2 resultados para Plants--Effects of acids on.

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


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Overview. The Studies Committee received an in-person progress report from the consultants retained by the Legislature to conduct a study of the socioeconomic effects of gambling on Iowans. Dr. Deepak Chhabra and Dr. Gene Lutz, both of the University of Northern Iowa, presented an update on the conduct of the study. Gambling Study Description. The consultants indicated that the study objectives are to determine the economic impact of gambling at existing Iowa casinos on the local community, the socioeconomic characteristics of gamblers, the social impact of gambling on the local community, and the impact of problem gambling. The consultants stated that the major research methods they would use would be historical data, telephone surveys of local residents, telephone interviews with key personnel, and use of an economic impact model. In conducting the study, the consultants indicated they would examine four study areas within Iowa. Study area I would be all of Iowa, area II would be that area in Iowa within a 50-mile radius of a casino, area III would be counties with a casino, and area IV would be based upon casino employee zip codes. The consultants briefed the Committee on the data collected so far and described current challenges in obtaining data on all casino visitors and from obtaining information from several convention and visitor bureaus and chambers of commerce.

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The Columbus Laboratories of Battelle Memorial Institute is currently conducting a study of the effect of cement on moisture migration in concrete as related to the problem of D-cracking of portland cement concrete pavements. The study began on December 31, 1970, and is planned as a 3-year program. The work plan, approved by the policy committee of the members of the Iowa, Kansas, and Missouri highway departments and the Federal Highway Administration, is composed of four parts. The first phase (A) of the investigation concerned the movement of moisture into and from hardened cement pastes and the dimensional changes accompanying the moisture changes. Small slab specimens of hardened neat cement pastes were prepared from 32 different cements which were prepared at the same water/cement ratio and hydrated to the same maturity factor.