In real life, you're not likely to refine deuteriumoxide, but you are likely to depend on remote servers and beefy databases.
在现实生活中，您不可能提炼出氧化氘，但您可以依赖远程服务器和强大的数据库。
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Water from most natural sources contains about 0.015% deuteriumoxide; this can be enriched or purified by distillation, electrolysis, or chemical processing.