查询词典 daphnia

Daphnia magna have been used word-wide as a standard test organism for ecotoxicological evaluation of contamination.

大型溞是国际公认的标准实验生物，广泛应用于污染物的生态毒性评价。

Their Tua values to Daphnia magma were 151.52 and 70.96, and to Brachydaniorerio were 2.41 and 2.12, respectively.

其中，水样1和水样3的毒性较大，对大型蚤的Tua分别为151.52和70.96，而对斑马鱼的Tua分别为2.41和2.12。

The toxicity of trichlorphon would become degradation after a week under the same conditions. For example, the survival rate of Daphnia pulex reached to 100 percent in the concentration of 200μg/L after 144h and 65 percent in the concentration of 400μg/L after 168h.

在相同的实验条件下，敌百虫溶液的毒性可在一周后降解：如200μg/L的敌百虫溶液在放置144h后，蚤状溞的存活率就达到100％；168h后，400μg/L的存活率为65％。

Fishing for Daphnia and other "live food" for our fishes, we discovered the richness of all that lives in a pond.

我们在水塘里为自己养的鱼捕捞水蚤和别的&活食&时发现，仅仅一个池塘容纳的生物品种就是如此丰富。

The results showed that the toxicity of brofluthrinate to birds, bees and earthworms is low, to fish is medium, and to Daphnia, alga, silkworms is high.

结果表明：其对鸟类、蜜蜂和蚯蚓的毒性较低；对鱼类属中等毒性；对B045类、藻类和家蚕属高毒性。

The scientists have now moved on to test the effect on the Daphnia of temperature change in the ponds, since increased UV radiation generally creates higher temperatures.

科学家现在提出来测试对温度变化的池塘水蚤影响，因为增加的紫外辐射，通常创造更高的温度。

Newly hatched larvae known as nauplii Daphnia morphology similar to that after four times after the camp molt parasitic life.

刚孵化的幼虫称为无节幼体，形态与水蚤相似，经过4次蜕皮后开始营寄生生活。

The salt tolerance of daphnia magna is closely related to the acclimatization method.

盐度缓变时，大、小水体二个种群的生殖盐度上限为8.8‰和9.4‰。⑥。

Since the quantity of nutrients was higher in 1999 than 1997, it was considered that decrease in these phytoplankton was due to Daphnia grazing.

自99年营养盐含量较高以来，浮游植物减少被视为溞类的摄食所致。

Sample 2 had low toxicity to Daphnia magma and Brachydaniorerio, and its Tua values were 4.39 and 1.97, respectively.

水样2对大型蚤和斑马鱼都属于低毒等级，其Tua依次分别为4.39和1.97。

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。