Earth & Environmental Sciences
ground penetrating radar
100%
hyporheic zone
65%
electrical resistivity
60%
ethylene
45%
hydraulic fracturing
45%
tomography
41%
soil loading
38%
volcaniclastic deposit
35%
brownfield site
35%
fracture network
35%
electrical method
33%
shale gas
33%
monitoring
33%
supercritical flow
32%
geophysical survey
31%
time domain reflectometry
30%
luminescence dating
29%
natural attenuation
29%
reinforced concrete
27%
trichloroethylene
26%
modeling
25%
pollutant
24%
plume
23%
tsunami
23%
stiffness
23%
porewater
23%
comparison
22%
aquifer
22%
dissolved organic carbon
22%
permittivity
22%
void
22%
magnetite
21%
Indian Ocean
21%
sensitivity analysis
20%
pumping
20%
subsidence
20%
sediment
19%
borehole
19%
diabase
17%
electrical conductivity
17%
nitrate
17%
basin
15%
method
15%
clay
15%
backfill
15%
baseflow
15%
soil
15%
legislative authority
14%
in situ
14%
detection
13%
Engineering & Materials Science
Stem cells
67%
Smart Biomaterials
48%
Natural attenuation
47%
Tomography
45%
Sludge digestion
45%
Messenger RNA
41%
Heat exchangers
41%
Macrophages
40%
Geothermal heating
39%
Bioreactors
38%
Byproducts
36%
Sewage sludge
35%
Abutments (bridge)
34%
Ground penetrating radar systems
32%
Surface waters
32%
Magnetite
32%
Subsidence
30%
Tissue engineering
29%
Numerical models
28%
District heating
28%
Osteoblasts
26%
Electric Conductivity
26%
Soils
26%
Boreholes
26%
Economic analysis
26%
Aquifers
24%
Thermoanalysis
24%
Fiber optics
24%
Permittivity
23%
Clay
23%
Impurities
22%
Hot Temperature
22%
Monitoring
21%
Imaging techniques
18%
Pipelines
18%
Cathodes
17%
Plastics
17%
Polymers
17%
Bone
17%
Composite materials
17%
Stiffness
16%
Rivers
15%
Aerobic bacteria
15%
High density polyethylenes
14%
Steel
13%
Biotransformation
13%
Solute transport
13%
Soil structure interactions
12%
Optical fibers
12%
Current density
11%
Chemistry
Osteogenic
70%
Electromagnetic Wave
32%
Metabolic
29%
Pipeline
27%
Ethene
26%
Culture Media
25%
Magnetite
24%
Dielectric Property
23%
Current Density
21%
Dielectric Constant
21%
Electric Field
21%
Biomaterial
20%
Soil
20%
Velocity
19%
Composite Material
19%
Reflection
18%
Surface Water
18%
Luminiscence Type
16%
Strain
16%
Application
16%
Fiber
15%
Chemical Transformation
15%
Drug Implant
14%
Behavior as Electrode
11%
Mixture
10%
Cathode
10%
pH Value
10%
Sodium Pyruvate
9%
Microfiber
9%
Electricity
8%
Quartz
8%
Filament
7%
Polypyrrole
7%
Crystalline Texture
7%
Volume
7%
Ecosystem
7%
Biocompatible Material
7%
Magnetic Loss
7%
Environment
6%
Bioreactors
6%
Groundwater
6%
Hydrogel
6%
Residence Time
6%
Fermentation
5%
Heterogeneity
5%
Conductivity
5%
Hematite
5%
Strength
5%