英语语法分析

Hydroxyapatite ceramic powder were synthesized by chemical coprecipitation process.

采用化学沉淀法合成羟基磷灰石陶瓷细粉。

In this experiment, high quality PTC powder was prepared by oxalate coprecipitation process.

本实验采用草酸盐共沉淀法制备含掺杂物的高性能PT C粉体。

The powders of YIG crystal have been prepared by coprecipitation method and sol-gel (method).

应用化学共沉淀法和溶胶-凝胶法制备了钇铁石榴石(YIG)多晶粉体。