1.
Toxicological Study of Cadmium、Chromium and Acetochlor on Spirodela Oligorrhiza;
Cd～（2+）、Cr～（6+）和乙草胺对少根紫萍的毒理学研究
2.
Have we not been reminded often enough not to be rootless floating weeds?
不要做无根的浮萍，这话我们听得还少吗？
3.
Comparative Studies on the Tolerance of Spirodela Polyrrhiza and Lemna Minor to Cu Stress;
紫背萍与青萍对Cu耐性的比较研究
4.
Toxicity Action of Pb(II)with Different Concentrations on Lemma aequinoctialis and Spirodela polyrrhiza
不同浓度Pb(Ⅱ)对稀脉萍和紫萍的毒性效应
5.
Research on the Experiment of Spirodela Polyrhiza s Increasing Production under Certain Controls;
紫萍在一定管理条件下增产试验研究
6.
Any of various small, free-floating, stemless aquatic flowering plants of the genus Lemna.
浮萍一种浮萍科小而无根，自由浮动的水生开花植物
7.
Physiological and Biochemical Responses to Supplementary UV-B Radiation in Spirodela Polyhiza;
UV-B辐射对紫萍（Spirodela polyhiza）生理生化效应的研究
8.
The Toxic Effects of Triphenyltin on the Growth and Enzymic Activity of Spirodela Polyrrhiza
三苯基锡对紫萍生长及酶活性的毒性作用
9.
Clinical observation on helicobactor pylori eradiating therapy in children with idiopathic thrombocytopenic purpura
根除幽门螺杆菌治疗儿童特发性血小板减少性紫癜的临床观察
10.
Effect of Helicobacter pylori eradication on childhood acute idiopathic thrombocytopenic purpura
幽门螺杆菌根除对儿童急性特发性血小板减少性紫癜的疗效
11.
The Individualized Training of the Sprinter Qin Wangping;
优秀青少年短跑运动员秦旺萍的个性化培养
12.
Study on Extraction and Purification Technology of Total Flavonoids from Spirodela Polyrrhiza (L.) Schleid and the Bioactivity;
紫萍总黄酮提取、纯化工艺及其抗癌、抗氧化损伤的活性研究
13.
Endopeptidase Isozymes in Spirodela polyrrhiza Half-fronds during Senescence by Electrophoresis
凝胶电泳法研究紫萍半叶状体衰老期间的内肽酶同工酶
14.
The Protective Effect of Spirodela polyrrhiza(L.) Schleid Extract on ECV-304 Injury Induced by Hydrogen Peroxide
紫萍提取物对过氧化氢诱导内皮细胞氧化损伤的保护作用研究
15.
Beta vulgaris L. var. rosea Moq.
根甜菜 -俗称:紫菜头
16.
The root of this plant or the red dye extracted from the root.
紫朱草根，紫朱草素该种植物的根或从其根部提取的染料
17.
lack a bough or boughs.
缺少一根或多根大树枝。
18.
Plants like duckweeds float on the surface of still and slow-moving waters, while those with roots and flexible stems can stand in swift-flowing streams.
从漂浮在静止或者缓慢流动的水面上的浮萍，到位于激之流中的长着根和柔软茎的植物。