نتایج جستجو برای: evans index
تعداد نتایج: 404667 فیلتر نتایج به سال:
In the present study, the effect of Datura steramonium (DS) seed extract on acute inflammation induced by formalin injection was investigated. For this purpose, two control and treatment groups were selected and in order to induce pain, formalin (50 µl, 2.5%) was applied to the plantar surface of hind paws. In treatment group, 20-30 min before formalin injection, the DS seed extract was used i....
Evans defined quasigroups equationally, and proved a Normal Form Theorem solving the word problem for free extensions of partial Latin squares. In this paper, quasigroups are redefined as algebras with six basic operations related by triality, manifested as coupled right and left regular actions of the symmetric group on three symbols. Triality leads to considerable simplifications in the proof...
Ocean acidification is expected to have a major effect on the marine carbonate system over the next century, particularly in high latitude seas. Less appreciated is natural environmental variation within these systems, particularly in terms of pH, and how this natural variation may inform laboratory experiments. In this study, we deployed sensor-equipped moorings at 20 m depths at three locatio...
The authors critically examine a 1990 study by Alan W. Evans concerning the assumption of interregional equilibrium in recent migration research. "We here argue that Evans is unconvincing in his primary substantive argument; we provide an alternative reading of the literature that supports this assertion....[We then illustrate] the substantive issues in terms of a simple formal model that allo...
In this paper we define the Evans function for Sturm-Liouville problems. We show that the Evans function is analytic in the spectral parameter, has zeros in one-to-one correspondence with the eigenvalues, and is under certain conditions what we call conjugate symmetric. We conclude by showing that the Evans function can be used to track the movement of the eigenvalues as the coefficients in the...
20. Grayson. D. R., Lee, I,. and Evans, D. R. (1985) J. Biol. Chem. 260, 1584015849 Kelly, R. E., Malley, M. I. and Evans, D. R. (1986) J. Biol. Chem. 261,6073-6083 Sook, H., Kelly, R. E. and Evans, D R. (1992) J. Biol. Chem. 267,7 177-7 184 Lee, L., Kelly, R. E., Pastra-Landis, S. C. and Evans, D. R. (1985) Proc. Natl. Acad. Sci. U.S.A. 82, 6 8 0 2 6 8 0 6 Chen, J. J. and Jones, M. E. (1978) A...
A sidereal rotation counting approach is demonstrated by resolving an ambiguity in the synodic period of Koronis family member (3032) Evans, whose lightcurves' features did not easily distinguish between doubly- and quadruply-periodic. It confirms that Evans's spin rate does exceed rubble-pile barrier thus presents no inconsistency with being a ~14-km reaccumulated object. The full vector solut...
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