Bacteria in Simulated Martian Conditions. M. Silver; S. Mora, M. Ivey, and V. Chevrier, Arkansas Center for Space and Planetary Sciences at the University of Arkansas. 332 N Arkansas Ave., Fayetteville, AR 72701. [email protected], The University of Arkansas Department of Biological Sciences. 1 University of Arkansas, Fayetteville, AR 72701. [email protected], The University of Arka...

Reaction behaviors and kinetics of catalytic oxidation of toluene with different feed flows over Pt/Zr(x)-HMS catalysts with Si/Zr ratio equal to 5, 10, 20 and 35 were investigated over a wide temperature range (200 – 500 oC). Results show that Pt/Zr(x)-HMS performs more easily toluene oxidation. The kinetic data were fitted by the Power-law and Mars–van Krevelen kinetic models. The fitting res...

Over the past twenty years Mars surface exploration has been conducted particularly by the following six-wheel rocker-bogie mobile rovers developed at NASA Jet Propulsion Laboratory [1]: the Mars Pathfinder mission rover Sojourner, the Mars Exploration Rovers (MER) Spirit and Opportunity and the Mars Science Laboratory (MSL) rover Curiosity, where the latter is still on his way to Mars and is e...

In this paper a new on-Mars calibration procedure of a planetary lander vision system is presented. It is based on recent developments in computer vision. The calibration is retrieved from the images of the Mars terrain (the same images from which the 3D measurements of the terrain are obtained). The procedure is based on the relations between multiple views of the same scene. The main advantag...

The Medical Article Records System (MARS) developed by the Lister Hill National Center for Biomedical Communications uses scanning, OCR and automated recognition and reformatting algorithms to generate electronic bibliographic citation data from paper biomedical journal articles. The multi-engine OCR server incorporated in MARS performs well in general, but fares less well with text printed in ...

Existing approaches to constrained dynamic programming are limited to formulations where the constraints share the same additive structure of the objective function (that is, they can be represented as an expectation of the summation of one-stage costs). As such, these formulations cannot handle joint probabilistic (chance) constraints, whose structure is not additive. To bridge this gap, this ...

Crater Size-Frequency Distributions (SFD) on planetary surfaces are crucial to dating the geological age. On the Moon they have been employed together with radioactive K-Ar techniques to determine ages of different regions. The launch of the ESA Mars Express (MEX) mission on 6 June 2003 with the 9-view camera HRSC (High Resolution Stereo Camera) orbiting instrument and subsequent spectacular mu...