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Articles 301 - 318 of 318
Full-Text Articles in Physical Sciences and Mathematics
Analysis Of The Potential Energy Surface Of Ar–Nh3, G. Chalasinski, S. M. Cybulski, M. M. Szczesniak, Steve Scheiner
Analysis Of The Potential Energy Surface Of Ar–Nh3, G. Chalasinski, S. M. Cybulski, M. M. Szczesniak, Steve Scheiner
Chemistry and Biochemistry Faculty Publications
The combination of supermolecular Møller–Plesset treatment with the perturbation theory of intermolecular forces is applied in the analysis of the potential energy surface of Ar–NH3. Anisotropy of the self‐consistent field (SCF) potential is determined by the first‐order exchange repulsion. Second‐order dispersion energy, the dominating attractive contribution, is anisotropic in the reciprocal sense to the first‐order exchange, i.e., minima in one nearly coincide with maxima in the other. The estimated second‐order correlation correction to the exchange effect is nearly as large as a half ΔESCF in the minimum and has a ‘‘smoothing’’ effect on the anisotropy of …
Lands Of Brighter Destiny: The Future Of The Public Lands, Elizabeth Darby Junkin
Lands Of Brighter Destiny: The Future Of The Public Lands, Elizabeth Darby Junkin
The Public Lands During the Remainder of the 20th Century: Planning, Law, and Policy in the Federal Land Agencies (Summer Conference, June 8-10)
4 pages.
The Potential Energy Surface Of (Nh3)2, Z. Latajka, Steve Scheiner
The Potential Energy Surface Of (Nh3)2, Z. Latajka, Steve Scheiner
Chemistry and Biochemistry Faculty Publications
Ab initio calculations at the SCF and correlated levels are carried out to characterize the potential energy surface of the NH3 dimer. The two basis sets used are 4‐31G∗ and a larger one containing two sets of d‐functions on N centers, 6‐31G∗∗ (1p, 2d). The only minimum occurring on the surface is a cyclic C2h structure in which the two H‐bonding protons are displaced 42° from the N‐‐N axis. The surface contains a very shallow valley along the direction leading from this geometry to a single linear H bond although …
Studies Of Dispersion Energy In Hydrogen‐Bonded Systems. H2o–Hoh, H2o–Hf, H3n–Hf, Hf–Hf, M. M. Szczesniak, Steve Scheiner
Studies Of Dispersion Energy In Hydrogen‐Bonded Systems. H2o–Hoh, H2o–Hf, H3n–Hf, Hf–Hf, M. M. Szczesniak, Steve Scheiner
Chemistry and Biochemistry Faculty Publications
Dispersion energy is calculated in the systems H2O–HOH, H2O–HF, H3N–HF, and HF–HF as a function of the intermolecular separation using a variety of methods. M≂ller–Plesset perturbation theory to second and third orders is applied in conjunction with polarized basis sets of 6‐311G∗∗ type and with an extended basis set including a second set of polarization functions (DZ+2P). These results are compared to a multipole expansion of the dispersion energy, based on the Unsöld approximation, carried out to the inverse tenth power of the intermolecular distance. Pairwise evaluation is also carried out using both atom–atom …
Planning For Rural Human Services: The Western Energy-Impact Experience, United States Department Of Health And Human Services, Office Of Human Development Services
Planning For Rural Human Services: The Western Energy-Impact Experience, United States Department Of Health And Human Services, Office Of Human Development Services
Fuel Sources
Beginning in the mid-1970's, the development of energy resources in the western United States created significant changes in the small, rural communities of this area. Many of the changes were the result of the rapid influx of population associated with industrial activities. It has long been recognized that communities subject to rapid growth have difficulty meeting the physical facility needs of their residents, such as housing, shopping and school facilities, and sewer and water services. In recent years, a growing recognition of the importance of the social effects of rapid community growth has also developed. These effects include the deterioration …
Energy Conservation In Corn Production, Wilbur W. Frye
Energy Conservation In Corn Production, Wilbur W. Frye
Soil Science News and Views
On-farm production of food and fiber uses about 3% of the annual U.S. energy consumption. About one-third of this energy is directly from fossil fuels used in farm tractors and trucks and for crop drying, while about one-fourth is used in manufacturing and transporting fertilizers. Tillage and N fertilizers are the two largest uses of energy in non-irrigated product ion of crops which are not dried artificially. Thus, the greatest effects of energy conservation can be achieved in these two areas.
Mass And Energy Exchanges Of Soybeans: Microclimate-Plant Architectural Interactions, Dennis D. Baldocchi
Mass And Energy Exchanges Of Soybeans: Microclimate-Plant Architectural Interactions, Dennis D. Baldocchi
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Characterization Of La Verkin Springs Water And Methods For Its Reuse In Energy Development, United States Department Of The Interior, Bureau Of Reclamation
Characterization Of La Verkin Springs Water And Methods For Its Reuse In Energy Development, United States Department Of The Interior, Bureau Of Reclamation
Water
Analytical water data obtained from a 9-month test program at the LVS (LaVerkin Springs) site, which is located in Washington County, Southwestern Utah, were evaluated. Fresh water and the water after processing through various pretreatment steps and after ED (electrodialysis) desalting and by desalting processes was demonstrated by the LVS site test program. The relative merit of different methods of treatment, disposal, and reuse of LVS water were studied. The objectives of the study were to evaluate methods for preventing high salinity LVS water from entering the Virgin River and for utilizing the processed water in energy development. The disposal …
Permit Requirements For Development Of Energy And Other Selected Natural Resources For The State Of Utah, Camp Dresser And Mckee, Inc.
Permit Requirements For Development Of Energy And Other Selected Natural Resources For The State Of Utah, Camp Dresser And Mckee, Inc.
All U.S. Government Documents (Utah Regional Depository)
This guidebook is one of a series prepared for every State. The purpose of the guidebook is to summarize environmental and land-use permits issued by the State for the development of energy and other natural resources. The guidebook is intended not only for private developers and interest groups, but also for regulatory officials of Federal, State, and local government as well.
Mass And Energy Exchanges Of A Soybean Canopy Under Various Environmental Regimes, S. B. Verma
Mass And Energy Exchanges Of A Soybean Canopy Under Various Environmental Regimes, S. B. Verma
School of Natural Resources: Faculty Publications
No abstract provided.
Water Rights For Western Mineral Development On Public Lands, A. Dan Tarlock
Water Rights For Western Mineral Development On Public Lands, A. Dan Tarlock
Federal Lands, Laws and Policies and the Development of Natural Resources: A Short Course (Summer Conference, July 28-August 1)
13 pages.
"Energy Resources", Harrison Scott Brown
"Energy Resources", Harrison Scott Brown
Special Collections: Oregon Public Speakers
With: Salter, C. L. The urban enigma.
Geology, Characteristics, And Resource Potential Of The Low-Temperature Geothermal System Near Midway, Wasatch County, Utah, James F. Kohler
Geology, Characteristics, And Resource Potential Of The Low-Temperature Geothermal System Near Midway, Wasatch County, Utah, James F. Kohler
All U.S. Government Documents (Utah Regional Depository)
Recent awareness of the finite nature of fossil-fuel resources has resulted in an increased interest in alternate sources of energy such as geothermal. To evaluate the geothermal energy potential of the hot springs system near Midway, Wasatch Co., Utah, consideration was given to heat flow, water chemistry, and structural controls.
Abnormal heat flow was indicated qualitatively by snow-melt patterns and quantitatively by heat-flow measurements that were obtained from two of four temperature-gradient wells drilled in the area. These measurements indicated that the area north of the town of Midway is characterized by heat flow equal to 321.75 mW/m2, which is …
Aerial And Crop Resistances Affecting Energy Transport, S. B. Verma, B. J. Barfield
Aerial And Crop Resistances Affecting Energy Transport, S. B. Verma, B. J. Barfield
School of Natural Resources: Faculty Publications
No abstract provided.
Offshore Pipeline Corridors And Landfalls In Coastal Virginia Volume One, Ann H. Rooney-Char, R. Ayres
Offshore Pipeline Corridors And Landfalls In Coastal Virginia Volume One, Ann H. Rooney-Char, R. Ayres
Reports
This report is a product of the Virginia Coastal Resources Management (CRM) Program. Along with other coastal states, Virginia is preparing a management program for coastal land and water resources and uses under grants from the Office of Coastal Zone Management (OCZM), of the U.S. Department of Commerce. The Coastal Zone Management Act of 1972, as amended in 1976, enumerates the elements which coastal states and their political subdivisions must include in their program. This report commences the response of the Commonwealth of Virginia to the national concern expressed in Sec. 305(B) (8) of the Act, that is, that states …
Preliminary Report Of The Oil And Gas Possibilities Between Pine And Cumberland Mountains, Southeastern Kentucky, A J. Froelich
Preliminary Report Of The Oil And Gas Possibilities Between Pine And Cumberland Mountains, Southeastern Kentucky, A J. Froelich
Report of Investigations--KGS
Elongate, low-amplitude flexures in strata of Pennsylvanian age have been delineated in recent mapping by the U. S. Geological Survey in cooperation with the Kentucky Geological Survey in a 600-square-mile (l ,536- square-kilometer) area between Pine and Cumberland Mountains in southeastern Kentucky. Cresta! culminations on gentle anticlinal folds may indicate loci of subsurface closures for entrapment of oil and gas. The area studied is underlain by more than 15,000 feet (4,500 meters) of Paleozoic strata containing potential source-beds, reservoirs, and cap rocks. Faults, unconformities, abrupt facies changes, and regional thickness variations enhance the geologic setting for possible oil and gas …
Β-Delayed Proton Decay Of 9c, David D. Allred, John E. Esterl, J. C. Hardy, R. G. Sextro, Joseph Cerny
Β-Delayed Proton Decay Of 9c, David D. Allred, John E. Esterl, J. C. Hardy, R. G. Sextro, Joseph Cerny
Faculty Publications
The delayed-proton spectrum following the β decay of 9C (t1/2=126.5±1.0 msec) was found to consist primarily of a continuum extending from 13 to 1.5 MeV, the latter being the lowest energy observed. In addition to the previously observed peaks at 9.28 and 12.30 MeV (C.M.), possible peaks between 3 and 7 MeV have been tentatively identified.
Oil And Gas Geology Of Muhlenberg County, Kentucky, William D. Rose
Oil And Gas Geology Of Muhlenberg County, Kentucky, William D. Rose
Bulletin--KGS
This report presents an overall study of the geologic occurrence of oil and gas in Muhlenberg County, Kentucky. Includes a systematic description of all oil and gas pools within the County, structure and stratigraphy diagrams, and maps.