the precipitation method

• 沉淀法

the precipitation method的用法和样例：

例句

1. Precipitation by oxalate is the primary method to produce rare earth oxides.
   稀土草酸盐沉淀法是制备稀土氧化物的主要方法。
2. The optimum method for purifying Konjac glucomannan is found through comparative study of various methods.
   对不同方法纯化魔芋葡甘露聚糖进行了研究，酶法结合乙醇沉淀法是最佳提纯魔芋葡甘露聚糖的方法。