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Increasing global temperature and sea-level rise have led to concern about expansions in the distribution and prevalence of complex-lifecycle parasites (CLPs). Indeed, numerous environmental variables can influence the infectivity and reproductive output of many pathogens. Digenean trematodes are CLPs with intermediate invertebrate and definitive vertebrate(More)
The contents, speciation, source factors and potential ecological risks of the selected metals (Cr, Ni, Cu, Pb, Zn, Cd and As) were analyzed in surface sediments from Daya Bay (DYB). The results show that, with the exception of Pb, metal concentrations have decreased at all sites over the past decade. The distribution features of these concentrations(More)
In this paper,we study the boundary behavior of solutions to boundary blow-up elliptic problems ⎧ ⎪ ⎨ ⎪ ⎩ div(|∇u| m−2 ∇u) ± |∇u(x)| q(m−1) = b(x) f (u), x ∈ Ω, u > 0, x ∈ Ω, u| ∂ Ω = +∞, where Ω is a bounded domain with smooth boundary in R N , m > 1 , q > 0 , b ∈ C α (Ω) , which is positive in Ω and may be vanishing on the boundary and rapidly varying(More)
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