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A dispersed medium consists of two media that do not mix. More specifically, it contains discrete elements of one medium which are dispersed in a continuous second medium. The two media can be of very different nature. In particular, they can be a gas, a liquid or a solid.
Many materials which we encounter during the day are dispersed media. For example, milk consists of oil drops dispersed in water, fog contains tiny water drops dispersed in air, shaving cream contains bubbles dispersed in a liquid, sand consists of solid grains in air and a kitchen sponge of bubbles dispersed in a solid.
Dispersed media are commonly classified according to the nature of the two media and the volume fraction of the dispersed medium. At very low volume fraction the dispersed objects are not in contact with each other. At intermediate volume fraction they start to be in contact (they jam). And at even higher volume fraction, the dispersed objects deform in a tight packing.
Another classification takes into account the typical size of the dispersed objects. When the objects are very small (typically < 1 micrometer), for example, one speaks of colloids.
The following table provides an overview of the main types of dispersed media.
during the day are dispersedmedia. For example, milk consists of oil drops dispersed in water, fog contains tiny water drops dispersed in air, shaving cream...
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each other so the mat cannot soak up water. Foams are examples of dispersedmedia. In general, gas is present, so it divides into gas bubbles of different...
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specifically tuned to solve problems in a time-harmonic forms, with non-dispersivemedia (a reformulation of the method named Inverse dispersion allows frequency-dependent...
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Connection: Toward a Typology of the Dispersed Citizen". Communication Review. 8. Teresa Orange; Louise O'Flynn (2005). The media diet for kids: a parents' survival...
surfactants to/from the interface. The mechanical properties (rheology) of dispersedmedia such as liquid foams and emulsions is strongly affected by surface...
proposed and demonstrated in, designed to compensate media losses as it propagates through dispersivemedia. Researchers at the University of St. Andrews have...
children's and animated programming was discontinued, with its awards dispersed into the six remaining ceremonies. In response to criticism over the format...
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