hatching rate

The effects of temperature, salinity, pH, egg density, chemical fertilizer and phytoplankton on the hatching rate of eggs of Sinonovacula constricta have been studied.

本文主要探讨了几种环境因素（温度、盐度、pH值、密度、化肥施用量及藻类）对缢蛏受精卵孵化率的影响。

The hatching rate of comparison group was 83.3%.

而对照组孵化率为83.3%。

The results indicated that when treated the fecundity 、 egg hatching rate and duration of lay egg for the diamondback moth under 520 nm LED light were significantly lower than that of under darkness.

结果表明，520nm LED灯处理下小菜蛾产卵量、卵孵化率及产卵历期显著低于黑暗条件。

The study systematically researched on the effect of environment factors such as water quality, water temperature, incubation density as well as incubation facilities and management technique to the hatching rate of the Chinese giant salamander.

系统研究了影响大鲵子二代孵化率的环境因子（包括水质、水温、孵化密度）、硬件设施和软件管理技术。

Usually the hatching rate of the nymph reached the peak when the new tips of Magnolia grandiflora grew to 6.7-8 cm long.

生长正常的广玉兰新梢生长到6.7~8cm长时，通常日本壶链蚧的若虫孵化率达到高峰。

When eggs placed out of the wood block, egg stage is 13~ 15days, average hatching rate and average parasite rate are increased, they are 83.3% and 87.5% respectively.

卵放在木段外，卵期缩短为13～15天，平均孵化率及初孵幼虫对光肩星天牛幼虫的平均寄生率均有所提高，分别为83.3%和87.5%。

Effect of electromagnetic field on the hatching rate of fry, the ability of resistance against thermal change and the growth rate in later stages of freshwater fish

电磁场对几种淡水鱼鱼苗胚胎期的出苗率、抗温变能力和后期生长速度的影响

This paper discussed the relationship between laser irradiation time and hatching rate of ArtemIa eggs.

本文讨论了激光照射时间与卤虫卵孵化率之间的关系。

Female specific protein compound promoting gonad maturation and increasing hatching rate of Monopterus albus

雌性特异蛋白质复合物促黄鳝性腺发育、提高黄鳝孵化率

Embryos after culture ever day , the blastocyst formation rate and hatching rate were accounted.

结果输卵管积水组的胚胎成囊率和囊胚孵出率低于无积水组,并呈剂量依赖性.

Comparison of Four Methods for Improving Hatching Rate of Anopheles anthropophagus' Eggs

四种方法提高嗜人按蚊卵孵化率的效果比较

Methods Experiment on spawning rate, hatching rate, growth and survival rate of Bareneck goby were carried out under different saline conditions.

方法比较不同盐度梯度条件下裸项栉鰕虎鱼的产卵率、孵化率和生长存活情况。