NASA Scientific and Technical Aerospace Reports

Language Analysis and Generation in
Algebra Tutorial Dialogues for Language-
Based Intelligent Tutoring Systems
– 223
ALGORITHMS
A High Efficiency Algorithm for Combinatorial
Synthesis: Maximum Utilization of
Minimal Libraries – 229
A Quantum Computer for Shor’s Algorithm
– 222
AveBoost2: Boosting for Noisy
Data – 204
Computational Complexity of CCSD(T)
Algorithms in Electron Correlation Studies
for Atoms and Molecules – 42
DSP Implementation of the Retinex Image
Enhancement Algorithm – 217
Efficient Evaluation Functions for Multi-
Rover Systems – 208
Future Air Traffic Growth and Schedule
Model User’s Guide – 193
Grid-Search Location Methods for
Ground-Truth Collection from Local and
Regional Seismic Networks – 185
Multivariate Clustering of Large-Scale
Scientific Simulation Data – 186
Parallel Algorithm for Contact in a Finite
Element Hydrocode – 237
Planetary Transmission Diagnostics
– 120
Sensitivity Analysis for an Assignment
Incentive Pay in the U.S. Navy Enlisted
Personnel Assignment Process in a
Simulation Environment – 218
Signal Enhancement Using Time-
Frequency Based Denoising – 231
Solar Occultation Retrieval Algorithm Development
– 329
Synchronization Analysis and Simulation
of a Standard IEEE 802.11G OFDM signal
– 241
Team Formation in Partially Observable
Multi-Agent Systems – 184
The Relationship Between Detection Algorithms
for Hyperspectral and Radar
Applications – 72
The X-Ray Variable Sky – 333
Validation and Improvement of SRTM
Performance over Rugged Terrain
– 216
ALIGNMENT
Laboratory Experiments on Rotation and
Alignment of the Analogs of Interstellar
Dust Grains by Radiation – 311
ALKALINITY
Enzymatic Properties of an Alkaline and
Chelator Resistant Proportional to alpha-
Amylase from the Alkaliphilic Bacillus sp.
Isolate L1711 – 157
ALLOCATIONS
An Improvement to Situational Force
Scoring for Adjudicating Attrition in Combined
Arms Conflicts – 228
A-4
ALLOYS
Factors Affecting the Hydrogen Embrittlement
Resistance of Ni-Cr-Mn-Nb
Welds – 54
Microstructural and Microchemical Characterization
of Dual Step Aged Alloy
X-750 and its Relationship to Environmentally
Assisted Cracking – 55
Optimum Thread Rolling Process that
Improves SCC Resistance – 54
Pore Formation and Mobility Investigation
(PFMI): Concept, Hardware Development
and Initial Analysis of Experiments
– 57
Reduction of Micro-Cracks in Large Diameter
InxGa1-xSb Bulk Crystals – 262
Self-Organized Superlattices in GaIn-
AsSb Grown on Vicinal Substrates
– 262
ALPHA PARTICLES
Differential Velocity between Solar Wind
Protons and Alpha Particles in Pressure
Balance Structures – 144
ALTERNATING CURRENT
An AC Impedance Study of the Ni/NiCl2
Electrode of Sodium/Metal Chloride
Cells – 135
I-BEM Calculations of the Frequency
Dispersion and AC Current Distribution at
a Disk/Ring-Disk Electrode – 216
ALTITUDE
The O(+) Density Trough at 5000 km
Altitude in the Polar Cap – 334
ALUMINUM ALLOYS
Advanced Technology Development:
Solid-Liquid Interface Characterization
Hardware – 188
Cryogenic Properties of Aluminum-
Beryllium and Beryllium Materials – 57
Temperature Distribution Within Solid
Metal Cylinders Subjected to a Standard
Aircraft Engine Fire – 2
Uses of Computed Tomography for Characterizing
Materials Grown Terrestrially
and in Microgravity – 289
ALUMINUM NITRIDES
AlGaN/InGaN Nitride Based Modulation
Doped Field Effect Transistor – 84
Uncooled RF Electronics for Airborne
Radar – 85
ALUMINUM OXIDES
Basic and Applied Materials Science Research
Efforts at MSFC Germane to
NASA Goals – 289
ALUMINUM
Contemporaneous Formation of Chondrules
in the Al-26-MG-26 System for
Ordinary and CO Chondrites – 324
Laser-Induced Back-Ablation of Aluminum
Thin Films using Picosecond Laser
Pulses – 252
Stress Distribution During Deformation of
Polycrystalline Aluminum by Molecular-
Dynamics and Finite-Element Modeling
– 119
AMAZON REGION (SOUTH AMERICA)
High Resolution Carbon Exchange over
Large Scale Amazonia Based on Modeling
and GOES Satellite-Derived Radiation
Inputs: The Effects of Tropical Forest
Conversion: Ecological Research in the
Large-Scale Biosphere-Atmosphere Experiment
in Amazonia (LBA) – 132
AMBIENCE
Dynamic Ambient Noise Model (DANM)
Evaluation Using Port Everglades
Data – 248
AMINO ACIDS
Function of Several Critical Amino Acids
in Human Pyruvate Dehydrogenase Revealed
by Its Structure – 157
Site Specific Incorporation of Amino Acid
Analogues into Protiens In Vivo – 170
AMMONIA
Modelling Mixed Bed Ion Exchange Kinetics
for Removal of Trace Levels of
Divalent Cations in Ultrapure Water
– 45
AMMUNITION
JLF Standard Characterization of Foreign
Ammunition (SCOFA) – 195
ANAEROBES
Spirochaeta Americana sp. Nov., A New
Haloalkaliphilic, Obligately Anaerobic
Spirochaete Isolated from Soda Mona
Lake in California – 160
ANALOG CIRCUITS
A Step Response Based Mixed-Signal
BIST Approach for Continuous-time Linear
Circuits – 187
A Step Response Based Mixed-Signal
BIST Approach – 187
ANALOGIES
Bolometer Simulation Using
SPICE – 98
ANALOGS
Site Specific Incorporation of Amino Acid
Analogues into Protiens In Vivo – 170
ANEMIAS
The Hematopoietic Stem Cell Therapy
for Exploration of Deep Space – 158
ANEMOMETERS
Measurements With a Split-Fiber Probe
in Complex Unsteady Flows – 16
ANGIOGENESIS
Role of Heregulin in the Neovascularization
of Breast Carcinoma Cancer – 164
ANGULAR VELOCITY
Angular and Linear Velocity Estimation
for a Re-Entry Vehicle Using Six Distributed
Accelerometers: Theory, Simulation
and Feasibility – 19
ANIMALS
Animal Noise Monitor: Assessment of
Accelerometers for Determining Animal
Behavior – 140