under the condition of the microwave radiation,the pectin in the peduncle of tobacco was extracted by the oxamide solution and was deposited by saturated aluminum sulphate solution.
在微波条件下,以草酸铵溶液为溶剂,饱和硫酸铝沉淀提取烟梗中的
胶。
二
；草under the condition of the microwave radiation,the pectin in the peduncle of tobacco was extracted by the oxamide solution and was deposited by saturated aluminum sulphate solution.
在微波条件下,以草酸铵溶液为溶剂,饱和硫酸铝沉淀提取烟梗中的胶。
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