纯元素 meaning in English

pure element
simple element

Element - only content
纯元素内容。
The quantity of each impure element is at ppt level , which offers the most superior reagent in purity on the market
每一不纯元素的量均在ppt之等级，为市面上最高纯度之试剂。
The preparation of porous ni - ti alloys by mechanical milling and powder metallurgy has been studied in this paper in order to reveal the phase transformation and densifying behaviors of different degree milled ti - 50 . 5at % ni powders during sintering
采用150r min和200r min两种转速来高能球磨近等原子比ni ， ti纯元素混合粉末，研磨直到非晶态为止。