Now showing items 1-10 of 58
The risks of key recovery, key escrow, and trusted third-party encryption
(O'Reilly & Associates, Inc, 1997-06)
A variety of "key recovery," "key escrow," and "trusted third-party" encryption requirements have been suggested in recent years by government agencies seeking to conduct covert surveillance within the changing environments ...
Sources of Innovation
(Oxford University Press, 1988)
It has long been assumed that product innovations are typically developed by product manufacturers. Because this assumption deals with the basic matter of who the innovator is, it has inevitably had a major impact on ...
Cool tropical temperatures shift the global δ[superscript 18]O-T relationship: An explanation for the ice core δ[superscript 18]O- borehole thermometry conflict?
(American Geophysical Union (AGU), 1997-02)
The discrepancy between central Greenland borehole temperatures and the isotopic composition of Last Glacial Maximum ice can be explained by a shift in the δ[superscript 18]O-T relationship for the hydrological cycle linked ...
3-D resistivity forward modeling and inversion using conjugate gradients
(Society of Exploration Geophysicists, 1995-09)
We have developed rapid 3-D dc resistivity forward modeling and inversion algorithms that use conjugate gradient relaxation techniques. In the forward network modeling calculation, an incomplete Cholesky decomposition for ...
On the mix-down times of dynamically active potential vorticity filaments
(American Geophysical Union (AGU), 1999-10)
A simple model is used to study the evolution of potential vorticity filaments, viewed in cross-section, subject to steady shear and deformation flows representative of the large-scale atmospheric circulation. It is found ...
Pressure in a fluid‐filled borehole caused by a seismic source in stratified media
(Society of Exploration Geophysicists, 1996-01)
A method for numerically simulating hydrophone vertical seismic profiles (VSP) and crosswell data measured in a fluid-filled borehole (either open or cased) embedded in stratified media is presented. The method makes use ...
Subjectivity is no barrier
(Cambridge University Press, 1999-12)
Palmer's “subjectivity barrier” seems to be erected on a popular but highly suspect conception of visual experience, and his “color room” argument is invalid.
Chromosome arrangement within a bacterium
Background: The contour length of the circular chromosome of bacteria is greater than a millimeter but must be accommodated within a cell that is only a few micrometers in length. Bacteria do not have nucleosomes and little ...
Modeling of Deformation Textures Evolution in Semi-Crystalline Polymers
(Hindawi Publishing Corporation, 1991)
A composite model for plastic deformations of semi-crystalline polymersis used to simulate deformation textures evolution in these two-phase materials.Three types of textures are simulated: crystallographic texture,morphological ...
Design and evaluation of a cellular rectifier system with distributed control
(Institute of Electrical and Electronics Engineers (IEEE), 1999-06)
This paper presents the design and experimental evaluation of a six-cell 6 kW cellular (parallel) rectifier system which operates at nearly unity power factor. The cellular rectifier system implements both distributed load ...