spawning nest是什么意思

网络释义

用法例句

Olfaction in chemically mediated host seeking and oviposition behavior of mosquitoes;

蚊虫搜寻吸血寄主和产卵行为的调节因子及相关嗅觉机理

Effects of oviposition of anopheles stephensi on malaria exflagellation inducing substance in the different organs;

斑须按蚊产卵对不同器官出丝诱导物质的影响

The feeding and oviposition behaviors of Bemisia tabaci (Gennadius) biotype B on five host plants;

B型烟粉虱成虫对五种寄主植物的取食和产卵行为

Effects of water temperature and photoperiod on maturation and spawn of flounder (\%Paralichthys olivaceus;

水温和光照对牙鲆亲鱼性腺成熟和产卵的影响

Female moth can spawn several times and male moth can mate several.

羽化主要集中在18:00～凌晨2:00,而交尾时间在21:00～24:00,其中23:00左右是交尾高峰;【结论】雌成虫有多次产卵现象,雄成虫具有多次交尾行为。

After artificial enriching nourishment and regulating water temperature and light,the broodstock spawned continually for 27～ 32 d.

试验结果表明,半滑舌鳎雌鱼生长速度明显超过雄鱼;通过强化饵料营养和调控水温、光照等技术,亲鱼可自然产卵,产卵期27~32 d;雌亲鱼近3周龄时首次性腺成熟;产卵量、受精率和孵化率随亲鱼年龄的增长而提高;半滑舌鳎亲鱼在20℃以下时仍可产卵、受精,但受精卵不能孵出仔鱼。

Hydrology status on the spawning ground of Acipenser sinensis below the Gezhouba Dam and its relation to the spawning run;

葛洲坝下游中华鲟产卵场的水文状况及其与繁殖活动的关系

Study on artificial cultivation and spawning technique of fish,Lutjanus erythropterus;

红鳍笛鲷亲鱼培育及产卵技术研究

Behaviors of maturation, mating, spawning and fertilization in Penaeus vannamei;

南美白对虾的性腺发育、交配、产卵和受精

Effect to Egg-laying Caused by Ripeness and Duration of Copulation of Silkworm Moth;

家蚕蛾的成熟度及交配时间对产卵的影响

This paper reports the concentration and its variation of unsaturated fatty acid in crude fat and muscles of both males and females Chinese mitten crab during and after the winter, and analysis the relationship between the death?mating?egg-laying?hatching and the concentration of unsaturated fatty acid.

本文报道了中华绒螯蟹越冬时和越冬后不同性别、不同生活状态粗脂肪中不饱和脂肪酸及肌肉中不饱和脂肪酸含量及变化 ,分析了不饱和脂肪酸含量与越冬死亡、越冬后交配、产卵和孵化关系。