density effect

density effect

[′den·səd·ē i‚fekt]
(nucleonics)
The reduction in the stopping power of dense materials for relativistic particles that is caused by the reduction of the effective electric field of the particles by the polarization of adjacent atoms.
References in periodicals archive ?
In the context of the information found, may affirm that the stocking density effect over the final weight of the fish may be directly related to growth phase, species, age, size, management and time of year (MATTOS et al.
Analysis of the density effect as a determining factor of the wing-form in the brown pl anthopper Nilaparvata lugens.
However, speakers of German showed the same difference between the two sets of pictures as Spanish speakers did in a picture naming task, which suggested that any explanation of neighborhood density effect may not depend on language-specific properties.
Key words: lemming, cyclic dynamics, lemming-food plant interactions, density effect, Siberian tundra
Statistical evaluation of laser energy density effect on mechanical properties of polyamide parts manufactured by selective laser sintering.
Population density effect on grain yield characteristics in nine tropical maize genotypes.
The lack of density effect has been reported by others (Ballard & Long 1988, Johansson 1992, Baldwin et al.
2003) did not find a density effect for preschool and kindergarten-age children's PA abilities as measured by initial and final phoneme deletion tasks.
where the first-order density effect captures the positive effect (0 [less than] [alpha] [less than] 1) of legitimation on the rate of founding, and the second-order density effect represents the negative effect of competition ([beta] [less than] 0) on the rate.
The density effect was negative and significant for medium isolated and surrounded patches ([t.
Although the range of densities in this period was comparable to that of the previous period (November range: 6-577; April range: 13-562), the weakening of the density effect here suggests that other factors (e.