PMC:7796291 / 9166-9501
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T80 | 0-4 | Sentence | denotes | 2.3. |
| T81 | 5-36 | Sentence | denotes | Electrostatic Force Measurement |
| T82 | 37-199 | Sentence | denotes | The surface potential of filter media was measured using an electrostatic voltmeter (Model 542A, Trek, Lockport, NY, USA), by holding the filter media in the air. |
| T83 | 200-335 | Sentence | denotes | A charge-monitoring probe was placed 4 cm above the web surface, and the surface potential was measured by line-scanning over the area. |