# Browse by Subject "Environmental Sciences"

• (1999)
Toxic volatile organic compounds (TVOCs) constitute 69% of the total air toxics emitted by major industrial point sources. Adsorption is one of the most practical mechanisms that can be used to separate and recover TVOCs ...

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• (1996)
Recent model predictions indicate that sulfate aerosol particles cause radiative forcing of the same magnitude but of opposite sign than the forcing caused by anthropogenic greenhouse gases. The spatial and temporal ...

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• (2002)
The primary contribution made in this research is to develop two new methods to evaluate hydraulic conductivity in a cutoff wall considering the compressibility of the backfill material and the proximity of the wall ...

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• (2006)
*This dissertation is a compound document (contains both a paper copy and a CD as part of the dissertation). The CD requires the following system requirements: Microsoft Office.

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• (1994)
My dissertation examines how American women writers from the early nineteenth century to the present have rearticulated the gendered ideologies of nature. Insights from feminist theory, cultural studies, and interdisciplinary ...

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• (1993)
This dissertation analyzes: (1) the evolution of the Sacramento-San Joaquin Delta into a water supply and conveyance node for several water dependent areas in California; and (2) trends in land use within the Delta since ...

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• (1990)
An investigation was carried out into the chemical nature and further transformation of fixed liquid anhydrous NH$\sb3$ with emphasis on chemical fixation of NH$\sb3$ by soil organic matter. For this purpose, $\sp{15}$N-labeled ...

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• (1994)
The characterization of environmental tobacco smoke (ETS) as a source of heavy metals has been performed. Thirty elements were determined in 15 brands of cigarettes and their components. Five elements, Br, Cd, Cl, K, and ...

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• (1995)
Granular activated carbon (GAC) and powdered activated carbon (PAC) have long been used to effectively treat drinking water, waste water, and industrial gas streams. Undesired contaminants are removed by adsorption onto ...

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• (1996)
Landfill covers are intended to promote runoff and prevent water infiltration into the wastes. Water infiltrating through an earthen cover can mix with the wastes causing an undesirable increase in the amount of leachate ...

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• (2001)
These findings demonstrate the existence of isolates that can aerobically grow on VC in a robust manner, or cometabolize VC rapidly when grown on ethene or ethane.

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• (1994)
The toxicity, biotransformation and biological activities of polychlorinated biphenyls (PCBs) are influenced by the number and position of chlorine atoms on the biphenyl rings. The excretion and tissue retention of three ...

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• (1996)
The food chain transfer of Polychlorinated Biphenyl (PCB) congeners was assessed in rat and human tissue after the consumption of contaminated Great Lakes fish. Fish from Lake Superior (LS), Lake Michigan (LM), and Lake ...

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• (1990)
This research explores the use of computer-based environments to facilitate environmental engineering decision-making. Two prototype systems are developed as exploration tools and to demonstrate the techniques and principles ...

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• (2000)
Inorganic Hg was localized through autometallography in beluga hepatic and renal light microscopic sections. Metal grains occurred at high densities in kidney cortical tubular epithelium, with lower densities in medullary ...

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• (1995)
By seeking to ameliorate environmental problems while also working to alleviate poverty and oppression, the construct of environmental justice has transformed environmental activism and altered the national environmental ...

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• (1989)
The study examined scientists' contribution to the popular literature published during 1972 to 1987 in the field of acid rain and found that 4.7% (102) of the total population (2,177) of scientists engaged in acid rain ...

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• (2000)
The theoretical model developed in this study is an advancement in jointly analyzing cost effective land retirement patterns and the policy instruments. Furthermore, the integration framework developed for the empirical ...

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• (2000)
Document research, informational interviews with key participants in national household waste policy-making and formal interviews with technical-professional bureaucrats in the technical-professional bureaucrats are ...

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• (2007)
Anomaly detection is the task of identifying data that deviate from historical patterns. It has many practical applications, such as data quality assurance and control (QA/QC), focused data collection, and event detection. ...

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