In 1962 Professor F.Stockmans, of the Institut Royal des Sciences Naturelles de Belgique, kindly sent me for study two insects from Upper Carboniferous deposits in Northern Spain.One of these (no.94.837), from the Mine de Poleiro, is part of a cockroach tegmen, which cannot be placed with certainty even to family level.The other specimen (no.97.587
This paper uses practical experimentation to analyse the effect of replacing SF6 with pure CO2 in conventional gas insulated transmission line sections by studying partial discharge measurements taken with applied voltages up to 242 kV (rms).The results can also help in understanding the properties of new alternative gas mixtures which can be utili
BackgroundTraumatic brain injury (TBI) may be a risk factor for criminal behaviour however multiple factors potentially confound the association.MethodsRecord linkage and Cox proportional hazards regression analyses were used to examine the association between hospital-recorded TBI (n = 7,694) and subsequent first criminal conviction in a retrospec