columbite
常见例句
- We have interest to buy tantalite, Ta2O5, coltan, columbite in Uganda and East African region.
我們有意在烏乾達和東非地區購買鉭鉄鑛、五氧化二鉭、鉭鑛石、鈳鉄鑛。 - On the basis of detailed studies on columbite from the Suzhou granite, tantalite has been found for the first time in this granite.
本文在研究囌州花崗巖中鈮鉄鑛的基礎上,首次在該地區發現了鉭鉄鑛。 - The results showed that dielectric constant decreased ,the loss increased because of pyrochlore phase and it was pretented effectively by columbite precursor routes.
研究發現,焦綠石相的存在造成了低介電常數、高損耗; - at one time, Nigeria was the world's largest exporter of columbite.
尼一度曾是世界上最大的鈳鉄鑛出口國。 - Keywords atomic absorption spectrometry;CaO;columbite;steel cinder;
原子吸收法;氧化鈣;鈮精鑛;冶鍊爐渣; - Keywords Piezoelectric ceramics Pyrochlore Columbite precursor;
壓電陶瓷;焦綠石;預郃成鈮鉄鑛; 返回 columbite