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Absorption coefficient

Phytoplankton community dynamic detection from the chlorophyll-specific absorption coefficient in productive inland waters

Phytoplankton community dynamic detection from the chlorophyll-specific absorption coefficient in productive inland waters

... absorption coefficient of total particles (a p ), a NAP and a φ by using ‘Transmittance-Reflectance’ method (Tassan & Ferrari, 1995, 1998, 2002). Water samples were filtered through Whatman GF/F ...

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Absorption coefficient of particulate matter on the south-west coast of Europe: a contribution to the validation of the MERIS-Medium Resolution Imaging Spectrometer sensor

Absorption coefficient of particulate matter on the south-west coast of Europe: a contribution to the validation of the MERIS-Medium Resolution Imaging Spectrometer sensor

... particulate absorption between stations, especially between seasons, which is mostly due to differences between the coefficients of absorption for ...the absorption spectra caused by differences in ...

7

Adaptive firefly algorithm: parameter analysis and its application.

Adaptive firefly algorithm: parameter analysis and its application.

... light absorption coefficient; (2) a gray coefficient enhancing fireflies to share difference information from attractive ones efficiently; and (3) five different dynamic strategies for the ...

12

J. Braz. Chem. Soc.  vol.13 número5

J. Braz. Chem. Soc. vol.13 número5

... FIR absorption coefficient, we find that the interaction induced contributions are considerably more ...FIR absorption spectrum shifts to higher frequencies, promoting better agreement between the ...

9

Braz. J. Phys.  vol.40 número2

Braz. J. Phys. vol.40 número2

... the absorption coefficient (AC) in monomor- phic nematogens for the direct nematic mesophase–isotropic liquid and the reverse isotropic liquid–nematic mesophase phase transitions, to determine the character ...

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Nonlinear optical properties of ionic magnetic colloids in the femto- and millisecond time scales: change from convergent-to-divergent lens-type behaviors

Nonlinear optical properties of ionic magnetic colloids in the femto- and millisecond time scales: change from convergent-to-divergent lens-type behaviors

... nonlinear absorption coefficient of ionic magnetic colloids as a function of the nanoparticles’ diameter in the femto- and millisecond time-scale re- ...

7

Braz. J. Phys.  vol.36 número3B

Braz. J. Phys. vol.36 número3B

... In order to take into account the broadening of the energy levels, due to the temperature effects or defects, we introduce in our calculations a Lorentzian line-shape function replacing the standard energy conservation ...

3

Determination and analysis of in situ spectral aerosol optical properties by a multi-instrumental approach

Determination and analysis of in situ spectral aerosol optical properties by a multi-instrumental approach

... filter absorption photometers are affected by loading ef- fects which need to be compensated, and the various com- pensation methods relied mostly on the continuity of data (Weingartner et ...the absorption ...

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Sound absorption property of openpore aluminum foams

Sound absorption property of openpore aluminum foams

... sound absorption property of aluminum foam by evaluating its sound absorption coefficients using standing wave tube ...sound absorption coefficients (over the test frequency range) are all above ...

3

Optical and chemical properties of atmospheric PM fractions related with air masses in the central Iberian Peninsula

Optical and chemical properties of atmospheric PM fractions related with air masses in the central Iberian Peninsula

... highest absorption event of the campaign was observed on 12 ...measured absorption coefficient and low PM ...The absorption coefficients remain within average values (σ a ...

10

DETERMINING OPTICAL CONSTANTS OF SELENIUM THIN FILMS USING THE ENVELOPE METHOD

DETERMINING OPTICAL CONSTANTS OF SELENIUM THIN FILMS USING THE ENVELOPE METHOD

... extinction coefficient (k) which is a measure of the energy loss in material and is related to the absorption coefficient (α) according to the relation Equation 1: ...

8

Absorption Ångström coefficient, brown carbon, and aerosols: basic concepts, bulk matter, and spherical particles

Absorption Ångström coefficient, brown carbon, and aerosols: basic concepts, bulk matter, and spherical particles

... the absorption coefficient of a mixture of BC and BrC may look like, that is the sum of a function with the inverse wavelength dependence of BC and a resonance peak in the UV (in this example, at ...example ...

9

Aerosol absorption measurements at the ALOMAR subarctic station

Aerosol absorption measurements at the ALOMAR subarctic station

... aerosol absorption coefficient measurements with two different techniques: the “integrating sphere photometer” and the particle soot absorption photometer (PSAP, Radiance ...

7

Experimental characterization of injection grouts incorporating hydrophobic silica fume

Experimental characterization of injection grouts incorporating hydrophobic silica fume

... Water absorption coefficient due to capillary of hardened grout for the different dosage and the silica fume studied. Figure 10[r] ...

38

THE REMOVAL OF XENOBIOTIC COMPOUNDS FROM WASTEWATER THROUGH THE USE OF BIOLOGICAL PROCESSES AND ADVANCED OXIDATION TECHNOLOGIES

THE REMOVAL OF XENOBIOTIC COMPOUNDS FROM WASTEWATER THROUGH THE USE OF BIOLOGICAL PROCESSES AND ADVANCED OXIDATION TECHNOLOGIES

... Pharmaceutical compounds such as ketoprofen, diclofenac and atenolol are frequently detected at relatively high concentrations in secondary effluents from wastewater treatment plants. Therefore, it is important to assess ...

185

EQUATIONS OF RADIATION TRANSFER IN INFRARED TOMOGRAPHY IN THE CASE OF ACTIVE-PASSIVE DIAGNOSIS AND SWEEPING SCANNING

EQUATIONS OF RADIATION TRANSFER IN INFRARED TOMOGRAPHY IN THE CASE OF ACTIVE-PASSIVE DIAGNOSIS AND SWEEPING SCANNING

... Sweeping scanning scheme of a hot gas in the task of infrared tomography is formulated. Two diagnosis regimes are used: the active one (ON) – with included source and the passive one (OFF) – without it. Two integral ...

2

J. Braz. Chem. Soc.  vol.22 número9

J. Braz. Chem. Soc. vol.22 número9

... atomic absorption spectrometry. The high background absorption of the extraction and disperser solvent was removed by changing the solvent of sedimented phase from organic to ...

7

Determination of Turbulence Coefficient using Genetic
Algorithms

Determination of Turbulence Coefficient using Genetic Algorithms

... loss coefficient in the present ...turbulence coefficient varying between ...turbulence coefficient none of the values is equal to ...turbulence coefficient substantiate that turbulence ...

8

Cálcio dietético: estratégias para otimizar o consumo

Cálcio dietético: estratégias para otimizar o consumo

... calcium absorption; for this reason, it should be taken throughout the day in maximum dosages of 500 mg ...its absorption, especially in the case of calcium ...

9

Modelagem de bioconcentração de herbicidas em cana (Saccharum officinarum L.) Antonio Luiz CerdeiraI Lourival Costa ParaíbaI Sonia Claudia Nascimento de QueirozI Marcus Barifouse Matallo

Modelagem de bioconcentração de herbicidas em cana (Saccharum officinarum L.) Antonio Luiz CerdeiraI Lourival Costa ParaíbaI Sonia Claudia Nascimento de QueirozI Marcus Barifouse Matallo

... a coefficient that describes the increase in concentration of herbicides in the organism in relation to concentration in the medium, estimated by the limit in time in the chemical steady state ...herbicide ...

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