QUE SIGNIFIE ACTINOMETER EN ANGLAIS
Actinomètre
Les actes sont des instruments utilisés pour mesurer la puissance de chauffage des rayonnements. Ils sont utilisés dans la météorologie pour mesurer le rayonnement solaire en tant que pyrheliomètres. Un actinomètre est un système chimique ou un dispositif physique qui détermine le nombre de photons dans un faisceau intégralement ou par unité de temps. Ce nom est communément appliqué aux appareils utilisés dans les gammes de longueurs d'onde ultraviolet et visible. Par exemple, les solutions d'oxalate de fer peuvent être utilisées comme actinomètre chimique, tandis que les bolomètres, les thermopiles et les photodiodes sont des dispositifs physiques donnant une lecture qui peut être corrélée au nombre de photons détectés.
définition de actinometer dans le dictionnaire anglais
La définition d'actinomètre dans le dictionnaire est un instrument de mesure de l'intensité du rayonnement, notamment des rayons du soleil.
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «ACTINOMETER»
Découvrez l'usage de
actinometer dans la sélection bibliographique suivante. Des livres en rapport avec
actinometer et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Drugs, Photochemistry and Photostability
Two quartz actinometer cells with secure stoppers, previously filled with quinine
actinometer solution, were placed on either side of the Petri dish centered on the
two fluorescent tubes and parallel with the fluorescent tube ends. The distance of
...
Angelo Albini, Elisa Fasani, Royal Society of Chemistry (Great Britain),
1998
2
Photobiology: The Science of Life and Light
Standardization has usually been taken care of by those who have designed the
actinometer. Another advantage is that the geometry can more easily be adjusted
to the measurement problem. The shape of a liquid actinometer can easily be ...
3
Environmental Organic Chemistry
law-811(1) _ 15-44 mam-a) QR“) ( ) (Du-(A) : To obtain an environmental
quantum yield or quantum efficiency, Dulin and Mill (1982) suggested exposing
dilute solutions of both the pollutant and the chemical actinometer to sunlight.
René P. Schwarzenbach, Philip M. Gschwend, Dieter M. Imboden,
2005
4
Disinfection Efficiency and Dose Measurement of ...
Powdered uridine (Sigma Chemicals) was used in making uridine actinometer.
Potassium iodide (KI) and potassium iodate (KIO3) (Fisher Scientific Products)
were used to prepare iodide and iodate ion (referred to as the KI actinometer in
the ...
5
Pharmaceutical Photostability and Stabilization Technology
According to Heller and Langan (21), the photoreaction in Eq. (17) occurs
quantitatively with a quantum yield of Φ = 0.20, as determined by ferrioxalate
actinometer. Moreover, irradiation of the colored photoproduct with visible (436–
546 nm) ...
Joseph T. Piechocki, Karl Thoma,
2006
6
Ozotype, the New Carbon Printing Process Without Transfer, ...
The sensitive coating of pigmented gelatine is exposed under a negative, and as
there is no visible image during printing, an actinometer has to be used. When
judged to be sufficiently exposed, the carbon tissue is removed from the printing ...
Of the different chemical actinometers available such as (i) ferrioxalate
actinometer (ii) uranyl oxalate actinometer (iii) MGL actinometer (iv) Reinecke's
salt actinometer and (v) propanone actinometer, ferrioxalate actinometer is
widely used.
8
Inactivation of Pathogens with Innovative UV Technologies
The quantum yields for the KI/KIOs actinometer have recently been re-
investigated and determined to be 0.723 at 253.7 nm. One should be aware that
the quantum yield of this actinometer is strongly wavelength dependent. Thus,
this Protocol ...
9
The Code of Federal Regulations of the United States of America
Equation 3 ln(C„/C,)c=k„t where (C„). and (C,). are the molar concentrations of
actinometer at time t=0 and t and (C„)c and (Ci)c are the molar concentrations of
test chemical at time t=0 and t. Since kM and k,* are first-order rate constants, the
...
10
Standardization in Spectrophotometry and Luminescence ...
It is assumed that the excitation beam is monochromatic, all of the emission
passing into the actinometer is absorbed, and ... relative emission spectrum and
Qx(v) (mol/einstein) is the variation of the actinometer yield with excitation energy
.
K. D. Mielenz, R. A. Velapoldi, Radu Mavrodineanu,
1976
3 ACTUALITÉS CONTENANT LE TERME «ACTINOMETER»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
actinometer est employé dans le contexte des actualités suivantes.
What is an Actinometer?
An actinometer is a device that is used to measure the intensity of solar radiation. It is a chemical system that determines the number of photons ... «AZoSensors, août 13»
What is a Pyranometer?
A pyranometer is a type of actinometer that can measure solar irradiance in the desired location and solar radiation flux density. The solar ... «AZoSensors, août 13»
Israel Defense Forces Humanitarian Medical, Aid Delegation …
... team and each member of the delegation will be carrying a personal actinometer to measure radiation, in addition to up-to-date sketches with ... «Israel News Agency, mars 11»