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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 127 records · Page 7
All sourcesNASA NTRSDOE OSTI
DOE OSTI2024

Bacteroides expand the functional versatility of a universal transcription factor and transcribed DNA to program capsule diversity

This record contains a list of Snakemake rules (Snakefile) to process a raw *.fastq.gz (from GEO record: GSE281607) using Cutadapt, map a processed *.fastq file using Bowtie, convert mapped reads to *.bed files using Samtools and Bedtools, and count the occurance of each Bacteriodes fragilis str NCTC 9343 genome position anywhere in a mapped read and as the 3' end of a mapped read using Bedtools. It further contains *ebwt files to assist with Bowtie mapping, *genome file to be used with Bedtools, a *.fasta file (useful to regenerate *ebwt files), and the completely processed *bed and *txt read files (generated by Snakemake and R) as references. In addition, a *.pdb file is included and represents the predicted interaction between UpeY and UpaZ.

Landick, Robert↗
NASA NTRS1961

A Versatile Drop Test Procedure for the Simulation of Impact Environments

In order to assure the reliability of space flight systems and spacecraft, it is necessary to subject these systems, vehicles, and their components to expected shock and impact environmental loads. The Langley Laboratory has found the apparatus and methods discussed in this paper useful in its work along these lines, and feels that other organizations might also find them of value.

Drop test↗
NASA NTRS1966

Offset lenses add versatility to phototypesetting machine

Offset lenses facilitate the composition of inputs of other than straight baseline characters on the Photon phototypesetting machine. A number of lenses in the turret are mounted in an offset pattern that causes characters projected through them to fall on the photographic paper in the magazine above and below the baseline.

James, A. M.↗
NASA NTRS1967

Current steering commutator offers versatility

Novel current steering commutator is capable of stepping to all possible locations from any location by appropriate control logic, and is easily tailored to specific user requirements.

Zottarelli, L. J.↗
NASA NTRS1967

Versatile analog pulse height computer performs real-time arithmetic operations

Multipurpose analog pulse height computer performs real-time arithmetic operations on relatively fast pulses. This computer can be used for identification of charged particles, pulse shape discrimination, division of signals from position sensitive detectors, and other on-line data reduction techniques.

Brenner, R.↗
NASA NTRS1968

Versatile impact hand tool

Improved cartridge-actuated impact hand tool includes a common power head and four attachments to punch holes, drive forced entry fasteners, hammer, and shear. The attachments are self-contained and easily fitted to the power head assembly.

Hodil, E. R.↗