FIELD: geological acoustics; measurement technology. SUBSTANCE: longitudinal and shift vibrations are excited in tested medium, which have inverse orthogonal polarization. EFFECT: improved efficiency; improved precision of measurements. 3 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPARATUS FOR INVESTIGATING MECHANICAL CHARACTERISTICS OF MATERIALS | 0 |
|
SU1552088A1 |
| SHIFT ULTRASONIC OSCILLATION PICKUP | 0 |
|
SU1018006A1 |
| LATERAL ULTRASONIC-OSCILLATION SELECTOR | 0 |
|
SU785737A1 |
| METHOD FOR DETERMINATION OF ROCK MASS BURST HAZARD | 0 |
|
SU1786273A1 |
| METHOD FOR VIBRATING CEMENTATION OF CASING PIPES IN WELLS | 1992 |
|
RU2094590C1 |
| ULTRASONIC OSCILLATION TRANSDUCER | 0 |
|
SU735990A1 |
| ULTRASONIC MINE PROBE | 0 |
|
SU1557320A1 |
| ULTRASONIC METHOD FOR DETERMINING DIFFERENCE IN PRINCIPAL MECHANICAL STRESSES IN ORTHOTROPIC STRUCTURAL MATERIALS | 2023 |
|
RU2810679C1 |
| PROCESS OF APPLICATION OF ANTICORROSIVE COATINGS | 1991 |
|
RU2026887C1 |
| METHOD FOR WORKING MINING | 1989 |
|
RU2065045C1 |
