一只活体巨型水蚤的眼睛，由来自城市博物馆的维姆·范·埃格蒙德观察和提交。
The eye of a live giant water flea was observed and submitted by Wim van Egmond of the Micropolitan Museum.
这种水蚤可以在整个北美、欧洲和澳洲找到。
The water flea can be found throughout North America, Europe and Australia.
它们经常抓住水蚤后又很快吐掉。
And they often captured water fleas only to spit them out again.
水蚤在胃里被杀死，但是感染性幼虫被解放出来。
The water fleas are killed in the stomach but the infective larvae are liberated.
并且鱼儿们经常逮到水蚤之后却又吐掉它们。
And they often captured water fleas only to spit them out again.
结果表明，氯胺对剑水蚤具有显著的灭活作用。
The results indicate that chloramine is of notable inactivation effect on Cyclops.
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 essay reported the testing method and results of toxicity research of the pesticide to a water flea, Daphnia Magna.
研究人员还发现含氯样本水对两种当地生物胖头鱼和水蚤有毒。
The researchers also found that the chloride-laced water samples were toxic to two endemic species—the fathead minnow and a water flea.
当人饮用这种水时，剑水蚤通过胃酸溶解，将幼虫激活并穿透肠壁。
When a person drinks the water, the Cyclops is dissolved by the acidity of the stomach, and the larva is activated and penetrates the gut wall.
当人饮用这种水时，剑水蚤被胃酸杀死，幼虫则得以释放并穿透肠壁。
When a person drinks the water, the cyclop is killed by the acidity of the stomach and the larva is freed and penetrates the gut wall.
结果表明，中华哲水蚤对浮游植物的选择性摄食具有食物密度依赖性。
The results showed that the selective feeding behavior of C. sinicus was dependent on food density.
幼虫通过水蚤(剑水蚤属)进入人体，在那里发育并在两周后具有感染性。
The larva is ingested by a water flea (Cyclops), where it develops and becomes infective in two weeks.
幼虫通过水蚤（剑水蚤属）进入人体，在那里发育并在两周后带有感染性。
The larva is ingested by a water flea (cyclop), where it develops and becomes infective in two weeks.
指出滤池滞水区停留时间长、流速低是造成剑水蚤二次繁殖的主要原因。
It was believed that the primary reason of the second propagation of Cyclops was the low filtering velocity and the long retention time in the filters.
哲水蚤小海生动物，如哲水蚤属的甲壳类动物，是露脊鲸食物的主要来源。
Minute Marine organisms, such as crustaceans of the genus Calanus, that are a major source of food for right whales.
该文在不同放养生物量下进行鲢鱼和鳙鱼控制水蚤孳生的下行效应试验研究。
This paper investigates the control of the excess propagation of Cyclops by the top-down effect of fish, such as silver carp and bighead carp under different stocking biomass conditions.
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；
Daphnia Magna could respond even if the concentration of pesticide was in microgramme, .
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。
The results show that there are protozoa(main infusorian)and mini-metazoa(rotifer and daphnia)communities in PFU.
异脚类，端足目动物异脚类的一种小甲壳纲动物，如滨海的水蚤，体侧扁，无甲壳。
A small crustacean of the order amphipoda such as the beach flea having a laterally compressed body with no carapace.
“水蚤”不是昆虫而属于桡足类，是一种象龙虾和蟹一样的甲壳类动物，但极其微小。
"Water fleas" are not insects but copepods, a crustacean like lobsters and crabs but extremely small.
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。
Any of various water fleas of the genus Daphnia, some species of which are commonly used as food for aquarium fish.
目的：验证采用大型水蚤检测农药和无机砷污染的饮用水和地表水源水毒性的可行性。
Results:Daphnia magna could detect the toxicity of drinking water and water resource polluted by 0.
“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。
"The Daphnia system is an exquisite aquatic sensor, a potential high-tech and modern version of the mineshaft canary," he said.
鳃足动物一种鳃足亚纲水生甲壳类动物，如神仙虾和水蚤，特征是身体分节，具有平直叶状。
Any of various aquatic crustaceans of the subclass Branchiopoda, such as the fairy shrimp and water flea, characterized by a segmented body and flattened, leaflike thoracic appendages.
而灭活效果受pH值（在.0~8.0之间）、剑水蚤密度、氨和氯的投加时间间隔影响较小。
Other factors, such as pH value (between . 0 and 8.0), concentration of Cyclops and the interval of adding of ammonia and chlorine, are of little influence on inactivation.
并控制三刺鱼在跟快艇噪音程度相当的白噪声中，或者完全安静的环境之下，观察它们捕食水蚤的情况。
And watched three-spined stickleback fish hunt water fleas, to the accompaniment of either white noise calibrated to match the noise level of speedboats or a silent track as a control.
浮游甲壳动物(剑水蚤)在水库水中的孳生给水处理工艺带来了新的问题，同时也给饮用水的安全带来了威胁。
Crustacean plankton (Cyclops) breeding in reservoir has brought new problem to water treatment process, and brought threat to safety of drinking water.
一只活体巨型水蚤（Leptodorakindtii）的眼睛，由来自荷兰鹿特丹城市博物馆的维姆·范·埃格蒙德拍摄。
The eye of a live giant waterflea (Leptodora kindtii), observed and submitted by Wim van Egmond of the Micropolitan Museum in Rotterdam, Netherlands.
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。
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。
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.
应用推荐