Asymmetric induction — (also enantioinduction) in stereochemistry describes the preferential formation in a chemical reaction of one enantiomer or diastereoisomer over the other as a result of the influence of a chiral feature present in the substrate, reagent,… … Wikipedia
Arthropod head problem — The arthropod head problem is a long standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups, and how they are evolutionarily related to each other. While the dispute has historically centered … Wikipedia
Drywall — For the musical group, see Drywall (musical project). Vertically hung drywall with joint compound. Drywall, also known as plasterboard, wallboard or gypsum board is a panel made of gypsum plaster pressed between two thick sheets of paper. It is… … Wikipedia
Magnesium — Not to be confused with Manganese. sodium ← magnesium → aluminium Be ↑ Mg ↓ Ca … Wikipedia
Pentetic acid — For the diphtheria, tetanus, and acellular pertussis vaccine, see DPT vaccine#DTaP. Pentetic acid … Wikipedia
Imagerie par résonance magnétique — Pour les articles homonymes, voir IRM et MRI. L imagerie par résonance magnétique (IRM) est une technique d imagerie médicale permettant d obtenir des vues 2D ou 3D de l intérieur du corps de façon non invasive avec une résolution relativement… … Wikipédia en Français
High-performance liquid chromatography — An HPLC. From left to right: A pumping device generating a gradient of two different solvents, a steel enforced column and an apparatus for measuring the absorbance. Acronym HPLC Classification Chromatography … Wikipedia
Lead poisoning — Classification and external resources An X ray demonstrating the characteristic finding of lead poisoning, dense metaphyseal lines. ICD 10 T … Wikipedia
Coordination polymers — Coordination polymer is the term given in inorganic chemistry to a metal coordination compound where a ligand bridges between metal centres, where each metal centre binds to more than one ligand to create an infinite array of metal centres e.g. a … Wikipedia
Mukaiyama aldol addition — The Mukaiyama aldol addition is an organic reaction and a type of aldol reaction between a silyl enol ether and an aldehyde catalyzed by a Lewis acid.[1] This choice of reactants allows for a crossed aldol reaction between an aldehyde and a… … Wikipedia
Sulfate — In inorganic chemistry, a sulfate (IUPAC recommended spelling; also sulphate in British English) is a salt of sulfuric acid.Chemical propertiesThe sulfate ion is a polyatomic anion with the empirical formula SO42− and a molecular mass of 96.06… … Wikipedia