نتایج جستجو برای: adapted morphology
تعداد نتایج: 223229 فیلتر نتایج به سال:
Our concept of intelligence is changing. Embodiment has led to the rise of morphologies in Artificial Intelligence (AI) research. This thesis focuses on two research questions: 1) How can system morpholo gies, well-adapted to changing environments, be designed? 2) How can adaptive behaviour be generated through morphology? It is the fundamental argument of this thesis that morphological plasti...
Populations receiving high maladaptive gene flow are expected to experience strong directional selection-because gene flow pulls mean phenotypes away from local fitness peaks. We tested this prediction by means of a large and replicated mark-recapture study of threespine stickleback (Gasterosteus aculeatus) in two stream populations. One of the populations (outlet) experiences high gene flow fr...
ABSTRACT Postgraduate medical education faces ongoing disruption due to the COVID-19 pandemic, with specific challenges in providing training laboratory medicine. We report an online approach that has enabled us continue deliver haematology morphology a teaching hospital setting. The method described is associated high levels of participant satisfaction and could easily be adapted for ...
Dendritic cells (DCs) play a critical role as APCs in the induction of the primary immune response. Their capacity for Ag processing and presentation is tightly regulated, controlled by a terminal developmental sequence accompanied by striking changes in morphology, organization, and function. The maturation process, which converts DCs from cells adapted for Ag accumulation to cells adapted for...
Porcine epidemic diarrhea virus (PEDV) was adapted to serial propagation in Vero cell cultures by adding trypsin to the medium. PEDV-infected cells showed a distinct cytoplasmic fluorescence when examined by a fluorescent-antibody-staining technique. Cytopathic effects, such as vacuolation, formation of syncytia, and fusion of cells, were detected even at passage 1 of the PEDV in Vero cells. On...
We are presenting computational principles for the integration of auditory and visual spatial information, focusing on aspects regarding the formation, alignment and plasticity disparity between auditory and visual topographic maps. These principles are illustrated in the form of a four-layer network associated to two simple, purely local, unsupervised learning rules. Two “external”, independen...
Megaherbivorous dinosaurs were exceptionally diverse on the Late Cretaceous island continent of Laramidia, and a growing body of evidence suggests that this diversity was facilitated by dietary niche partitioning. We test this hypothesis using the fossil megaherbivore assemblage from the Dinosaur Park Formation (upper Campanian) of Alberta as a model. Comparative tooth morphology and wear, incl...
The use of date palm fibres, which are an abundant by-product agriculture, as natural reinforcement in polypropylene (PP) was studied. Because odour emissions one the major challenges for fibre-based composites, emission Volatile Organic Compounds (VOC) generated at different processing steps analysed online. severest degradation on fibre morphology observed injection moulding step, but even wh...
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