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By Dmitry Yu. Ivanov

This entire systematic review covers the static and dynamic serious phenomena of genuine, non-ideal fluids within the nearest area of the severe element, deals new techniques and offers learn effects at the optimum point. together with either theoretical and experimental researches, it additionally bargains with the serious opalescence as phenomenon with always turning out to be scattering multiplicity upon imminent the severe aspect.

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9) that the character of deviations near the critical point (|τ| > 3 × 10−5 ) is such that they could probably be avoided by using the same small correction, adding it to the values on the liquid branch of the coexistence curve and subtracting it from the gas branch values. Opposite correction signs, here and in the area of strong asymmetry of the coexistence curve (|τ| < 10−5 ), can, in our opinion, be explained by the influence (naturally, weaker) of the gravitational effect. 9 Coexistence curve of SF6 : reduced deviations of calculated density values (Eq.

05 at τ < 5 × 10−4 ) and again on SF6 [98] (it is surprising but historically true that all nontrivial results on the behavior of simple liquids near the critical point were obtained for the first time on SF6 ; of course, this statement is true except of the first result, which discovered the critical point itself, where CO2 was used [7, 8]). Later on, apparently in order to convince themselves of the universality of such behavior, Wagner’s group carried out detailed comparative research on the isothermal compressibility behavior of SF6 and CO2 in vessels of different heights [99].

Moreover, it turned out that |∆µ∗gas | > |∆µ∗liq |. To find this experimental fact requires high sensitivity and precise data, which does not actually happen very often. In the experiment on SF6 (Fig. 13), the same result was obtained [88, 90, 91]. Concerning the discovered deviation from complete antisymmetry of the critical isotherm, the calculated (µ − ρ)-data do not, to our opinion, have enough advantage over the initial (p − ρ)-representation. Therefore, the new analysis [141] of the critical isotherm of SF6 was only carried out with Eq.

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