[permalink] [id link]
The intensity of charge-transfer bands in the absorbance spectrum is strongly dependent upon the degree ( equilibrium constant ) of this association reaction.
from
Wikipedia
Some Related Sentences
intensity and bands
From 1904, there was low intensity warfare in Macedonia between the Greek and Bulgarian bands and the Ottoman army ( the Struggle for Macedonia ).
Since the large ribosomal subunit is 28S ( approximately 5kb ) and the small ribosomal subunit is 18S ( approximately 2kb ) two prominent bands will appear on the gel, the larger at close to twice the intensity of the smaller.
In the mid-1980s, northern West Coast state bands such as Melvins, Flipper and Green River developed a sludgy, " aggressive sound that melded the slower tempos of heavy metal with the intensity of hardcore ," creating an alternative rock subgenre known as grunge.
These bands kept the atmospheric qualities of dream pop, but added the intensity of post-punk-influenced bands such as The Chameleons and Sonic Youth.
Leeb and Fulber intended to create an album with the intensity of Caustic Grip but with song structures " like bands who really write songs.
Both bands were made up entirely of skateboarders and played loud and fast music designed to match the intensity of skateboarding.
According to standard wave theory Huygens these two contributions give rise to an intensity pattern of bright bands due to constructive interference, interlaced with dark bands due to destructive interference, on a downstream screen.
Some variants give rise to a wide band or two bands of unequal intensity but none of these variants is associated with disease.
Impurities will produce bands of varying intensity, depending on how much of the impurity is present.
* In Mach bands, the effect is seen only on areas that are close to the intensity gradient.
This device is designed to measure the intensity of solar radiation reflected by the Earth system ( planetary surface and atmosphere ) in various directions and spectral bands ; it became operational in February 2000.
These bands were influenced by acts like Fugazi and The Nation of Ulysses, while also helping propagate an offshoot of hardcore that " grafted spastic intensity to willfully experimental dissonance and dynamics ".
These bands kept the atmospheric qualities of dream pop, but added the intensity of post-punk-influenced bands such as The Chameleons and Sonic Youth.
Methods have been developed to determine the equilibrium constant for these complexes in solution by measuring the intensity of absorption bands as a function of the concentration of donor and acceptor components in solution.
Superimposed on this general shape are absorption features ( wavelength bands where the intensity is lowered ) that have a variety of origins and can give clues as to the chemical composition of the interstellar material, e. g. dust grains.
Dividing the spectrum into many bands, multispectral is the opposite of panchromatic, which records only the total intensity of radiation falling on each pixel.
Critical bands are also closely related to auditory masking phenomena – reduced audibility of a sound signal when in the presence of a second signal of higher intensity and within the same critical band.
Commenting on the characteristic intensity of the band's stage performance at this time, Jon Pareles stated that " although most rockers like to think their music carries a sense of danger, few bands come closer to raw mayhem than the Screaming Blue Messiahs.
These bands kept the atmospheric qualities of dream pop, but added the intensity of post-punk-influenced bands such as The Chameleons and Sonic Youth.
intensity and absorbance
The total cross-section is related to the absorbance of the light intensity through Beer-Lambert's law, which says absorbance is proportional to concentration:, where C is the concentration as a number density, A < sub > λ </ sub > is the absorbance at a given wavelength λ, and is the path length.
where A is the measured absorbance, is the intensity of the incident light at a given wavelength, is the transmitted intensity, L the pathlength through the sample, and c the concentration of the absorbing species.
where is the absorbance at a certain wavelength of light (), is the intensity of the radiation ( light ) that has passed through the material ( transmitted radiation ), and is the intensity of the radiation before it passes through the material ( incident radiation ).
Common detection modes for microplate assays are absorbance, fluorescence intensity, luminescence, time-resolved fluorescence, and fluorescence polarization.
Many of the detection modes ( absorbance, fluorescence intensity, luminescence, time-resolved fluorescence, and fluorescence polarization ) are available stand-alone in dedicated plate readers, but are very often found today combined into one instrument ( multi-mode plate reader ).
DNA concentration can be determined measuring the intensity of absorbance of the solution at the 600 nm with a spectrophotometer and comparing to a standard curve of known DNA concentrations.
Measuring the intensity of absorbance of the DNA solution at wavelengths 260 nm and 280 nm is used as a measure of DNA purity.
Precise measurements of the absorbance at many wavelengths allow the identification of a substance via absorption spectroscopy, where a sample is illuminated from one side, and the intensity of the light that exits from the sample in every direction is measured.
The SRM number was originally, and still is, defined by " Beer color intensity on a sample free of turbidity and having the spectral characteristics of an average beer is 10 times the absorbance of the beer measured in a 1 / 2 inch cell with monochromatic light at 430 nanometers.
where is the slope of the integrated fluorescence intensity with respect to the absorbance at the excitation wavelength of the sample and the subscript samp ( as in ) denotes the values corresponding to the sample to be determined.
intensity and spectrum
The observed intensity of the radio emission of Venus is much higher than the expected thermal intensity, although the spectrum indicated by measurements at wave lengths near 3 cm and 10 cm is like that of a black body at about 600-degrees.
These spectra are then multiplied with a factor to match the intensity of the sample spectrum and subtracted pixel by pixel and spectrum by spectrum from the sample spectrum using a least-squares algorithm.
If more than one wavelength is present ( as is usually the case ), one must sum or integrate over the spectrum of wavelengths present to get the total luminous intensity.
Primary properties of visible light are intensity, propagation direction, frequency or wavelength spectrum, and polarisation, while its speed in a vacuum, 299, 792, 458 meters per second ( about 300, 000 kilometers per second ), is one of the fundamental constants of nature.
The term is proposed in order to focus specifically on the spread of network based organizational structures throughout the low intensity spectrum of societal conflict.
The radiation emitted covers the entire electromagnetic spectrum and the intensity ( power / unit-area ) at a given frequency is dictated by Planck's law of radiation.
To determine the redshift, one searches for features in the spectrum such as absorption lines, emission lines, or other variations in light intensity.
In many applications, the spectrum is determined by measuring changes in the intensity or frequency of this energy.
Such samples have a continuous Fourier spectrum that uniformly spreads its amplitude thereby reducing the measured signal intensity, as is observed in SAXS.
A graph of the intensity plotted against the frequency ( showing the amount of each color ) is the frequency spectrum of the light.
* Photomultipliers are used in research laboratories to measure the intensity and spectrum of light-emitting materials such as compound semiconductors and quantum dots.
For a detailed discussion of the intensity and spectrum ( color ) of incandescence, see the article: thermal radiation.
Formally, this follows from the convolution theorem in mathematics, which relates the Fourier transform of the power spectrum ( the intensity of each frequency ) to its autocorrelation.
This is classified as an Ap / Bp star, with a peculiar spectrum showing lines of chromium and europium that change in intensity over a period matching the variability cycle, although opposite in phase.
If more than one wavelength is present ( as is usually the case ), one must sum or integrate over the spectrum of wavelengths present to get the luminous intensity:
The intensity of the absorption varies as a function of frequency, and this variation is the absorption spectrum.
The emission spectrum will typically have a quite different intensity pattern from the absorption spectrum, though, so the two are not equivalent.
Classically, the Fourier coefficients give the intensity of the emitted radiation, so in quantum mechanics the magnitude of the matrix elements of the position operator were the intensity of radiation in the bright-line spectrum.
Grayscale images are often the result of measuring the intensity of light at each pixel in a single band of the electromagnetic spectrum ( e. g. infrared, visible light, ultraviolet, etc.
0.455 seconds.