Once you've actually made it and purified it, it's completely non-toxic and non-hazardous.

实际上，这种油一旦经过生产和纯化，就完全没有毒性，也没有危险。

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By the time the big words come back reconstructed, purified, fit to be trusted once more, he will be long dead.

等到那些大而无当的词经过重建和纯化，再一次可以信赖的时候，他都死去很久了。

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Once the product has been isolated, impurities are filtered out, moisture is removed in driers, and the purified carbon dioxide is compressed for liquefaction.

产品分离出来以后，过滤掉杂质，在干燥剂里去除水蒸汽，净化了的二氧化碳被压缩液化。

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Once the result is suitably purified, however, it can be pressed into the desired material.

ECONOMIST: Flights of fancy

Of late, the company has set out to integrate itself vertically, acquiring companies like Neo Material in order to control the markets for its products once they are mined and purified.

FORBES: Connect

Their milk looks and tastes like the real thing, but once its proteins are filtered and purified into a fine white powder, they can be spun into tough thread.

FORBES: Charlotte's Goat