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Now showing items 41-50 of 5759
The effect of development on the direction of evolution: toward a twenty-first century consensus
(Wiley-Blackwell, 2004-07-01)
One of the most important questions in evolutionary biology is: what orients the evolutionary process? That is, what causes evolution to proceed toward certain developmental trajectories, and hence phenotypes, rather than ...
Measuring the employment effects of the rural renewal tax scheme
(Informa UK Limited, 2006-05-01)
The paper presents evidence on the effectiveness of the Rural Renewal Tax Scheme introduced by the Irish Government in 1998. The rationale for the scheme puts the emphasis on new economic activity and economic growth in ...
Variability in maturity and growth in a heavily exploited stock: cod (gadus morhua l.) in the irish sea
(Oxford University Press (OUP), 2004-02-01)
Constant-sign solutions of systems of higher order boundary value problems with integrable singularities
(Elsevier BV, 2006-12-01)
Homotopy and normalization properties for admissible maps
(Elsevier BV, 2005-01-01)
General existence principles for nonlocal boundary value problems withφ-laplacian and their applications
(Hindawi Limited, 2006-01-01)
Health promotion in schools.
(BMJ, 1993-02-20)
Acquisition and analysis of adaptive optics imaging polarimetry data
(EDP Sciences, 1999-07-01)
The process of data taking. reduction and calibration of near-infrared imaging polarimetry data taken with the ESO Adaptive Optics System ADONIS is described. The ADONIS polarimetric facility is provided by a rotating wire ...
On constant-sign periodic solutions in modelling the spread of interdependent epidemics
(Cambridge University Press (CUP), 2006-01-01)
We consider the following model that describes the spread of n types of epidemics which are interdependent on each other:
u(i)(t) = integral(t)(t-r) g(i)(t, s) f(i) (s, u(1)(s), u(2)(s),..., u(n)(s))ds, t is an element of ...