| 单词 | round-bottom |
| 例句 | So the Marolia family used special round-bottom bottles which were difficult to set down on flat surfaces. Fizzy nostalgia: The origins of India's taste for soft drinks 2020-03-21T04:00:00Z A chemist would typically mix chemicals together in a round-bottom flask, put them on the stirrer and heat it up, and that is what this robot does. Listen: AI robot mixes chemicals to discover reactions 2018-07-17T04:00:00Z The early company went in a flatboat; these went in a round-bottom boat. Strange True Stories of Louisiana The flask is heated on an electric stove, and a 12-l. round-bottom flask is placed on the funnel to act as a condenser, cold water being run through the flask. Organic Syntheses Procedure IN a 12-l. round-bottom flask fitted with a mechanical stirrer are placed 500 g. of technical b-naphthol dissolved in a warm solution of 140 g. of sodium hydroxide in 6 l. of water. Organic Syntheses |
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