surface+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

• Surface enhanced Raman spectroscopy — Surface Enhanced Raman Spectroscopy, or Surface Enhanced Raman Scattering, often abbreviated SERS, is a surface sensitive technique that results in the enhancement of Raman scattering by molecules adsorbed on rough metal surfaces. The enhancement …   Wikipedia

• Surface plasmon — Surface plasmons, also referred to in the literature as surface plasma polaritons, are fluctuations in the electron density at the boundary of two materials. Plasmons are the collective vibrations of an electron gas (or plasma) surrounding the… …   Wikipedia

• Surface photovoltage — (SPV) measurements are a widely used method to determine the minority carrier diffusion length of semiconductors. Since the transport of minority carriers determines the behavior of the p n junctions that are ubiquitous in semiconductor devices,… …   Wikipedia

• Absorption — may refer to:Chemistry and biology*Absorption (chemistry), absorption of particles of gas or liquid in liquid or solid material *Absorption (skin), a route by which substances can enter the body through the skin *Absorption (pharmacokinetics),… …   Wikipedia

• Absorption (acoustics) — Absorption refers to the absorption of sound waves by a material. The absorption is the missing piece , when comparing the total reflected and transmitted energy with the incident energy. It is the property of a material that changes acoustic… …   Wikipedia

• Absorption (chemistry) — Absorption, in chemistry, is a physical or chemical phenomenon or a process in which atoms, molecules, or ions enter some bulk phase gas, liquid or solid material. This is a different process from adsorption, since the molecules are taken up by… …   Wikipedia

• Surface science — is the study of physical and chemical phenomena that occur at the interface of two phases, including solid liquid interfaces, solid gas interfaces, solid vacuum interfaces, and liquid gas interfaces. It includes the fields of surface chemistry… …   Wikipedia

• Surface weather observation — Surface weather observations are the fundamental data used for safety as well as climatological reasons to forecast weather and issue warnings worldwide. [Office of the Federal Coordinator of Meteorology. [http://www.ofcm.gov/fmh 1/pdf/B CH2.pdf… …   Wikipedia

• Surface brightness fluctuation — (SBF) is a secondary distance indicator used to estimate distances to galaxies. The technique uses the fact that galaxies are made up of a finite number of stars. The number of stars in any small patch of the galaxy will vary from point to point …   Wikipedia

• Absorption (pharmacokinetics) — In pharmacology (and more specifically pharmacokinetics), absorption is the movement of a drug into the bloodstream. Absorption involves several phases. First, the drug needs to be introduced via some route of administration (oral, via the skin,… …   Wikipedia