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Trends in the accuracy of USDA production forecasts for beef and pork
(Western Agricultural Economics Association, 1998-12)
Trends in the accuracy of USDA forecasts of beef and pork production and supply are evaluated for the period 1982-96. Findings of the study show that USDA forecasts underestimated production and supply in the 1980s, but ...
Multilayer formation in an azacrown [18]N6 Langmuir film
(Royal Society of Chemistry, 1998)
A neutron reflectivity study of a deuterated azacrown [18]N6 at the air-water interface shows that it forms multilayers upon compression, with monolayers and trilayers being more stable than bilayers.
Kinetic modeling of microscopic processes during electron cyclotron resonance microwave plasma-assisted molecular beam epitaxial growth of GaN/GaAs-based heterostructures
(AIP Publishing, 1996)
Microscopic growth processes associated with GaN/GaAs molecular beam epitaxy (MBE) are examined through the introduction of a first‐order kinetic model. The model is applied to the electron cyclotron resonance microwave ...
Transduction of linked chromosomal genes between Pseudomonas aeruginosa strains during incubation in situ in a freshwater habitat
(American Society for Microbiology, 1990-01)
Both transduction of single chromosomal loci and cotransduction of closely linked loci were observed between lysogenic and nonlysogenic strains of Pseudomonas aeruginosa in a freshwater habitat. Transductants were recovered ...
3-ethoxycarbonyl-5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)pyridinium nitrate, dineopentyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate and dihexyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate
(International Union of Crystallography, 1997)
The single-crystal X-ray structures of three oxidation products of 4-(3-nitrophenyl)-1,4-dihydropyridine, namely, 3-ethoxycarbonyl-5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)pyridinium nitrate, C18H19N2O6+.NO3-, ...
Effects of suspended particulates on the frequency of transduction among Pseudomonas aeruginosa in a freshwater environment
(American Society for Microbiology, 1995-04)
Transduction has been shown to play a significant role in the transfer of plasmid and chromosomal DNA in aquatic ecosystems. Such ecosystems contain a multitude of environmental factors, any one of which may influence the ...
Demonstrated low radiative loss of a quadrupole ultrashort electrical pulse propagated on a three strip coplanar transmission line
(AIP Publishing, 1997-11-10)
We present an approach for reducing the absorption and dispersion due to Cherenkov radiation on coplanar transmission lines, which does not require the reduction of the permittivity mismatch between the substrate and the ...
THz commensurate echoes: Periodic rephasing of molecular transitions in free-induction decay
(American Physical Society, 1991-04-08)
We report the first study of coherent transients excited by ultrafast pulses of THz radiation. Using a newly developed optoelectronic source of well-collimated beams of subpicosecond pulses of THz radiation to excite N2O ...
Agronomic performace in acid soils of wheat lines selected for hematoxylin staining pattern
(Crop Science Society of America, 1992-01)
Laboratory screening techniques enable detection of varying degrees of A1 tolerance during seedling development, but their application to crop improvement programs must be verified in the field. The objective of this study ...
Effects of localized Pasteurella haemolytica infection on erythromycin-binding properties of bovine alpha-1-acid glycoprotein, albumin, serum, and tissue chamber fluids
(American Society for Microbiology, 1994-10)
The in vitro erythromycin-binding properties of bovine alpha-1-acid glycoprotein (AAG) and albumin were studied by using equilibrium dialysis. In addition, the proportions of free erythromycin in bovine serum and tissue ...