The negative assosiation between Ligula intestinalis and Diphyllobothrium sp. and between Ligula intestinalis and Contracaecum rudolphii are obvious.

这与宿主的行为和食性改变有密切关系。舌状绦虫与另两种蠕虫间有显著负协调关系。

The fat content and the fatty acid compositions in styela clava and dona intestinalis from Yantai sea area were analyzed and the extraction technology was studied.

对烟台渤海湾的柄海鞘和玻璃海鞘的脂肪含量及其脂肪酸组成进行了分析,并对其提取工艺进行了研究。