trapa

The Effects of Cr~ ( 6+)'s Pollution on the Ultrastructure of Hydrocharis dubia and Cell Membrane of H.verticillata, Brasenia schreberi, Trapa bispinosa

Cr~（6+）污染对水鳖的超微结构及菱、莼菜、黑藻细胞膜的影响

To determine the content of gallic acid in fruit of Trapa manshurica by HPLC.

用高效液相色谱法测定菱角药材中没食子酸的含量.

A plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits.

菱属的一种植物，长带四个尖儿的坚果状、可食用的果实。

analysis of morphological plasticity of trapa from china and its taxonomic signification

菱属植物形态性状的可塑性及其分类学意义

Ropivacaine is a long-acting amino amide class of local anesthetics, developed by Astra pain control ab, sweden.

罗哌卡因（ropivacaine，r）是一种新型长效酰胺类局部麻醉药，由瑞典阿斯特拉疼痛控制中心（astrapaincontrolab，sweden）研制开发。

Effects of lead polluted water on activities of superoxide dismutase, peroxidase and ultrastructure in leaves of Trapa bicornis seedlings

铅污染对菱幼苗SOD、POD及叶细胞亚显微结构的影响