Earth & Environmental Sciences
reactor
68%
reactivation
56%
environmental education
55%
city
51%
disinfection
45%
dose
44%
analysis
39%
irradiation
39%
fungus
35%
biological waste water treatment
35%
province
34%
ethnobotany
34%
biological treatment
33%
reforestation
32%
multicriteria analysis
31%
urban agriculture
29%
damping-off
29%
battery
28%
bacterium
28%
spore
28%
fecal bacterium
26%
kinetics
26%
modeling
25%
energy consumption
25%
climate change
24%
methodology
24%
water
24%
education
24%
repair
24%
basin
23%
subsurface flow
23%
drinking water
23%
sustainable development
23%
zinc
22%
environmental assessment
22%
flora
22%
energy efficiency
21%
wastewater
21%
oxide
21%
waste recovery
20%
substrate
20%
developing world
20%
radium isotope
19%
environmental protection
19%
degradation
19%
human capital
19%
evaluation
19%
oil
19%
pilot plant
19%
environmental performance
18%
data envelopment analysis
18%
concession
17%
economic growth
17%
catalyst
17%
temporal analysis
17%
macroinvertebrate
17%
air quality monitoring
17%
OECD
16%
removal
16%
matrix
16%
flash flood
16%
simulation
16%
cost-benefit analysis
16%
hydrological modeling
16%
drinking water treatment
16%
deforestation
16%
regionalization
16%
rainbow
15%
cost
15%
econometrics
15%
desertification
15%
effect
15%
nitrogen dioxide
15%
water treatment plant
15%
monitoring network
15%
urban waste water
15%
satellite image
15%
soil quality
14%
economic activity
14%
policy
14%
river
14%
lignin
14%
detector
14%
teaching
14%
economy
14%
risk analysis
14%
nitrogen oxides
14%
hydraulics
14%
income
14%
flocculation
14%
wastewater treatment plant
14%
water resource
14%
catchment
14%
sludge
14%
environmental management
14%
damage
13%
organism
13%
labor
13%
Engineering & Materials Science
Biodegradable polymers
43%
Bacteria
42%
Agriculture
41%
Starch
35%
Chlorine
34%
Crops
33%
Sustainable development
31%
Vegetables
30%
Ecosystems
30%
Ultraviolet devices
28%
Escherichia coli
28%
Contamination
27%
Fibers
27%
Energy utilization
26%
Water treatment plants
25%
Water
25%
Potable water
24%
Economics
24%
Environmental technology
24%
Disinfection
23%
Composting
21%
Carbon
21%
Catchments
21%
Heavy ions
20%
Hybrid materials
19%
Reagents
19%
Biodegradability
19%
Polyether ether ketones
19%
Wastewater treatment
19%
Dissolved oxygen
18%
Water resources
17%
Industry 4.0
17%
Dosimetry
17%
Carbon capture
17%
Plastics
17%
Bone
17%
Macros
16%
Knowledge management
15%
Effluents
15%
Education
15%
Environmental impact
15%
Seawater
15%
Climate change
15%
Cellulose
15%
Drainage
15%
Renewable energy resources
15%
Students
14%
Acetylation
14%
Dust
14%
Rivers
13%
Supply chains
13%
Polysaccharides
13%
Lead
13%
pH sensors
12%
Diodes
12%
Acids
12%
Resins
12%
Deep learning
12%
Oxidation
12%
Plasticizers
12%
Pest control
12%
Internet of things
11%
Learning algorithms
11%
Glycerol
11%
Energy efficiency
11%
Detectors
10%
Irradiation
10%
Oils
10%
Disease control
10%
Biopolymers
10%
Polymers
10%
Rain
10%
Decision making
10%
Ion beams
9%
Ionizing radiation
9%
Temperature
9%
Data envelopment analysis
9%
Recovery
9%
Natural fibers
9%
Information analysis
9%
Antennas
9%
Nuclear industry
9%
Finite element method
8%
Communication
8%
Irrigation
8%
Costs
8%
Solubility
8%
Composite materials
8%
Evapotranspiration
7%
Air
7%
Salmonella
7%
Developing countries
7%
Biochemical oxygen demand
7%
Apatite
6%
Runoff
6%
Biodegradation
6%
Food safety
6%
Zoning
6%
Biomass
6%
Biological materials
6%
Agriculture & Biology
Ecuador
100%
Lantana camara
38%
Bambusa oldhamii
25%
Guadua angustifolia
25%
acaricidal properties
23%
Melinis minutiflora
23%
essential oils
23%
lignin
23%
biodiversity
23%
environmental education
22%
chemical composition
21%
desertification
19%
cost benefit analysis
18%
orthopedics
18%
germacrene
17%
air quality
17%
mycobiota
16%
humulene
16%
Trichoderma harzianum
16%
water budget
16%
Phytophthora infestans
16%
ecosystems
15%
economic impact
15%
organic production
14%
forest reserves
14%
Ascomycota
14%
Basidiomycota
14%
methodology
13%
bananas
13%
environmental impact
13%
wastewater
13%
basins
13%
fungi
12%
Drosophila melanogaster
12%
degradation
12%
production technology
11%
urban planning
11%
subsurface flow
11%
Chytridiomycota
10%
potatoes
10%
contingent valuation
10%
time series analysis
10%
violence
10%
Glomeromycota
10%
mental health
10%
monuments
10%
evapotranspiration
9%
forest plants
9%
farms
9%
social benefit
9%
health foods
9%
disasters
9%
crops
9%
monitoring
8%
economic feasibility
8%
solid wastes
8%
technicians
8%
geographic information systems
8%
farm management
8%
soil fungi
8%
high-throughput nucleotide sequencing
8%
hunger
8%
Latin America
8%
economic analysis
8%
infrared spectroscopy
7%
bioremediation
7%
fauna
7%
digital elevation models
7%
viridiflorol
7%
bamboos
7%
cement
7%
species diversity
7%
water
7%
Amblyomma cajennense
7%
dominant species
7%
meteorology
7%
soil
7%
socioeconomics
7%
food security
7%
gardens
6%
developing countries
6%
planning
6%
effluents
6%
economics
6%
nerolidol
6%
population growth
6%
hydrograph
6%
tropics
6%
hydrodistillation
6%
hydrology
6%
Melastomataceae
6%
leaves
6%
farnesene
6%
food industry
6%
orchards
6%
pollution
6%
case studies
6%
steam distillation
5%
climate change
5%
Rhipicephalus microplus
5%