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Effects of pH, inorganic anions, and surfactants on the photocatalytic degradation of aqueous ammonia in graywater.
(2007)
Key words: Aqueous ammonia, Titanium dioxide, pH, Inorganic anions, Surfactants, Hydroxyl radicals, Graywater
Development of a Web-based infrastructure management system for Oklahoma's general aviation airports, and, Exploring the use of spectral analysis of surface waves and impulse response for pavement health monitoring.
(2007)
The transportation infrastructure of the United States consumes over 17% of its Gross National product annually and is currently valued at $1.75 trillion. With the interstate system now 50 years old, the emphasis of the ...
Effect of additives on surface free energy characteristics of aggregates and binders in hot mix asphalt.
(2007)
U.S. spends approximately $20 billion/year on asphalt pavements with disproportionately high maintenance costs of $9.3 billion/year. Better performance of asphalt pavements is crucial to reducing these maintenance costs. ...