Earth & Environmental Sciences
selenium
100%
trace element
72%
black shale
69%
tellurium
42%
cobalt
39%
Coal Measures
38%
trace metal
36%
iron oxide
35%
oxygenation
34%
burrow
34%
arsenic
33%
uranium
33%
lava
31%
jarosite
31%
mobilization
29%
titanium
29%
country rock
28%
hydrocarbon
26%
coating
25%
graphite
25%
shale
24%
ore deposit
23%
sandstone
22%
dissolution
22%
crust
19%
red bed
19%
phosphate
18%
metal
18%
mineralization
17%
carbon
17%
lava flow
16%
coal
15%
sediment
14%
magma
13%
pyrite
13%
fixation
13%
seismic data
12%
borehole
12%
lithology
11%
groundwater
11%
nickel
10%
secondary succession
10%
weathering rate
9%
sulfate
9%
ore-forming fluid
9%
oxide
9%
element mobility
8%
geological record
8%
vanadium
8%
nest
8%
protolith
8%
cliff
8%
lithofacies
8%
sulfide
7%
sedimentation rate
7%
Paleocene
7%
Silurian
7%
appraisal
7%
basin
7%
depositional environment
7%
demand
7%
marine sediment
7%
acid mine drainage
7%
regolith
6%
brine
6%
Eocene
6%
environmental assessment
6%
goethite
6%
Triassic
6%
shale gas
6%
resource
6%
Jurassic
6%
environmental management
6%
hydraulic fracturing
5%
resource management
5%
leaching
5%
ore
5%
Cretaceous
5%
reworking
5%
copper
5%
substitution
5%
productivity
5%
well
5%
iron
5%
Engineering & Materials Science
Selenium
94%
Arsenic
44%
Texturing
38%
Uranium
35%
Shale
34%
Hydration
32%
Barreling
31%
Trace elements
31%
Cements
25%
Surface roughness
25%
Coal
24%
Glass
24%
Pyrites
23%
Textures
18%
Phosphates
15%
Portland cement
13%
Groundwater
11%
Costs
11%
Cement additives
10%
Deposits
9%
Chemical analysis
8%
Polishing
8%
Linings
8%
Differential thermal analysis
7%
Carbonation
7%
Electron microscopes
7%
Thermogravimetric analysis
6%
Minerals
6%
Chemical reactions
6%
X ray diffraction
5%
Scanning
5%
Oxides
5%
Curing
5%
Laser ablation
5%
Chemical Compounds
Crystalline Texture
29%
Black
27%
Graphite
22%
Glass
20%
Groundwater
19%
Chemical Element
18%
Compound Mobility
18%
Glass Sphere
16%
Permeability
16%
Surface
15%
Differential Thermal Analysis
14%
Time
14%
Carbon Atom
14%
Curing
13%
Mineral
12%
Phosphate
11%
Polishing
11%
Thermogravimetric Analysis
10%
Additive
10%
Microstructure
10%
Surface Roughness
10%
Strength
9%
Acid Mine Drainage
9%
Scanning Electron Microscopy
9%
X-Ray Diffraction
7%
Weathering
7%
Organic Carbon
6%
Oxide
6%
Remediation
6%
Column Like Crystal
6%
Length
6%
Sedimentation
5%
Iron Oxide
5%
Electron Particle
5%