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1,8-Diaminonaphthalene is an organic compound with the formula C 10 H 6 (NH 2) 2. It is one of several isomeric naphthalenediamines . It is a colorless solid that darkens in air due to oxidation.
The synonyms are grouped into synsets with short definitions and usage examples. It can thus be seen as a combination and extension of a dictionary and thesaurus . Its primary use is in automatic text analysis and artificial intelligence applications.
[8] [9] [10] However, the lean-burning nature of diesel engines and the high temperatures and pressures of the combustion process result in significant production of NO x (gaseous nitrogen oxides ), an air pollutant that constitutes a unique challenge with regard to their reduction.
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...
It is a sister site to The Free Dictionary and usage examples in the form of "references in classic literature" taken from the site's collection are used on The Free Dictionary 's definition pages. In addition, double-clicking on a word in the site's collection of reference materials brings up the word's definition on The Free Dictionary.
1-Nitropyrene is a by-product of combustion and is the predominant nitrated polycyclic aromatic hydrocarbon emitted in a diesel engine. [ 1 ] 1-Nitropyrene is listed as an IARC Group 2B carcinogen , [ 2 ] indicating it is possibly carcinogenic to humans.