15 resultados para PMD Link Coefficient

em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States


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This study analyzes the impact of price shocks in three input and output markets critical to ethanol: gasoline, corn, and sugar. We investigate the impact of these shocks on ethanol and related agricultural markets in the United States and Brazil. We find that the composition of a country’s vehicle fleet determines the direction of the response of ethanol consumption to changes in the gasoline price. We also find that a change in feedstock costs affects the profitability of ethanol producers and the domestic ethanol price. In Brazil, where two commodities compete for sugarcane, changes in the sugar market affect the competing ethanol market.

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Fall 2009, Volume 2, Number 4

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Targeted Small Business News from the Business Development Division of the Iowa Department of Economic Development

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Small Business News from the Iowa Department of Economic Development

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Targeted Small Business News from the Iowa Department of Economic Development

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Targeted Small Business news from the Iowa Department of Economic Development

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Targeted Small Business News from the Iowa Department of Economic Development, Spring 2011, Volume 4, Number 2

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Targeted Small Business News and information from the Iowa Department of Economic Development.

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Targeted Small Business news from the Iowa Economic Development Authority

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Targeted small business news from the Iowa Economic Development Authority's Targeted Small Business Program

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Targeted Small Business information from the Iowa Economic Development Authority

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An offender reentry grant program funded through the Governor’s Office of Drug Control Policy supports one reentry coordinator at each of the following institutions: Mount Pleasant Correctional Facility (MPCF), Fort Dodge Correctional Facility and the Clarinda Correctional Facility. The reentry coordinators there engage in a myriad of activities, working with institution educators, counselors and medical personnel, probation/parole officers and counselors, and most importantly the offenders themselves. The program has not been in operation for very long, and only MPCF has operated long enough to be looking at outcomes. The early returns for MPCF show good promise.

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Targeted Small Business News from the Iowa Economic Development Authority

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This report is one of two products for this project with the other being a design guide. This report describes test results and comparative analysis from 16 different portland cement concrete (PCC) pavement sites on local city and county roads in Iowa. At each site the surface conditions of the pavement (i.e., crack survey) and foundation layer strength, stiffness, and hydraulic conductivity properties were documented. The field test results were used to calculate in situ parameters used in pavement design per SUDAS and AASHTO (1993) design methodologies. Overall, the results of this study demonstrate how in situ and lab testing can be used to assess the support conditions and design values for pavement foundation layers and how the measurements compare to the assumed design values. The measurements show that in Iowa, a wide range of pavement conditions and foundation layer support values exist. The calculated design input values for the test sites (modulus of subgrade reaction, coefficient of drainage, and loss of support) were found to be different than typically assumed. This finding was true for the full range of materials tested. The findings of this study support the recommendation to incorporate field testing as part of the process to field verify pavement design values and to consider the foundation as a design element in the pavement system. Recommendations are provided in the form of a simple matrix for alternative foundation treatment options if the existing foundation materials do not meet the design intent. The PCI prediction model developed from multi-variate analysis in this study demonstrated a link between pavement foundation conditions and PCI. The model analysis shows that by measuring properties of the pavement foundation, the engineer will be able to predict long term performance with higher reliability than by considering age alone. This prediction can be used as motivation to then control the engineering properties of the pavement foundation for new or re-constructed PCC pavements to achieve some desired level of performance (i.e., PCI) with time.

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