Petroleum Articles

• Thermodynamics
  Nature of Water
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  Sports Science
  Inorganic Chemistry
  Chemistry
   
  

  Heat

  In physics, heat is a form of energy associated with the motion of atoms, molecules and other particles which comprise matter; generally defined as energy in motion. The amount of heat exchanged by ... > more
• Engineering
  Civil Engineering
  Energy Technology
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  Thermodynamics
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  Mechanical engineering

  Mechanical engineering is a very broad field of engineering that involves the application of physical principles for analysis, design, manufacturing, and maintenance of mechanical ... > more
• Nature of Water
  Quantum Physics
  Aviation
  Inorganic Chemistry
  Chemistry
  Vehicles
   

  Shock wave

  In a supersonic flow the compression of a nonreacting gas can be most simply modelled as an isentropic or Prandtl-Meyer compression, or as a shock wave. When an object (or disturbance) moves faster ... > more
• Weapons Technology
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  Aviation
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  Projectile

  A projectile is any object sent through space by the application of a force. In a general sense, even a football or baseball may be considered a projectile, but in practice most projectiles are ... > more
• Vitamin D
  Medical Imaging
  Thermodynamics
  Medical Technology
  Weapons Technology
  Gene Therapy
   
  

  Ionizing radiation

  Ionizing radiation is a type of particle radiation in which an individual particle (for example, a photon, electron, or helium nucleus) carries enough energy to ionize an atom or molecule (that is, ... > more
• Healthy Aging
  Attention Deficit Disorder
  Food Additives
  Sports Science
  Sports Medicine
  Chemistry
   
  

  Chlorine

  Chlorine is the chemical element with atomic number 17 and symbol Cl. It is a halogen, found in the periodic table in group 17. As the chloride ion, which is part of common salt and other compounds, ... > more
• Alternative Fuels
  Chemistry
  Sports Science
  Inorganic Chemistry
  Graphene
  Nature of Water
   
  

  Cerium

  Cerium is a chemical element in the periodic table that has the symbol Ce and atomic number ... > more
• Spintronics
  Graphene
  Materials Science
  Chemistry
  Physics
  Sports Science
   
  

  Germanium

  Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. This is a lustrous, hard, silver-white, metalloid that is chemically similar to tin. Germanium forms ... > more
• Chemistry
  Inorganic Chemistry
  Sports Science
  Materials Science
  Graphene
  Organic Chemistry
   
  

  Titanium

  Titanium is a chemical element in the periodic table that has the symbol Ti and atomic number 22. It is a light, strong, lustrous, corrosion-resistant (including resistance to sea water and chlorine) ... > more
• Energy Technology
  Electricity
  Spintronics
  Inorganic Chemistry
  Sports Science
  Physics
   
  

  Electrical conduction

  Electrical conduction is the movement of electrically charged particles through a transmission medium. The movement can form an electric current in response to an electric field. The underlying ... > more

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