When iodine is dissolved in polar solvents which are strong donor solvents such as ketones, ethers, pyridine, the formation of charge-transfer complex leads to modification of the energy gap between the two molecular orbitals, thus different wavelengths were absorbed and iodine has different color in solvents with different polarity.

When the brown solution of iodine in strong donor solvents were heated, a color transition from brown to violet is observed as the weakly-bonded charge-transfer complex dissociates into to free solvent and iodine molecules.

For example, the classic example of a charge-transfer complex is that between iodine and starch to form an intense purple color.

Painted with broad bands of garish color and highly simplified forms, and employing a high viewpoint, the agonized figure is reduced to a garbed skull in the throes of an emotional crisis.

His work, as important as it was in its own right, was a part of a continuum of progress in communications and electronics that since his time has brought forward color television, the personal computer, the Internet, cable and satellite radio and TV, personal mobile phones, audio, video and computing, digital stereo radio on both the medium wave and VHF-FM bands, and digital high definition television on VHF, UHF, cable and satellite.

The absorption bands of neodymium interact with the visible emission spectrum of mercury vapor, with the unfiltered shortwave UV light causing neodymium-containing minerals to reflect a distinctive green color.

The sharp absorption bands of neodymium cause the glass color to change under different lighting conditions, being reddish-purple under daylight or yellow incandescent light, but blue under white fluorescent lighting, or greenish under trichromatic lighting.

Spectrum of a system G ( bands IV and V ) television channel with PAL color subcarrier.

Thulium was so rare that none of the early workers had enough of it to purify sufficiently to actually see the green color ; they had to be content with spectroscopically observing the strengthening of the two characteristic absorption bands, as erbium was progressively removed.

They are flat triangular bands and are pearly white in color.

They are flat triangular bands and are pearly white in color.

Unlike a Military band's usage of baton twirlers, Corps Style bands may include the usage of a " color guard " which spin flags, rifles, sabres, and may also incorporate dance into their routines.

Coloring agents or chromophores show bands in the spectroscope and indicate which element is responsible for the gem's color.

A diagram of a resistor, with four color bands A, B, C, D from left to right

Miles ' graphical design was distinguished by its tinted black and white photographs, creative use of sans-serif typefaces, and restricted color palette ( often black and white with a single color ), and frequent use of solid rectangular bands of color or white, influenced by the Bauhaus school of design.

The frequency spectrum of the modulated color signal overlaps that of the baseband signal, and separation relies on the fact that frequency components of the baseband signal tend to be near harmonics of the horizontal scanning rate, while the color carrier is selected to be an odd multiple of half the horizontal scanning rate ; this produces a modulated color signal that consists mainly of harmonic frequencies that fall between the harmonics in the baseband luma signal, rather than both being in separate continuous frequency bands alongside each other in the frequency domain.

This method is useful to produce transitions in value or color within narrow bands, such as the locks of hair in a portrait head.

In Untitled No. 4 ( 1994 ), for example, one views the gentle striations of pencil line and primary color washes of diluted acrylic paint blended with gesso ; the lines are not measured by a ruler, but rather intuitively marked by the artist., In the 1990s, symmetry would often give way to varying widths of horizontal bands.

The flame itself is not incandescent, as its Swan bands | blue color is due to various other atomic and molecular energy transitions.

They have smooth and shiny scales and their typical color pattern is alternating bands of red-black-yellow or white-black-red.

The undulating, contrasting bands of color and luster make for an attractive motif, and it is mainly used for jewelry-making and ornamentation.

The colors of its bands range from white to almost every color ( save some shades, such as purple or blue ).

Overall color is grey with alternating brownish bands on the back, edged with black and white towards the rear.

* Cheat lines, decorative, horizontal, single or multiple, bands of color applied to both sides of an aircraft's fuselage

A value of 0 means that the pixel does not have any coverage information and is transparent ; i. e. there was no color contribution from any geometry because the geometry did not overlap this pixel.

Formalist film theory is a theory of film study that is focused on the formal, or technical, elements of a film: i. e., the lighting, scoring, sound and set design, use of color, shot composition, and editing.

The intuitive statement of the four color theorem, i. e. ' that given any separation of a plane into contiguous regions, called a map, the regions can be colored using at most four colors so that no two adjacent regions have the same color ', needs to be interpreted appropriately to be correct.

They do have color vision, dichromate, but not nearly as good as that of humans, trichromate, i. e., red, green, and blue light.

Therefore, all of these color systems compromise luma quality to some extent in exchange for the addition of color — i. e. all of these color signals look worse at some time or other than they would if the color signal were absent.

The color box at right displays the web color dark violet which is equivalent to pigment violet, i. e., the color violet as it would typically be reproduced by artist's paints, colored pencils, or crayons as opposed to the brighter " electric " violet above that it is possible to reproduce on a computer screen.

They are ivory in color rather than pure white, and have self-faced lapels ( i. e., made of the same fabric as the jacket ) rather than silk-faced lapels.

For a demonstration, look closely at the following picture ( note: this will work only on monitors displaying true color, i. e., 24 or 32 bits ) where dark shades of red, green and blue are shown using 128 levels of intensities for each component ( 7 bits ).

While these are mostly regionalisms ( i. e. originating from the dialect commonly spoken in the area, regardless of color ), a number of them — such as the deletion of is — are used much more frequently by black speakers, suggesting that they have their origins in black speech.

Daffodils may be self-colored — i. e., both perianth and corona identical in color and shade — or the colors between the perianth and corona may differ widely.

This 15-meter tree, known as " Pacific rosewood " for its color and called mako ‘ i in Rapanui, is used for sacred groves and carvings throughout eastern Polynesia and was evidently brought to Easter Island by the first settlers.

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One is his principles of mutually enhanced contrasts and of assimilation and dissimilation ( i. e. in color and form perception and his advocacy of objective methods of expression and of recording results, especially in language.

) A perceptual model based loosely on the human psychovisual system discards high-frequency information, i. e. sharp transitions in intensity, and color hue.

( i ) Simultaneous contrast may take place when one area of color is surrounded by another area of a different color.

Linking each shape to its color is a function from X to Y: each shape is linked to a color ( i. e., an element in Y ), and each shape is linked to exactly one color.

One of my virtues or vices is a sort of three-dimensional imagination complete with sound effects and glorious living color.

I thought I saw a faint surge of color rise to her neck and quickly suffuse her cheeks.

Her thick hair was the color and texture of charcoal.

Blood dripped down the front of his sweater, soaking into a dark streak of dirt that ran diagonally across the white wool on his shoulder, as though the bright V woven into the neckline had melted, running a darker color.

Lithe and muscular, he had well-molded features, and his light color told of the European ancestors who had been intimate with the slave women of his family.

Its ribs showed, it was a yellow nondescript color, it suffered from a variety of sores, hair had scabbed off its body in patches.

The line of an eyebrow, the color of the skin, a ghazal from Hafiz, the purity of spring water, the long afternoon among the boughs which crowd the upper story of a pavilion -- these things are noticed, judged, and valued.

He has designed a matching backdrop and costumes of points of color on white for Mr. Cunningham's Summerspace, so that dancers and background merge into a shimmering unity.

In each case, the object, the color, even the percussive sounds of the electronic score were designed to become part of the theatrical being of the performer.

He seeks to make his dancers more `` godlike '' by relating them to the impersonal elements of shape, light, color, and sound.

It may establish the relation of the figure of the dancer to light and color, in which case changes in the light or color will set off a kaleidescope of visual designs.

It may, however, be noted that his gift for color and imagery must have been greatly stimulated by his stay in Paris.

Otherwise, we go on endlessly trying to draw the line, color and other, as to which kind of man we wish to see dominate.

Only infrequently did the situation color his thinking.

and used gradations of color value as well as sharply contrasting elementary colors.

A little man with a `` a dark copper color '' skin, he was wearing `` calico trousers and a white cotton short gown ''.

The serene, majestic columns of the Parthenon, tawny in color against the pure deep blue sky, frame incredible vistas.

Through all this raving, Krim is performing a traditional and by now boring rite, the attack on intelligence, upon the largely successful attempt of the magazines he castigates to liberate American writing from local color and other varieties of romantic corn.

The sculptor looked at him, let the color drain out of his face, grinned, and looked down into his drink, a bad Martini made with raw Italian gin.

The facts, he adds, are hidden from public view by squeamish objections to calling bad conditions by their right name and by insistence on token integration rather than on real improvement of the schools, regardless of the color of their students.

-- A first grader colors pictures one solid color, everything -- sky, grass, boy, wagon, etc..

When different colors are used, she is just as likely to color trees purple, hair green, etc..

The other children in the class use this same coloring book and do a fairly good job with things their proper color.

-- Her choice of one color means she is simply enjoying the motor act of coloring, without having reached the point of selecting suitable colors for different objects.