rarefaction


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rarefaction

 [rar″ĕ-fak´shun]
the condition of being or becoming less dense.

rar·e·fac·tion

(rār'ĕ-fak'shŭn),
1. The process of becoming light or less dense; the condition of being light; opposed to condensation.
2. In vascular physiology, the process that results in a reduction in the density of capillaries in a tissue.
[L. rarus, thin, scanty + facio, to make]

rarefaction

/rar·e·fac·tion/ (rar″ĭ-fak´shun) condition of being or becoming less dense.

rarefaction

[rer′əfak′shən]
reductions of density of a medium at a location in the medium accompanying the cyclic pressure reductions during the passage of a sound wave.

rar·e·fac·tion

(rār'ĕ-fak'shŭn)
1. The process of becoming light or less dense.
2. The condition of being light; opposed to condensation.
[L. rarus, thin, scanty + facio, to make]

rarefaction

the condition of being or becoming less dense.
References in periodicals archive ?
Comparison by the rarefaction method based on the number of samples, the accumulated richness of three wind farms located in rural municipality of Marmeleiro, Parana (March-September, 2013).
In our study, the observed diversity in the smaller community did not reach the 95 % confidence interval of the larger community, by rarefaction technique.
the two rarefaction wave curves can be expressed, respectively, by
We used rarefaction analysis to compare all diversity indices to the same number of individuals sampled, and based on this analysis, it was clear that a plateau phase was reached as for the whole archipelago, despite the samples of the various single sites were not equally reliable (Fig.
And the sterilization mill of the Pacific Colony was not far removed from the celebrity enclave of the Malibu Colony--in name and geographical proximity, but also in the disparate fantasies of asylum and social rarefaction haunting those places.
Rarefaction of peritubular capillaries following ischemic acute renal failure: A potential factor predisposing to progressive nephropathy.
In the foreign research databases could be found lots of testimonies that high blood pressure is directly related to the rarefaction of capillary density in body tissues [3-5].
From the phenotypic similarity dendogram, groups with 80% similarity were chosen and used as operational taxonomic units (OTUs) to calculate the richness, Shannon's diversity index and the evenness index in addition to their use in rarefaction analysis.
Monoaural auditory stimulus comprising rarefaction clicks of 100 ms was delivered through electrically shielded earphones at the rate of 11.
Among the topics are a variational approach to elliptic equations; global and blow-up solutions for Kuramoto-Sivashinsky, Navier-Stokes, and Burnett equations; two types of blow-up patterns in semilinear fourth-order hyperbolic equations; and shock, rarefaction, and blow-up waves in higher-order nonlinear dispersion PDEs.
In the group 1 distinct changes were observed, such as cortical focuses of tissue rarefaction of different intensity and extension (Figure 1).