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The highest transition temperature (by June 2009) T c = 11.5 K is achieved in CaC 6, and it further increases under applied pressure (15.1 K at 8 GPa). [67] Graphite's ability to intercalate lithium ions without significant damage from swelling is what makes it the dominant anode material in lithium-ion batteries.
Typically there are two or three pairs of two magnets in the form of rings made of plastic impregnated with a magnetic material, with their magnetic fields parallel to the planes of the magnets, which are perpendicular to the electron gun axes. Often, one pair of rings has 2 poles, another has 4, and the remaining ring has 6 poles. [443]
A unit of area traditionally defined as the area of one chain (66 feet) by one furlong (660 feet), equivalent to 43,560 square feet (0.001563 sq mi; 4,047 m 2), or about 0.40 hectare. acreage A quantity of land; several acres considered collectively, united by their ownership, management, usage, geographical location, or some other unifying ...
Additionally, the area between the two perpendicular sets of "5-metre" lines (i.e. 5 metres from each sideline and 5 metres from each goal line) is designated the "scrum zone". Where an offence occurs outside this area and the non-infringing side wishes to pack a scrum, the mark of the scrum will be moved into the zone by the referee.
In the northern hemisphere, if the watch is rotated so that the hour hand points toward the Sun, the point halfway between the hour hand and 12 o'clock will indicate south. For this method to work in the southern hemisphere, the 12 is pointed toward the Sun and the point halfway between the hour hand and 12 o'clock will indicate north.