英语语法分析

Making of high - pure metal terbium has been studied.

本文对高纯金属铽的制备进行了研究。

In present paper, the advance of spectrophotometric analysis of terbium is described.

本文评述了近年来铽的光度分析方法及其进展状况。

One of them is to implant terbium ion into silicon oxides thin film which is grown on Si(111) substrates.

第一种是在在矽（111）基板上成长氧化矽，并将镧系元素-铽，以离子布植的方式植入样品。