The dosage of reagent in experiments is studied for vegetable insulating oil refinement.

植物绝缘油是一种闪点高、环保型的液体电介质，是矿物绝缘油优良的替代品。

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Moreover, because gas is frequently encountered in association with oil, the production, refinement, transportation, and storage of crude oil is also a source of methane emissions.

此外，由于天然气常与石油混在一起，原油生产、提炼、运输和储存也是一个甲烷排放来源。

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The camellia oil is an excellent plant diet oil. The characteristic, refinement technics, current application situation and prospect of camellia oil were reviewed in this paper.

对茶油(一种优质的食用植物油)的性质、精炼工艺、应用现状作了简要的概述，并指出了茶油的发展前景。

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Campaigners like William Hederman, of Irishoilandgas.com, have warned that the oil from Barryroe may never be landed in Ireland, but instead taken for refinement to Europe or beyond, meaning fewer jobs on Irish soil.

BBC: Ireland 'close to oil billions'