Chemistry Abbreviations and Acronyms

  1. PMTDI
    Provisional Maximum Tolerable Daily Intake
  2. PMTR
    Photomodulated Thermoreflectance
  3. PN
    Pressure Nominal
  4. PNA
    Peptide Nucleic Acid
  5. PNA
    P-Nitro-Anilide
  6. PNA
    Positive/Negatihe Anomaly
  7. PNA
    Polynuclear Aromatic Compound
  8. PNA
    Positive/Negative Anomaly
  9. PNA
    Paraffins, Naphthenes, and Aromatics (in Petroleum Analysis)
  10. PNA
    Polynuclear Aromatic Compound(s)
  11. PNC
    Parity Nonconservation
  12. PNDDO
    Partial Neglect of Diatomic Differential Overlap
  13. PNDO
    Partial Neglect of Differential Overlap
  14. PNEC
    Predicted No-Effect Concentration
  15. PNG
    Pipeline Natural Gas
  16. PNGV
    Partnership for A New Generation of Vehicles
  17. PNMR
    Proton Nuclear Magnetic Resonance
  18. PNN
    Lead Nickel Niobate
  19. PNNL
    Pacific Northwest National Laboratory
  20. PNO
    Pair Natural Orbital

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