Fish oil may be the true elixir of youth, according to new evidence of itseffect on biological ageing.

生物老化研究的最新结果表明，鱼油也许是永葆青春的不老神药。

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Acid and alkali resistance, oil resistance, hydrolysis, ageing resistance, resistance to sunshine.

抗酸碱，水解，耐油，耐老化，耐日照。

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The property of interfacial tension in oil displacement system through rock absorption and thermal ageing is investigated.

考察了驱油体系经岩石吸附和热老化以后的界面张力特征；

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Firms that had used unrealistically low cost estimates for extracting oil from ageing fields have suddenly been bailed out of trouble by the price rise, which makes extraction viable, and thus reserves proved, even at a higher cost.

ECONOMIST: Oil companies

The Saudis are not alone in their desperation to stem the declining output of big and ageing oil fields.

ECONOMIST: The oil-services industry

The survey found the problem of an ageing oil and gas sector workforce had been effectively tackled, with a sizeable proportion of employees now aged under 25.

BBC: 'Skills boost needed' for oil and gas sector