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In this work, a facile synthesis route was applied to fabricate nanoporous copper (NPC). As-sintered AlCu bulk alloys with (or without) NaCl that were fabricated by powder metallurgy were taken as precursors during the preparation of NPC via chemical dealloying. The effects of NaCl in the alloys on precursors and products were investigated. Scanning electron microscope (SEM) examinations showed that...
Gut microorganisms are thought to play a role in the degradation of plant secondary metabolites in herbivores. Here, we examined the presence of tannin–degrading microorganisms in the gut of two herbivores, plateau pikas (Ochotona curzoniae) and root voles (Microtus oeconomus). Tannase activity in the feces of wild plateau pikas and root voles increased from June to August, corresponding to the increase...
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