ABSORBANCE DANS L’UV
A Sensitive and Portable Deep-UV Absorbance Detector with a Microliter Gas Cell Compatible with Micro GC
... deep-UV absorbance detector was developed for the detection of BTEX ...The absorbance detector composed of portable devices: UV-LED, HCW as a gas cell, and ...the absorbance values in ...
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Absorbance modulation optical lithography
... deep UV wavelength, implying that these lenses in PMMA are not com- patible with wavelength scale ...deep UV and produces rigid structures after development, but is very sensitive to contamination and, ...
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Identification non-destructive des vernis des oeuvres d'art par fluorescence UV
... en absorbance UV, des mesures en spectrométrie de masse-électrospray ont été menées afin de tenter de connaître la nature chimique de chacun des composants de chaque ...
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Stimuler les défenses des plantes contre botrytis cinerea par des rayonnements UV-C
... rayonnement UV-C à 3,40 kJ/m 2 et 6,80 kJ/m 2 ont induit une diminution de la teneur des pigments et ont également affecté l'appareil photosynthétique comme le montrent les valeurs basses des paramètres Fv/Fm, ...
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Kinetics and mechanism of Paraquat’s degradation: UV-C photolysis vs UV-C photocatalysis with TiO₂ /SiC foams
... paraquat absorbance of UV radiation and its degradation by photolysis under ...the UV-C lamp (254 nm) and the absorption spectra of Paraquat ...
23
Revêtements UV-aqueux pour le bois renforcés par la Cellulose Nano-Cristalline
... of UV / humidity on color of coated wood For varnished, painted or otherwise coated wood, it is difficult to compare color results in the literature because of varying substrate (species), coatings, coating ...
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UV/Vis+ Photochemistry Database: Structure, Content and Applications
... “Full and open access” to data implies equitable, non- discriminatory access to all data that are of value for science. It does not necessarily equate ‘free of cost’ at the point of delivery. There are several economic ...
9
Alignment of the Extreme-UV Imaging Telescope (EIT)
... > align theodolite #1 via a folding mirror on the back face of the primary mirror (PM) > the optical axis of the PM is perpandicular to its backface.. > align an autocollimatio[r] ...
7
Conception et réalisation de miroirs monochromateurs-reflecteurs pour le rayonnement x-uv.
... Stabilité des empilements ultra-minces : la spectroscopie AUGER a montré la stabilité à la température ambiante des deux couples de matériaux que nous avons principalement utilisés tungs[r] ...
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Stellar physics with high-resolution UV spectropolarimetry
... high-resolution UV spectropo- larimetry of young T Tauri stars would be a fundamental tool to study the dynamics of accretion shocks and more generally the interaction of the young star with its circumstellar ...
8
Calibration and testing of wide-field UV instruments
... Abstract As with all optical systems the calibration of wide- field ultraviolet (UV) systems includes three main areas: sensitivity, imaging quality, and imaging capability. The one thing that makes UV ...
15
Deep UV photon-counting detectors and applications
... commercial off-the-shelf (COTS) and emerging research-grade detectors. 2.1. System-Level Detector Performance Metrics In considering the various detector technologies that might be employed in a particular deep-UV ...
16
Stellar Physics with High-Resolution UV Spectropolarimetry
... Novel UV spectropolarimetric observations will constitute a unique opportunity to connect these processes from the stellar magnetic activity to the final architecture of planetary ...
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ETUDE DE L’EFFET DE L’IRRADIATION UV SUR LES PROPRIETES OPTIQUE ET MORPHOLOGIQUE DU POLYPROPYLENE.
... Irradiation UV Le matériau polymère utilisé pour cette étude est le polypropylène isotactique (iPP), qui se présente sous forme de films minces de 25 µm ...par UV a été effectué par à une lampe à Mercure, ...
6
Photochemical UV/TiO2 treatment of olive mill wastewater (OMW)
... Keywords: Olive mill wastewater; UV/TiO 2 ; Fictitious atomic-group separation; UV–visible spectroscopy; IRTF Spectroscopy 1. Introduction The production of olive oil in the Mediterranean coun- tries ...
6
L'influence de la dégradation UV sur le comportement mécanique de PMMA et de mélange PMMA-TiO2
... Les caractéristiques physiques d’un polymère sont liées non seulement à sa masse et à sa forme moléculaires, mais aussi à la structure des chaines moléculaires. Les procédées[r] ...
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Photoelectrons produced by Far-UV radiation on Titan's aerosols
... Photoelectrons produced by Far-UV radiation on Titan’s aerosols Sarah Tigrine (1,2), Nathalie Carrasco (1), Dusan Bozanic (2), Gustavo Garcia (2) and Laurent Nahon (2) (1) LATMOS/IPSL, UVSQ, Université ...
3
Utilising shade to optimize UV exposure for vitamin D
... spectral UV measurement system is located within three metres of the cloud 20 detection system and is housed in an environmentally sealed box with a fibre optic connecting the diffuser to the input slit of the ...
17
Extraction des huiles essentielles Analyse par FT-IR et UV-Visible
... Certaines plantes contiennent des principes actifs qui peuvent être extrêmement puissants, d'autres sont toxiques à faible dose. Le fait que l'on n'utilise que des plantes ne [r] ...
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Materials and anti-adhesive issues in UV-NIL
... • Finally, if necessary, F-ASL treatments are cleanable and can be entirely removed from silica surfaces by a suitable combination of wet and or dry etching processes without altering the mold surface roughness. Then, ...
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