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| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
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Bedrov, Dmitro; Smith, Grant D. | Anomalous pressure dependence of the structure factor in 1,4-polybutadiene melts: a molecular dynamics simulation study | Neutron scattering has shown the first diffraction peak in the structure factor of a 1,4-polybutadiene melt under compression to move to larger q values as expected but to decrease significantly in intensity. Simulations reveal that this behavior does not result from loss of structure in the polymer... | Polymer melts; 1, 4-polybutadiene melts; Pressure; Structure factor | 2004-07 |
| 2 |
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Liu, Feng | Geometric constant defining shape transitions of carbon nanotubes under pressure | We demonstrate that when a single-walled carbon nanotube is under pressure it undergoes a series of shape transitions, first transforming from a circle to an oval and then from an oval to a peanut. Most remarkably, the ratio of the area of the tube cross sections at the second transition over that ... | Geometric constant; Shape transitions; Carbon nanotubes; Pressure | 2004-03 |
| 3 |
 |
Miller, Joel Steven | Involvement of titanocene and related species in the reduction of dinitrogen and olefins | Summary Four sequential products have been spectrally detected in the reduction by sodium of dicyclopentadienyltitanium(iv) dichloride: [(77-Cp)2TiCl]2, [(77-Cp)2-Ti]1-2, [(77-Cp)(C5H4)TiH]x, and (77-Cp)(C5H4)TiH2Ti- (C5H4)(77-Cp) ("stable titanocene"); the second of these reacts rapidly and rever... | Hydrolysis; Sodium; Pressure | 1972 |
| 4 |
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Goller, Franz | Motor control of crystallized song is modified by sensory feedback | Song production requires precisely coordinated activity in the respiratory and syringcal (vocal organ) muscles. Crystallized adult song is characterized by acoustic and motor stereotypy which does not require auditory feedback, suggesting it is represented by fixed central motor programs. To determ... | Air injection; Auditory feedback; Pressure | 1997 |
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