coupling agent
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coupling agent — a substance used to coat filler particles in a resin matrix composite so that the particles bind to the resin matrix … Medical dictionary
coupling agent — noun see coupler … Useful english dictionary
Coupling reaction — A coupling reaction in organic chemistry is a catch all term for a variety of reactions where two hydrocarbon fragments are coupled with the aid of a metal catalyst. In one important reaction type a main group organometallic compound of the type… … Wikipedia
Rotational-vibrational coupling — occurs when the rotation frequency of an object is close to or identical to a natural internal vibration frequency. The animation on the right shows a simple example. The motion depicted in the animation is for the idealized situation that the… … Wikipedia
Manganese-mediated coupling reactions — are radical coupling reactions between enolizable carbonyl compounds and unsaturated compounds initiated by a manganese(III) salt, typically manganese(III) acetate. Copper(II) acetate is sometimes used as a co oxidant to assist in the oxidation… … Wikipedia
Pinacol coupling reaction — A pinacol coupling reaction is an organic reaction in which a carbon carbon covalent bond is formed between the carbonyl groups of an aldehyde or a ketone in presence of an electron donor in a free radical process Ref|1. The reaction product is a … Wikipedia
M-SG reducing agent — In M SG an alkali metal is absorbed into silica gel at elevated temperatures. The resulting black powder material is an effective reducing agent and safe to handle as opposed to the pure metal. The material can also be used as a desiccant and as… … Wikipedia
Aminolysis — is any chemical reaction in which a molecule is split into two parts by reacting with a molecule of ammonia or an amine.An example of an aminolysis reaction is the replacement of a halogen in an alkyl group (R X) by an amine (R NH2) and the… … Wikipedia
Architectural reprography — covers a variety of technologies, media, and supports typically used to make multiple copies of original technical drawings and related records created by architects, landscape architects, engineers, surveyors, mapmakers and other professionals… … Wikipedia
cement — 1. A layer of bonelike mineralized tissue covering the dentin of the root and neck of a tooth that serves to anchor the fibers of the periodontal ligament. SYN: cementum [TA], substantia ossea dentis, tooth c.. 2. In … Medical dictionary
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia
