Earth & Environmental Sciences
plasma technology
46%
fish culture
43%
water
40%
eel
36%
disinfectant
36%
ecotourism
35%
urban water
34%
city
34%
water scarcity
34%
flotation
29%
aeration
28%
peat
28%
chlorine
27%
tourism
27%
mass transfer
26%
water quality
24%
ozone
24%
drinking water
23%
aquaculture
22%
wastewater
20%
water treatment plant
20%
sanitation
19%
bubble
16%
gas
15%
disinfection
15%
bacterium
12%
dissolved oxygen
11%
organic nitrogen compound
11%
water supply
11%
parameter
10%
need
10%
microbiology
8%
effect
8%
commodity
8%
charcoal
7%
raw water
7%
rain water
7%
nitrite
7%
pathogen
7%
liquid
6%
hygiene
6%
pond
6%
carrying capacity
6%
developed country
6%
air
6%
replacement
6%
water budget
6%
water treatment
6%
water use
5%
decomposition
5%
Engineering & Materials Science
Water
100%
Microplastic
52%
Swimming pools
45%
Surface waters
42%
Biofilms
41%
Ozone
38%
Tourism
37%
Wastewater
36%
Wastewater treatment
35%
Purification
34%
Cooling systems
30%
Plasmas
28%
Peat
22%
Sanitation
22%
Water supply
21%
Rivers
20%
Plastics
18%
Washing
17%
Cooling
17%
Pipe
15%
Hot Temperature
14%
Air conditioning
10%
Land use
8%
Water quality
7%
Ozone water treatment
6%
Ecodesign
6%
Heat radiation
5%
Global warming
5%
Ceilings
5%
Rain
5%
Gas emissions
5%
Greenhouse gases
5%
Recycling
5%
Chemical Compounds
Calculation Method
42%
Pipeline
35%
Environment
34%
Groundwater
33%
Surface Water
32%
Wastewater Treatment
30%
Cooling
27%
Pressure
17%
Air Conditioning
13%
Amount
13%
Resistance
6%
Surface
5%