Blisters


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Blisters

 

(in Russian, buli), protruding hemispherical objects of thin metal on the sides of heavy cruisers, aircraft carriers, and other large ships, placed at the waterline and below it and extended along two-thirds the length of the ship. In most combat ships blisters serve to defend the basic body of the ship against the explosions of underwater mines or torpedoes. On the inside the blisters are divided by barriers into cells, the outer rows of which are empty, the inner ones being filled with liquid fuel or with special compositions. A significant portion of the energy of an explosion is dispersed in the destruction of the blister and therefore does not reach the main body of the ship. In double-hull submarines the role of the blister is fulfilled by a light hull that is secured to the main solid hull. Blisters contain tanks mainly for water ballast and fuel.

References in periodicals archive ?
However, many studies suggest medication adherence is not necessarily improved by using blister packs.
Young child with impetigo sores and blisters on their face
Activ-Blister solutions are designed to actively control the internal atmosphere/headspace of individual blister cavities without the use of purging, allowing for improved stability and enhanced shelf life.
"Unfortunately, I scratched it a lot in my sleep and woke up with blisters on my leg," she said, adding next morning "there was a start of a really big blister, and my leg was so swollen I couldn't walk."
Cold sores - also called fever blisters - are a common viral infection.
Fast-firing leaves blisters in the glaze that would have healed in a longer firing.
Culture of the blister fluid and the base of an unroofed blister may confirm the presence of a Streptococcus or Staphylococcus species.
* Keep a needle (plus a lighter to sterilize it) handy to drain any blisters and relieve the pressure.
CSP Technologies says it developed Activ-Blister to control the internal atmosphere of existing individual blister cavities, allowing for improved product performance and enhanced shelf life.
When the skin is burned or subjected to pressure or friction, a blister may from as a protective cushion.
There are tangible reductions in overall manufacturing costs achieved by incorporating frangible seal reagent blisters into the testing device.