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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 1,117 records · Page 62
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

3D microstructures for rapid absorption/desorption in mechanically constrained liquid absorbents

An absorber or desorber contains one or more micro-channels that have a 3-D structured heat-exchanging surface and a membrane on the microchannel situated distal to the 3-D structured heat-exchanging surface, where the membrane is permeable to a solvent of a solution employed in the absorber or desorber. The 3-D structured surface promotes mixing of hot and cold solution between the 3-D structured heat-exchanging surface and a vapor-exchanging surface proximal to the membrane. The mixing reduces the differences in concentration and temperature of the bulk solution and the solution at the vapor-exchanging surface to enhance the efficiency and rate of absorption or desorption of the solvent.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Rapid identification of microorganisms

Methods of labeling, identifying and differentiating microorganisms using functionalized Buckyballs are provided herein. The invention further provides methods for imaging or inhibiting gene expression using functionalized Buckyballs of the invention. The invention also provides a system for labeling, identifying and differentiating microorganisms.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2020

Rapid synthesis of gallium alloys

The ability to generate complex gallium alloys using metal amides, Ga(NR 2 ) 3 and M(NR 2 ) n , is easily accomplished by heating the two metal amides in predetermined ratios. The product can be isolated as Ga x M y where x and y can vary.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Reliable cyber-threat detection in rapidly changing environments

In some embodiments, a plurality of monitoring nodes each generate a series of current monitoring node values over time that represent a current operation of the industrial asset. An attack detection computer platform may receive the series of current monitoring node values and generate a set of current feature vectors including a current feature for capturing transients (e.g., local transients and/or global transients). The attack detection computer platform may also access an attack detection model having at least one decision boundary that was created using at least one of a set of normal feature vectors and/or a set of attacked feature vectors. The attack detection model may then be executed such that an attack alert signal is transmitted by the attack detection computer platform, when appropriate, based on the set of current feature vectors (including the current feature to capture transients) and the at least one decision boundary.

Abbaszadeh, Masoud↗