منابع مشابه
Quantitative Morphology at High Redshifts
The current evidence for morphologically peculiar galaxy populations at high-redshifts is outlined. After describing various techniques which can be used to quantify the importance of "morphological K-corrections", and to objectively classify galaxy morphology in the presence of these biases, it is concluded that observational biases are not sufficient to explain the increase in the fraction of...
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Segmental quantity-the distinction between long and short vowels or geminate and simplex consonants-is preserved under specifiable conditions in reduplication.’ Current nonlinear phonology holds, for a number of compelling reasons, that segmental quantity is represented confrgurationally, in the mapping of phonemic melodies to prosodic templates. The theory also holds that reduplication is acco...
متن کاملQuantitative analysis of colony morphology in yeast.
Microorganisms often form multicellular structures such as biofilms and structured colonies that can influence the organism's virulence, drug resistance, and adherence to medical devices. Phenotypic classification of these structures has traditionally relied on qualitative scoring systems that limit detailed phenotypic comparisons between strains. Automated imaging and quantitative analysis hav...
متن کاملQuantitative Image Analysis with Mathematical Morphology
This papers deals with the analysis of shape and size of the debris particles obtained from wear experiments on polymers using image processing. Two analysis techniques that are very promising in this respect are the morphological pattern spectrum and the Fourier spectrum. They can be used to extract parameters that relate to particle size and shape. We experimentally compare different choices ...
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BACKGROUND An approach to the study of the pharmacokinetics of drugs in the lung is to measure their concentrations in bronchial biopsy specimens. The main criticism of this technique is that bronchial biopsy specimens consist of more than one tissue type and that drugs are often not distributed evenly. The morphology of bronchial biopsy specimens and the distribution of water between the extra...
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ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/189256a0