The article analyses the technique superiority and social economic meanings of the air-foam drilling on the basis of the studying to productive experiment.

基于实钻研究，分析空气泡沫钻进技术在地质岩心钻探中应用的技术优势和社会经济意义；

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In some systems, foam at the surface may not cause a lot of damage, but the presence of a foam layer normally indicates extensive air entrainment.

在一些系统中，油液表面的泡沫不会造成很大的损害，但泡沫的存在说明相当量的空气滞留在油液当中。

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Air can exist in oil in three different states: dissolved, entrained and foam.

在油中，空气可以以三种形态存在：溶解其中，夹杂其中或以泡沫形式存在。

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CFCs are a smuggler's dream: odourless and colourless, they can be used in everything from air-conditioners to foam, and their replacements never quite match up to them.

ECONOMIST: Phew, the ozone layer may be saved

Much of that was funneled into the protective-packaging segment, which includes Bubble Wrap, Jiffy mailers, Instapak foam cushioning and Fill-Air inflatable packs.

FORBES: Magazine Article