Technique for artificial breeding and culture of perinereis aibnhitensis grube in ponds 双齿围沙蚕人工育苗和虾池养殖技术研究
Comparative study on effects of nitrogen , phosphorus and iron nutrient concentrations on growth of different strains for phaeodactylum tricornutum 若干生态因子对双齿围沙蚕生长发育的影响