- vulcanization in steps
- ступенчатая вулканизация;
English-Russian dictionary of leather and footwear industry. проф., д-р техн. наук Г. Арбузов, к.т.н. А. Михайлова, И. Качко, к-т. фил.н. Я. Смирницкая.
English-Russian dictionary of leather and footwear industry. проф., д-р техн. наук Г. Арбузов, к.т.н. А. Михайлова, И. Качко, к-т. фил.н. Я. Смирницкая.
elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… … Universalium
Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… … Universalium
birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence … Universalium
isoprenoid — /uy seuh pree noyd/, adj. Chem. pertaining to, derived from, or similar to isoprene. [1955 60; ISOPRENE + OID] * * * or terpene Class of organic compounds made up of two or more structural units derived from isoprene. Isoprene is a five carbon… … Universalium
Antioxidant — Model of the antioxidant metabolite glutathione. The yellow sphere is the redox active sulfur atom that provides antioxidant activity, while the red, blue, white, and dark grey spheres represent oxygen, nitrogen, hydrogen, and carbon atoms,… … Wikipedia
Plastic — is the general common term for a wide range of synthetic or semisynthetic organic solid materials suitable for the manufacture of industrial products. Plastics are typically polymers of high molecular weight, and may contain other substances to… … Wikipedia
Disulfide bond — In chemistry, a disulfide bond (Br.E. disulphide bond) is a covalent bond, usually derived by the coupling of two thiol groups. The linkage is also called an SS bond or disulfide bridge. The overall connectivity is therefore R S S R. The… … Wikipedia
Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… … Wikipedia
Cervical cap — This article is about the contraceptive device. For devices used to help achieve pregnancy, see conception device. Cervical cap Oves brand cervical cap (discontinued) Background Birth control type … Wikipedia
Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… … Wikipedia
Thiourea — Chembox new ImageFile=thiourea.png ImageSize= ImageFile2=Thiourea 3D vdW.png IUPACName=thiourea OtherNames= Section1= Chembox Identifiers CASNo=62 56 6 PubChem=2723790 SMILES=C(=S)(N)N Section2= Chembox Properties Formula=CH4N2S MolarMass=76.1219 … Wikipedia