1. You know from catastrophe, cata is Greek for down.

2. Cata condensed, peri condensed and biphenyl type aromatic unit structures coexist in resins subfractions and pentane asphaltenes, while the proportion of biphenyl type structure is relatively small.

3. as the China Air Transport Association (CATA) has stopped providing paper tickets and instructed sellers to issue e-tickets.

4. The days of multi-layer air tickets appear numbered , as the China Air Transport Association (CATA) has stopped providing paper tickets and instructed sellers to issue e-tickets.

5. "We haven't received notice from the CATA that paper tickets for international flights will be stopped, " said a ticket agent in Beijing.

6. The phenomena of rapid multipoint autoignition were observed in the experiment of diesel fuel spray issuing into the CATA, and a special lifted flame appeared with a triple flame.

7. This paper introduces a software method of mirroring some cata log on two networked servers.

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

9. Objective:To find out the up to date research progress of Saponikovia cata(Turcz. )Schischk.

10. The palynological assemblage characters reflect that ferns like Pteris trifur cata Ching can adapt the desert environment and has representativeness in these regions.

10. try its best to gather and build good sentences.

11. 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.

12. Results:Lay out the up to date research progress of Saponikovia cata(Turcz. )Schischk.