<正>Hominin fossils are the most important materials to explore human origins and evolution. Since most hominin fossils unearthed so far are incomplete, or fill
<正>Researchers with the State Key Laboratory of High Field Laser Physics, the CAS Shanghai Institute of Optics and Fine Mechanics, have been successful in deve
<正>The International Energy Agency (IEA) Report 2008 illustrated that the CO2 emissions from energy consumption in China was 5.6 billion tons in 2006,accountin
Salix L.(willow)is the largest genus of the family Salicaceae and plays an important role in riparian habitats,wetlands and in shrub tundra.Due to the diff eren