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Парафиновый
| Англо-русский словарь по геологии |
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Paraffinic, английский
- A type of petroleum fluid derived from paraffinic crude oil and containing a high proportion of straight chain saturated hydrocarbons. often susceptible to cold flow problems.
- Waxy or “sweet” crude oil. it is the most common type of base oil in production. it has a poor pour point due to the tendency to form wax molecule chains. it typically has excellent oxidation stability and a high viscosity index.
- Having the characteristics of paraffins, saturated hydrocarbons of open chain structure.
Paraffin, английский
- Any hydrocarbon identified by saturated straight (normal) or branched (iso) carbon chains; also called an alkane. the generalized paraffinic molecule can be symbolized by the formula cnh2n+2. paraffins are relatively non-reactive and have excellent oxidation stability. in contrast to naphthenic oils, paraffinic lubricating oils have relatively high wax content and pour point, and generally have a high viscosity index (vi.). paraffinic solvents are generally lower in solvency than naphthenic or aromatic solvents.
- An oil produced from petroleum, forming the base of some ointments, and also used for heating and light
- Парафин. см. alkane — алкая.
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Parachoma, английский
Паратип, русский
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