Background: Menkes disease (MD) is an X-linked recessive neurodegenerative disorder caused by mutations in ATP7A gene.Depending on the residual ATP7A activity, manifestation may be classical MD, occipital horn syndrome, or distal motor neuropathy.Neurological sparing is expected in female carriers.However, on rare occasions, females may manifest wi
Nanofluid is considered to be a new generation heat transfer medium which has attracted significant attention from the research community for the past two decades due to its reported high effectiveness in various heat transfer applications.Dispersed solid nanoparticles with enhanced thermal conductivity in base fluid possess substantial competence
The title triterpene, C30H50O2, is Vacuum Cartridge Filter an 18α-oleanane derivative prepared by the Wagner–Meerwein rearrangement of betulin with Bi(OTf)3.xH2O (OTF is trifluoromethanesulfonate).There are two symmetry-independent molecules in the asymmetric unit that show no significant differences concerning bond lengths and a
The advent of e-commerce has prompted many manufacturers to redesign their traditional channel structure by engaging in direct sales.In this paper, we present a dual channel inventory model based on queuing theory in a manufacturer-retailer supply chain, consisting of a traditional retail channel and a direct channel which stocks are kept in both u