A mass spectrometric analysis of dc 704 diffusion-pump oil fragmentation
Mass spectrometric analysis of DC 704 diffusion pump oil fragmentation
DIFFUSION↗
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Results for “DIRECT CURRENT /DC/”
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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Design and manufacture of direct current torquer amplifiers Final summary report
Design and manufacture of direct current torquer amplifier with pulse width modulation circuit
AMPLIFIER DESIGN↗
The theory and experimental results of an ionospheric probe experiment Scientific report no. 260
Direct current, ionospheric rocket sounding probe - theoretical determinations of ion temperature and density, electron temperature, and vehicle potential
DIRECT CURRENT /DC/↗
Arc quenching at critical dc current values
Electric arc quenching at critical direct current values for circuits with inductive load
DIRECT CURRENT /DC/↗
The deterioration of contacts during the switching of low voltage /up to 220 V/ dc and ac currents
Wear of electric contacts during switching of low voltage direct and alternating currents
ELECTRIC CONTACT↗
Effect of moisture on the formation of current-carrying bridges across electric contacts made of different materials
Effects of alternating and direct currents, and of moisture on current-carrying bridge formations across electric contacts of different materials
ELECTRIC CONTACT↗
Investigation of plug-type connectors operating with microcurrents at microvolts
Performance characteristics of electric contacts in low power circuit, and establishment of lower limits for ac and dc voltages
PERFORMANCE CHARACTERISTICS↗
A theoretical and experimental study of low voltage, high current dc to ac converters which use either magnetoresistors, superconductors, Hall effect devices, or thin-film devices Final report
Low-voltage, high current dc-ac converter from magnetoresistor, superconductor, Hall effect, or thin-film devices
THIN FILM↗
Methods for dc to ac conversion Semiannual status report
Thin film deposition on metal oxide semiconductor devices, and dc to ac conversion methods
ALTERNATING CURRENT /AC/↗
Final report for a brushless dc torque motor
Brushless direct current torque motor using permanent magnet rotor and three-phase winding in stationary armature for operation in vacuum
DIRECT CURRENT /DC/↗
The parametric amplification of d-c currents
Direct current parametric amplifier for very low voltages - description and circuit applications
DIRECT CURRENT /DC/↗
Comparison of operating characteristics for an arc air heater using direct current as opposed to high-frequency alternating current
Performance characteristics of arc air heater using direct current
ARC HEATING↗
Reaction wheel with brushless dc motor drive Final report
Design, development, and manufacture of inertia reaction wheel with brushless direct current motor drive
DIRECT CURRENT /DC/↗
Nondissipative dc to dc regulator-converter study, phase I Final project report, 15 Jun. 1964 - 31 Dec. 1965
Breadboard testing of chopper and booster regulators for application to DC-to-DC regulator-converter
BOOSTER↗
Two /2/ way, latching, dc solenoid control valve Final report, 1 Mar. - 28 Dec. 1965
Two way, latching, dc solenoid valve to isolate reaction control engine clusters from main hypergolic propellant supply system
CONTROL VALVE↗
Dc States of Plasma Diodes Quarterly Status Report No. 12, 1 Jan. - 1 Apr. 1965
Direct current characteristic of cesium plasma diode - calculation method using computer program for computation of space charge equation
SPACE CHARGE↗
Study of properties of high field superconductors, ac field induced flux jumps Technical summary report, 21 Jun. 1965 - 26 Apr. 1966
Magnetization experiments in superimposed dc and audiofrequency ac magnetic fields on cold worked NbTi alloy samples - ac field induced flux jumps
TITANIUM ALLOY↗
Notes on the spin-Hamiltonian
Paramagnetic ion interaction with its crystal lattice in applied dc magnetic field, described by function of total spin resulting from unpaired electrons within ion
DIRECT CURRENT /DC/↗