نتایج جستجو برای: patch density pd
تعداد نتایج: 505774 فیلتر نتایج به سال:
Introduction Data examining mammographic breast density (MBD) among patients in Sub-Saharan Africa are sparse. We evaluated how MBD relates to breast cancer characteristics in Kenyan women undergoing diagnostic mammography. Methods This cross-sectional study included women with pathologically confirmed breast cancers (n = 123). Pretreatment mammograms of the unaffected breast were assessed to...
Retrospective assessment of pesticide exposure is complex; however, patterns of pesticide use strongly depend on farming type, which is easier to assess than pesticide exposure. Our aim was to estimate Parkinson's disease (PD) prevalence in five French districts in 2007 among affiliates of Mutualité Sociale Agricole (MSA) and to investigate the relation between PD prevalence and farming type. W...
objectives to explore the effect of a selective 10-week corrective exercise with an emphasis on gait training activities (gta) on the number of falls (nofs), fear of falling, functional balance, timed up and go (tug) test among pd patients. background posture instability and unsteady gait disorders in parkinson’s disease (pd) usually contribute to fall-related fractures. fall-related trauma in ...
An Effective Electrodeposition Mode for Porous MnO2/Ni Foam Composite for Asymmetric Supercapacitors
Three kinds of MnO₂/Ni foam composite electrode with hierarchical meso-macroporous structures were prepared using potentiodynamic (PD), potentiostatic (PS), and a combination of PS and PD(PS + PD) modes of electrodeposition. The electrodeposition mode markedly influenced the surface morphological, textural, and supercapacitive properties of the MnO₂/Ni electrodes. The supercapacitive performanc...
Unknown to the United States three decades ago, Lyme disease is now the most prevalent vectorborne disease in the country. Caused by the bacterium Borrelia burgdorferi, Lyme disease is typically transmitted to humans by the bite of a blacklegged tick (Ixodes scapularis) in the nymph stage. For this reason the density of infected nymphs is considered the most precise ecological indicator of Lyme...
A neural network targeting at unsupervised image anomaly localization, called the PEDENet, is proposed in this work. PEDENet contains a patch embedding (PE) network, density estimation (DE) and an auxiliary location prediction (LP) network. The PE takes local patches as input performs dimension reduction to get low-dimensional embeddings via deep encoder structure. Being inspired by Gaussian Mi...
Let Pd be the set of polynomials over the complex numbers of degree d with all its roots in the unit ball. For f ∈ Pd, let Γf be the set of points for which Newton’s method converges to a root, and let Af ≡ |Γf ∩B2(0)|/|B2(0)|, i.e. the density of Γf in the ball of radius 2 (where | | denotes Lebesgue measure on C viewed as R). For each d we consider Ad, the worst-case density (i.e. infimum) of...
The literature on herbivorous insects in heterogeneous habitats has addressed insect population responses to patch size, distance from source populations, habitat edges, and variation in host stemdensity. Studies typically conclude that insect colonists respondpositively to the area of host plant patches, but there is little consensus on how insects respond to variation in host density at the p...
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