1.
Research on Metallurgical Purifying Method of Solar Grade Multicrystalline Silicon
冶金提纯法制备太阳能级多晶硅研究
2.
Gold is purified by fire.
黄金经过火炼提纯。
3.
refined sugar; refined oil; to gild refined gold- Shakespeare.
精糖；经过提纯的油；为纯金镀金-莎士比亚。
4.
These metals may be purified by a technique called zone refining.
这些金属可以用所谓“逐区提纯法”来提纯。
5.
pure cotton, gold, silk, wool, etc
纯棉、 纯金、 纯丝、 纯毛
6.
pure air and water; pure gold; pure primary colors; the violin's pure and lovely song; pure tones.
纯净的空气和水；纯金；纯净的三原色；小提琴纯净可爱的歌唱；纯净的音色。
7.
Purification of Dy,Ho and Er Metals by Distillation
金属镝、钬、铒蒸馏提纯效果的研究
8.
Study on Extraction and Purification Process of Chlorogenic Acid from Lonicera japonica Thunb
金银花中绿原酸的提取纯化方法研究
9.
Preparation and Purification of 8-Hydroxyquinoline Metal Complexes
8-羟基喹啉金属配合物的制备与提纯
10.
The study of the separation and the purification of Au,Pt in AuPt alloy waste
AuPt合金的分离及Au、Pt提纯的研究
11.
Study on Preparation of Extra-Low-Oxygen Rare-Earth Metal Yttrium by Ca-CaCl_2 Fused-Salt Methodand Electrochemistry Purification Method;
用Ca-CaCl_2熔盐法和电化学提纯法制备高纯低氧稀土金属钇（Y）的研究
12.
Notice that in metallurgy" to extract" means to take the pure metal out of its ores.
要注意在冶金方面“提取指的是从矿石中提炼纯金属”。
13.
The science that deals with procedures used in extracting metals from their ores, purifying and alloying metals, and creating useful objects from metals.
冶金术研究从金属矿中提炼金属、提纯与合成金属，以及用金属制造有用物质过程的技术
14.
The purifcation of Dy, Ho and Er metals has been studied by the method of vacuum distillation.
本文研究了金属镝、、的真空蒸馏提纯效果。
15.
Research on the Purification and Classification Techniques for Ultra-fine Diamond Micropowder;
超细金刚石微粉的提纯及分级工艺研究
16.
Study on Extraction & Isolate Process and Activity of Chlorogenic Acid in Flos Lonicera;
金银花中绿原酸提取、分离纯化工艺和活性研究
17.
Studies on the Separation and Lipid-depressing Function of Polysaccharides in the Rosa Laevigata Michx;
金樱子多糖的提取、纯化及其降血脂作用的研究
18.
Study on the Separation and Purification of Hypericin from the Extracts of Hypericum Perforatum L.;
贯叶连翘粗提物中金丝桃素的分离纯化研究