weather balloons
(chemistry) A chemical engineering process in which hydrotreating is used to reduce the nitrogen content of hydrocarbons during oil refining
plural of weather balloon
A cormorant-like bird which symbolizes the English city of Liverpool.
A surname.
研究チームは、異なる高度で気温と湿度を測定するためにいくつかの気象観測用の気球を放った。
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