в пропорции
• In the proportion 1 part coal to 4 parts barite ...
• Mix chlorite with hypochlorite in the ratio of 1 chlorite to 1.5 hypochlorite.
Источник:
Русско-английский научно-технический словарь
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• In the proportion 1 part coal to 4 parts barite ...
• Mix chlorite with hypochlorite in the ratio of 1 chlorite to 1.5 hypochlorite.