Gwyddoniaeth Deunyddiau a Pheirianneg
Hydrogen
100%
Microbial fuel cells
90%
Volatile fatty acids
88%
Communication
88%
Anaerobic digestion
79%
Thesauri
75%
Semantics
70%
Catalysts
60%
Ligands
56%
Internet of things
55%
Millimeter waves
51%
Rain
51%
Controllers
49%
Monitoring
48%
Clay
48%
Fibers
48%
Fermentation
47%
Costs
47%
Temperature
46%
Multi agent systems
45%
Antennas
45%
Biomass
45%
Hot Temperature
44%
Hydrogen storage
43%
Carbon
42%
Lime
42%
Substrates
42%
Hydrogen production
42%
Methane
41%
Anodes
40%
Electrodes
40%
Recovery
40%
Feedback
39%
Biogas
39%
Soils
39%
Gases
38%
Sensors
37%
Brick
37%
Authentication
36%
Water
36%
Energy efficiency
36%
Renewable energy resources
35%
Slags
35%
Internet
35%
Acids
35%
Nutrients
35%
Fuel cells
34%
Lasers
32%
Industry
32%
Networked control systems
31%
Neural networks
30%
Metals
30%
Communication systems
30%
Experiments
30%
Electricity
30%
Wastewater
30%
Sewage sludge
29%
Infrared radiation
29%
Nonlinear systems
29%
Electrodialysis
29%
Wavelength
29%
Adsorption
29%
Electric potential
28%
Resource allocation
28%
Composite materials
28%
Oxidation
28%
Bandwidth
28%
Oxides
28%
Terminology
28%
Aluminosilicates
27%
Satellites
26%
Sulfates
26%
Network protocols
26%
Concretes
26%
Virtual reality
26%
Interferometry
26%
Metadata
26%
Transition metals
26%
Furnaces
26%
Food waste
26%
Control systems
25%
Ontology
25%
Hydrides
25%
Interoperability
25%
Molecules
24%
Scheduling
24%
Planning
24%
Economics
24%
Binders
24%
Air
23%
Artificial intelligence
23%
Electromagnetic induction
23%
Biofilms
23%
Satellite links
23%
Fuel burners
23%
Security of data
23%
Ions
23%
Students
23%
Testing
23%
Imaging techniques
22%
Gwyddorau Amgylcheddol a’r Ddaear
radio
58%
outburst
58%
dust
57%
anaerobic digestion
54%
accessibility
54%
Antarctica
54%
GIS
48%
fuel cell
41%
fatty acid
39%
material
39%
biogas
38%
hydrogen
37%
energy
35%
Cretaceous
35%
ejecta
35%
brick
33%
fermentation
30%
services
30%
modeling
29%
clay
28%
product
28%
catchment area
28%
analysis
26%
shell
26%
detection
26%
cement (construction material)
26%
slag
26%
habitat
25%
methane
25%
earthworm
25%
method
24%
effect
24%
rate
24%
luminosity
24%
reactor
24%
digester
23%
spectroscopy
22%
gas
22%
public
22%
Maastrichtian
22%
temperature
21%
near infrared
21%
distribution
20%
lime
20%
volcanic eruption
20%
infrared spectroscopy
19%
geography
19%
soil
19%
alternative energy
19%
chemical
19%
stratigraphy
18%
biomass
18%
basin
18%
methodology
18%
carbon
18%
demand
18%
sewage sludge
18%
service provision
18%
outflow
17%
test
17%
comparison
17%
evaluation
17%
substrate
17%
monitoring
17%
metal
17%
acid
17%
primate
17%
blast furnace
16%
battery
16%
food waste
16%
sediment
16%
cost
16%
public transport
16%
cavitation
16%
platinum group
16%
mineralogy
16%
masonry
15%
silicate
15%
resource
15%
Campanian
15%
wastewater
15%
estuary
15%
visualization
15%
Jurassic
15%
byproduct
15%
policy
14%
areal interpolation
14%
mineral
14%
effluent
14%
wildlife
14%
wavelength
14%
provenance
14%
public service
13%
paleotemperature
13%
harbor
13%
belemnite
13%
bird
13%
mudstone
13%
wind farm
13%
wastewater treatment
13%
Ffiseg a Seryddiaeth
dust
59%
ligands
52%
symbiotic stars
43%
fibers
41%
stars
41%
hydrogen
40%
ejecta
37%
globular clusters
31%
performance
30%
semiconductor lasers
29%
wavelengths
28%
fuel cells
28%
synthesis
26%
radio emission
26%
lasers
25%
novae
24%
nebulae
23%
volcanic eruptions
23%
cavities
21%
photometry
21%
halos
21%
gases
21%
spectroscopy
20%
infrared spectroscopy
20%
radio observation
20%
telescopes
20%
buoyancy
20%
output
19%
borohydrides
19%
liquid crystals
18%
photonics
18%
Hubble Space Telescope
18%
temperature
18%
rings
18%
x rays
18%
expansion
17%
carbon
17%
metals
17%
optical fibers
17%
crack opening displacement
17%
communication
17%
light curve
16%
emitters
16%
hydrogen production
16%
profiles
16%
cells
16%
thermal emission
15%
rhodium
15%
solid oxide fuel cells
15%
water
15%
planetary nebulae
15%
boron
15%
sensors
15%
adsorption
15%
catalysts
15%
Very Large Array (VLA)
14%
methylidyne
14%
electrodes
14%
energy
14%
silicates
14%
estimates
14%
products
14%
fumes
14%
crystals
13%
Andromeda
13%
molecules
13%
hydrides
13%
pulses
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%
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%