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HARD ROCK PROPERTY [2 records]
Record 1 - internal organization data 2004-11-12
Record 1, English
Record 1, Subject field(s)
- Geological and Other Scientific Names
Record 1, Main entry term, English
- Hard Rock property
1, record 1, English, Hard%20Rock%20property
correct, Ontario
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
in the Geraldton camp. 1, record 1, English, - Hard%20Rock%20property
Record 1, French
Record 1, Domaine(s)
- Noms géologiques ou scientifiques
Record 1, Main entry term, French
- propriété Hard Rock
1, record 1, French, propri%C3%A9t%C3%A9%20Hard%20Rock
correct, feminine noun, Ontario
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
dans le camp minier de Geraldton. 1, record 1, French, - propri%C3%A9t%C3%A9%20Hard%20Rock
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1989-05-23
Record 2, English
Record 2, Subject field(s)
- Blasting Work (Mining)
Record 2, Main entry term, English
- detonation pressure
1, record 2, English, detonation%20pressure
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The Detonation Pressure is a measure of the pressure in the detonation wave front. It is a function of the(velocity of detonation) and the density of an explosive, and is therefore a very important property, especially in hard rock. At the point where the detonation wave has just completed its passage through the column of explosive and the gases have expanded to fill the borehole and are available to commence their work, the borehole pressure is at its peak value. 2, record 2, English, - detonation%20pressure
Record 2, French
Record 2, Domaine(s)
- Travail aux explosifs (Exploitation minière)
Record 2, Main entry term, French
- pression de détonation
1, record 2, French, pression%20de%20d%C3%A9tonation
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La pression de détonation, sur le front de l'onde de choc, est proportionnelle à la masse volumique, la vitesse de détonation et la vitesse des gaz de détonation, et, comme celle-ci est elle-même proportionnelle à la vitesse de détonation, au carré de celle-ci. Elle est au moins de l'ordre d'une dizaine de mégapascals. (...) Les discontinuités de pression et de température, caractéristiques de l'onde de choc se retrouvent dans le milieu environnant : une faible partie seulement de l'énergie est réfléchie dans la matière explosive (...), mais la plus grande partie est transmise, en fonction d'ailleurs des impédances soniques des différents milieux. 2, record 2, French, - pression%20de%20d%C3%A9tonation
Record 2, Spanish
Record 2, Textual support, Spanish
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