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  2. Silicone gel sheeting - Wikipedia

    en.wikipedia.org/wiki/Silicone_gel_sheeting

    The exact mechanism of action of silicone gel sheeting has not been fully studied. Currently, many proposed mechanisms explain the efficacy of such treatment, including the occlusion and hydration effect, increased body surface temperature, polarized electric charge, immunological effects, etc. [9] The occlusion and hydration effect is the most studied mechanism of action.

  3. Mowag Piranha - Wikipedia

    en.wikipedia.org/wiki/Mowag_Piranha

    The Mowag Piranha is a family of armoured fighting vehicles designed by the Swiss company Mowag (since 2010 General Dynamics European Land Systems – Mowag GmbH).. Five generations of vehicles have been produced, manufactured by Mowag or under licence by other companies such as the LAV, and variants are in service with military forces throughout the world.

  4. T-54/T-55 - Wikipedia

    en.wikipedia.org/wiki/T-54/T-55

    In 1970, new and old T-55 tanks had the loader's hatch modified to mount the 12.7 mm DShK machine gun, to deal with the threat of attack helicopters. Starting in 1974, T-55 tanks received the KTD-1 or KTD-2 laser rangefinder in an armoured box over the mantlet of the main gun, and the R-123 or R-123M radio set. [ 10 ]

  5. Armoured fighting vehicles of the Irish Army - Wikipedia

    en.wikipedia.org/wiki/Armoured_Fighting_Vehicles...

    The Irish Army purchased 2 SISU APCs in 1990 as training vehicles for soldiers preparing for service with UNIFIL. The 2 Irish SISU APCs were sent to Somalia in 1993 for use by Irish troops serving with UNOSOM II and returned to Ireland in 1994. Both Irish SISUs and the 10 UN SISUs in Irish use were fitted with the same Creusot-Loire TL.21.80 ...

  6. Silica gel - Wikipedia

    en.wikipedia.org/wiki/Silica_gel

    Silica gel's high specific surface area—around 750–800 m 2 /g (230,000–240,000 sq ft/oz) [6] —allows it to adsorb water readily, making it useful as a desiccant (drying agent). Silica gel is often described as "absorbing" moisture, which may be appropriate when the gel's microscopic structure is ignored, as in silica gel packs or other ...

  7. VRLA battery - Wikipedia

    en.wikipedia.org/wiki/VRLA_battery

    A 12V VRLA battery, typically used in small uninterruptible power supplies and emergency lamps. A valve regulated lead–acid (VRLA) battery, commonly known as a sealed lead–acid (SLA) battery, [1] is a type of lead–acid battery characterized by a limited amount of electrolyte ("starved" electrolyte) absorbed in a plate separator or formed into a gel; proportioning of the negative and ...

  8. Gel permeation chromatography - Wikipedia

    en.wikipedia.org/wiki/Gel_permeation_chromatography

    Gel permeation chromatography (GPC) has become the most widely used technique for analyzing polymer samples in order to determine their molecular weights and weight distributions. Examples of GPC chromatograms of polystyrene samples with their molecular weights and dispersities are shown on the left.

  9. Gel point - Wikipedia

    en.wikipedia.org/wiki/Gel_point

    In polymer chemistry, the gel point is an abrupt change in the viscosity of a solution containing polymerizable components. At the gel point, a solution undergoes gelation, as reflected in a loss in fluidity. After the monomer/polymer solution has passed the gel point, internal stress builds up in the gel phase, which can lead to volume shrinkage.