Natural Sciences

The picture shows the sight of Dharahara pagoda before the earthquake. Related Science Datasets Basic national information datab...

The left picture shows the sight of Dujiangyan city before the earthquake; the right picture shows the sight of the same place af...

The left picture shows the sight of Beichuan middle school before the earthquake; the right picture shows the sight of the same pl...

In the upper of the picture show the street view of Dujiangyan city before the earthquake; the another picture shows the sight of...

In the upper of the picture shows the topography of the Beichuan city which shot by the satellite before the earthquake; the rest...

In the upper of the picture shows the sight of Penghua village before the earthquake; the rest of picture shows the sight of the s...

On August 24, 79, a strange cloud of smoke appeared on the top of mount Vesuvius. The cloud looked like a huge pillar, stretching ...

According to the precipitation data from 1956 to 1979, the average annual precipitation in this area is 637.7 billion cubic meter...

Generally the ice accretion of glaze is 40 ~ 70 mm in diameter, while it can be hundreds of millimeters sometimes. The ice accret...