P1

Science / Tides and Currents / P1: Rate of change (as of January 1, 1900) in mean longitude of solar perigee. P1 = 0.000,001,96° per solar hour.
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P1-Derived Artificial Chromosome (PAC)

Science / Genetics / P1-Derived Artificial Chromosome (PAC): One type of vector used to clone dna fragments (100- to 300-kb insert size: average, 150 kb) in escherichia coli cells. Based on bacteriophage (a virus) p1 genome. MORE

K1

Science / Tides and Currents / K1: Lunisolar diurnal constituent. This constituent, with O1, expresses the effect of the Moon's declination. They account for diurnal inequality and, at extremes, diurnal tides. With P1, it expresses the MORE

Boyles Law

Science / Chemistry / Boyles Law: The pressure of a ideal gas is inversely proportional to its volume, if the temperature and amount of gas is held constant. Doubling gas pressure halves gas volume, if temperature and amount of gas do MORE