نتایج جستجو برای: proportion and color
تعداد نتایج: 16847577 فیلتر نتایج به سال:
In pseudoisochromatic stimuli the presence of spatial and luminance noise forces the subject to discriminate the target from the background solely on the basis of chromaticity difference. Color-blind subjects may show difficulty to identify the target due to the elimination of borders and brightness clues caused by the luminance and spatial noise. Few studies have fully described the features o...
background and aims. various methods are used to measure the size and form of the teeth, including the golden proportion, and the width-to-length ratio of central teeth, referred to as the golden standard. the aim of this study was to evaluate the occurrence of golden standard values and golden proportion in the anterior teeth. materials and methods. photographs of 100 dentistry students (50 ma...
Abstract Background: Occupational exposure to styrene can lead to various psychological and somatic complaints including color vision disorder that can occur even in low concentrations. Color vision disease is an early clue for effect of styrene on human, which can be used as an appropriate screening method in workers exposed to styrene. Materials and Methods: Working in waxy foundry is a job...
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Lipases catalyze hydrolysis and synthesis of triacylglycerols. These enzymes,especially the microbial ones, have wide commercial and industrial usage. Bacillus subtilis <span style="color: ...
introduction: there has been an increasing interest in studies dealing with the relationship between mental disorders and color preference. this study was tailored to evaluate color preference or rejection in schizophrenic and normal subjects. materials and method: color preference and rejection of 58 patients with dsm-iv diagnosis of schizophrenia were compared with those of 52 normal subjects...
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