purity

n.

[化学]纯度；纯洁，纯净；清洁，清白，清廉；（语言）纯正

high purity高纯度

optical purity光学纯度

1. We must ensure the purity of drinking water.
   我们必须确保饮用水的纯净。
2. Chinese people regard lotus as an emblem of purity.
   中国人把莲花看作是纯洁的象征。
3. White symbolizes purity and cleanness.
   白色代表纯洁和干净。
4. It's a soprano of great compass and of great purity.
   这是一种音域宽广，高度纯正的女高音。
5. The ideological purity of their music, however, precluded any sort of jamming.
   然而他们音乐思想上的纯粹性，阻断了任何其他干扰。
6. So in order to study Socrates' legal thoughts, the author uses the methods of limiting materials to ensure the purity, and giving up comprehensiveness to improving authenticity.
   笔者用有限材料来保障纯粹，放弃全面性而提高真实性的方法来研究苏格拉底的法律思想。

Purity and danger : an analysis of the concepts of pollution and taboo
NMR determination of enantiomeric purity
Purity of the sacred lotus, or escape from contamination in biological surfaces
Purity and Danger, An analysis of concepts of pollution and taboo by Mary Douglas
Temperature and Purity Dependence of the Superconducting Critical Field . IV. Strong-Coupling Effects
Low-temperature synthesis of high-purity single-walled carbon nanotubes from alcohol
Nuclei from rat liver: isolation method that combines purity with high yield.
Oligonucleotides having phosphorothioate linkages of high chiral purity
An improved method for isolating type II cells in high yield and purity.
Rapid separation of lipid classes in high yield and purity using bonded phase columns.