Tim A. Schaid
Electronic Theses and Dissertations
A 2 year study was conducted to investigate possible differences in density and diversity of birds in relation to distance from mining haul roads and various aged mine spoils. Winter bird surveys and breeding bird counts were conducted during 1977 and 1978. Bird density and diversity were estimated and compared between the following habitat areas: old spoils (mined ≥20 years ago, unreclaimed), new spoils (mined ≤20 years ago, reclaimed) and unmined areas. Within unmined areas density and diversity of birds 100m, 300m, 500m, and 900m from a mining haul road were compared to detect differences in density and diversity with …
Solvent Extraction Of Chromium By Salicylic, Thiosalicylic, And Phthalic Acids, Dennis G. Sebastian
Solvent Extraction Of Chromium By Salicylic, Thiosalicylic, And Phthalic Acids, Dennis G. Sebastian
Electronic Theses and Dissertations
The use of salicylic, thiosalicycle, and phthalic acids as chelating agents for the extraction of Cr(III) from aqueous solution was investigated. Normal butanol was selected as a solvent due to its relatively low solubility in the aqueous phase. Heating of the metal-ligand mixture was necessary to accelerate complex formation. The efficiency of the extraction process was found to be dependent upon pH, heating duration, and the choice of buffer systems. The % extraction was reduced using some buffer systems due to the formation of non-extractable complexes with chromium. A potassium hydrogen phthalate buffer system was found to yield the highest …
Distribution Of Cadmium In A Sediment-Water System, Ta-Peng Richard Chang
Distribution Of Cadmium In A Sediment-Water System, Ta-Peng Richard Chang
Electronic Theses and Dissertations
No abstract provided.
Actinomycetales Isolated From Saint Louis Bay, Mississippi / By Donald Howell Roush, Donald Howell Roush
Actinomycetales Isolated From Saint Louis Bay, Mississippi / By Donald Howell Roush, Donald Howell Roush
Electronic Theses and Dissertations
No abstract provided.
Soil Surveys : A Basis For Land Use Planning And Land Development Regulation, William Kent Milner
Soil Surveys : A Basis For Land Use Planning And Land Development Regulation, William Kent Milner
Electronic Theses and Dissertations
No abstract provided.
The Quest For Freedom In The Novels Of John Updike / By Robert Everett Schiller, Robert Everett Schiller
The Quest For Freedom In The Novels Of John Updike / By Robert Everett Schiller, Robert Everett Schiller
Electronic Theses and Dissertations
No abstract provided.