Index Catalog // ScholarsArchive@OSU

Strontium isotopic and trace element geochemistry of the Saddle Mountains and Grande Rondé basalts of the Columbia River basalt group

Creator:: Nelson, Dennis O.
Resource Type:: Dissertation
Full Text:: OF Dennis 0. Nelson for the degree of Doctor of Philosophy in Geology presented on June 6, 1979

Risk and the selection of alternative weed management technologies in Philippine upland rice production

Creator:: O'Brien, Dennis Terrence
Resource Type:: Dissertation
Full Text:: -25 days after planting o Hill up at 40-45 days after planting Source: Garrity, Dennis P

Preparation and laboratory evaluation of stationary-phase iron-oxide-based adsorbents for removal of metals from waste waters

Creator:: May, Michael Lee
Abstract:: Several potential sorbent materials containing iron oxides were prepared and evaluated for potential to remove divalent metals from waste waters. These included a ferrihydrite-coated sand, maghemite incorporated in Dowex[Trademark] ion exchange resin, gothite and two thermally activated ferrihydrites. Attempts to prepare sorbents from steel shot by coating with ferrihydrite or...
Resource Type:: Masters Thesis
Full Text:: of Metals from Waste Waters Abstract approved: Peter 0 Nelson Several potential sorbent

A study of predeparture orientation programs for employees of business/industry and U.S. Agency for International Development projects

Creator:: Nelson, Dennis A.
Abstract:: The central purpose of this study was to identify the competencies of a predeparture orientation program as determined by business/industry personnel and personnel from institutions representing the U.S. Agency for International Development. An additional objective was to examine the organizational framework of existing predeparture programs to identify instructional methodologies, administrative...
Resource Type:: Dissertation
Full Text:: THESIS OF Dennis A. Nelson for the degree of Doctor of Education in Education presented on February 26

The Response and Effect of Emergent Coastal Vegetation to Sedimentation and the Distribution of Coastal Vegetation Communities along Environmental Gradients

Creator:: Lemein, Todd
Abstract:: Coastal marsh vegetation is an important component in maintaining marsh stability that is threatened by changes in sedimentation, sea level rise, natural and anthropogenic disturbances, and competition from invasive species. Vegetation has been demonstrated to reduce wave energy, increase sedimentation, and decrease erosion in tidal environments under a range of...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Dennis Albert Coastal marsh vegetation is an important component in maintaining marsh

Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

Creator:: Schroth, Martin Herbert
Abstract:: Chromium spills on soils are causing severe groundwater contamination problems. To increase the performance of cleanup methods, the chemical behavior of chromium in soils and its transport through soils have to be understood. The objectives of this research were to investigate the sorption characteristics of chromium(VI) in soil and to...
Resource Type:: Masters Thesis
Full Text:: : Chemical Behavior and Solute Transport Modeling Abstract approved: Redacted for Privacy Peter 0. Nelson

Estuarine sediment controls on trace metal distributions

Creator:: Davies-Colley, Robert J.
Abstract:: Sediments are the major compartment in aquatic environments for many materials of toxic or nutrient concern. The lack of knowledge of the phase associations of toxic metals in sediments is the largest deficiency in our understanding of the environmental hazard posed by metal contamination. This study examined the sedimentary partitioning...
Resource Type:: Dissertation
Full Text:: DISTRIBUTIONS Abstract Approved: Redacted for Privacy Peter 0, Nelson, M.S., Ph.D. Sediments are the major

Multi-metal equilibrium sorption and transport modeling for copper, chromium, and arsenic in an iron oxide-coated sand, synthetic groundwater system

Creator:: Osathaphan, Khemarath
Abstract:: The mixed metal compound, Chromated Copper Arsenate, or CCA, has been widely used as a wood preservative. The metal ions in CCA, CrO²⁻₄, Cu²⁺, and AsO³⁻₄, have been found in contaminated surface and subsurface soils and groundwater nearby some wood preservative facilities and nearby wood structures. Iron oxides are a...
Resource Type:: Dissertation
Full Text:: , Synthetic Groundwater System Abstract approved: Peter 0. Nelson The mixed metal compound, Chromated

Adsorption of hexavalent and trivalent chromium to a clayey silt soil : batch kinetic and equilibrium studies

Creator:: Bean, Gregory R.
Abstract:: Chromium, an element of widespread use, is toxic in some forms. Improper disposal of waste chromium products has resulted in contamination of many sites throughout the United States, including the United Chrome Products Superfund site in Corvallis, Oregon. A better understanding of chromium chemistry is needed to facilitate the remediation...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy Peter 0. Nelson Chromium, an element of widespread use, is toxic

Laboratory study of chromium sorption and desorption in undisturbed soil

Creator:: Müller, Heike K.
Resource Type:: Masters Thesis
Full Text:: Undisturbed Soil Abstract approved:, Redacted for Privacy Peter 0. Nelson The mobility of hexavalent

ScholarsArchive@OSU

Strontium isotopic and trace element geochemistry of the Saddle Mountains and Grande Rondé basalts of the Columbia River basalt group

Risk and the selection of alternative weed management technologies in Philippine upland rice production

Preparation and laboratory evaluation of stationary-phase iron-oxide-based adsorbents for removal of metals from waste waters

A study of predeparture orientation programs for employees of business/industry and U.S. Agency for International Development projects

The Response and Effect of Emergent Coastal Vegetation to Sedimentation and the Distribution of Coastal Vegetation Communities along Environmental Gradients

Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

Estuarine sediment controls on trace metal distributions

Multi-metal equilibrium sorption and transport modeling for copper, chromium, and arsenic in an iron oxide-coated sand, synthetic groundwater system

Adsorption of hexavalent and trivalent chromium to a clayey silt soil : batch kinetic and equilibrium studies

Laboratory study of chromium sorption and desorption in undisturbed soil

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