英语语法分析

Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.

对难分解的钛钽铌矿的酸分解工艺进行了试验研究。

Eluvial tantalite: eluvial tantalite is found in rubble consisting of fragments and pebbles of varied composition.

残积层钽铁矿：残积层钽铁矿发现于由碎片和小鹅卵石成分的碎矿中。

On the basis of detailed studies on columbite from the Suzhou granite, tantalite has been found for the first time in this granite.

本文在研究苏州花岗岩中铌铁矿的基础上，首次在该地区发现了钽铁矿。