QUE SIGNIFIE LUMINOUS ENERGY EN ANGLAIS
Énergie lumineuse
En photométrie, l'énergie lumineuse est l'énergie perçue de la lumière. On parle parfois de la quantité de lumière. L'énergie lumineuse n'est pas la même que l'énergie rayonnante, la quantité physique objective correspondante. C'est parce que l'œil humain peut seulement voir la lumière dans le spectre visible et a des sensibilités différentes à la lumière de différentes longueurs d'onde dans le spectre. Lorsqu'il est adapté pour des conditions lumineuses, l'œil est plus sensible à la lumière à une longueur d'onde de 555 nm. La lumière avec une quantité donnée d'énergie rayonnante aura une énergie plus lumineuse si la longueur d'onde est de 555 nm que si la longueur d'onde est plus longue ou plus courte. La lumière dont la longueur d'onde est bien en dehors du spectre visible a une énergie lumineuse de zéro, quelle que soit la quantité d'énergie rayonnante présente. L'unité SI d'énergie lumineuse est la deuxième lumière, qui n'est pas officiellement connue sous le nom de talbot en l'honneur de William Henry Fox Talbot. Dans d'autres systèmes d'unités, l'énergie lumineuse peut être exprimée en unités d'énergie de base.
définition de luminous energy dans le dictionnaire anglais
La définition de l'énergie lumineuse dans le dictionnaire est l'énergie émise ou propagée sous la forme de la lumière; le produit d'un flux lumineux et sa durée, mesurée en lumen secondes Qv.
MOTS EN ANGLAIS EN RAPPORT AVEC «LUMINOUS ENERGY»
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•
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «LUMINOUS ENERGY»
Découvrez l'usage de
luminous energy dans la sélection bibliographique suivante. Des livres en rapport avec
luminous energy et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Making Your Data Center
Energy Efficient
Now that we have an appreciation for the fact that most LED-based lights are
really a package of two or more LEDs let's become acquainted with three
additional lighting-related terms: luminous energy, illuminance, and lighting
efficiency.
2
Handbook of Optoelectronics (Two-Volume Set)
A2.2.3.7 Radiant energy and luminous energy Radiant energy (Qe )or luminous
energy (Qv )is the time integral of the radiant flux Fe(t) orluminous flux Fv(t) over a
given duration Dt, as defined by Q1⁄4 FðtÞ dt: ðA2:2:10Þ Z Dt The unit of radiant ...
John P. Dakin, Robert G. W. Brown,
2010
3
Introduction to Light Emitting Diode Technology and Applications
2.3.7.5 Luminous Energy Another term that you may see on occasion, which is
often misleading, is luminous energy; many persons con- fuse it with luminous
intensity. Recall that luminous intensity of a light source represents the density of
...
4
Illumination Engineering: Design with Nonimaging Optics
Additionally, radiometric quantities are expressed with a subscript “ν” to denote
visual. Luminous energy (Qν) is measured in the units of the talbot (T), which is
typically labeled as lumen-s (lm-s). The luminous energy density (uν) is in the
units ...
5
The Science of Imaging: An Introduction
The luminous energy emitted by a photoflash is measured in lumen seconds (lm
s). The intensity varies throughout the duration of the flash, and we obtain the
total luminous energy by measuring the area under the time-intensity curve (
Figure ...
6
Computer Vision and Applications: A Guide for Students and ...
Luminous energy and luminous flux. The luminous energy can be thought of as
the portion of radiant energy causing a visual sensation at the human retina.
Radiant energy beyond the visible portion of the spectrum can also be absorbed
by ...
Bernd Jähne, Horst Haussecker,
2000
7
Springer Handbook of Lasers and Optics
Two auxiliary quantities, luminous energy and luminous energy density,
correspond to the analogous radiometric units. The photometric units carry a
subscript V for visual, to distinguish them from their radiometric counterparts;
overbars in ...
8
Shifts: Beyond the Visible
Our perennially evolving luminous energy field provides us with a vital life force
energy and manifests the form, health and vitality of our physical body. It is also a
record of all that we experience and have ever experienced in this life and others
...
9
Energy and Climate in the Urban Built Environment
Similarly, the same physical quantities may be evaluated in different units,
depending on whether these quantities are considered as energetic or luminous.
The quantities are: ° Luminous energy ( Q). This is the visually evaluated radiant
...
10
Luminous Mind: Meditation and Mind Fitness
As you exhale, imagine this bubble expanding opening and expanding out into
the space around you. With each breath, be filled by this luminous energy, and
with each exhalation, imagine this sphere of light-energy opening and expanding
, ...
10 ACTUALITÉS CONTENANT LE TERME «LUMINOUS ENERGY»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
luminous energy est employé dans le contexte des actualités suivantes.
Szymon 'Medusa' | Purple Sneakers
Ignorant to its own psyche, it goes forth as if unaffected from its micro world, for the composition travels light and saturated in a luminous energy; ... «Purple Sneakers, juil 15»
Charles Ray's sculptures cast a forceful modern eye on antiquity
Surfaces of liquid light draw the luminous energy of the space around her into the hefty sculpture's forbidding mass. She's in a deep, dead ... «Los Angeles Times, juin 15»
Renewable energy firms unveil plans for large solar farms
Jolyon Orchard, of Luminous Energy said the scale of the scheme was related to achieving economies of scale and competition for government ... «Darlington and Stockton Times, juin 15»
More Gwynedd solar farms planned
Luminous Energy Ltd want to gauge opinion over a proposed five-megawatt farm, which would cover 12 hectares of land on Rhosgyll Fawr ... «Daily Post North Wales, mai 15»
Review: 'Far From the Madding Crowd' brings a modern feel to an …
The last version, from director John Schlesinger and star Julie Christie, was one hour longer, but Vinterberg brings a luminous energy and ... «CTV News, mai 15»
Evan Flory-Barnes is Crosscut's first City Superhero
Superpowers: Luminous energy, superhuman strength, magnetic conversation and chameleon-like sonic brilliance. First Appearance: 1996 ... «Crosscut, avril 15»
Knells Farm solar plant brings investment opportunities for Paddock …
... allow people to purchase £60 five-year bonds in the Knells Farm operation — which the company behind the construction, Luminous Energy, ... «Kent Online, avril 15»
Seeing the light: Innovative intraoral imaging technologies
Here is the science behind this device: It uses a patented fluorescence technology that absorbs luminous energy and emits it as fluorescent ... «Dental Economics, févr 15»
Found: Early Black Hole 12 Billion Times More Massive Than Our Sun
This luminous energy is known as a quasar, and it can hold many clues about the black hole harboring within. “Using spectroscopy we can ... «Popular Science, févr 15»
Murad: Universality and timeless appeal of Rumi's message inspired …
... only God can help us put our finger through the skin of reality and feel the luminous energy of the One which undergirds everything we see. «Today's Zaman, déc 14»