精子的

In aspermous Patients the reason is the obstruction of spermatogenesis, the most common obstruction occurs in the spermatid level.

在无精症患者中是由生精阻滞所致，最常见的阻滞发生在精子细胞水平。

Three methods, which were SDH activity, specific fluorescent probe（Rh123） and mitochondrial 16S rDNA gene amplification, were used to detect sperm mitochondria of Eriocheir sinensis, and three tissues——muscle, branchia and testis, were investigated as control.

以中华绒螫蟹肌肉、鳃和精巢为对照，从线粒体标志酶SDH活性、线粒体特异性荧光探针（Rh123）以及线粒体16S rDNA PCR扩增3个途径，探讨了该蟹精子线粒体的存在状况。

The results show that change laws of spermatozoa activity for carp and blunt snout bream are in D-galactose solution.

精子快速运动和寿命的时间是以在D－半乳糖溶液中为最长。

Objective:To study the molecular mechanism of cadmium chloride on the damage of spermatogenic cell damage.

目的：研究镉暴露对雄性小鼠精子生成的影响及其分子机制。

Effects of GABA and P4 used alone or together on capacitation stage of guinea pig spermatozoa in vitro

表 1。 GABA和孕酮单独或合并使用对豚鼠精子体外获能的作用

It can succeed in making wapiti sperm capacitation in vitro by use of the method sperm-up.

采用上浮法可使马鹿的精子体外获能。

Objective: To investigate the progesterone-binding site on the normal fertile human sperm membrane after 2 hours of in vitro capacitation.

目的：研究体外获能2h后正常生育男性精子膜上的孕酮结合位点。

The results indicate that sperm capacitation stage rather than the AR stage is dependent on extracellular Cl-.

我们的结果表明精子获能阶段依赖胞外Cl-。

The research of sperm capacitation establishes a base which people may directly observe the process of fertilization and study the mechanism of fertilization.

文章主要对精子获能的变化、机制及体外研究进行了综述。

Objective Understanding the distribution and changes of SA-30 during mouse spermatogenesis,maturation,capacitation and fertilization.

目的 检测SA-30(sperm antigen-30)抗原在小鼠精子发生、成熟、获能及受精后的分布变化。

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。