Melting, or fusion, is a physical process that results in the phase transition of a substance from a solid to a liquid. The internal energy of a substance is increased, typically by the application of heat or pressure, resulting in a rise of its temperature to the melting point, at which the ordering of ionic or molecular entities in the solid breaks down to a less ordered state and the solid liquefies. An object that has melted completely is molten. Substances in the molten state generally have reduced viscosity with elevated temperature; an exception to this maxim is the element sulfur, whose viscosity increases to a point due to polymerization and then decreases with higher temperatures in its molten state.
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Some articles on melting:
... via SYBR Green, other double-strand specific dyes, or probe-based melting curve analysis has become nearly ubiquitous ... Without probes, amplicon melting (melting and analysis of the entire PCR product) was not generally successful at finding single base variants through melting profiles ... resolution instruments and advanced dyes, amplicon melting analysis of one base variants is now possible with several commercially available instruments ...
... The specific melting process for nanoparticles is currently unknown ... accepts several mechanisms as possible models of nanoparticle melting ... models effectively match experimental data for melting of nanoparticles ...
... Nanoparticle shape impacts the melting point of a nanoparticle ... from a perfect sphere all change the magnitude of melting point depression ... Equation 7 gives a general shape corrected formula for the theoretical melting point of a nanoparticle based on its size and shape ...
... This term is used in the glaciological literature to refer to the melting point of ice under pressure ... increases in the downward direction, the melting temperature of ice decreases ... This pressure melting point can reach values many degrees below 0°C ...
... In genetics, melting DNA means to separate the double-stranded DNA into two single strands by heating or the use of chemical agents, cf ...
More definitions of "melting":
- (adj): Becoming liquid.
Famous quotes containing the word melting:
“Slow, slow, fresh fount, keep time with my salt tears;
Yet slower yet, oh faintly gentle springs:
List to the heavy part the music bears,
Woe weeps out her division when she sings.
Droop herbs and flowers;
Fall grief in showers;
Our beauties are not ours:
Oh, I could still,
Like melting snow upon some craggy hill,
Drop, drop, drop, drop,
Since natures pride is, now, a withered daffodil.”
—Ben Jonson (15721637)
“Fearful of sentimentality, I disown my tears and melting heart.”
—Mason Cooley (b. 1927)
“O ruddier than the cherry,
O sweeter than the berry,
O Nymph more bright
Than moonshine night,
Like kidlings blithe and merry.
Ripe as the melting cluster,
No lily has such lustre,
Yet hard to tame,
As raging flame,
And fierce as storms that bluster.”
—John Gay (16851732)