Stars do not simply pop up on the main sequence.Before the stars arrive on the zero-age main sequence, they form in the collapses of molecular clouds, gain matter through accretion processes, and compress their cores until hydrogen can burn in full equilibrium.Although this evolutionary phase lasts a relatively short time, it is the imprint of thes
Edge effects play key roles in the anthropogenic transformation of forested ecosystems and their biota, and are therefore a prime field of contemporary fragmentation research.We present the first empirical study to address edge effects on the population level of a widespread galling herbivore in a temperate deciduous forest.By analyzing edge effect
Abstract Background To investigate the feasibility of using dual-energy CT (DECT) for tissue segmentation and kilovolt (kV) dose calculations in pre-clinical studies and assess potential dose calculation accuracy gain.Methods Two phantoms and an ex-vivo mouse were scanned in a small animal irradiator with two distinct energies.Tissue segmentation w
The article analyzes domestic and foreign researches in the field of combustion gas cleaning from harmful matters.The drawbacks of the existing methods of cleaning emissions of small-capacity boilers are revealed.The results of the researches conducted by the authors are presented.Complex schemes of cleaning emissions of the industrial boilers of t
Pedro Manuel Baptista,1,2 Sílvia Monteiro,1 Ana Carolina Abreu,1 João Poças,1 Diana José,1 Miguel Lume,1 Maria do Céu Pinto1 1Ophthalmology Department, CURCUMIN Centro Hospitalar Universitário do Porto, Porto, Portugal; 2Instituto de Ciências Biomédicas Abel Salazar, Porto, PortugalCorresponden