1,097 research outputs found

    THE POTENTIAL FOR EXPORTING VEGETABLES FROM THE PERSPECTIVE OF U.S. EXPORTERS

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    Crop Production/Industries, International Relations/Trade,

    PROFITABILITY ADJUSTMENT PATTERNS IN INTERNATIONAL FOOD AND CONSUMER PRODUCTS INDUSTRIES

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    The study encompasses an analysis of the variation in speeds of profitability adjustment and accounting bias by developed country and firm size for two important agribusiness industries. Evidence of speeds of profitability adjustment and accounting bias varying by firm size was found in the beverage and tobacco industry and by country in the food and consumer products industry. This suggests that the competitive pressures of integrated international markets are less of a factor in the food and consumer products industry.Agribusiness, International Relations/Trade,

    AN EXPERIMENTALIST CRITIQUE OF PROGRAMMED INSTRUCTION

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    Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/72136/1/j.1741-5446.1962.tb00100.x.pd

    Corn Germ as a Source of Supplemental Fat for Cows in late Gestation

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    To evaluate corn germ as a source of supplemental fat, 217 two to twelve-year-old cows receiving grass hay free choice were supplemented with either 2.75 lb of corn germ (dry basis) or an equal amount of crude protein from soybean meal (0.80 lb dry matter) starting approximately 50 days prior to the first expected calving. Cows were removed from treatment the day they calved and where managed as a group through the breeding season. Supplement treatment did not affect cow weight change or body condition score. Corn germ did not improve any measure of reproduction, including the percentage of cows cycling or conceiving in the first 21 days of the breeding season or the days from calving to the onset of cyclicity or conception. Calf performance, calf health or indicators of colostrum absorption (total serum protein or IgG) were not influenced by supplement treatment. The results were similar whether all age groups were included in the analysis or when only data for the two and three year old cows were included in the data set. Under the conditions of this study there was no advantage to feeding a source of supplemental fat from corn germ during late gestation

    Chaos-driven dynamics in spin-orbit coupled atomic gases

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    The dynamics, appearing after a quantum quench, of a trapped, spin-orbit coupled, dilute atomic gas is studied. The characteristics of the evolution is greatly influenced by the symmetries of the system, and we especially compare evolution for an isotropic Rashba coupling and for an anisotropic spin-orbit coupling. As we make the spin-orbit coupling anisotropic, we break the rotational symmetry and the underlying classical model becomes chaotic; the quantum dynamics is affected accordingly. Within experimentally relevant time-scales and parameters, the system thermalizes in a quantum sense. The corresponding equilibration time is found to agree with the Ehrenfest time, i.e. we numerically verify a ~log(1/h) scaling. Upon thermalization, we find the equilibrated distributions show examples of quantum scars distinguished by accumulation of atomic density for certain energies. At shorter time-scales we discuss non-adiabatic effects deriving from the spin-orbit coupled induced Dirac point. In the vicinity of the Dirac point, spin fluctuations are large and, even at short times, a semi-classical analysis fails.Comment: 11 pages, 10 figure

    Historical, Archaeological, and Geophysical Investigations at Two Proposed Safety Rest Areas, Interstate Highway (IH) 10, Chambers County, Texas

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    Personnel from Coastal Environments, Inc. (CEI), Moore Archeological Consulting, Inc. (MAC), and the University of Mississippi conducted archaeological and geophysical investigations at the locations of two proposed safety rest areas on opposite sides of Interstate Highway (IH) 10 in Chambers County, Texas. The research was carried out from late August 2006 until late February 2007, under contract to the Environmental Affairs Division of the Texas Department of Transportation (TxDOT). MAC archaeologists had previously examined the two rest area tracts in 2001. Their research indicated that the north tract contained a latenineteenth- through early-twentieth-century cemetery, identified as the Broussard Cemetery site (41CH370). Buried within the cemetery are the remains of several members of the locally prominent White family and relatives. The south tract included the remains of a below-ground cistern that likely marked the location of the main house associated with the homestead and ranch of James Taylor White II. It was estimated that this house location, labeled the White Family Cistern site (41CH371), was occupied from ca. 1854 until sometime in the early 1900s. The field investigations examined three specific areas within the two tracts: (1) A small 20-by-45-m area situated about 10 m north of the Broussard Cemetery site where a truck-entrance road is to be built. It was considered possible that unmarked graves located outside the cemetery proper might be present in that area. (2) A 40-by-40-m area within the south tract where MAC personnel had located a piece of whiteware during their earlier investigations. It was thought that a possible outbuilding related to the White homestead might be present in that area. (3) A 110-by-115-m area in the south tract where the main house and most of the White family occupation occurred. The area in the north tract was examined by ground-penetrating radar, resistivity surveys and mechanical stripping of anomalies recognized by the geophysical research. The small square area in the south tract was examined by systematic shovel tests. The large area in the south tract was investigated by systematic shovel tests, a metal detector survey, a geophysical search that included magnetometer and electromagnetic susceptibility surveys, a limited ground-truth assessment of selected anomalies that had been identified by the geophysical surveys, mechanical stripping of other anomalies recognized by the geophysical research, plus the controlled excavation of a few small units in locations where the stripping uncovered potential cultural features. Overall, the various investigations identified the location, orientation, and dimensions of the White family house and its associated kitchen, a rich sheet midden situated to the rear of the house, and several possible outbuildings located to the sides of the structure. Numerous artifacts indicative of the period of suspected occupation were collected, including hundreds of pieces of metal, ceramic fragments, and glass. A few animal bones and plant remains also were obtained. Although the present study did not call for a detailed analysis of these items, such should prove useful in the future. Given these results, it is clear that site 41CH371 is eligible for inclusion in the National Register of Historic Places. Additional archaeological investigations at selected portions of the site are recommended, along with further archival and historical research. Accordingly, construction of the rest area in the south tract should be delayed until the recommended investigations are completed. The small area examined in the north tract near site 41CH370 failed to yield any evidence of burials. Since the cemetery itself will be avoided during construction, no further archaeological work is considered necessary in the north tract. Thus, construction of the rest area within the north tract may proceed as planned
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