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DYNAMITE PULVERULENTE [2 records]

Record 1 2003-11-19

English

Subject field(s)
  • Blasting Work (Mining)
  • Explosives and Pyrotechnical Materials (Industries)
DEF

A generic term covering a class of nitro-glycerin-sensitized mixtures of carbonaceous materials (wood, flour, starch) and oxygen-supplying salts, used as explosives for blasting and mining.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
  • Explosifs et artifices (Industries)
CONT

Telle quelle la nitroglycérine se prête mal à l'emploi comme explosif. En 1866, Nobel découvre qu'en incorporant 75 % de nitroglycérine à 25 % d’une terre absorbante, le kieselguhr, on obtient une matière pulvérulente, facile à encartoucher et convenant aux travaux de mine; il nomma cette matière "dynamite"; par la suite, l'acception de ce mot s’est étendue à tout explosif à base de nitroglycérine.

Spanish

Campo(s) temático(s)
  • Trabajo con explosivos (Explotación minera)
  • Explosivos y fuegos de artificio (Industrias)
DEF

Explosivo a base de nitroglicerina.

Save record 1

Record 2 1999-10-21

English

Subject field(s)
  • Blasting Work (Mining)
  • Explosives and Pyrotechnical Materials (Industries)
CONT

Powder explosives. These explosives contain still smaller quantities of liquid products, compared with plastic and semi-plastic explosives, so that the spaces between the solid particles are not filled out entirely. As the result of this the density of the mass is 20 to 40 percent lower than that of plastic and semi-plastic explosives.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
  • Explosifs et artifices (Industries)
CONT

[...] les dynamites pulvérulentes [...] [sont des] dynamites à faible teneur en nitroglycérine (10 à 30 %) et qui ne contiennent pas de quantité importante de dinitrotoluène.

Spanish

Campo(s) temático(s)
  • Trabajo con explosivos (Explotación minera)
  • Explosivos y fuegos de artificio (Industrias)
Save record 2

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