The result is a molecule that's basically a pure—but synthetic—hydrocarbon, which means it's chemically identical to regular diesel.

结果，生成的分子基本是是一种纯的而合成的合成氢类物质，与通用柴油的化学性质完全相同。

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"We take Aloe vera leaves and put them through a series of complex extraction steps to produce a chemically pure powder, and then we combine the flu vaccine with it, " he explains.

我们采用芦荟叶，通过一系列复杂的提取步序得到一种化学纯粉末，然后将流感病毒疫苗与之混合。

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Other sugars, including chemically pure lactose, maltose, glucose and fructose, in solid form;

其他固体糖，包括化学纯乳糖、麦芽糖、葡萄糖及果糖；

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The Golden Triangle Partnership is not, however, looking for new molecules to turn into chemically pure drugs.

ECONOMIST: India is testing its traditional medicines

These types of diamonds are the most chemically pure, lacking in nitrogen which therefore yield exceptional optical transparency.

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Adding to their allure is that they have also been determined to be Type IIa, the most chemically pure form of diamond showing exceptional appeal transparency.

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