Supplies are exhausted, no food or liquid consumed for over 24 hours.
供给已经枯竭，已超过24小时找不到任何食物或水。
This papar is concerned with the technique of regaining L-GA from exhausted liquid extracted L-GAwith strong acid cation-exchange resin and eluting, regenerating resin with ammonia water.
用强酸性阳离子交换树脂吸附提取母液中的L-谷氨酸（简称L-GA），然后用氨水洗脱和再生，回收L-GA。
Water or air inside the blood chamber is exhausted with air pump, liquid pump and negative pressure pump.
排出血液室内水或气的方法包括用气泵，液泵和负压泵。
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