Results 71 to 80 of about 1,734,875 (297)
Experimental Study on the Dynamic Performance of Water-Lubricated Rubber Bearings with Local Contact
Shock and Vibration, 2018 Accurate dynamic characteristic coefficients of water-lubricated rubber bearings are necessary to research vibration of ship propulsion system. Due to mixed lubrication state of water-lubricated rubber bearings, normal test rig and identification method ...
Wu Ouyang +3 more
doaj +1 more source
IEEE Open Access Journal of Power and Energy, 2020 With the increasing penetration of renewable resources and the retirements of conventional coal-fired generation units, power systems are undergoing significant transformation with the instantaneous renewable generation penetration sometimes approaching ...
Yingying Wang +3 more
doaj +1 more source
An economic analysis of a commercial approach to the design and fabrication of a space power system [PDF]
A commercial approach to the design and fabrication of an economical space power system is presented. Cost reductions are projected through the conceptual design of a 2 kW space power system built with the capability for having serviceability.
Been, J. F., Putney, Z.
core +1 more source
Reliability and maintainability assessment factors for reliable fault-tolerant systems [PDF]
, 1984 A long term goal of the NASA Langley Research Center is the development of a reliability assessment methodology of sufficient power to enable the credible comparison of the stochastic attributes of one ultrareliable system design against others.
Bavuso, S. J.
core +1 more source
System reliability analysis through corona testing [PDF]
A corona vacuum test facility for nondestructive testing of power system components was built in the Reliability and Quality Engineering Test Laboratories at the NASA Lewis Research Center. The facility was developed to simulate operating temperature and
Koutnik, E. A. +2 more
core +2 more sources
FEBS Open Bio, EarlyView.Chemoresistance in bladder cancer: Macrophage recruitment associated with CXCL1, CXCL5 and CXCL8 expression is characteristic of Gemcitabine/Cisplatin (Gem/Cis) Non‐Responder tumors (right side) while Responder tumors did not show substantial tumor‐stromal crosstalk (left side). All biological icons are attributed to Bioicons: carcinoma, cancerous‐cell‐
Sophie Leypold +11 more
wiley +1 more source
Satellite altimeters after Skylab and GEOS-C - should they utilize a single transmitter or an array of pulsed amplifiers? [PDF]
, 1972 An attempt was made to determine if future satellite altimeters, operating at K-band, should use a single transmitter or an array of pulsed amplifiers. The two systems were compared as a function of reliability, power, service life, system requirements ...
Greene, A. H., Hudson, E. F.
core +1 more source
The Impact of Operators' Performance in the Reliability of Cyber-Physical Power Distribution Systems
, 2016 Cyber-Physical Systems are the result of integrating information and communication technologies into physical systems. One particular case are Cyber-Physical Power Systems (CPPS), which use communication technologies to perform real-time monitoring and ...
Bessani, Michel +3 more
core +1 more source
Aging and Cancer, EarlyView.This study underscores the significant influence of frailty and vitality on the subjective health experience of older cancer survivors with acceptance and control emerging as salient mediators. These findings affirm the conceptual and empirical robustness of the model highlighting its potential utility in shaping future interventions for older cancer ...
Damien S. E. Broekharst +4 more
wiley +1 more source
Photovoltaic power system reliability considerations [PDF]
An example of how modern engineering and safety techniques can be used to assure the reliable and safe operation of photovoltaic power systems is presented.
Lalli, V. R.
core +1 more source