Waterjet axial pump and the duct propeller;

The new pushboat proposed is very much different from that with a conventional cochlea-channeled-stern and it is fitted with forward rudders + ducted propellers + backing rudders system.

Wood ray and vessel of the trunk and branch wood of Cinnamomum camphora Presl;

Differentiation in a secondary xylem vessel element of Populus deltoides using ultrastructural analysis;

Discovered vessel in the plant of Stangeriaceae of Cycadopsida;

Value of selective mammary ductography in the diagnosis of ductal carcinoma in situ;

Clinical retrospective analysis of female ductal carcinoma in situ of the breast;

Classification of intraductal proliferative lesions of breast and its clinicopathologic characteristics;