Gwyddoniaeth Deunyddiau a Pheirianneg
Hydrogen
100%
Microbial fuel cells
90%
Volatile fatty acids
85%
Communication
81%
Anaerobic digestion
76%
Thesauri
72%
Semantics
71%
Catalysts
61%
Ligands
56%
Internet of things
51%
Controllers
49%
Millimeter waves
49%
Clay
48%
Fermentation
48%
Monitoring
48%
Temperature
46%
Rain
46%
Multi agent systems
46%
Costs
46%
Fibers
45%
Biomass
45%
Hot Temperature
44%
Hydrogen storage
44%
Lime
42%
Hydrogen production
42%
Carbon
42%
Antennas
41%
Anodes
41%
Substrates
41%
Electrodes
40%
Recovery
40%
Feedback
40%
Biogas
40%
Methane
39%
Gases
38%
Soils
37%
Brick
37%
Sensors
37%
Water
36%
Slags
35%
Authentication
35%
Acids
35%
Renewable energy resources
35%
Nutrients
35%
Fuel cells
35%
Energy efficiency
35%
Internet
34%
Networked control systems
31%
Industry
31%
Lasers
31%
Neural networks
30%
Metals
30%
Electricity
30%
Communication systems
30%
Wastewater
30%
Sewage sludge
30%
Nonlinear systems
29%
Electrodialysis
29%
Adsorption
29%
Experiments
29%
Composite materials
28%
Wavelength
28%
Oxidation
28%
Oxides
28%
Terminology
28%
Resource allocation
28%
Electric potential
28%
Infrared radiation
27%
Aluminosilicates
27%
Sulfates
27%
Concretes
26%
Virtual reality
26%
Satellites
26%
Metadata
26%
Network protocols
26%
Transition metals
26%
Furnaces
26%
Control systems
26%
Ontology
25%
Hydrides
25%
Bandwidth
25%
Interoperability
25%
Molecules
24%
Planning
24%
Scheduling
24%
Binders
24%
Electromagnetic induction
24%
Biofilms
23%
Interferometry
23%
Fuel burners
23%
Ions
23%
Students
23%
Food waste
23%
Imaging techniques
23%
Artificial intelligence
23%
Air
22%
Wastewater treatment
22%
Availability
22%
Mathematical models
22%
Aerosols
22%
Gwyddorau Amgylcheddol a’r Ddaear
radio
58%
outburst
58%
dust
57%
accessibility
54%
Antarctica
54%
anaerobic digestion
52%
GIS
49%
fuel cell
39%
material
39%
biogas
38%
fatty acid
37%
hydrogen
37%
Cretaceous
35%
ejecta
35%
energy
35%
brick
33%
fermentation
30%
services
30%
modeling
29%
clay
29%
product
28%
catchment area
27%
shell
26%
analysis
26%
detection
26%
slag
26%
cement (construction material)
26%
habitat
26%
methane
25%
method
24%
rate
24%
luminosity
24%
reactor
24%
effect
24%
digester
23%
spectroscopy
23%
earthworm
22%
gas
22%
public
22%
Maastrichtian
22%
near infrared
21%
temperature
21%
distribution
21%
lime
20%
volcanic eruption
20%
infrared spectroscopy
20%
geography
19%
alternative energy
19%
stratigraphy
19%
biomass
18%
chemical
18%
methodology
18%
basin
18%
soil
18%
carbon
18%
demand
18%
sewage sludge
18%
service provision
18%
outflow
17%
test
17%
substrate
17%
monitoring
17%
acid
17%
primate
17%
blast furnace
17%
sediment
16%
metal
16%
comparison
16%
cavitation
16%
evaluation
16%
platinum group
16%
masonry
16%
resource
15%
Campanian
15%
estuary
15%
visualization
15%
mineralogy
15%
Jurassic
15%
wastewater
15%
silicate
15%
public transport
15%
cost
15%
food waste
14%
areal interpolation
14%
battery
14%
effluent
14%
wildlife
14%
policy
14%
wavelength
14%
mineral
14%
provenance
14%
public service
14%
paleotemperature
13%
harbor
13%
belemnite
13%
bird
13%
mudstone
13%
wind farm
13%
biofuel
13%
geochemistry
13%
Ffiseg a Seryddiaeth
dust
60%
ligands
52%
symbiotic stars
43%
stars
41%
hydrogen
40%
fibers
38%
ejecta
37%
globular clusters
32%
performance
29%
fuel cells
28%
wavelengths
28%
semiconductor lasers
27%
synthesis
27%
radio emission
26%
novae
24%
lasers
24%
nebulae
23%
volcanic eruptions
23%
cavities
22%
photometry
21%
halos
21%
gases
21%
infrared spectroscopy
20%
radio observation
20%
telescopes
20%
buoyancy
20%
spectroscopy
19%
borohydrides
19%
liquid crystals
19%
photonics
18%
Hubble Space Telescope
18%
rings
18%
output
18%
x rays
18%
expansion
18%
temperature
17%
carbon
17%
metals
17%
crack opening displacement
17%
light curve
16%
emitters
16%
hydrogen production
16%
profiles
16%
thermal emission
15%
rhodium
15%
optical fibers
15%
solid oxide fuel cells
15%
water
15%
planetary nebulae
15%
boron
15%
sensors
15%
adsorption
15%
catalysts
15%
cells
15%
Very Large Array (VLA)
15%
methylidyne
14%
electrodes
14%
communication
14%
energy
14%
estimates
14%
products
14%
silicates
14%
fumes
14%
crystals
14%
Andromeda
13%
molecules
13%
hydrides
13%
high resolution
13%
education
13%
silicon dioxide
12%
luminosity
12%
optimization
12%
characterization
12%
simulation
12%
coke
12%
falling
12%
oxides
12%
nonthermal radiation
12%
interactions
11%
anodes
11%
pulses
11%
recovery
11%
time measurement
11%
light emitting diodes
11%
ovens
11%
costs
11%
reactivity
11%
hydrodynamics
11%
four-wave mixing
11%
interferometry
11%
routes
11%
ejection
11%
ultrasonics
11%
electrolysis
11%
ground state
11%
palladium
11%
acids
11%
shock
11%
radio interferometers
11%
liquids
11%