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Trichromatism
| Глоссарий медицинских терминов |
Vision which allows the difference between the three primary colours to be seen. compare dichromatism, monochromatism
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Трихромазия, русский
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Difference, английский
- Disagreement, inequity, contrast, dissimilarity, incompatibility
- Разница; разность
- An important army term, meaning firstly the sum to be paid by officers when exchanging from the half to full pay; and, secondly, the price or difference in value of the several commissions.
Dichromatism, английский
Colour blindness in which only two of the three primary colours can be seen. compare monochromatism, trichromatism
Monochromatism, английский
Colour blindness in which all colours appear to be black, grey or white. compare dichromatism, trichromatism
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Imagery, английский
- Visual sensations clearly produced in the mind
- Изображения
Scotopic vision, английский
- Vision in the dark and in dim light, where the rods of the retina are used instead of the cones, which are used for photopic vision. dark adaptation
- Dark adapted vision, using only the rods in the retina, where differences in brightness can be detected but differences in hue cannot. vision is wholly scotopic when the luminance of the test surface is below 3 ? 10–5 cd·m–2 (2.7 ? 10–6 cd·ft–2). also known as parafoveal vision. compare mesopic vision and photopic vision.
- Dark adapted vision, using only the rods in the retina, where differences in brightness can be detected but differences in hue cannot. vision is wholly scotopic when the luminance of the test surface is below 3 ? 10–5 cd/m2 (2.7 ? 10–6 cd/ft2). also known as parafoveal vision. see also dark adaptation. compare mesopic vision; photopic vision.
- Average spectral responsivity curve of the human eye when adapted to very dark conditions (less than 3 ? 10–5 cd·m–2). illumination levels for scotopic vision are below the sensitivity of retinal cones, so no color perception is possible. self-demagnetizing factor: estimate of the resistance of a test object to magnetization due to the proximity of magnetic poles of opposite polarity. for coil magnetization, the internal magnetization within a low l·d–1 ratio test object is opposite of the coil’s magnetic field and a lower distance between poles results in a greater internal resistance. self-inductance: ratio of magnetic flux formed around a conductor to the amount of current passing through a straight or coiled conductor. self-inductance is measured in henries, where one henry equals one weber per ampere (1 h = 1 wb·a–1).
- Inductance.
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