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Explosive materials are produced in numerous physical forms for their use in mining, engineering, or military applications. The different physical forms and fabrication methods are grouped together in several use forms of explosives. Explosives are sometimes used in their pure forms, but most common applications transform or modify them.
In 1990, 2.1 billion kg of commercial explosives were consumed in the United States (12 m 3 per capita), representing an estimated expenditure of 3.5 to 4 billion 1993 dollars on blasting. In this year the Soviet Union was the leader in total volume with 2.7 billion kg of explosives consumed (13 m 3 per capita), and Australia had the highest ...
The systematic name of this enzyme class is 1,3-beta-D-glucan:phosphate alpha-D-glucosyltransferase. Other names in common use include laminarin phosphoryltransferase , 1,3-beta-D-glucan:orthophosphate glucosyltransferase , and laminarin phosphoryltransferase .
Because they are relatively safe and easy to use, they are often used in the mining industry. [9] There are many different types of water gel explosives for use in different situations. One type, a small diameter slurry explosive, can be used specifically for blasting in coal undercut, midcut, and depillaring areas.
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The velocity of detonation is an important indicator for overall energy and power of detonation, and in particular for the brisance or shattering effect of an explosive which is due to the detonation pressure. The pressure can be calculated using Chapman-Jouguet theory from the velocity and density.
A mining simulator is a type of simulation used for entertainment as well as in training purposes for mining companies. These simulators replicate elements of real-world mining operations on surrounding screens displaying three-dimensional imagery, motion platforms, and scale models of typical and atypical mining environments and machinery. The ...
It is rarely used alone in military operations due to its lower stability, but is primarily used in the main charges of plastic explosives (such as C4) along with other explosives (especially RDX), booster and bursting charges of small caliber ammunition, in upper charges of detonators in some land mines and shells, as the explosive core of ...