胚胎

Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.

在这个过程中珠心的二倍体细胞发育为胚胎，二倍体种子的遗传组成与亲本完全相同。

In this paper,a list of apomitic species of Paspalum is given.The cytological and embryological bases,and the characters of apomixis are described.Advances in genetics and molecular biology of apomixis aye in Paspalum also reviewed.

对雀稗属无融合生殖的分布、无融合生殖相关的细胞学和胚胎学基础、无融合生殖的特点及其遗传学和分子生物学研究进展进行了综述。

In angiosperms, a diploid embryo may develop from a cell of the nucellus or chalaza; this is also apospory.

在被子植物中。二倍体的胚胎可以从珠心或合点的细胞发育而来，这也可以被称为无孢子生殖。

Seeds is the most economic index of peanut Arachis hypogaea L.

胚胎早期发育是花生产量和品质形成的重要时期，其幼胚发育的正常与否直接关系到以种子为经济指标的花生生产的效益。

Simultaneously the four cells of the tier below the embryo, the suspensor cells, elongate greatly and force the four developing embtyos through the wall of the archegonium and into the female gametophyte.

同时地列的这四个细胞在胚胎，suspensor 细胞，下面延长很大而且强迫穿过造卵器的墙壁四发展中的 embtyos 和进入女性的配偶体之内。

An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.

原肠胚一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠

In addition, we used the cDNA array platform to analyze the expression pattern of HCCs and fetal livers. The molecular mechanisms of carcinogenesis and organogenesis were also compared.

另外，本实验室还利用自建的cDNA array技术平台，分析了HCC与胚胎肝脏的基因表达谱，比较肿瘤发生机制与器官发生机制的异同。

Keywords: Artemia from China;early embryonic development;related genes;mRNA differential display

中文关键词：中国卤虫；早期胚胎发育；相关基因；mRNA差异显示

The proteomics research of Artemia sinica has gradually become one important post-genome research focus.

本研究在建立了高质量的蛋白质组学研究平台的同时，还对卤虫胚胎在不同发育组织时期的蛋白质构成进行了调查研究。

In this experiment, the related genes of early embryonic development of Chinese Artemia Pathenogenatica have been studied by mRNA Differential Display.

本研究采用mRNA差异显示方法分离中国孤雌生殖卤虫早期胚胎发育相关基因。

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。