| NPN | Non-Protein Nitrogen; ºñ´Ü¹éÁú¼Ò |
|---|---|
| NPN | nonprotein nitrogen |
| NPN | 1-N-phenyl-naphthylamine |
|---|---|
| NPN | non protein nitrogen |
| NPN | non-protein N |
| NPNL | non-pregnant, non-lactating |
| NPN | <abbreviation> Nonprotein nitrogen. (05 Mar 2000) |
|---|
| NPN |
one of the two alternative types of bipolar transistors
Ãâó: en.wikibooks.org/wiki/SA_NCS_Electrical_Technology...
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