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Four different purified hyaluronidases have been approved for use in the United States, three of animal origin and one recombinant. They are indicated as adjuvants in subcutaneous fluid administration for achieving hydration, for increasing the dispersion and absorption of other injected drugs, or for improving resorption of radiopaque agents, in subcutaneous urography.
A sulfated battery has higher electrical resistance than an unsulfated battery of identical construction. As related by Ohm's law, current is the ratio of voltage to resistance, so a sulfated battery will have lower current flow. As the charging process continues, such a battery will reach the charger's preset cut-off more rapidly, long before ...
Smart Battery System (SBS) is a specification for managing a smart battery, usually for a portable computer. It allows operating systems to perform power management operations via a smart battery charger based on remaining estimated run times by determining accurate state of charge readings. Through this communication, the system also controls ...
Battery balancing and battery redistribution refer to techniques that improve the available capacity of a battery pack with multiple cells (usually in series) and increase each cell's longevity. [1] A battery balancer or battery regulator is an electrical device in a battery pack that performs battery balancing. [ 2 ]
A valve-regulated lead-acid battery is a battery type that is popular in telecommunications network environments as a reliable backup power source. VRLA batteries are used in the outside plant at locations such as Controlled Environmental Vaults (CEVs), Electronic Equipment Enclosures (EEEs), and huts, and in uncontrolled structures such as ...
Battery recycling is a recycling activity that aims to reduce the number of batteries being disposed as municipal solid waste.Batteries contain a number of heavy metals and toxic chemicals and disposing of them by the same process as regular household waste has raised concerns over soil contamination and water pollution. [1]
Samsung is a major supplier for Apple – first providing memory for the early iPod devices in 2005, [32] and Apple is a key customer for Samsung – in 2012 its component sales were thought to be worth in the region of $8 billion revenue to Samsung [193] – to the point where Apple CEO Tim Cook originally opposed litigation against Samsung ...
The computer has a Zilog Z80 CPU running at 4 MHz, [2] and 64KB of RAM. Sound is produced by a General Instrument AY-3-8910 chip, providing 3 voices with 8 octaves each. [ 2 ] Video is generated by an AMI S68047 chip (quite similar to the Motorola 6847 [ 8 ] ), offering semigraphics in 9 colors, a 128 × 192 mode in 4 colors, or a 256 × 192 ...