| TD | the time required to double the number of cells in a given population; thermal death time |
|---|---|
| UPIN | universal physician identifier number [HCFA] |
| VHN | Vickers hardness number |
| TLV-TWA | Threshold Limit Value-Time Weighted Average ; 1 일 8 시간 주 40시간(미국), 주 48시간(한국, 일본)을 기... |
| AAPCC | adjusted annual per capita cost; adjusted average per capita cost; American Association of Poison Co... |