Earth & Environmental Sciences
rural electrification
100%
photovoltaic system
88%
economic impact
68%
inhabitant
61%
population density
60%
electrification
55%
gulf
47%
overcrowding
32%
river
31%
pandemics
28%
energy technology
25%
economics
25%
temperature
24%
lighting
24%
credit
23%
purchase
23%
cost
22%
energy
21%
antenna
20%
new technology
20%
alternative energy
20%
economic development
19%
income
18%
effect
15%
consumption
15%
commercialization
12%
need
11%
public
7%
water
6%
industry
6%
coast
6%
Social Sciences
level of reliability
29%
career
27%
engineering
25%
research process
20%
statistical analysis
19%
customer
18%
university teacher
15%
interaction
10%
Group
6%
student
5%
Engineering & Materials Science
Economics
41%
Antenna feeders
21%
Renewable energy resources
17%
Lighting
17%
Costs
16%
Internet
14%
Antennas
13%
