Biscuits and crackers are chemically leavened.

饼干和脆饼干是用化学方法发酵的。

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This addition of a chemically precipitated substance into pore spaces is termed "permineralization".

这种化学沉淀物质进入孔隙的过程被称为“完全矿化”。

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But when we analyze these cells chemically, we find something very interesting, a chemical in them, an enzyme called telomerase.

但当我们用化学方法分析这些细胞时，我们发现了一些非常有趣的东西，其中有一种化学物质，是一种叫做端粒酶的酶。

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These include vaccination campaigns and the use of bed nets chemically treated to kill mosquitoes that spread malaria.

VOA: special.2009.09.28

If I could find the unique set of proteins that correspond to those genes I could define chemically what the cell is.

而我又能找到和这些基因对应的,这种独特的蛋白,我就能通过化学手段确认这是哪种细胞

耶鲁公开课 - 生物医学工程探索课程节选

It turns out that neurons relate to one another chemically in a kind of interesting way.

原来神经元之间,是通过奇妙的化学方式,而相互联系的

耶鲁公开课 - 心理学导论课程节选

As a heavy metal, it is also chemically poisonous in addition to being radioactively poisonous.

BBC: News Online

Countless genres are chemically fused, making it difficult to trace which ideas came from where.

NPR: Gonjasufi: Musings Of A Hip-Hop Mystic

RNA. It also has a part that likes to bind chemically to the appropriate amino acid.

ECONOMIST: Chemists are trying to synthesise new varieties of life