查询词典 daphnia

In order to reflect the toxicity of cadmium in the two different systems: overlying water system and watersediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生物，以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标，考察了上覆水体系与水柱－沉积物共存体系中金属镉的毒性状况，探讨了水体沉积物中重金属的生物毒性作用机制。

In order to reflect the toxicity of cadmiumin the two different systems: overlying water system and water-sediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生物，以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标，考察了上覆水体系与水柱-沉积物共存体系中金属镉的毒性状况，探讨了水体沉积物中重金属的生物毒性作用机制。

Based on LSER method, the relationship between the acute toxicity of 26 substituted aromatic compounds on Photobacterium phosphoreum, Daphnia magna and fathead minnow and their theoritical solvatochromic parameters, the high correlation were found, it provided an example to introduce the quantum chemical parameters into QSAR study.

以线性溶剂化能相关理论为基础，利用理论溶剂化参数分析了26种取代芳香化合物对呆鲦鱼、发光菌和大型蚤的急性毒性，为成功地将量子化学参数引入QSAR研究探寻了一条新路。

The paper studied the degradation rule of Bromo-Chloro-Dimethyl Hydantoin in water environment and its acute toxicity to 4 aquatic organisms(Photobacterium phosphoreum, Chlorella vulgaris, Daphnia magna Straus and Brachydanio rerio).

研究了新型消毒剂溴氯海因在水环境中的降解规律及其影响因素以及BCDMH对4种不同生态位水生生物(发光菌、小球藻、大型溞和斑马鱼)的急性毒性。

In this paper, the 48 hours behavioral changes of Daphnia magna exposure to three typical pesticides were studied.

研究结果表明，在不同浓度百菌清、除草醚和溴氰菊酯的作用下，大型蚤的运动行为强度会发生剧烈变化，并呈现明显的剂量-效应关系。

The compositions of fatty acids of water flea "Daphnia pulex" cultured in liquid of Banta (1.5 g cow dung; 2 g rice straw; 20 g good soil; 1000 ml water), bread yeast and "Chlorella sp."

在Banta液（牛粪1.5g+干稻草2g+沃土20g+水1000ml）、酵母、小球藻三种培养条件下，比较研究了蚤状溞的脂肪酸组成。

The acute and chronic toxicities of benzidine to Daphnia magna were studied.

研究了联苯胺对大型溞的急性毒性和慢性毒性。

The male reproductive system retains its primative characters on structure and function, but it has also made up its adaptability through the long-time evolution, which enables Daphnia carinata and other species of Cladocera to live with the changeable living environment.

隆线溞雄性生殖系统在结构与功能上表现出相对的原始性和适应性，两者相互结合，使以隆线溞为代表的枝角类更能适应复杂多变的生活环境。

Many investigators have studied the toxic effects of heavy metals on Daphnia.

值得注意的是，在土壤和富营养化的水体中，氮、磷和重金属污染往往同时存在。

Any of various water fleas of the genus Daphnia, some species of which are commonly used as food for aquarium fish.

水蚤水蚤科中的一种水蚤属水生跳蚤，其中的一些种类通常用作水族馆鱼类的食物

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。