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2001

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Articles 31 - 41 of 41

Full-Text Articles in Physical Sciences and Mathematics

Metafam: A Unified Classification Of Protein Families. Ii. Schema And Query Capabilities, Elizabeth Shoop, K. Silverstein, Et Al Dec 2000

Metafam: A Unified Classification Of Protein Families. Ii. Schema And Query Capabilities, Elizabeth Shoop, K. Silverstein, Et Al

Elizabeth Shoop

No abstract provided.


Improved 3d Modeling Of Complex Fault Geometries Using Poly3d, An Elastic Boundary Element Code, Phillip Resor, D Pollard, F Maerten, L Maerten, J Muller, A Aydin Dec 2000

Improved 3d Modeling Of Complex Fault Geometries Using Poly3d, An Elastic Boundary Element Code, Phillip Resor, D Pollard, F Maerten, L Maerten, J Muller, A Aydin

Phillip G Resor

Recent advances in geologic mapping, aftershock location, and reflection seismology allow geoscientists to image surface and subsurface structures with greater precision. These images demonstrate that earthquake ruptures typically occur along faults or fault systems that display complex 3D geometries. Poly3D, a 3D boundary element code and user interface, enables the integration of these varied data sets to constrain fault geometry and accurately models the complex geometries, limited only by data precision and computing power. Poly3D is based on the analytical solution for the elastic boundary value problem of an angular dislocation in a half space composed of a homogeneous and …


Letter To The Editor, Stan Wagon Dec 2000

Letter To The Editor, Stan Wagon

Stan Wagon, Retired

No abstract provided.


Metal Binding Studies With Macrocyclic Hexathioethers: Transition Metal Complexes Of 22s6 And 20s6”,, Gregory Grant, Christopher Brandow, Chrystal Bruce, Mark Brandt, Rebecca Kirk, Sabrina Lee, Kerry Robinson, Larry Mehne Dec 2000

Metal Binding Studies With Macrocyclic Hexathioethers: Transition Metal Complexes Of 22s6 And 20s6”,, Gregory Grant, Christopher Brandow, Chrystal Bruce, Mark Brandt, Rebecca Kirk, Sabrina Lee, Kerry Robinson, Larry Mehne

Chrystal D. Bruce

No abstract provided.


Comment On "The Van Der Waals Interaction," By Barry R. Holstein [Am. J. Phys. 69 (4), 441-449 (2001)], Br Holstein Dec 2000

Comment On "The Van Der Waals Interaction," By Barry R. Holstein [Am. J. Phys. 69 (4), 441-449 (2001)], Br Holstein

Barry R Holstein

No abstract provided.


Imaging Fault Structure Of The 1995 Kozani-Grevena Earthquake Sequence, Greece Using High Precision Aftershock Locations, Phillip Resor, G Beroza, David Pollard Dec 2000

Imaging Fault Structure Of The 1995 Kozani-Grevena Earthquake Sequence, Greece Using High Precision Aftershock Locations, Phillip Resor, G Beroza, David Pollard

Phillip G Resor

The May 13, 1995 Kozani-Grevena earthquake (Mw=6.5) is a natural laboratory for studying crustal normal fault systems. The event and its aftershocks have been well observed geodetically, seismically, and geologically, providing an opportunity to integrate data sets to create a detailed subsurface fault model and investigate triggering and deformation associated with a large normal fault earthquake. Previous modeling of the earthquake has focused primarily on single geodetic data sets (e.g. inSAR - Meyer et al, 1996, GPS - Clarke et al., 1997) and has led to conflicting subsurface fault interpretations. In order to better model the subsurface fault geometry we …


Metafam: A Unified Classification Of Protein Families I. Overview And Statistics, Elizabeth Shoop, K. Silverstein, Et Al Dec 2000

Metafam: A Unified Classification Of Protein Families I. Overview And Statistics, Elizabeth Shoop, K. Silverstein, Et Al

Elizabeth Shoop

No abstract provided.


Structural Characterization Of Mao And Related Aluminum Complexes. 1. Solid-State 27al Nmr With Comparison To Efg Tensors From Ab Initio Molecular Orbital Calculations, Pamela L. Bryant, Chris R. Harwell, Anthony A. Mrse, Earl F. Emery, Zhehong Gan, Tod Caldwell, Arneil P. Reyes, Philip Kuhns, David W. Hoyt, Larry S. Simeral, Randall W. Hall, Leslie G. Butler Dec 2000

Structural Characterization Of Mao And Related Aluminum Complexes. 1. Solid-State 27al Nmr With Comparison To Efg Tensors From Ab Initio Molecular Orbital Calculations, Pamela L. Bryant, Chris R. Harwell, Anthony A. Mrse, Earl F. Emery, Zhehong Gan, Tod Caldwell, Arneil P. Reyes, Philip Kuhns, David W. Hoyt, Larry S. Simeral, Randall W. Hall, Leslie G. Butler

Randall W. Hall

Experimental and ab initio molecular orbital techniques are developed for study of aluminum species with large quadrupole coupling constants to test structural models for methylaluminoxanes (MAO). The techniques are applied to nitrogen- and oxygen-containing complexes of aluminum and to solid MAO isolated from active commercial MAO preparations. (Aminato)- and (propanolato)aluminum clusters with 3-, 4-, and 6-coordinate aluminum sites are studied with three 27Al NMR techniques optimized for large 27Al quadrupole coupling constants:  field-swept, frequency-stepped, and high-field MAS NMR. Four-membered (aminato)aluminum complexes with AlN4 coordination yield slightly smaller Cq values than similar AlN2C2 sites:  12.2 vs 15.8 MHz. Planar 3-coordinate AlN2C …


Biorthogonal Wavelets With Certain Regularities, Tian-Xiao He Dec 2000

Biorthogonal Wavelets With Certain Regularities, Tian-Xiao He

Tian-Xiao He

No abstract provided.


Biorthogonal Wavelets With Certain Regularities, Tian-Xiao He Dec 2000

Biorthogonal Wavelets With Certain Regularities, Tian-Xiao He

Tian-Xiao He

No abstract provided.


The Neural Bases Of Sentence Comprehension: A Fmri Examination Of Syntactic And Lexical Processing, Timothy A. Keller, Patricia A. Carpenter, Marcel Adam Just Dec 2000

The Neural Bases Of Sentence Comprehension: A Fmri Examination Of Syntactic And Lexical Processing, Timothy A. Keller, Patricia A. Carpenter, Marcel Adam Just

Marcel Adam Just

No abstract provided.