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Nike Air Max Sale and D were measured as a
This research note reviews the concepts of ‘underpopulation’ and ‘demographic deficit’. A demographic deficit is defined as existing if there is an endogenous inability in a population to maintain or improve living conditions, either due to a lack of demographic inputs (births and in-migration) or due to other inefficiencies in the population–environment system. Using systems terminology, the paper argues that demographic decline can act as a significant catalyst to environmental degradation. The paper draws on case-study material from the Aragon region of Spain. We describe the first Cheap Air Max Uk investigation of tunnel ionisation and dissociation of D2 in a strong 10 μm laser field. The process begins with the single tunnel ionisation of D2 followed by the subsequent dissociation of the molecular ion and is terminated by a second tunnel Nike Air Max Sale ionisation. The fragments' kinetic energy (KE) and ion yields (D2+ and D+) were measured as a function of the peak intensity. The KE spectrum has two distinguishable maxima corresponding to slow and fast ions. The energy of the slow fragments increases linearly with the laser intensity, whereas the energy of fast fragments is insensitive to this.