Engineering & Materials Science
Zinc oxide
100%
Transesterification
95%
Biodiesel
79%
Catalysts
63%
Cooking
53%
Oils
48%
Particle size
28%
Health risks
19%
Medical problems
16%
Zinc
16%
Water content
16%
Ecosystems
16%
Wastewater
16%
Ethanol
15%
Recycling
14%
Contamination
14%
Viscosity
12%
Scanning electron microscopy
11%
Soils
11%
Health
11%
Heating
10%
Energy utilization
10%
Chemical analysis
9%
Water
8%
Industry
6%
Earth & Environmental Sciences
battery
76%
catalyst
67%
zinc
61%
oxide
56%
oil
44%
particle size
21%
material flow analysis
21%
circular economy
19%
ecosystem health
17%
ethanol
14%
health risk
13%
energy consumption
13%
human health
12%
water content
11%
recycling
11%
viscosity
11%
scanning electron microscopy
10%
heating
10%
consumption
10%
health
10%
wastewater
10%
contamination
10%
industry
9%
resource
8%
particle
7%
product
7%
soil
6%
water
4%
method
3%
Chemistry
Transesterification
74%
Zinc Oxide
73%
Biodiesel
39%
Catalyst
31%
Ecosystem
22%
Mining
21%
Energy Consumption
20%
Heterogeneous Catalyst
18%
Recycling
17%
Soil
15%
Environmental Pollutant
15%
Reaction Yield
15%
Wastewater
15%
Industry
13%
Shape
12%
Ethanol
12%
Environment
10%
Purity
9%
Social Sciences
water
39%
heat pump
31%
energy consumption
30%
pollutant
28%
recycling
28%
Ecuador
27%
environmental pollution
26%
health risk
26%
environmental impact
23%
health
23%
economy
15%
industry
14%
resources
10%