Laser additive manufacturing with mixed powders of boron carbide and aluminum alloy is investigated.Parameters such as laser buy pooph power, scan speed, scan pattern, and hatching space are systematically evaluated and optimized to obtain the desired density and porosity.These results show that the AM part contains 20 wt% boron carbide and 80 wt%
In 2020, adult hard ticks (males and females) were collected from great horned owls [Bubo virginianus (Gmelin, 1788)] in the coastal region in southern Brazil.The engorged females were allowed to oviposit in the laboratory and hatched larvae could be obtained.Analyses of the external morphology of the adult ticks revealed that they represent a new
Defensive systems against pathogens are responsible not only for survival or lifetime of an individual but also for the evolution of a species.Innate immunity is expected to be more important for invertebrates than mammals, given that adaptive immunity has not been acquired in the former.Toll-like receptors knesko coupon code (TLRs) have been shown