- para formaldehyde
- Chemistryபராபோமலிடிகயிட்டு
English-Tamil dictionary. 2014.
para formaldehyde
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Phenol formaldehyde resin — Phenol formaldehyde resins (PF) include synthetic thermosetting resins such as obtained by the reaction of phenols with formaldehyde. Sometimes the precursors include other aldehydes or other phenol. Phenolic resins are mainly used in the… … Wikipedia
paraformaldehyde — para·formaldehyde … English syllables
CH20n — paraformaldehyde par a*form*al de*hyde, n. [Pref. para + formaldehyde.] (Chem.) A polymer of formaldehyde obtained as a white crystalline substance by concentration of a formaldehyde solution. Formula {(CH20)n}. It dissolves in hot water with the … The Collaborative International Dictionary of English
paraformaldehyde — par a*form*al de*hyde, n. [Pref. para + formaldehyde.] (Chem.) A polymer of formaldehyde obtained as a white crystalline substance by concentration of a formaldehyde solution. Formula {(CH20)n}. It dissolves in hot water with the release of… … The Collaborative International Dictionary of English
N2 — Contents 1 Transportation Military 2 Roads 3 Other 4 See also N2, N 2 or N02 may be … Wikipedia
Tobacco packaging warning messages — Smoking warning on the back of a cigarette pack, in Australia Tobacco packaging warning messages are health warning messages that appear on the packaging of cigarettes and other tobacco products. They have been implemented in an effort to enhance … Wikipedia
industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… … Universalium
phenol — phenolic /fi noh lik, nol ik/, adj. /fee nawl, nol/, n. Chem. 1. Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water soluble, poisonous mass, C6H5OH, obtained from coal tar, or a hydroxyl derivative… … Universalium
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
paraformaldehyde — |parə+ noun Etymology: International Scientific Vocabulary para (I) + formaldehyde : a white solid that is a mixture of hydrated polymers of formaldehyde having the formula (HCHO)n.H2O or HO(CH2O)nH in which n varies from about … Useful english dictionary
Calixarene — A calixarene is a macrocycle or cyclic oligomer based on a hydroxyalkylation product of a phenol and an aldehyde [1] . The word calixarene is derived from calix or chalice because this type of molecule resembles a vase and from the word arene… … Wikipedia
