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ARM Facilities Newsletter
1
Advanced Cuttings Transport Study Quarterly Report
1
Application and Development of Appropriate Tools and Technologies for Cost-Effective Carbon Sequestration Annual Report
1
Dense Media Cyclone Optimization Progress Report
1
Field Demonstration of Carbon Dioxide Miscible Flooding in the Lansing-Kansas City Formation Progress Report
1
Fiscal Year 2002
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Fiscal Year 2003
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GT-MHR Commercialization StudyProgress Report
1
High Resolution Prediction of Gas Injection Process Performance for Heterogeneous Reservoirs Quarterly Report
1
MUSC Environmental Biosciences Progress Report
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Composition of the essential oils from Rocky Mountain juniper (Juniperus scopulorum), Big sagebrush (Artemisia tridentata), and White Sage (Salvia apiana).
The essential oils of Juniperus scopulorum, Artemisia tridentata, and Salvia apiana obtained by steam extraction were analyzed by GC-MS and GC-FID. For J. scopulorum, twenty-five compounds were identified which accounts for 92.43% of the oil. The primary constituents were sabinene (49.91%), {alpha}-terpinene (9.95%), and 4-terpineol (6.79%). For A. tridentata, twenty compounds were identified which accounts for 84.32% of the oil. The primary constituents were camphor (28.63%), camphene (16.88%), and 1,8-cineole (13.23%). For S. apiana, fourteen compounds were identified which accounts for 96.76% of the oil. The primary component was 1,8-cineole (60.65%).
Date:
September 1, 2003
Creator:
Hochrein, James Michael; Irwin, Adriane Nadine & Borek, Theodore Thaddeus, III
Object Type:
Report
System:
The UNT Digital Library
Effects of pressure on the band structure of highly mismatched Zn{sub 1-y}Mn{sub y}O{sub x}Te{sub 1-x} alloys
None
Date:
September 3, 2003
Creator:
Shan, W.; Yu, K. M.; Walukiewicz, W.; Beeman, J. W.; Wu, J.; Ager, J. W., III et al.
Object Type:
Article
System:
The UNT Digital Library
Marginal Stability Boundaries for Infinite-n Ballooning Modes in a Quasi-axisymmetric Stellarator
A method for computing the ideal-MHD stability boundaries in three-dimensional equilibria is employed. Following Hegna and Nakajima [Phys. Plasmas 5 (May 1998) 1336], a two-dimensional family of equilibria are constructed by perturbing the pressure and rotational-transform profiles in the vicinity of a flux surface for a given stellarator equilibrium. The perturbations are constrained to preserve the magnetohydrodynamic equilibrium condition. For each perturbed equilibrium, the infinite-n ballooning stability is calculated. Marginal stability diagrams are thus constructed that are analogous to (s; a) diagrams for axisymmetric configurations. A quasi-axisymmetric stellarator is considered. Calculations of stability boundaries generally show regions of instability can occur for either sign of the average magnetic shear. Additionally, regions of second-stability are present.
Date:
September 15, 2003
Creator:
Hudson, S. R. & Hegna, C. C.
Object Type:
Report
System:
The UNT Digital Library