в чистом виде
• In the uncombined (or pure) state, deuterium finds use as a research tool.
• This salt has never been obtained pure.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
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• In the uncombined (or pure) state, deuterium finds use as a research tool.
• This salt has never been obtained pure.