| PSD | particle size distribution; peptone, starch, and dextrose; periodic synchronous discharge; phase-sen... |
|---|---|
| TLV-TWA | Threshold Limit Value-Time Weighted Average ; 1 일 8 시간 주 40시간(미국), 주 48시간(한국, 일본)을 기... |
| AWMV | amplitude-weighted mean velocity |
| TWA | time weighted average |
| WPCU | weighted patient care unit |