Agricultural and Biological Sciences
Life Cycle Engineering
93%
Life Cycle Impact Assessment
61%
Biofuel
55%
Biogas
45%
Anaerobic Digestion
39%
Pretreatment
35%
Greenhouse Gas
34%
Environmental Sustainability
32%
Case Study
32%
Bioenergy
31%
Methane
27%
Microbial Proteins
26%
Municipal Solid Waste
26%
Climate Change
24%
Chemical Fertilizer
23%
Biodiesel
23%
Protein Concentrates
21%
Neural Network
21%
Tight Junction
21%
Apple Pomace
21%
Consequential Life Cycle Assessment
19%
Watersheds
17%
Application Rate
17%
Biorefining
17%
Grains
17%
Environmental Performance
17%
Protein Sources
16%
Biowaste
16%
Butanol
16%
Single Cell Protein
15%
Pectin
15%
Waste Management
14%
Clover
13%
Bioconversion
12%
Monoculture
12%
Irrigation
10%
Reactive Nitrogen
10%
Coculture
10%
Bioethanol
10%
Manure Management
10%
Biosolid
10%
Farming System
10%
Developmental Stage
10%
Triacetin
10%
Succinic Acid
10%
Antimicrobial Resistance
10%
Milk Production
10%
Energy Efficiency
10%
Decision Support System
10%
Macroalga
10%
Engineering
Life Cycle Impact Assessment
100%
Biorefineries
56%
Anaerobic Digestion
41%
Biodiesel
38%
Biofuel
37%
Municipal Solid Waste
37%
Biogas
35%
Life Cycle Assessment
34%
Human Health
30%
Pretreatment
30%
Fuzzy Inference System
25%
Fuzzy System
25%
Climate Change
25%
Climatic Change
25%
Support System
21%
Compressed Air Motors
21%
Methane
20%
Renewables
20%
Diesel Engine
17%
Artificial Neural Network
17%
Bioenergy
16%
Bioeconomy
16%
Biomethane
14%
Microbial
13%
Application Rate
13%
Sustainable Development
11%
Fuel Production
11%
Environmental Performance
11%
Environmental Benefit
10%
Biotransformation
10%
Renewable Energy
10%
Impact Category
10%
Biogas Production
10%
Vaporization
10%
Bioethanol Production
10%
Exhaust Emission
10%
Synergistic Effect
10%
Waste Treatment
10%
Metaheuristic Optimization
10%
Environmental Enhancement
10%
Gasification Technology
10%
Joints (Structural Components)
10%
Regional Scale
10%
Energy Input
10%
Engine Performance
10%
Supercritical Water Gasification
10%
Adaptability
10%
Biochar
10%
Nanomaterial
10%
Solid Fraction
10%
Earth and Planetary Sciences
Environmental Impact Assessment
77%
Life Cycle Assessment
72%
Biogas
46%
Anaerobic Digestion
32%
Municipal Solid Waste
30%
Environmental Performance
25%
Pretreatment
25%
Waste Water Treatment Plant
21%
China
21%
Human Health
19%
Waste Management
18%
Decision-Support System
17%
Bioenergy
17%
Circular Economy
16%
Environmental Problem
15%
Lactic Acid
15%
Denmark
14%
Gasification
14%
Farmland
14%
Organic Waste
14%
Biofuel
13%
Resource Scarcity
13%
Emissions
12%
Iran
12%
Climate Change
11%
Energy Use
10%
Livestock Breeding
10%
Domestic Waste
10%
Nonpoint Source
10%
Yellow River Basin
10%
Waste Treatment
10%
Water Body
10%
Life Cycle Analysis
10%
Municipal Solid Waste Management
10%
Aquatic Environment
10%
Butene
10%
Fuel Production
10%
Climate Change Mitigation
10%
Biodiesel
10%
Field Experiment
9%
Carbon Dioxide
9%
Combined Heat and Power
9%
Methane
8%
Environmental Pollution
8%
Nitrous Oxide
7%
Vaporization
7%
Wastewater Treatment Plant
7%
Sludge
7%
Global Warming
6%
Energy Demand
6%
