extinction coefficient वाक्य
उदाहरण वाक्य
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- The molar extinction coefficient is about 13, 000 cm " 1 M " 1 and its overall effective fluorescence is about 1 % that of fluorescein.
- Proflavine absorbs strongly in the blue region at 445 nm ( in water at pH 7 ) with molar extinction coefficient of " c . " 40, 000
- In an optical context, the absorption spectrum is typically quantified by the extinction coefficient, and the extinction and index coefficients are quantitatively related through the Kramers-Kronig relation.
- At sea level, the Rayleigh atmosphere has an extinction coefficient of approximately 13.2 ?10 " 6 m " 1 at a wavelength of 520 nm.
- If a significant amount of the light passed through the sample contains wavelengths that have much lower extinction coefficients than the nominal one, the instrument will report an incorrectly low absorbance.
- Opacity in air pollution work refers to the percentage of light blocked instead of the attenuation coefficient ( aka extinction coefficient ) and varies from 0 % light blocked to 100 % light blocked:
- Kornberg and Bernard L . Horecker used the Beckman DU spectrophotometer for enzyme assays measuring NADH and NADPH . They determined their extinction coefficients, establishing a basis for quantitative measurements in reactions involving nucleotides.
- Has anyone got suggestions on what to use and where to find the molar extinction coefficient of this substance's complex with copper ?-( talk ) 21 : 08, July 14, 2005 ( UTC)
- Although its molar absorptivity ( extinction coefficient ) is relatively low, PI exhibits a sufficiently large Stokes shift to allow simultaneous detection of nuclear DNA and fluorescein-labeled antibodies, provided the proper optical filters are used.
- The LP-80 calculates LAI by means of measuring the difference between light levels above the canopy and at ground level, and factoring in the leaf angle distribution, solar zenith angle, and plant extinction coefficient.
- In accordance with the ambiguity noted above, some authors use the complex conjugate definition, where the ( still positive ) extinction coefficient is " minus " the imaginary part of \ underline { n }.
- The refractive index and extinction coefficient near the surface of the solid are perturbed by the returning strain pulses ( within the optical absorption depth of the probe light ), resulting in changes in the optical reflectance or transmission.
- Generally, FlAsH-EDT 2 has 0.1-0.6 fluorescence quantum efficiencies with several ?M detection limits for diffuse cytosolic tag and 30-80 extinction coefficients ( mM )-1 cm-1.
- Benzene has three aromatic ? ?! ? * transitions; two E-bands at 180 and 200 nm and one B-band at 255 nm with extinction coefficients respectively 60, 000, 8, 000 and 215.
- Even in isotropic media, so-called inhomogeneous waves can be launched into a medium whose refractive index has a significant imaginary part ( or " extinction coefficient " ) such as metals; these fields are also not strictly transverse.
- The refractive index ( " n " ) and extinction coefficient ( " k " ) are related to the interaction between a material and incident light, and are associated with refraction and absorption ( respectively ).
- They use considerably less energy in the laser, typically on the order of one extinction coefficient, backscatter coefficient, depolarization ), temperature, pressure, wind, humidity, trace gas concentration ( ozone, methane, nitrous oxide, etc . ).
- In general, an index of refraction is a complex number with both a real and imaginary part, where the latter indicates the strength of absorption loss at a particular wavelength & mdash; thus, the imaginary part is sometimes called the extinction coefficient k.
- UV-Vis spectrometers are used to measure the reflectance of light, and can be analyzed via the Forouhi-Bloomer dispersion equations to determine the Index of Refraction ( n ) and the Extinction Coefficient ( k ) of a given film across the measured spectral range.
- The compound provides real time near-infrared ( NIR ) fluorescence imaging with an extinction coefficient of 2.8 ?10 5 M " 1 cm " 1 and combinatorial phototherapy with dual photothermal and photodynamic therapeutic mechanisms that may be appropriate for adriamycin-resistant tumors.
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