查询词典 spermatozoa

Methods of sex control were mainly realized by XY spermatozoa isolation and embryo sex identification.

目前哺乳动物的性别控制的方法很多，主要是通过XY精子分离和早期胚胎性别鉴定来实现。

Furthermore, urogential inflammation could also disturb the expression of TNF-α in human spermatozoa.

泌尿生殖道感染及炎症也可能影响精子TNF-α的表达，其机制和意义有待进一步的研究证实。

The article made a simple review on the advances of spermatozoa cryopreservation in rat.

本文就国内外大鼠精子冷冻的研究现状作一简要综述。

In this study, we examined the effect and the mechanism of ANP on porcine oocyte maturation, fertilization and giant panda spermatozoa function.

本文以猪和大熊猫为对象，研究了ANP在卵母细胞成熟和精子功能中的作用及机理。

The expression of specific genes in sex chromosomes is the basis of sexspecific membrane protein in mammalian spermatozoa.

在精子形成过程中，存在性染色体特异基因的表达，这是X、Y精子膜蛋白差异形成的基础。

Our results indicated that Y-encoded genes'mRNAs were reserved selectively in mature spermatozoa.

以上结果说明成熟精子对Y染色体编码的基因mRNA是选择性保留的。

Fertilization is a complicated biological process, during which spermatozoa must undergo proper changes in thei...

在这一过程中精子首先必须经过复杂的结构和功能改变，完成获能和顶体反应。

The sperm motility, the ultrastructure of spermatozoa and spermatogenesis were also studied.

并研究了斜带石斑鱼的精子活力，精子发生和精子超微结构。

The effective survival time, total survival time and survival index of spermatozoa were observed in succedent experiment.

本试验旨在通过不同添加物质之间的对比试验，筛选出保存效果好的稀释液配方

In this project we use microscopic and submicroscopic technology to research the sperm morphology and its ultrastructure of Leptobrachiinae, discuss the characters and taxonomics of spermatozoa and its utilization on the taxology, relatedness, phylogeny of Leptobrachiinae. this study will provide the new cues for the presented problems about the taxology and phylogeny in this field. Likewise,ultrastrucure of sperm are also disscussed.

本项目采用显微和亚显微技术，对拟髭蟾亚科各属代表种精子的形态结构进行系统地研究，分析各属物种精子的形态结构特征，比较它们的异同，探讨该亚科精子的分类；探讨精子形态分类与该亚科物种的分类和系统进化的关系，为解决一些分类和进化问题提供精子学证据；并对重要种类精子的超微结构进行研究。

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。