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An automotive engine model for air-fuel ratio control using cylinder pressure information
(Texas A&M University, 1997)
Increasingly strict emission standards require very accurate and fast air-fuel ratio (AFR) control in combustion engines. This thesis addresses the design methodology currently used for synthesizing a control system for ...
Procedures to predict vertical differential soil movement for expansive soils
(Texas A&M University, 1997)
Damage to lightly loaded structures, paving and service piping in areas of expansive clay soils has occurred throughout the world. The cause of this damage has been the inability to accurately model expansive soil movement ...
Technological and functional variability of convergent tools from Nahr Ibrahim, Lebanon : behavioral implications for Levantine Mousterian technological organization
(1997-05)
Convergent tools are hallmarks of the Levantine Mousterian and have long been considered an important portion of the technology. Previous typological and technological analyses alluded to a variety of purposes for these ...
Dietary reconstruction and subsistence strategies of prehistoric hunter gatherers of the Texas Gulf Coast
(1997-12)
Ethnohistorical and archeological data sets from 13 shell-bearing midden sites were integrated to reconstruct the annual dietary regime and the subsistence strategies of hunting and gathering populations living along the ...
Rock quarries and the manufacture, trade, and uses of stone tools and symbolic stones in the Central Highlands of Irian Jaya, Indonesia : ethnoarchaeological perspectives
(1997-05)
From both ethnoarchaeological and ethnogenesis perspectives, the complete cycle of quarrying, manufacture, trade, and uses of stone tools and symbolic stones, and the creation of other kinds of material goods and associated ...
A numerical study of compressible flow in labyrinth seals with rub grooves
(Texas A&M University, 1997)
A labyrinth sea] uses a series of knife blades and cavities to create a high frictional flow path that turns a pressure potential into kinetic energy, which is then dissipated as heat. An existing numerical model is extended ...
Impact of farm policy on cotton prices in the United States: a study of cointegrated textile prices
(Texas A&M University, 1997)
Information surrounding new United States farm policy is disseminated and processed by agricultural stake holders world wide. This information can provide the impetus for investors to trade commodities, farmers to plant, ...
Nature-based tourism on private ranches in south Texas: a case study of management trade-offs associated with enterprise diversification on the Kenedy Ranch
(Texas A&M University, 1997)
The increasing number Texas landowners owners seeking additional sources of ranching income and the growing demand for nature-based recreational opportunities have prompted many land managers to consider including nature ...
GIS as an educational tool
(Texas A&M University, 1997)
Geographic Information Systems (GIS) is a leading informational technology of today. Used in a wide variety of applications, the influence of GIS affects people daily. Leading educators believe that GIS may provide a ...
The role of social factors in a dyadic training protocol: implications for computer-based instruction
(Texas A&M University, 1997)
This study investigated the influence of social factors in a dyadic training protocol. Specifically, the relationships between individual difference variables (extraversion and interaction anxiety), verbal communication, ...