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  2. Squalane - Wikipedia

    en.wikipedia.org/wiki/Squalane

    Squalane is the organic compound with the formula ((CH 3) 2 CH(CH 2) 3 CH(CH 3)(CH 2) 3 (CH 2) 3 CH(CH 3)(CH 2) 2) 2. A colorless hydrocarbon, it is the hydrogenated derivative of squalene, although commercial samples are derived from nature. [3] In contrast to squalene, due to the complete saturation of squalane, it is not subject to auto ...

  3. Melting curve analysis - Wikipedia

    en.wikipedia.org/wiki/Melting_curve_analysis

    Melting curve analysis is an assessment of the dissociation characteristics of double-stranded DNA during heating. As the temperature is raised, the double strand begins to dissociate leading to a rise in the absorbance intensity, hyperchromicity. The temperature at which 50% of DNA is denatured is known as the melting temperature. Measurement ...

  4. Squalene - Wikipedia

    en.wikipedia.org/wiki/Squalene

    Squalene is an organic compound.It is a triterpene with the formula C 30 H 50.It is a colourless oil, although impure samples appear yellow. It was originally obtained from shark liver oil (hence its name, as Squalus is a genus of sharks).

  5. Everything to Know About Squalane, the Skincare Ingredient ...

    www.aol.com/everything-know-squalane-skincare...

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  6. Tammann and Hüttig temperatures - Wikipedia

    en.wikipedia.org/wiki/Tammann_and_Hüttig...

    Tammann temperature was pioneered by German astronomer, solid-state chemistry, and physics professor Gustav Tammann in the first half of the 20th century. [1]: 152 He had considered a lattice motion very important for the reactivity of matter and quantified his theory by calculating a ratio of the given material temperatures at solid-liquid phases at absolute temperatures.

  7. Joback method - Wikipedia

    en.wikipedia.org/wiki/Joback_method

    The Joback method, often named Joback–Reid method, predicts eleven important and commonly used pure component thermodynamic properties from molecular structure only. It is named after Kevin G. Joback in 1984 [1] and developed it further with Robert C. Reid. [2] The Joback method is an extension of the Lydersen method [3] and uses very similar groups, formulas, and parameters for the three ...

  8. Liquidus and solidus - Wikipedia

    en.wikipedia.org/wiki/Liquidus_and_solidus

    The solidus temperature specifies the temperature below which a material is completely solid, [2] and the minimum temperature at which a melt can co-exist with crystals in thermodynamic equilibrium. Liquidus and solidus are mostly used for impure substances (mixtures) such as glasses , metal alloys , ceramics , rocks , and minerals .

  9. Stefan problem - Wikipedia

    en.wikipedia.org/wiki/Stefan_problem

    The most well-known form of Stefan problem involves melting via an imposed constant temperature at the left hand boundary, leaving a region [; ()] occupied by water. The melted depth, denoted by s ( t ) {\displaystyle s(t)} , is an unknown function of time.