P P- P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY
photon
[Discrete concentrations of energy, apparently massless elementary particles, that move at the speed of light. They are the unit or quantum of electromagnetic radiation. Photons are emitted when electrons move from one energy state to another. (From Hawley's Condensed Chemical Dictionary, 11th ed) ( MSH )]
UMLS (CSP) C0086805- Substance
Buy website
Medical Clinic. Optician. Pharmacy. Physician. Travel Agency. Hotel reservation. Child Care. Education. Teachers. Lessons. Tests and Exams. Certification. Shopping Center. Store. Real Estate.Affordable prices from $100.
  |
home
