blast

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blast

1. 
a. the rapid movement of air away from the centre of an explosion, combustion of rocket fuel, etc
b. a wave of overpressure caused by an explosion; shock wave
2. any of several diseases of plants and animals, esp one producing withering in plants

Blast

 

blasting, supplying air or other gases in industrial heat engineering plants in order to ensure or intensify the physicochemical processes taking place in them. The gas is compressed and supplied by means of blowers and compressors. There are two types of blast: cold blast, in which ordinary air is supplied, and hot blast, in which air is preheated to 1100°-1200°C. The substitution of a hot blast for a cold blast in metallurgy has increased the productivity of furnaces.

Blasts with a constant moisture content, which eliminates the adverse effect of moisture variations in ordinary air on smelting conditions, appeared in the 1940’s. Blasts enriched with oxygen to increase the rate of the smelting process began to be widely used in the 1960’s. The highest blast flow rate is characteristic of blast furnaces in which the average amount of gas supplied is 2 m3/min per cu m of furnace working volume (in modern blast furnaces, 6,000–7,000 m3/min, under a pressure of 0.3–0.5 meganewtons per sq m [MN/m2]). The simultaneous supply to the furnace of oxygen-enriched air and of natural gas not only increases the productivity but also reduces the consumption of coke. An oxygen blast supplied from above at a pressure of 0.9–1.5 MN/m2 and a rate of 300–800 m3/min is used in converter production.

blast

[blast]
(computer science)
To release internal or external memory areas from the control of a computer program in the course of dynamic storage allocation, making these areas available for reallocation to other programs.
(engineering)
The setting off of a heavy explosive charge.
(physics)
The brief and rapid movement of air or other fluid away from a center of outward pressure, as in an explosion.
The characteristic instantaneous rise in pressure, followed by a sudden decrease, that results from this movement, differentiated from less rapid pressure changes.

blast

i. The brief and rapid movement of air or other fluid away from a center of outward pressure, as in an explosion.
ii. The characteristic instantaneous rise in pressure followed by a sudden decrease that results from this movement, differentiated from less-rapid pressure changes.

blast

(1)
BLT, used especially for large data sends over a network or comm line. Opposite of snarf. Usage: uncommon. The variant "blat" has been reported.

blast

(2)
[HP/Apollo] Synonymous with nuke. Sometimes the message "Unable to kill all processes. Blast them (y/n)?" would appear in the command window upon logout.
References in periodicals archive ?
Barney was perched in the sink with both taps running full blast.
Audio Cassette: Audio cassette duplication volume is also running full blast -- not bad for a format that many naysayers said would die.
PS - Worryingly, 50 minutes of this at full blast completely failed to dislodge my 16-year-old cat from her sunlit snooze on the sofa.
This, says Baum, indicates that hotspot locations change over time and that the high-speed jets that feed them wriggle in space much as a garden hose flops around when someone turns on the water full blast.
An electrically-operated glass wind stop can be adjusted to three different positions to protect occupants from wind blast or lowered completely so they get the full blast of engine noise.
The sprinklers were on full blast, soaking the beautifully cut turf.
He probs knew he was asking for it when he decided to have a Jesus Christ quote from the Bible tattoed to his body, but the anticipated backlash for Qusai Khouli's outspoken religious statement has come full blast.
e problem was solved when one night he taped the noise coming from next door and the following evening turned the volume up to full blast and went out for a few hours.
The fan just started blowing air full blast whether the switch is set to On, Off, High or Low.
The game at the Stade Velodrome in Marseille is expected to be played in sweltering heat and two-time winners Munster have had the radiators on full blast this week.
Not only do we have to put up with this every day, but also the Customs cars coming to give the lorries the go-ahead to cross the causeway, with their siren in full blast.
This guarantees smooth operation at the port while the process goes full blast.