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Ultraviolet absorption

Natural Variation and Regulation of Floral Ultraviolet Absorption in Coreopsis and Bidens

Natural Variation and Regulation of Floral Ultraviolet Absorption in Coreopsis and Bidens

... NATURAL VARIATION AND REGULATION OF FLORAL ULTRAVIOLET ABSORPTION IN COREOPSIS AND BIDENS.. Ron Scogin.[r] ...

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A broadband optical cavity spectrometer for measuring weak near-ultraviolet absorption spectra of gases

A broadband optical cavity spectrometer for measuring weak near-ultraviolet absorption spectra of gases

... Spectra of 2-butanone and 2-pentanone are shown in Fig. 8. These spectra were determined from the absorption at a single concentration (2.07 × 10 17 molecule cm −3 for 2- butanone and 1.05 × 10 17 molecule cm −3 ...

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Theoretical and Experimental Study on the Effect of end Chain Length on Ultraviolet Absorption Behavior and Photostability of Alkoxy Benzoate Based Liquid Crystals

Theoretical and Experimental Study on the Effect of end Chain Length on Ultraviolet Absorption Behavior and Photostability of Alkoxy Benzoate Based Liquid Crystals

... Molecular orbital and their properties, like energy, are very useful for physicists and chemists and their frontier electron density used for predicting the most reactive position in p -electron systems and also ...

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Development and characterization of a new oral dapsone nanoemulsion system: permeability and in silico bioavailability studies

Development and characterization of a new oral dapsone nanoemulsion system: permeability and in silico bioavailability studies

... the ultraviolet absorption at 295 nm using a six-level standard curve prepared from the stock solu- tion in simulated gastric fluid and simulated intestinal fluid, with diluents at concentrations of ...

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Novel application and spectrophotometric estimation of Melitracen HCl tablet dosage form using Niacinamide as hydrotropic solubilizing agent

Novel application and spectrophotometric estimation of Melitracen HCl tablet dosage form using Niacinamide as hydrotropic solubilizing agent

... solvents. Ultraviolet absorption spectrophotometric method for the estimation of poorly water soluble drugs like Melitracen HCl in pharmaceutical formulations has been ...

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Extensions in pen ink dosimetry: ultraviolet calibration applications for primary and secondary schools

Extensions in pen ink dosimetry: ultraviolet calibration applications for primary and secondary schools

... making ultraviolet (UV) dosimeters from highlighter pen ink drawn onto strips of ...to ultraviolet absorption by various transparent materials and a simple exercise is explained that could be used by ...

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Study on the Concentration Inversion of  NO & NO2 Gas from the Vehicle Exhaust  Based on Weighted PLS

Study on the Concentration Inversion of NO & NO2 Gas from the Vehicle Exhaust Based on Weighted PLS

... the absorption spectra. But because of the overlap of gas absorption bands, how to separate the absorption information of each com- ponent gas from the mixed absorption spectra has become the ...

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Isolation and properties of alpha granules and ribosomes from a blue green alga, Nostoc muscorum

Isolation and properties of alpha granules and ribosomes from a blue green alga, Nostoc muscorum

... Ribosome Studies Determination of Nostoc ribosome spectrum and composition The ultraviolet absorption spectrum of purified Nostoc ribosomes in tris-HCl buffer 1 mM tris-HCl, 5 x 10 ^ mM [r] ...

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The Preparation of Transparent Silicone Rubber with Rapid Vulcanization and Ultraviolet Absorbing Effect

The Preparation of Transparent Silicone Rubber with Rapid Vulcanization and Ultraviolet Absorbing Effect

... of ultraviolet absorber species on light transmittance of silicone rubber could be seen from Figure ...containing ultraviolet absorber TINUVIN 384-2 had a good light transmittance and ultraviolet ...

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Studies of Preparation and Characteristics in Borosilicate Photosensitive Glass Ceramics

Studies of Preparation and Characteristics in Borosilicate Photosensitive Glass Ceramics

... The ultraviolet intrinsic absorption of silicate glass is influenced by inducing a mass of alkali oxide as net- work ...the ultraviolet absorption edge move to the long wavelength ...best ...

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Synthesis and Interaction of YYAAY with CT DNA

Synthesis and Interaction of YYAAY with CT DNA

... The ultraviolet absorption spectra of drug molecule can present hypochromic effect when it insert in the bases of DNA, but when it through electrostatic bind with DNA’s bases, it’s ultraviolet ...

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Some addition reactions of thiazoles

Some addition reactions of thiazoles

... fo Ultraviolet absorption spectra of the c Proton magnetic resonance spectra of The addition of pyridine and 3-methylpyridine to dimethyl acetylenedicarboxylate in other at room temperat[r] ...

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The role of aerosol layer height in quantifying aerosol absorption from ultraviolet satellite observations

The role of aerosol layer height in quantifying aerosol absorption from ultraviolet satellite observations

... from ultraviolet satellite observations for biomass burning ...aerosol absorption spectral dependence may cause severe misinterpretations of the aerosol ...

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A hybrid organic semiconductor/silicon photodiode for efficient ultraviolet photodetection

A hybrid organic semiconductor/silicon photodiode for efficient ultraviolet photodetection

... broad absorption over ultraviolet wavelengths, and a long emission wavelength to emit photons where silicon detectors have high ...self absorption of the emitted ...

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Shape Evolution of Hierarchical W18O49 Nanostructures: A Systematic Investigation of the Growth Mechanism, Properties and Morphology-Dependent Photocatalytic Activities

Shape Evolution of Hierarchical W18O49 Nanostructures: A Systematic Investigation of the Growth Mechanism, Properties and Morphology-Dependent Photocatalytic Activities

... dispersed under ultrasonic vibration for 10 min. Before light irradiation, the suspension was magnetically stirred in darkness for 90 min to achieve adsorption equilibrium. A 300 W Hg lamp and 500 W Xe lamp were used as ...

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Surface plasma resonant effect of gold nanoparticles on the photoelectrodes of dye sensitized solar cells

Surface plasma resonant effect of gold nanoparticles on the photoelectrodes of dye sensitized solar cells

... In this study, we prepared different shapes of gold nano- particles by the seed-mediated growth method to apply on the photoelectrodes of dye-sensitized solar cells. The diameter of the spherical gold nanoparticles is 45 ...

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CHROMATOGRAPHIC SEPARATION OF THE SODIUM RETAINING CORTICOID FROM THE URINE OF CHILDREN WITH NEPHROSIS, COMPARED WITH OBSERVATIONS ON NORMAL CHILDREN

CHROMATOGRAPHIC SEPARATION OF THE SODIUM RETAINING CORTICOID FROM THE URINE OF CHILDREN WITH NEPHROSIS, COMPARED WITH OBSERVATIONS ON NORMAL CHILDREN

... SODIUM-RETAINING ACTIVITY, TETRAZOLIUM REDUCTION, AND ULTRAVIOLET LIGHT ABSORPTION IN ELUATES FROM TOLUENE: PROPYLENE GLYCOL CHROMATOGRAM CASE R.. G., NORMAL See explanatory note under F[r] ...

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Influence of different combination modes of UV and NaClO on disinfecting effect of hospital sewage

Influence of different combination modes of UV and NaClO on disinfecting effect of hospital sewage

... the treatment of secondary effluent by ultrasound combined with sodium hypochlorite was conducted[20]. And ultrasound(US) , ultraviolet(UV) and synergistic efficiency were applied to inactivate E.coli[ 21]. There ...

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Applying the mutation of Bacillus subtilis and the  optimization of feather fermentation medium to  improve Keratinase activity

Applying the mutation of Bacillus subtilis and the optimization of feather fermentation medium to improve Keratinase activity

... Ultraviolet lamp was preheated for 30 min. 5 mL bac- teria suspension was put on a plate with a diameter of 90 mm. Then, we turned on a magnetic stirrer, used ultra- violet lamp to irradiate the plate for 1min, ...

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Testing the solar ultraviolet transmission of clothing and shade materials

Testing the solar ultraviolet transmission of clothing and shade materials

... The sun is the most common form of ultraviolet (UV) radiation to which humans are exposed. The surface temperature of the sun is approximately 5700 o C and at this temperature the peak intensity in the emitted ...

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