nauplius

nauplius

1. When it was 13 days old,the bait would changed to nauplius of Artemia and baby-size Cladocera、Copepoda.

13日龄后的仔鱼开始陆续投喂卤虫无节幼体和小型的枝角类、桡足类等。

2. CAI Sheng-li,LIU Fu-jun,FENG Pu-gang.Fatty acid profiles in egg and nauplius of Penaeus vannamei and the relationship with maturation diets[J].J of Fishery Sciences of China,2002,9(2):142-146.

[6]蔡生力,刘福军,冯普刚.南美白对虾卵和无节幼体脂肪酸组成及其与饵料的关系[J].中国水产科学,2002,9(2):142-146.

3. Keywords Artemia nauplius heavy metal toxicity joint toxicity;

卤虫;无节幼体;重金属;联合毒性;

4. Nauplius, protozoea and zoea can be further divided into 4, 3 and 2 substages, respectively.

各期又可分成无节幼体四期、蚤状幼体三期及糠虾二期。

5. at the same time, ovum、nauplius、zoea and mysis were soaked in the virus suspended liquid isolated from the sick shrimps at different temperature.

同时从病虾中分离出病毒悬液作为毒种,对卵、无节幼体、蚤状幼体和糠虾幼体进行不同温度条件下的人工浸浴实验。

6. at the same time, ovum、nauplius、zoea and mysis were soaked in the virus-suspended liquid isolated from the sick shrimps at different temperature.

同时从病虾中分离出病毒悬液作为毒种，对卵、无节幼体、蚤状幼体和糠虾幼体进行不同温度条件下的人工浸浴实验。

7. In the course of development, the invagination of stomodeum occurs earlier than that of proctodeum at the third and the sixth nauplius stages respectively.

在发育过程中,口凹是在第三期无节幼虫时内陷形成,而原肛是在第六期无节幼虫时内陷形成的,所以口凹的发生早于原肛的发生。

8. With the forming of the antennula, the egg nauplius stage is identified.

在小触角原基产生后，胚胎发育 进入卵内无节幼体期。

9. Larval stages could be divided into four stages: nauplius, protozea, zoea and postlarva.

幼体的发育可分成四期:无节幼体、蚤状幼体、糠虾及仔虾。

10. nauplius larva

无节幼体(动)

11. nauplius segment

无节幼体体节

12. nauplius stage

无节幼体期

13. nauplius eye

无节幼体眼

14. nauplius Early egg-shaped larval stage of prawns and other crustaceans. Nauplii are unsegmented and bear three pairs of appendages. Important fish food, especially for fish larvae.

无节幼虫虾与其他的甲壳动物最早的卵形幼生期。无节幼虫不分节而且有三对附肢。是鱼重要的食物，尤其对于仔鱼。

15. Keywords marine environmental chemistry;Balanus albicostatus Pilsbry;nauplius;acute toxicity;heavy metal;

海洋环境化学;白脊藤壶;无节幼体;急性毒性;重金属;

16. Toxicity effects of main Heavy Metal Pollutant of the Bohai Sea on Artemia Nauplius

渤海主要重金属污染物对卤虫无节幼体的毒性

17. The results showed that the first-feeding occurred on 2 DAH, and preyed mainly on copepod nauplius, larval copcpod and cladocera, the recipe was chiefly composed of copepod, and large zooplanktons.

结果显示：军曹鱼仔鱼于2日龄开口，主要摄食桡足类无节幼体和桡足幼体及枝角类；

18. The result showed tha tovum、nauplius、zoea and mysis were not sensitive to the virus-suspended liqu id and there was not feature disease founded in the observation of pathological sections;

结果表明，卵和无节幼体、蚤状幼体、糠虾幼体对病毒悬液不敏感，病理切片观察未见特征性病变。

19. Toxicity effects of heavy metal pollutant on artemia nauplius

重金属污染物对卤虫无节幼体的毒性