Gwyddoniaeth Deunyddiau a Pheirianneg
Hydrogen
100%
Wind power
36%
Electricity
32%
Coke ovens
27%
Hydrogen storage
26%
Power markets
20%
Electric power distribution
20%
Renewable energy resources
18%
Solar energy
18%
Fuel cells
18%
Purification
15%
Hydrogen production
15%
Hydrogen economy
15%
Maximum power point trackers
14%
Gases
12%
Electrolysis
12%
Fossil fuels
10%
Adsorption
10%
Recovery
9%
Scheduling
9%
Active networks
8%
Adsorbents
8%
Carbon
8%
Network management
7%
Power management
7%
Hybrid vehicles
7%
Energy storage
7%
Gas emissions
6%
Hot Temperature
6%
Greenhouse gases
6%
Vacuum
5%
Life cycle
5%
Oxides
5%
Electric power systems
5%
Ffiseg a Seryddiaeth
hydrogen
26%
coke
25%
ovens
23%
electricity
17%
purification
15%
gases
14%
recovery
10%
electrolysis
10%
industrial wastes
10%
adsorbents
9%
optimization
8%
refueling
8%
hydrogen production
8%
grids
8%
carbon
8%
adsorption
8%
electric batteries
7%
solid oxide fuel cells
7%
carbon dioxide
6%
synthesis gas
6%
vehicles
6%
stations
6%
greenhouses
6%
fuel cells
5%
climate change
5%
windpower utilization
5%
cycles
5%
Gwyddorau Amgylcheddol a’r Ddaear
hydrogen
9%
energy supply
7%
research and development
6%
economy
5%
