Results 31 to 40 of about 207,565 (299)
, 2017 Proton exchange membrane fuel cell (PEMFC) operation involves multiphase mass, charge, and heat transport, complex electrochemical reactions, and physical processes that occur at multiple spatial and time scales, e.g., from double-layer effects occurring in milliseconds to catalyst degradation which becomes only significant after many hours of ...
Secanell, Marc +4 more
openaire +3 more sources
Modeling and simulations of deformation and transport in PEM fuel cells [PDF]
, 2008 Performance degradation and durability of PEM fuel cells depend strongly upon transport and deformation characteristics of their components especially the polymer membrane.
Yesilyurt, Serhat, Yeşilyurt, Serhat
core +1 more source
Large-scale air mass characteristics observed over the remote tropical Pacific Ocean during March-April 1999: Results from PEM-Tropics B field experiment [PDF]
, 2001 Eighteen long-range flights over the Pacific Ocean between 38° S to 20° N and 166° E to 90° W were made by the NASA DC-8 aircraft during the NASA Pacific Exploratory Mission (PEM) Tropics B conducted from March 6 to April 18, 1999. Two lidar systems were
Anderson, BE +22 more
core +1 more source
Regression of Environmental Noise in LIGO Data [PDF]
, 2015 We address the problem of noise regression in the output of gravitational-wave (GW) interferometers, using data from the physical environmental monitors (PEM).
Drago, Marco +10 more
core +2 more sources
BatteriesThe growing demand for lithium-ion batteries, along with the imperative for sustainable and cost-efficient production, necessitates the exploration of innovative technological approaches.
Benedict Ingendoh +6 more
doaj +1 more source
Polyelectrolyte multilayer films as backflushable nanofiltration membranes with tunable hydrophilicity and surface charge [PDF]
, 2010 A diverse set of supported polyelectrolyte multilayer (PEM) membranes with controllable surface charge, hydrophilicity, and permeability to water and salt was designed by choosing constituent polyelectrolytes and by adjusting conditions of their ...
Aimar, Pierre +4 more
core +4 more sources
Optimisation of Solid-State Batteries: A Modelling Approach to Battery Design
BatteriesSolid-state batteries (SSBs) present a promising advancement in energy storage technology, with the potential to achieve higher energy densities and enhanced safety compared to conventional lithium-ion batteries.
Jan Felix Plumeyer +5 more
doaj +1 more source
Analysis of the Principal’s Leadership Role on Cultural Development
Jurnal Pendidikan dan Kewirausahaan, 2023 Leadership is a process of influencing others towards achieving organizational goals. The most important aspect of the leadership process is the result of a complex series of interactions between the leader, the people being led, and the situation. This
Budi Sulistiyo Nugroho +4 more
doaj +1 more source
Chemical NOx budget in the upper troposphere over the tropical South Pacific [PDF]
, 2000 The chemical NOx budget in the upper troposphere over the tropical South Pacific is analyzed using aircraft measurements made at 6-12 km altitude in September 1996 during the Global Tropospheric Experiment (GTE) Pacific Exploratory Mission (PEM) Tropics ...
Bradshaw, J D +6 more
core +2 more sources
Acta Biologica Sibirica, 2023 Here we overviewed the taxonomic diversity and compiled the checklist of gall-forming poplar aphids (Sternorrhyncha: Aphididae, Pemphigini) in the Asian part of Russia. Overall, 20 species, i.e. 18 Pemphigus and two Thecabius spp.
Nikita S. Babichev +6 more
doaj +1 more source