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Creator | Title | Description | Subject | Date |
| 176 |
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Wight, Charles Albert | Competitive vaporization and decomposition of liquid RDX | The thermal decomposition of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) has been studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Activation energies as a function of the extent of conversion, ?, have been determined by model-free isoconversional analysis o... | Liquid RDX; Competitive vaporization; Thermal decomposition; Differential scanning calorimetry | 2000 |
| 177 |
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Wight, Charles Albert | Thermal activation of the high explosive NTO: sublimation, decomposition, and autocatalysis | Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) show that the heating of 5-nitro-2,4-dihydro-3H-1,2,4-triazol-3-one (NTO) leads to competitive sublimation and condensed-phase exothermic decomposition. Model-free isoconversional analysis has determined activation energies... | NTO; Thermal activation; Differential scanning calorimetry; Exothermic decomposition; Competitive sublimation | 2002 |
| 178 |
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Truong, Thanh | Thermal rate constants of the NO2 fission reaction of gas phase ?-HMX: a direct ab initio dynamics study | The NO2 fission reaction of gas phase ?-HMX has been studied using a direct ab initio method within the framework of microcanonical variational transition state theory (?VT). The potential energy calculations were calculated using the hybrid nonlocal B3LYP density functional theory with the cc-pVDZ ... | HMX; Fission reaction; Thermal rate constants; Microcanonical variational transition state theory | 2000 |
| 179 |
 |
Brunstetter, Duncan Matthew; Blair, David F. | Unlocking the switching of a nanomotor | Many pathogens use flagella as a means of locomotion. Pairs of Fli M residues were mutated and tested in the presence of repellent (forcing the motor to tumble) and differences in crosslinking were observed. Of those species, some (e.coli, salmonella etc.) can spin their flagella in 2 different di... | Pathogens; Flagella; Nanotechnology; Nanomotor; Trapeze Interactive Poster | 2010-03-15 |
| 180 |
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Voth, Gregory Alan | Electronic structure calculation of the structures and energies of the three pure polymorphic forms of crystalline HMX | The molecular structures and energetic stabilities of the three pure polymorphic forms of crystalline HMX were calculated using a first-principles electronic-structure method. The computations were performed using the local density approximation in conjunction with localized "fireball" orbitals and ... | HMX; Crystalline HMX; Molecular geometry | 2000 |
| 181 |
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Wight, Charles Albert | Kinetic study of stabilizing effect of oxygen on thermal degradation of poly(methyl methacrylate) | The thermal degradation of poly(methyl methacrylate) (PMMA) has been studied in both pure nitrogen and oxygen-containing atmospheres. The presence of oxygen increases the initial decomposition temperature by 70 °C. The stabilizing effect of oxygen may be explained by forming thermally stable radica... | Poly(methyl methacrylate); PMMA; Thermal degradation; Isoconversional method | 1999 |
| 182 |
 |
Greene, Stephen Andrew; Golden, Kenneth M. | Composite microstructures and climate change | Develop mathematical models to better understand the changes in sea ice as it pertains to global climate. Compare Diffusion Limited Aggregates (DLA) and Electrorheological (ER) fluids to sea ice microstructures. | Composite microstructures; Climate change; Effect on climate; Trapeze Interactive Poster | 2010-03-15 |
| 183 |
 |
Sekercioglu, Cagan | Promoting community-based bird monitoring in the tropics: conservation, research, environmental education, capacity-building, and local incomes | Long-term, locally-based biodiversity monitoring programs are essential for understanding and mitigating the effects of global change on tropical biodiversity while providing capacity-building, environmental education, and public outreach. However, these programs are lacking in most tropical countri... | | 2011-01-01 |
| 184 |
 |
Armentrout, Peter B. | Guided ion beam and theoretical study of the reactions of Hf+ with H2, D2, and HD | The kinetic energy dependences of reactions of the third-row transition metal cation Hf+ with H2, D2, and HD were determined using a guided ion beam tandem mass spectrometer. A flow tube ion source produces Hf+ in its 2D (6s25d1) electronic ground state level. Corresponding state-specific reaction c... | | 2010-01-01 |
| 185 |
 |
Bilginsoy, Cihan | Prevailing wage regulations and school construction costs: evidence from British Columbia | The stock of public school buildings constructed during the baby boom is aging along with that generation of Americans. Soon much of this building stock will have to be replaced.(FN1) The financing of this rebuilding of America's schools is an emergent political issue of considerable importance. Giv... | | 2000-01-01 |
| 186 |
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Sekercioglu, Cagan | Chewing lice (Phthiraptera) species found on Turkish shorebirds (Charadriiformes) | Approximately 4.500 species of lice have been so far described, with about 4.000 species seen on birds and with 3.000 species in the suborder Ischnocera 1. There are 465 bird species so far recorded in Turkey and the actual total is likely to exceed 500 species. However, the chewing lice fauna of th... | | 2010-01-01 |
| 187 |
 |
Jorgensen, Erik | Protein localization in electron micrographs using fluorescence nanoscopy | A complete portrait of a cell requires a detailed description of its molecular topography: proteins must be linked to particular organelles. Immuno-electron microscopy can reveal locations of proteins with nanometer resolution but is limited by the quality of fixation, the paucity of antibodies, and... | | 2010-01-01 |
| 188 |
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Gondolo, Paolo | Dark stars: Begynnelsen | The first phase of stellar evolution in the history of the universe may be Dark Stars, powered by dark matter heating rather than by fusion. Weakly interacting massive particles, which are their own antiparticles, can annihilate and provide an important heat source for the first stars in the univers... | Dark stars; WIMP; Weakly interacting massive particles; Annihilations | 2009 |
| 189 |
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Ailion, David Charles | Nuclear magnetic resonance study of diffusion of bound and free fluorine interstitials in alkaline earth fluorides doped with trivalent impurities | When alkaline-earth fluorides are doped with trivalent impurities, interstitial fluorines are created to maintain charge neutrality. We have performed NMR dipolar-energy relaxation measurements over a wide temperature range and have observed the diffusion of both free and locally bound fluorine inte... | Diffusion; Motion; Crystals; NMR; Fluorine | 1979 |
| 190 |
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Coley, Phyllis D. | Rates of herbivory on different tropical trees | Rates of herbivory on marked young and mature leaves from saplings of 21 canopy tree species were measured in the wet and dry seasons. Species were classified into two life history groups: persistent species which are found throughout the shaded understory, and pioneer species which only become e... | Herbivory; Grazing damage; Tropical trees; Pioneer species; Trees -- Tropics | 1982 |
| 191 |
 |
Adler, Frederick R.; Liou, Theodore G. | Use of lung transplantation survival models to refine patient selection in cystic fibrosis | Lung transplantation in cystic fibrosis may improve survival for patients with low 5-year predicted survival. Identifying characteristics that affect post-transplantation survival may improve patient selection and survival benefit. Using Cystic Fibrosis Foundation Patient Registry and United Network... | Lung transplation; Survival; Burkholderia cepacia | 2005 |
| 192 |
 |
Bohs, Lynn A. | Four new species of Cyphomandra (Solanaceae) from South America | Four new species in the Neotropical genus Cyphomandra are described and illustrated. Cyphomandra pilosa and C. foetida are found on the eastern slopes of the Andes from Colombia to Peru. Cyphomandra oblongifolia is a morphologically variable species of Suriname and the Amazon basin. Cyphomandra sib... | Cyphomandra | 1988 |
| 193 |
 |
Thomas, Kirk R.; Capecchi, Mario R. | Nonreciprocal exchanges of information between DNA duplexes coinjected into mammalian. cell nuclei | We have examined the mechanism of homologous recombination between plasmid molecules coinjected into cultured mammalian cells. Cell lines containing recombinant DNA molecules were obtained by selecting for the reconstruction of a functional Neor gene from two plasmids that bear different amber mutat... | Animals; Cells, Cultured; DNA Restriction Enzymes; Kinetics | 1985-01 |
| 194 |
 |
Vardeny, Zeev Valentine; Nahata, Ajay | Resonantly-enhanced transmission through a periodic array of subwavelength apertures in heavily-doped conducting polymer films | We observed resonantly-enhanced terahertz transmission through two-dimensional (2D) periodic arrays of subwavelength apertures with various periodicities fabricated on metallic organic conducting polymer films of polypyrrole heavily doped with PF6 molecules [PPy(PF6)]. The"anomalous transmission" s... | Resonantly enhanced transmission; Subwavelength apertures; Polypyrrole; PPy(PF6) | 2006 |
| 195 |
 |
Ehleringer, James R. | Tracing changes in ecosystem function under elevated carbon dioxide conditions | Responses of ecosystems to elevated levels of atmospheric carbon dioxide (CO2) remain a critical uncertainty in global change research. Two key unknown factors are the fate of carbon newly incorporated by photosynthesis into various pools within the ecosystem and the extent to which elevated CO2 is... | Elevated carbon dioxide; Stable isotopes; Radiocarbon; Global change; Terrestrial ecosystems | 2003 |
| 196 |
 |
Mattis, Daniel C. | Extinction of antiferromagnetism by holes in CuO2 | The introduction of a sufficient number of holes into antiferromagnetic planes of Cu02 in La-Cu-O and Y-Ba-Cu-O causes antiferromagnetism to disappear at a critical density xc, beyond which superconductivity occurs. We investigate two competing tendencies, which determine the dependence of xc on the... | Antiferromagnets | 1991-08 |
| 197 |
 |
Miller, Joel Steven | Decamethylnickelocenium hydrogen-7,7,8,8-tetracyanoperfluoro-p-quinodimethandiide: isolation of the protonated weak base [HTCNQF4]- | Unprecedently stable hydrogen-7,7,8,8- tetracyanoperfluoro-p-quinodimethandiide, [HTCNQF4]-, is isolated and crystallographically characterized. | Structure; Electron; Transfer | 1996 |
| 198 |
 |
Morse, Michael David | The ground state and excited ?-hole states of CuAu | Resonant two-photon ionization spectroscopy has been applied to jet-cooled diatomic CuAu. Eight band systems have been observed, rotationally resolved, and analyzed. The ground state is X??+ in symmetry, deriving from the 3d??Cu 5d??Au, ?? molecular configuration. Its bond length has been determined... | | 1991 |
| 199 |
 |
Miller, Joel Steven | Zero field splitting, field-dependent magnetization of mixed-valent S = 3/2 Diruthenium(II,III) tetracarboxylates | The 2 K field-dependent magnetization, M(H), of S = 3/2 [RunII/III2(OAc)4]+ was studied. [RuII/III 2(OAc)4]+ exhibits an unusually low magnetization with respect to that predicted by the classical Brillouin function. This reduced value is a consequence of the large anisotropy arising from the large ... | Spin; Coupling; Expressions | 2004 |
| 200 |
 |
Stang, Peter J. | Supramolecular chemistry and molecular design: self-assembly of molecular squares | Modem supramolecular chemistry has been described as organized polymolecular systems held together by noncovalent interactions and represents one of the major frontiers in the chemical sciences.'-' At present the field is dominated by the hydrogen bonding motif that mimics biological systems and th... | Molecular design; Molecular squares | 1997 |
