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Diameter of a carbon nanotube [12] Diameter of smallest transistor gate (as of 2016) [13] 2 nm Diameter of the DNA helix [14] 2.5 nm Smallest microprocessor transistor gate oxide thickness (as of January 2007) [citation needed] 3.4 nm Length of a DNA turn (10 bp) [15] 6–10 nm Thickness of cell membrane: 10 −8: 10 nm: 10 nm
Each cell needs around 1 cm 3 of air per minute at a 10 mA discharge rate. These cells are commonly used in hearing aids. A sealing tab keeps air out of the cell in storage; a few weeks after breaking the seal the electrolyte will dry out and the battery becomes unusable, regardless of use. Nominal voltage on discharge is 1.2 V.
A primitive cell is a unit cell that contains exactly one lattice point. For unit cells generally, lattice points that are shared by n cells are counted as 1 / n of the lattice points contained in each of those cells; so for example a primitive unit cell in three dimensions which has lattice points only at its eight vertices is considered to contain 1 / 8 of each of them. [3]
tech: approximate lower limit of power reception on digital spread-spectrum cell phones 10 −12: pico-(pW) 1 × 10 −12: −90 dBm biomed: average power consumption of a human cell: 10 −11: 1.84 × 10 −11: −77 dBm phys: power lost in the form of synchrotron radiation by a proton revolving in the Large Hadron Collider at 7000 GeV [6] 2.9 ...
The first group of metric units are those that are at present defined as units within the International System of Units (SI). In its most restrictive interpretation, this is what may be meant when the term metric unit is used. The unit one (1) is the unit of a quantity of dimension one. It is the neutral element of any system of units. [2]
However, the names of all SI mass units are based on gram, rather than on kilogram; thus 10 3 kg is a megagram (10 6 g), not a *kilokilogram. The tonne (t) is an SI-compatible unit of mass equal to a megagram (Mg), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes.
The largest deployment of micro-CHP is in Japan in 2009 with over 90,000 units in place, [17] with the vast majority being of Honda's [31] "ECO-WILL" type. [32] Six Japanese energy companies launched the 300 W–1 kW PEMFC / SOFC ENE FARM [ 33 ] [ 34 ] product in 2009, with 3,000 installed units in 2008, a production target of 150,000 units for ...
1,099,511,627,776 bits (128 gibibytes) – estimated capacity of the Polychaos dubium genome, the largest known genome. The storage limit for ATA-1 compliant disks introduced in 1994. 1.6 × 10 12 bits (200 gigabytes) – capacity of a hard disk that would be considered average as of 2008.