You know from catastrophe, cata is Greek for down.

从大灾难这个词知道，希腊人用cata表示下降。

With the reaction between uranium tetrafluoride and steam as an example, the method for the development of the gas -solid non-cata…

以四氟化铀与水蒸汽反应为例，说明建立气——固非催化反应动力学模型及其参数估计方法。

Conclusion: Mastery the up to date research progress of Saponikovia cata (Turcz.) Schishk. and afford useful inference of its exploitation and application.

结论掌握中药防风的最新研究进展为防风的开发利用提供了有益的参考。

The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.

戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。