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The Origin and Diversification of Osteichthyans and Sarcopterygians: Rare Chinese Fossil Findings Advance Research on Key Issues of Evolution
Rare Chinese Fossil Findings Advance The Origin and Diversification
2014/3/26
iving organisms represent
only 1% of all the biota that
has ever existed on earth.
All organisms, living or extinct,
are related to each other by sharing
common ancestors at different levels...
Baltic stratigraphical conferences foster geological cooperation and research in the area
stratigraphical conferences geological cooperation research
2009/10/21
The current special issue of the Estonian Journal of Earth Sciences is devoted to the
Seventh Baltic Stratigraphical Conference (BSC) held in Tallinn, Estonia, on 1522 May
2008. Having had alr...
Research on Purification of Attapulgite Clay and Adsorption Characteristics for Metal Cations
Acid Treatment Alkaline Treatment Attapulgite Clay Cation-Adsorption Purification
2011/11/22
Attapulgite clay(ATP) from Xuyi county of China was purified by a wet method then treated with NaOH and 1.0 mol/L, 2.0 mol/L and 3.0 mol/L solutions of HCl. Transmission electron microscope(TEM) and X...
Research on High Arch Dam Failure Probability Based on Failure Mode
Failure Mechanism Failure Mode Failure Probability High Arch Dam Risk Analysis
2011/12/20
In order to overcome the weakness in traditional high arch dam safety evaluation without considering the randomness, failure mode and risk analysis, it is proposed to apply three indexes namely failur...