Meaning "a hue or tint, a visible color, the color of something" is from c. 1300. As "color as an inherent property of matter, that quality of a thing or appearance which is perceived by the eye alone," from late 14c. From early 14c. as "a coloring matter, pigment, dye." From...
Last, both neuropsychological (reviewed by [11,118,145,150]) and neuroimaging studies [63] indicate the absence of a role for primary sensory areas in color imagery. Taken together, the consistent activation observed in the lingual gyrus [15,64,65,139] might suggest a domain-specific role ...
A test device which includes a housing having an immunochromatographic test strip therein is disclosed. The test strip is color-coded so that the presence or absence of a substance or substances in a fluid sample may be detected and identified. The strip also indicates the locations of the ...
Results from both a chromosome aberration and mouse lymphoma assay indicated some genotoxic activity but only in the absence of S-9 at high dose levels. Brusick et al. (1992) also tested Caramel colors III and IV in a bacterial mutation assay, a yeast gene conversion assay (Saccharomyes ...
the state of being colorless noun the state of being colorless The absence of color. noun the visual property of being without chromatic color 更多 英文 词典里"colorlessness"的近义词 visual property, colourlessness, achromaticity是 英文 同义词词典中“colorlessness"的热门同义词。 visual...
The absence of decoration allows the bag to be a subtle yet stylish accessory that complements any outfit. The Hebei origin ensures quality craftsmanship, making it a reliable choice for the discerning woman who values both style and substance. The size: 43cmx35cmx32cm View more ...
that closely resembles black. This is because this method uses reflective colors. The colors are using a physical substance like pigments in paint that reflect the wavelengths to the eyes. Take away these colors or their absence, and you are left with white (or whatever color the canvas is)...
the concentration of NAD(P)H is determined by a color change or color signal when the NAD(P) H is above a threshold concentration and by the absence of a color signal when the concentration of NAD(P)H is below the threshold ... JL Palmer,MW Timmerman - US 被引量: 83发表: 1991年...
Urobilinogen: The reagent strip test detects normal and increased amounts but not the absence of urobilinogen. Because of this, it cannot be used to detect complete bile duct obstruction. Increased concentration is suggestive of hemolytic disease or decreased hepatic function. For results to be ...
If a colorless substance has a negative Benedict's test, what color is the test tube? In a test tube, I have added starch solution and Benedict's solution. After a completed reaction, what should the final color and results of the test be? Why? If a color...