نتایج جستجو برای: patchy pattern
تعداد نتایج: 352695 فیلتر نتایج به سال:
We describe a simple method based on postadsorption substrate stress induction to modify and control nanoscale phase-separated patterns formed in self-assembled monolayers. We show using mesoscale computer simulations and experiments that this method helps quickly progress a kinetically arrested patchy pattern into the equilibrium striped pattern, which is otherwise difficult to access. This wo...
Pulmonary fibrosis in surgical lung biopsies is said to have a 'usual interstitial pneumonia-pattern' (UIP-pattern) of disease when scarring of the parenchyma is present in a patchy, 'temporally heterogeneous' distribution. These biopsies are one of the more common non-neoplastic specimens surgical pathologists encounter and often pose a number of challenges. UIP is the expected histopathologic...
Effective management and restoration of ponderosa pine forests requires an understanding of the heterogeneity of contemporary and historical stand structures. We assessed spatial and temporal patterns of tree establishment, mortality and size structure over a 30-year period in an old-growth ponderosa pine stand in the mid-montane zone of the Colorado Front Range. We analyzed spatial patterns an...
Spatial patterns of soil properties are linked to patchy vegetation in arid and semi-arid landscapes. The patterns of soil properties are generally assumed to be linked to the ecohydrological functioning of patchy dryland vegetation ecosystems. We studied the effects of vegetation canopy, its spatial pattern, and landforms on soil properties affecting overland flow and infiltration in shrubland...
BACKGROUND AND PURPOSE SAP is a rare lesion of the sinonasal cavity, which may be misdiagnosed as a benign or malignant neoplasm. The purpose of our study was to comprehensively evaluate the MR imaging features of SAP. MATERIALS AND METHODS Forty patients with SAP confirmed pathologically were retrospectively reviewed. Of the 40 patients undergoing MR imaging, 39 had postcontrast T1WI; 30, DC...
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