Foreign Particles

Some articles on foreign particles, foreign:

Crystal Growth - Nucleation
... Nucleation can be either homogeneous, without the influence of foreign particles, or heterogeneous, with the influence of foreign particles ... takes place more quickly since the foreign particles act as a scaffold for the crystal to grow on, thus eliminating the necessity of creating a new surface and the incipient surface energy requirements ... A common practice in crystal growing is to add a foreign substance, such as a string or a rock, to the solution, thereby providing nucleation sites for facilitating crystal growth and ...

Famous quotes containing the words particles and/or foreign:

    O my countrymen!—be nice;Mbe cautious of your language;—and never, O! never let it be forgotten upon what small particles your eloquence and your fame depend.
    Laurence Sterne (1713–1768)

    Most of our occupations are low comedy.... We must play our part duly, but as the part of a borrowed character. Of the mask and appearance we must not make a real essence, nor of what is foreign what is our very own.
    Michel de Montaigne (1533–1592)