نتایج جستجو برای: patchy pattern
تعداد نتایج: 352695 فیلتر نتایج به سال:
The precision anticipated from next-generation cosmic microwave background (CMB) surveys will create opportunities for characteristically new insights into cosmology. Secondary anisotropies of the CMB have an increased importance in forthcoming surveys, due both to cosmological information they encode and role play obscuring our view primary fluctuations. Quadratic estimators become standard to...
BACKGROUND Congenital melanocytic nevi (CMN) are present at birth. It is well known that the presence of large-sized congenital nevus in early life could predict a major risk of developing melanoma. OBJECTIVE To investigate the clinical and dermoscopic features of the CMN, to search for and highlight any differences between small-sized, medium-sized, large-sized CMN. METHODS A nonrandomized...
We report the case of a 59 year old woman who developed cough, dyspnoea and fever with patchy migratory airspace infiltrates, 2 months after right breast radiation therapy for breast carcinoma. Lung infiltrates were initially localized in the irradiated area and spread to the contralateral lung. Lung biopsy, performed in an unirradiated area of the contralateral lung 9 months after completion o...
Open lattices are characterized by low-volume-fraction arrangements of building blocks, low coordination number, and open spaces between building blocks. The self-assembly of these lattices faces the challenge of mechanical instability due to their open structures. We theoretically investigate the stabilizing effects of entropy in the self-assembly of open lattices from patchy particles. A prel...
Almost all the X-ray afterglows of gamma-ray bursts (GRBs) observed by the Swift satellite have a shallow decay phase in the first thousands of seconds. We show that in an inhomogeneous jet (multiple-subjet or patchy-shell) model the superposition of the afterglows of off-axis subjets (patchy shells) can have the shallow decay phase. The necessary condition for obtaining the shallow decay phase...
Patchy colloids are promising candidates for building blocks in directed self-assembly, but large scale synthesis of colloids with controlled surface patterns remains challenging. One potential fabrication method is to self-assemble the surface patterns themselves, allowing complex morphologies to organize spontaneously. For this approach to be competitive, prediction and control of the pattern...
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