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Particle–Particle–Particle–Mesh (P 3 M) is a Fourier-based Ewald summation method [1] [2] to calculate potentials in N-body simulations. [3] [4] [5]The potential could be the electrostatic potential among N point charges i.e. molecular dynamics, the gravitational potential among N gas particles in e.g. smoothed particle hydrodynamics, or any other useful function.
The Martin XP2M-1 A Martin-built P3M-2 at NAS Pensacola Consolidated flying boat produced for evaluation by Japan. The Consolidated P2Y was an American sesquiplane maritime patrol flying boat. The aircraft was also made by Martin as the P3M, as a parasol monoplane, due to the Navy awarding production contracts separately from prototype contracts.
The P-3 was produced in two variants the P-3A (fixed) and the P-3M (mobile) with a transmitter and receiver mounted on separate trucks. [3] Both variants operate in a similar fashion using two mast mounted antennas (transmitter and receiver) composed of Yagi antennas mounted one above the other in the case of the receiver, the radar also used an A-scope display.
Disodium 4,4′-dinitrostilbene-2,2′-disulfonate is an organic compound with the formula (O 2 NC 6 H 3 (SO 3 Na)CH) 2. This salt is a common precursor to a variety of textile dyes and optical brighteners .
The 17 wallpaper groups, with finite fundamental domains, are given by International notation, orbifold notation, and Coxeter notation, classified by the 5 Bravais lattices in the plane: square, oblique (parallelogrammatic), hexagonal (equilateral triangular), rectangular (centered rhombic), and rhombic (centered rectangular).
Consider this a warning. Chinese New Year began on Jan. 29 this year, marking the end of the Year of the Dragon and the beginning of the Year of the Snake.
Disturbing new videos give the clearest view yet of the moment the American Airlines passenger plane and Army helicopter exploded into pieces — sending huge chunks of fiery debris crashing into ...