1. Earthquake has a spatial and temporal distribution of.

2. The wide spatial and temporal distribution of alkaline magmatism shows that mantle metasomatism is a widespread, long-lived and continuous geological process.

3. The element associations and their spatial temporal distribution are discussed based on synthetic analyses of multiple geological and geochemical information.

4. The results show that temporal distribution is dropping to a low value anomaly for a while recovery dropping again zigzag recovery earthquake occurrence.

5. Geographical distribution of Weihe River valley and the temporal distribution of flood disasters in the valley are described.

6. The temporal distribution characteristics of sunshine duration and its spatial variation with different altitude, slope and aspect were analyzed.

7. In this paper, spatial and temporal distribution characteristics of city ambient air pollution in China were summarized based on API data that were published by SEPA.

8. Finally the regulating strategy is proposed for the temporal distribution of tourists.

9. The enhanced algorithm can characterize the power temporal distribution in cellular environments more accurately and flexibly.

10. The experimental results show that the temporal distribution of inundated area of flood disaster has fractal characteristics.

11. The spatial and temporal distribution and development of dust concentration and structure were simulated by a coupled dust model with non-hydrostatic mesoscale model.

12. The temporal distribution of river water seepage into groundwater system is calibrated on the basis of the river seepage simulating test in typical sites and river seepage mechanism study.

13. In temporal distribution study PR seroprevalence rose as a whole and reached peak in 2003. There were potential rules that a peak value of PR seroprevalence may appear every 5 months.

14. By analyzing the meteorological observational data of dust storms from 1952 to 1994, the intensity division standards are put forward, the features of spatial and temporal distribution are studied.

15. A simulation of domain inversion is modeled by considering the temporal distribution of femtosecond pulses.

16. Meanwhile, the drought criterions, drought indexes as well as spatial and temporal distribution characteristics within dry periods are analyzed.

17. But in the current research on climatic comfort degree of human settlement environment, there is lack of investigation on temporal distribution uniformity degree of the climatic factors.

18. The spatial walk-off effect will influence the optimal second-harmonic conversion efficiency, lowering it to 62% in the case of fundamental pulse with flat-top spatial and temporal distribution.

19. In HRB, water vapor sources for precipitation are complex and the spatial and temporal distribution varies greatly.

20. These data demonstrate that there is an irregular spatial and temporal distribution of late Cenozoic deformation around the Tarim basin.

21. CALIOP cloud products are used to investigate spatial and temporal distribution characteristics of cirrus cloud over China.

22. The modified Z-index is a better approach to reflect the temporal distribution of drought-flood in Yantai.