Before that, you can determine the age of zircon from different mountains ranges.

在这以前，你会根据山川的范围程度判断其大致的年龄。

As the possible implications of the zircon discoveries spread through the scientific community, the excitement was palpable.

锆石可能潜藏著秘密，当这个发现在科学界散布开来，所引起的兴奋可想而知。

Zircon U-Pb ages, geochemistry and its petrogenesis of Jurassic granites in northeastern part of the Da Hinggan Mts.

大兴安岭东北部侏罗纪花岗质岩石的锆石U-Pb年龄、地球化学特征及成因。

The zircon powder with smaller particle size can be introduced to improve thermal shock resistance of the specimen.

较小粒度的锆英石细粉对提高试样抗热震性能十分明显；

For instance, in this rock here, there are zircon crystals that are one-third of the age of the universe.

例如，在这里的这块岩石中，有宇宙年龄三分之一的锆石晶体。

They produce everything from aluminium to zircon, and so are less susceptible to fluctuations in the price of any particular metal.

它们的产品包罗万象，从铝到锆石不一而足，故而不易受到某一种金属价格波动的影响。

Zircon sand products company mainly applies to: chemical, fire resistance, ceramics, casting a wide range of industries.

我公司锆英砂产品主要适用于：化工、耐火、陶瓷、铸造等广泛行业。

Studying on variation of uranium content in zircon makes it clear whether gem radioactivity can be safe for human being.

通过对锆石铀含量变化的研究，探讨了宝石放射性及其对人体是否安全的问题。

The ingredients of the product comprise zircon sand, limestone, calcium phosphate, calcium fluoride and borax.

产品成份为锆英砂、石灰石、磷酸钙、氟化钙、硼砂。

NEW Mesh ring with heart. Large heart. Made of Zircon and sterling silver.

大心型镶嵌锆石编织网戒指。