noble metals造句

a noble gas such as helium or neon; noble metals include gold and silver and platinum.

This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.

The combination of refractory and noble metals in a single layer makes etching a formidable task.

All of these, like gold, are noble metals, meaning that they are resistant to corrosion.

An approach on ore-forming of Ni-Mo deposit containing noble metals in Northwest Human

The luminol chemiluminescence reactions on noble metals and their applications in analytical chemistry are reviewed with 18 references .

In waste perforated anode and cathode plates, there are many noble metals and materials which will bring serious pollution to environment.

In this article, the authors evaluate the clinical effect of 201 Porcelain-fused-to-noble metals Crowns made in Department Prosthodontics of the 2th people Hospital of YunNan Province in three years.

While the "noble metals" maintain an aristocratic exclusiveness which protects them against rust or tarnish, iron is passionately fond of society, especially that of oxygen, which, cleaves to it closer than a brother.