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。
Daphnia Magna could respond even if the concentration of pesticide was in microgramme, .
结果大型水蚤能够灵敏检测饮用水农药污染，在浓度达到微克时，仍然有反应；
This article introduced the progress and views of applying Daphnia magna to research work.
通过文献调研综述了国内外大型水（氵蚤）生物测试技术的应用研究动态及发展趋势。
Goss studied Daphnia magna, a tiny freshwater crustacean used in many aquatic toxicity studies.
戈斯以水蚤（Daphniamagna）——一种微小的淡水甲壳类昆虫——为研究对象。 该类昆虫过去常被用于各类水生生物毒性研究中。
The results show that there are protozoa(main infusorian)and mini-metazoa(rotifer and daphnia)communities in PFU.
结果表明：PFU中的原生动物主要是纤毛虫，微型后生动物主要是轮虫和水蚤。
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。
The essay reported the testing method and results of toxicity research of the pesticide to a water flea, Daphnia Magna.
本文报道了新杀菌剂叶青双对水蚤毒性的测定方法和结果。
The certain concentrations of fipronil approaching the LC50 can negatively affect population parameters of Daphnia pulex.
氟虫腈在水中的质量浓度达到LC50时对大型蚤的种群有影响。
"The Daphnia system is an exquisite aquatic sensor, a potential high-tech and modern version of the mineshaft canary," he said.
“水蚤系统是一种敏锐的水中传感器、一种潜在的高科技、一种现代版的矿区金丝雀，”他说。
Flumorph and SYP-48 all can restrain later development phase of Daphnia magma's embryo, such as larval curved or unextended shell spine, undeveloped antennae.
氟吗啉与SYP-48 相似，主要是在高浓度影响胚胎发育后期-幼蚤壳刺弯曲或者发育不完全，第二触角的发育也受到抑制；
Daphnia has a large number of never-before seen genes, as well as a big chunk of the same genes found in humans, the most of any insects or crustacean so far known to scientists.
水蚤有大量之前从未见过的基因，也有一大堆在人类身上就发现的相同基因，其数量是至今科学家所知的昆虫或甲壳类生物中最多的。
Fig. 1 Haplotype network for Daphnia longispinacomplex based on mitochondria COI gene sequences. Numbers between subnetworks represent the average number of mutations between subclades.
图1基于COI基因序列构建的长刺溞复合种单倍型网络图（图中数字代表了各分支的平均突变数量）。
The Daphnia magna of the two population has obvious around-the clock ingestion rhythm, the morning and the evening are two peaks of ingestion. Salinity has no influence on the ingestion rhythm.
二个种群的大型溞具有明显的昼夜摄食节律，早晨和傍晚为两个摄食高峰期，盐度对摄食节律无影响。
The Daphnia magna of the two population has obvious around-the clock ingestion rhythm, the morning and the evening are two peaks of ingestion. Salinity has no influence on the ingestion rhythm.
二个种群的大型溞具有明显的昼夜摄食节律，早晨和傍晚为两个摄食高峰期，盐度对摄食节律无影响。
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