<正> The activities of binary fused salt systems may be directly determined by emf measurement on reversible chemical cells, but it is difficult to employ this
<正> For many years past, the living world has been known to consist of two kingdoms, Plantae and Animalia, fungi and bacteria being regarded as plants lacking
<正> The use of spermatogonial depletion assay (SDA) in the screening of antitumor substance was started in China, and it was reported at the 11th International
<正> The lower Tertiary reef limestone was first found in the Dongying (东营) basin of north Shandong Province. Since then more reef limestone, reef-building an