Preparation and Characterization of CeO2-ZrO2 Solid Solutions Prepared by Citric Acid Sol-Gel Method
柠檬酸溶胶凝胶法制备铈锆固溶体的物性和氧化还原特性研究

Members of Chrysochromulina are important components of marine phyto- plankton. Four species in this genus are reported in China for the first time, namely Chrysochromulina cymbium Leadbeater &; Manton, C. hirta Manton, C. megacylindra Leadbeater, C. pringsheimii Parke &; Manton. Their ultrastructures were studied under electron microscope.