butane-propane fraction
21Classification Des Hydrocarbures Liquides — Cet article traite de la classification des hydrocarbures liquides. Sommaire 1 Par provenance 1.1 Commentaires 2 Par qualité 2.1 Commentaires …
22Classification des Hydrocarbures liquides — Cet article traite de la classification des hydrocarbures liquides. Sommaire 1 Par provenance 1.1 Commentaires 2 Par qualité 2.1 Commentaires …
23Classification des hydrocarbures liquides — Cet article traite de la classification des hydrocarbures liquides. Hydrocarbure est à prendre au sens large, c est à dire tout mélange de ceux ci, sous la forme de pétrole naturel, ou produit synthétique similaire. Sommaire 1 Par provenance 1.1… …
24Hydrocarbon — Ball and stick model of the methane molecule, CH4. Methane is part of a homologous series known as the alkanes, which contain single bonds only. In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon …
25History of the petroleum industry in Canada (natural gas) — Natural gas has been used almost as long as crude oil in Canada, but its commercial development was not as rapid. This is because of special properties of this energy commodity: it is a gas, and it frequently contains impurities. The technical… …
26Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
27industrial 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… …
28ALGÉRIE — En 1962, les fées ont été particulièrement nombreuses à se presser autour de l’Algérie. L’« exemplarité » de la lutte de libération nationale, longue et violente, ravissait ceux qui ne voient de progrès humain que dans l’action de l’« accoucheuse …
29Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
30Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
