Keyphrases
Search Engine
100%
Biological Parents
100%
Tornado
100%
Computer Virus
100%
Abortion
100%
Drinking Age
100%
Warfare
100%
Heat Engine
100%
Virus
94%
Grandparents
50%
Adoptive Parents
50%
Surrogacy
50%
Cookies
50%
Genetic Material
40%
Oxidizer
30%
Zero Emission
30%
Gametes
25%
Caretakers
25%
Stepparents
25%
One-generation
25%
Developed Countries
25%
First-degree Relatives
25%
Nurture
25%
Family Members
25%
Medical Advances
25%
Child Neglect
25%
Ovum
25%
Assisted Reproductive Technology
25%
Caregivers
25%
Insider
25%
Ice Cream
25%
Living Beings
25%
Food Products
25%
Competitive Products
25%
National Law
25%
Relative Weight
25%
Pharmaceutical Industry
25%
Commercial Products
25%
Prepared Foods
25%
Cooking Recipe
25%
DNA Samples
25%
Third Person
25%
Socially Acceptable
25%
Law
25%
Active Ingredients
25%
Group of People
25%
Most Common Form
25%
Cumulonimbus Clouds
21%
Air-breathing Engine
20%
Energy Forms
20%
Mechanical Energy
20%
Chemical Energy
20%
Rocket
20%
Internal Combustion Engine
20%
Immune Response
15%
Induced Abortion
15%
Wind Speed
14%
Cumulus Clouds
14%
Cyclone
14%
Waterspout
14%
Debris
14%
Physiological Processes
14%
United States
12%
Fetus
10%
Norovirus
10%
Virus Spread
10%
Processing Element
10%
Virus Species
10%
Microprocessor
10%
Host Cell
10%
Viral Infection
10%
Virion
10%
Arithmetic Operations
10%
Modern Computer
10%
Peripheral Devices
10%
Birth Control
10%
Miscarriage
10%
Abortion Rate
10%
Unsafe Abortion
10%
Life Form
10%
Output Device
10%
Logic Operation
10%
Hydroelectric Power Generation
10%
Intermediate Energy
10%
Extreme Violence
10%
Atmospheric Nitrogen
10%
Available Energy
10%
Military Targets
10%
Paramilitary Groups
10%
Clockwork
10%
Pneumatic Motor
10%
Alcohol
10%
Greenhouse Gas
10%
Convective Cells
10%
Nuclear Fusion
10%
NOx Emission
10%
Natural Processes
10%
Windup
10%
Fission-fusion
10%
Hydrogen Fuel
10%
Rocket Engine
10%
Chemical Engines
10%
Fuel Components
10%
Earth's Gravitational Field
10%
Submarine
10%
Heat Energy
10%
Atmospheric Gases
10%
Mechanical Motion
10%
Myosin
10%
Molecular Motor
10%
Pure Hydrogen
10%
Fuel Cell
10%
Reaction Mass
10%
Compressed Air
10%
Combustion Chamber
10%
Piston
10%
Gasoline
10%
Crankshaft
10%
Atmospheric Convection
10%
Non-chemical
10%
Military Force
10%
Combustion Products
10%
Nuclear Energy
10%
Newton's Third Law
10%
Nuclear Fission
10%
State Government
10%
Environmental Heat
10%
Combustion
10%
Pure Oxygen
10%
Additional Fuel
10%
Electric Potential Energy
10%
Water Vapor
10%
Elastic Energy
10%
Potential Energy
10%
Electric Motor
10%
Human Nature
10%
War Studies
10%
Cultural Economy
10%
Armed Conflict
10%
Aggression
10%
Insurgency
10%
Socio-ecological
10%
Total War
10%
Mercenaries
10%
Militias
10%
Non-combatants
10%
Electrical Energy
10%
Hydrocarbons
10%
Atmospheric Oxygen
10%
Air Currents
10%
Side Reactions
10%
Earth's Atmosphere
10%
Gaseous Combustion
10%
Nuclear Reactions
10%
Rapid Pressurization
10%
Energy Sources
10%
Industrial Processes
10%
Exhaust Gas
10%
Fuel Oxygen
10%
Biological Systems
10%
Air Ambient
10%
Law of Motion
10%
Thermodynamic Process
10%
Jet Engine
10%
Twister
7%
Condensation
7%
Uruguay
7%
Equator
7%
Western Australia
7%
High Latitude
7%
Whirlwind
7%
Bangladesh
7%
Eastern Australia
7%
Windstorm
7%
Wind-induced Current
7%
Fire Whirl
7%
Multiple Vortices
7%
New Zealand
7%
Southeastern South America
7%
South Africa
7%
Argentina
7%
Blowing
7%
Canada
7%
Europe
7%
North America
7%
Japan
7%
Dust Devils
7%
Balkans
7%
Northern Scandinavia
7%
Meteorology
7%
Spain
7%
Devil
7%
Weather Systems
7%
Funnel-shaped
7%
Spotter
7%
Dust
7%
Tropical Area
7%
Philippines
7%
Reflectance Data
7%
Water Bodies
7%
INIS
tornadoes
100%
abortion
100%
viruses
100%
energy
100%
heat engines
100%
computers
100%
engines
100%
children
100%
warfare
100%
water
75%
heat
60%
air
57%
offsprings
57%
emission
50%
motion
40%
oxygen
40%
fuels
40%
atmospherics
40%
wind
38%
genetics
37%
devices
37%
clouds
35%
humans
34%
motors
30%
oxidizers
30%
females
28%
women
26%
food
24%
animals
23%
dna
20%
birth
20%
rockets
20%
burns
20%
potential energy
20%
internal combustion engines
20%
hydrogen
20%
operation
18%
legal aspects
18%
usa
17%
speed
17%
people
17%
pregnancy
15%
cyclones
14%
surfaces
14%
dusts
14%
ice
14%
mixtures
14%
ova
14%
sperm
14%
gametes
14%
flavor
14%
tissues
14%
additives
14%
pharmaceuticals
14%
weight
14%
yields
14%
cooking
14%
developed countries
14%
males
14%
industry
14%
range
12%
death
12%
size
10%
shape
10%
mouth
10%
cutting
10%
applications
10%
production
10%
economics
10%
muscles
10%
alcohols
10%
gases
10%
mortality
10%
state government
10%
convection
10%
greenhouse gases
10%
mixing
10%
pressurization
10%
combustion chambers
10%
fission
10%
nitrogen
10%
jets
10%
energy sources
10%
thermodynamics
10%
fluorine
10%
pneumatic motors
10%
gravitational fields
10%
pistons
10%
compressed air
10%
fusion (nuclear)
10%
combustion
10%
crushing
10%
electric motors
10%
grinding
10%
carbon dioxide
10%
fuel cells
10%
nuclear reactions
10%
earth atmosphere
10%
combustion products
10%
hydrogen fuels
10%
exhaust gases
10%
rocket engines
10%
myosin
10%
electrochemical engines
10%
nuclear energy
10%
water vapor
10%
power generation
10%
hydrocarbons
10%
gasoline
10%
oxidants
10%
hydroelectric power
10%
submarines
10%
electric potential
10%
host
9%
particles
9%
bacteria
9%
surgery
9%
control
9%
processing
9%
risks
9%
data
7%
meteorology
7%
alps
7%
low-pressure areas
7%
storms
7%
south america
7%
south africa
7%
north america
7%
northern hemisphere
7%
spain
7%
new zealand
7%
steam
7%
japan
7%
travel
7%
reflectivity
7%
velocity
7%
australia
7%
pulses
7%
fires
7%
europe
7%
uruguay
7%
philippines
7%
scandinavia
7%
india
7%
radar
7%
equator
7%
argentina
7%
weather
7%
bangladesh
7%
canada
7%
vortices
7%
intake
7%
esophagus
7%
liquids
7%
hydration
7%
insects
6%
fetuses
6%
units
6%
blood
6%
increasing
6%
drugs
6%
embryos
6%
semiconductor materials
6%
information
6%
transistors
6%
microprocessors
6%
equipment
6%
power
6%
proteins
6%