saturation d'absorption

См. также в других словарях:

• ABSORPTION VÉGÉTALE — Les plantes, pour la plupart, tirent du sol l’eau et les sels minéraux qui leur sont nécessaires. Les poils absorbants des jeunes racines jouent pour cela un rôle essentiel. Les éléments minéraux pénètrent à l’état d’ions, soit à partir de la… …   Encyclopédie Universelle

• absorption — [n1] assimilation, incorporation consumption, digestion, drinking in, exhaustion, fusion, imbibing, impregnation, ingestion, inhalation, intake, osmosis, penetration, reception, retention, saturation, soaking up, suction, taking in; concepts… …   New thesaurus

• absorption — I (Roget s IV) n. 1. [The process of absorbing or being absorbed] Syn. assimilation, digestion, osmosis, saturation, conversion, impregnation, penetration, fusion, intake, union, engorgement, consumption, ingestion, blending, swallowing up,… …   English dictionary for students

• Saturable absorption — is a property of materials where the absorption of light decreases with increasing light intensity. Most materials show some saturable absorption, but often only at very high optical intensities. SESAMs, dyes and carbon nanotubes are useful for… …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• FER (MÉTABOLISME DU) — L’importance du fer ne se limite pas à la technologie. Le fer est, en effet, indispensable au maintien de la vie, à l’échelle cellulaire. Certaines algues et bactéries des eaux ferrugineuses en sont particulièrement riches; elles oxydent le fer… …   Encyclopédie Universelle

• colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

• Near-infrared window in biological tissue — The near infrared (NIR) window (also known as optical window or therapeutic window) defines the range of wavelengths where light has its maximum depth of penetration in tissue. Within the NIR window, scattering is the most dominant light tissue… …   Wikipedia

• Optical window in biological tissue — The Optical window [1] (also known as therapeutic window) defines the range of wavelengths where light has its maximum depth of penetration in tissue. Within the NIR window, scattering is the most dominant light tissue interaction, and therefore… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• Pulse oximeter — A finger mounted pulse oximeter taking measurement through the fingernail. A wrist mounted remote sensor pulse oximeter with plethysmogram. A puls …   Wikipedia