نتایج جستجو برای: volume transition
تعداد نتایج: 569855 فیلتر نتایج به سال:
BACKGROUND In automated peritoneal dialysis (APD) one of the most important factors that influence the efficiency of the treatment is the total volume of dialysate infused per session and the dwell time. This study is aimed at examining the relationships between i.p. pressure (IPP), dialysate flow characteristics, and different dialysate fill volumes in order to optimize APD. METHODS We studi...
The interaction between the peptide melittin from bee venom with multilamellar liposomes of dipalmitoylphosphatidylcholine or egg yolk phosphatidylcholine has been studied by the method of temperature scanning densitometry, yielding information on the specific volume of the association products and on the changes during the thermotropic transition of the lipids. The effects of the interaction w...
landslides are the major natural hazard, causing significant damage to properties, lives and engineering projects in all mountainous areas in the world. in order to estimate the role of the landslides in erosion processes and evaluation of their risks, it is necessary to quantify landslides. this quantifying can be performed by applying the probability distributions that show the landslide size ...
Poly(N-isopropylacrylamide) (PNIPAM) linear chains and spherical microgels were studied using laser light scattering. The volume change associated with the temperature dependence of the hydrodynamic radii of both the linear chains and the spherical microgels is continuous, in contrast to a discontinuous volume phase transition observed for a bulk PNIPAM gel with an identical composition. A reex...
[This corrects the article on p. 15 in vol. 6, PMID: 27073719.].
We study ionic microgel suspensions composed of swollen particles for various single-particle stiffnesses. We measure the osmotic pressure π of these suspensions and show that it is dominated by the contribution of free ions in solution. As this ionic osmotic pressure depends on the volume fraction of the suspension ϕ, we can determine ϕ from π, even at volume fractions so high that the microge...
We calculate the continuum value of the deconfining temperature in units of the string tension for SU(4), SU(6) and SU(8) gauge theories, and we recalculate its value for SU(2) and SU(3). We find that the N -dependence for 2 ≤ N ≤ 8 is well fitted by Tc/ √ σ = 0.596(4) + 0.453(30)/N, showing a rapid convergence to the large-N limit. We confirm our earlier result that the phase transition is fir...
RENiO3 (RE=rare-earth element) and V2O3 are archetypal Mott insulator systems. When tuned by chemical substitution (RENiO3) or pressure (V2O3), they exhibit a quantum phase transition (QPT) between an antiferromagnetic Mott insulating state and a paramagnetic metallic state. Because novel physics often appears near a Mott QPT, the details of this transition, such as whether it is first or secon...
Using Monte Carlo simulations, we investigate the structural characteristics of an interacting hard-sphere system with shifted charge to elucidate the effect of the noncentrosymmetric interaction on its phase behavior. Two different phase transitions are identified for this model system. With increasing volume fraction, an abrupt liquid-to-crystal transition first occurs at a significantly lowe...
Ca₂RuO₄ undergoes a metal-insulator transition at T(MI)=357 K, followed by a well-separated transition to antiferromagnetic order at T(N)=110 K. Dilute Cr doping for Ru reduces the temperature of the orthorhombic distortion at T(MI) and induces ferromagnetic behavior at T(C). The lattice volume V of Ca₂Ru₁-(x)Cr(x)O₄ (0 < x < 0.13) abruptly expands with cooling at both T(MI) and T(C), giving ...
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