Two water-based ferrofluids were prepared with peptization technique using dodecylamine and dodecanoic acid as dispersing agent.

摘要以十二烷胺和十二烷酸作分散剂，用胶溶法制备了两种水基磁流体。

Results Forty-seven components were identified and Caryophyllene oxide, Spathulenol, Cyclododecane and Dodecanoic acid were found to be the major components of the essential oils.

结果从贯叶连翘挥发油中鉴定了47种化合物,其氧化石竹烯、斯巴醇、环十二烷、月桂酸等化合物为贯叶连翘挥发油的主要成分。