精子的

Checks for HIV require the sperm to be frozen and quarantined for at least six months.

检查艾滋病毒，需要的精子将被冻结，并隔离至少为六个月。

At present, the only "living" things that are regularly frozen and then reanimated are embryos and sperm.

目前，经过常规冷冻后能复苏的&活体&只有胚胎和精子。

In this work, by reconstituting the channel protein into lipid bilayer, Ca2+ channels in human spermatozoa were investigated with voltage clamp technique.

本工作将通道蛋白重组于脂双层，在电压箝位下记录了人精子膜的Ca2+通道电流。

The gonadosomatic index of these sauries from Anqing area of the Yangtze River was higher than that from Jiangyin area at the same period,while there was no statistical difference.

池塘养殖雄性刀鲚在6月、9月基本处于增殖期，精小叶腔中存在一定量的精子细胞，但未见性成熟个体。

Technique of sexual semen with H-Y sperm immunity and sexing control immunity for early embryo on improving animal reproduction was discussed in this review.

H-Y精子免疫法性别化精液技术、早期胚胎性别控制免疫技术等在提高动物繁殖力方面的重要作用。

The more a male squeezes, the greater the chance that it will be his sperm that sires her offspring.

研究人员还认为，雄蜘蛛的挤压动作能促使精子进入雌蜘蛛体内更深处，这更有可能令雌蜘蛛卵子受精。

The more a male squeezes, thegreaterthe chance that it will be his sperm that sires heroffspring.

研究人员还认为，雄蜘蛛的挤压动作能促使精子进入雌蜘蛛体内更深处，这更有可能令雌蜘蛛卵子受精。

So we're talking about sperm donors.

所以我们现在在讨论精子捐赠者的事

Secondly, there is a long-term increase in consumption of certain food preservatives or nitrites between sulfa agents of food color food, raw cottonseed oil, celery, etc., can also lead to decline in the quantity and quality of sperm.

其次，长期食用某些加有亚硝酸盐类食物防腐剂或间磺胺类食物有色剂的食品、生棉籽油、芹菜等，亦可导致精子数量和质量下降。

"In mammal s, the fertilized egg or zygote undergoes cleavage (cell division without cell growth) to form a hollow ball or blastocyst."

在哺乳动物中，卵与精子结合而成受精卵，受精卵发生数次细胞分裂后，形成一个中空球形的囊胚。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。