Quartz, zircon, magnetite, gold are major constituents of littoral placers in Shandong province, while shell, ballstone, ilmenite, rutile being secondary.
Abstract A method is suggested to determine the absolute configuration of ent kaurene diterpenoids by analysing the circular dichroism spectral data of 13 hydroxy ent kaurenoids.
Escallop Shell - One who has made long journeys or voyages to far countries, who had borne considerable naval command or who had gained great victories.
Our business direction supports this idea and we offer wide ranges of exclusive design of our homeware products handmade from Mother of Pearls, Shell and Paua (Abalone skin).
Natural shell artistic treatment coloured drawing or pattern the natural shellwork of Yi Ning company is managed be set up in June 8 , 2006 , main wait for handicraft series of products.