synthetic ammonia的用法和樣例：
例句
- Operation and trouble shooting in the case of trouble of cold box,which is a core equipment in Braun ammonia processes introduced.
介紹在布朗合成氨工藝中占核心地位的冷箱處于故障情況下的生產(chǎn)方式和解決措施。 - The ammonia synthesis catalyst is activated by circulating syngas through the catalyst beds under slowly increasing temperature.
這是關(guān)于合成氨催化劑升溫活化的內容。
