Reproduction and immunity are fitness-related traits that trade-off with each other.Parasite-mediated theories of sexual selection suggest, however, that higher-quality males should suffer smaller costs to reproduction-related traits and behaviours (e.g., sexual display) from an immune challenge because these males possess more resources with which
Directions (styles) in culture have different reserves of strength and different inertia.Among them there is a unique ultrastar dc hc550 one capable of revival.It is classicism, which is characterized by a timeless understanding of the laws of harmony and beauty based on the forms and images of ancient art of Greece and Rome.Classicist thinking and
Considering the distribution of adhesive force varying with the axle load, the arithmetic of axle load transfer should beimproved.Taking a six-axis and a four-axis locomotive as 15-eg1053cl cases respectively, arithmetic with considering and no considering adhesive forcedistribution was compared, the results of which showed that max wheel-set load-
Antimicrobial resistance has gained global notoriety due to its public health concern, the emergence of multiple drug-resistant bacteria, and lack of new antimicrobials.Extended-spectrum beta-lactamase (ESBL)/ampicillin Class C (AmpC)- producing Escherichia coli and other zoonotic pathogens can be transmitted to humans from animals either through t