查询词典 copepods

During their long evolutionary history, starting in the Lower Cretaceous, copepods spread over all the continents, as well as they successfully colonized about all the available water habitats of the Planet, becoming well adapted or specialized to very different salinity regimes, from marine and hypersaline waters to continental freshwater bodies, and to a wide range of temperature from the polar to the hot springs waters.

在长期进化史，最早始於早期的白垩纪，桡足类散布在各大洲，牠们不但成功地移植居住於地球上所有可利用的水域，而且从海洋与高盐度水域到大陆棚淡水的水体，变成容易适应或限定在不同盐度范围，从极区到热泉的水域具有宽广的温度范围。

The results indicated that different copepods at same natural acclimated temperature and specific copepod at different initial acclimated temperature had different thermal tolerance capability.

结果表明，不同生物在相同适温条件下和同种生物在不同适温条件下的热耐受能力均存在差异。

Dilution the effect of copepod addition incubations were conducted in Xiamen Baozhu waters on November 16 and 27 in order to study the impact of microzooplankton and copepods grazing on the growth of phytoplankton.

2005年11月16日和27日，运用稀释法和桡足类添加法，对厦门宝珠屿海域小型浮游动物及桡足类的摄食对浮游植物生长的影响进行了研究。

However, the metals showed their neurotoxcity, more by enhancing the activity of AChE in copepod. Nevertheless, after 12 d exposure of Cd or Ni, at more extent, MDA level in copepods are little correlated with metal treatments.

同时，镉和镍对桡足类均有神经毒性效应，因为不同浓度重金属均诱导桡足类体内AChE活性的显著变化，但重金属更多是通过AChE活性的提高而呈神经毒性。

Copepods showed responses to fish predation that depended on seasonal successional stage of the initial community, because of changes in their stage structure and edibility as they grew from nauplii to adults.

桡足类对鱼类捕食作出反应，依赖于起初群体的季节性的连续时期，由于它们的阶段性结构变化和可食性随着它们从幼体到成体的增长。

Thirty-two species were identified from the samples, including 19 copepods, 3 amphipods, 3 cumaceans, 2 mysids, 2 chaetognaths, 2 cladocerans, and I euphausiid.

共鉴定出底边界层动物32种，其中桡足类19种，端足类3种，涟虫3种，糠虾2种，毛颚类2种，枝角类2种，磷虾1种，可划分为中型浮游动物、大型浮游动物和超底栖动物三个生物类群。

Fund in the cold waters around Antarctica and southern South America, the crocodile icefish feed on krill, copepods, and other fish.

这种鱼是在南极洲以及美洲南部周围的冷水域发现的。

Fund in the cold waters around Antarctica and southern South America, thecrocodile icefish feed on krill, copepods, and other fish.

鳄形银鱼学名"Channichthyidae"，是在南极洲和南美洲南部周围的冷水域发现的，它们主要以磷虾、桡足动物以及其它鱼类为食。

We also point out some directions for further study, including the toxic speciation of heavy metals in copepods, the physiological and biochemical effects of dietborne metals, and further more, the impacts of heavy metals on copepods life history.

并指出今后的研究重点：桡足类体内致毒重金属的存在形式，重金属食物暴露对桡足类生理生化影响机理，以及重金属对桡足类生活史的影响。

Selective predation of predatory fish can largely reduce the abundance of adult copepods, but doesn't have much influence on species richness of copepods.

水库捕食性鱼类对甲壳浮游动物的选择性捕食，对桡足类种类影响较小，对桡足类成体密度影响较大。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。