نتایج جستجو برای: a color

تعداد نتایج: 13459890  

Background and Aim: The use of composite restorations has increased in recent years. One of the most important problems with composite restorations is the loss of consistency between the composite and tooth color, which in most cases requires replacement. Materials and Methods: In this study, the color stability of 40 disc-shaped specimens (10 mm in diameter and 2 mm in height) from two types ...

Hassan Motejadded, Josef Altenbuchner

A new system is presented for the generation of recombinant <span style="font-variant: normal; font-style: normal; font-family: Arial-ItalicMT; color: #231f20; font-size: 10pt...

C. Dierks O. Distl R. Schrimpf S. Momke,

Black Forest horses are typically chestnut colored with flaxen mane and tail. However, as their coat color can get very dark, they are sometimes also indicated as silver, a color depending on a black base color. To analyse if the silver allele is present in the Black Forest horse population, we genotyped 250 horses of this breed for formerly reported coat color mutations within MC1R and SILV. A...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2006
keivan ansari sayed hossein amirshahi siamak moradian

a procedure for an efficient recovering of reflectance spectra of acrylic paint samples from cie tristimulus color values is described. by fixing a certain criteria based on color difference value, the proposed technique preliminarily selects a series of suitable samples from a main dataset containing the reflectance values of a series of different acrylic paint samples, based on the color spec...

M. Abdollahpour

In this paper, we first discuss about canonical dual of g<span style="font-family: NimbusRomNo9L-Regu; font-size: 11pt; color: #000000; font...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0

introduction: the use of computer vision technology has been highly successful in food classification in the past and it has continued this success in recent times. however, a number of opportunities to progress computer vision technology exist which are critically examined based on cost and feasibility. a range of hardware options are considered along with a range of software options. the econ...

In this paper, we present a method for color reduction of Persian carpet cartoons that increases both speed and accuracy of editing. Carpet cartoons are in two categories: machine-printed and hand-drawn. Hand-drawn cartoons are divided into two groups: before and after discretization. The purpose of this study is color reduction of hand-drawn cartoons before discretization. The proposed algorit...

The ternary system of Portland cement-microsilica-limestone has been studied by investigating its set and strength behaviours. A number of different cementitious <span style="font-size: 10pt; color: #0...

ژورنال: طب کار 2009
بهمن آبادی , علیرضا , خسروی, بهرام, داوری, خداداد, صادق نیت حقیقی, خسرو,

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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