adsorption effect
101Surface 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 …
102Point of zero charge — The point of zero charge (pzc), in physical chemistry, is a concept relating to the phenomenon of adsorption, and it describes the condition when the electrical charge density on a surface is zero. It is usually determined in relation to an… …
103Quantum reflection — is a physical phenomenon involving the reflection of a matter wave from an attractive potential. In classical physics, such a phenomenon is not possible; for instance when one magnet is pulled toward another, you do not expect one of the magnets… …
104Superadditive developer — Photographic developer solutions may contain more than one developing agents, such as Metol and hydroquinone, or Phenidone and hydroquinone. This is because they work together to a synergistic effect, called superadditive… …
105Yuri Lvov — Dr. Yuri Lvov is an expert on micromanufacturing and a professor of chemistry, and Tolbert Pipes Eminent Endowed Chair on Micro and Nanosystems at the Institute for Micromanufacturing Louisiana Tech University. He earned his B.S. degree from… …
106blood group — Med. any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells. Also called blood type. Cf. ABO system, Rh factor. [1915 20] * * …
107Dental amalgam controversy — Dental amalgam filling The dental amalgam controversy refers to the conflicting views over the use of amalgam as a filling material mainly because it contains the element mercury. The concern centers on the health effects of toxicity or allergy… …
108Konzepte zur Überwindung der Blut-Hirn-Schranke — Schema der Blut Hirn Schranke Konzepte zur Überwindung der Blut Hirn Schranke ermöglichen es, dem Gehirn für therapeutische Zwecke Wirkstoffe zuzuführen. Die Blut Hirn Schranke ist eine dynamische Grenzfläche, die über Influx (Zufluss, wörtlich:… …
109Nuclear magnetic resonance in porous media — Nuclear magnetic resonance (NMR) in porous media covers the application of using NMR as a tool to study the structure of porous media and various processes occurring in them.[1] This technique allows the determination of characteristics such as… …
110Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… …
