The present invention discloses compositions and methods wherein air entrained in cementitious materials at least one air-entraining cement additive is detrained using an ethoxylated, propoxylated fatty alcohol or alkylphenol having robustness for withstanding the harsh temperature and mechanical shearing effects of cement grinding mills. The extrusion apparatus includes an extrusion die mounted with respect to a barrel. Further, the inversion time of the comparator Ci is counted by the timer, the reference voltage is reselected, and the switch to be turned on is determined based on the results of the count. The exchange may operate on an electronic platform. When the rights server grants the authorization, the first identification is replaced with a new identification. Measurement configuration reporting may be reconfigured based on events associated with the one or more serving cells andor one or more serving component carriers, among others.