查询词典 embryo

Effects of in vitro maturation duration and enucleation time of buffalo oocytes on the NT embryo development were studied.

探讨了受体卵母细胞的成熟和去核时间对水牛核移植效果的影响。

At the meantime, rigid endosperms enwrap the embryo.

这也是其发芽困难的主要原因。

Pluripotency is generated naturally during mammalian development through formation of the epiblast, founder tissue of the embryo proper.

英国剑桥大学发表新闻公报说，该校研究人员确认一种名为"Nanog"的蛋白质是干细胞具有发育成各种类型细胞能力的"总开关"。

In the embryo, Nanog specifically demarcates the nascent epiblast, coincident with the domain of X chromosome reprogramming.

如果没有它，胚胎干细胞将不会发育，而诱导产生多功能干细胞的过程也会失败。

Moutan has two different reproduction ways:obligate seed reproduction and amphitrophic reproduction;the dormitory of its embryo has two stages of epicotyl and hypocotyl;the dormitory could be end if it is treated with two temperature conditions.

Moutan生殖特性，具有根状茎、块根、根出条多种形式的以营养繁殖为主、种子繁殖为辅和专性种子有性生殖的两种类型；胚具有上胚轴、下胚轴两段休眠特性，打破休眠需按一定的程序和两种不同的温度条件；……。

"Evolution" was first used in Preformationism and then in Epigenesis, respectively, to describe the unfolding of preexisted organic structure and the recapitulation of the forms of lower animals by the embryo of higher animals. Then the meaning of species change was added to it in the beginning of the nineteenth century.

"Evolution"一词先后被用在胚胎学的预成论和后成论中，分别用来描述预先存在的有机体结构的展开以及高等动物胚胎对低等动物形式的重演。19世纪初它又被添加上了物种改变的含义。

"Evolution" was first used in Preformationism and then in Epigenesis, respectively, to describe the unfolding of preexisted organic structure and the recapitulation of the forms of lower animals by the embryo of higher animals. The n the meaning of species change was added to it in the beginning of the nineteenth century.

"Evolution"一词先后被用在胚胎学的预成论和后成论中，分别用来描述预先存在的有机体结构的展开以及高等动物胚胎对低等动物形式的重演。19世纪初它又被添加上了物种改变的含义。

"Evolution" was first used in Preformationism and then in Epigenesis, respectively, to describe the unfolding of preexisted organic structure and the recapitulation of the forms of lower animals by the embryo of higher animals.

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In this study,the expression and role of PAI-3 in the epithelization of human skin,including normal adult human skin,cultured differentiated keratinocytes and the development of human embryo,were observed,so as to elucidate the possible role of PAI-3 in the epithelization of skin and provide the experimental base for further studying the mechanism in epithelization of skin and all kinds of skin diseases.

本实验旨在研究正常成人皮肤组织及培养分化KC 中和胚胎生长发育过程表皮KC 中的PAI-3 的表达及作用，希望有助于阐明PAI-3 在皮肤上皮化中的功能，为进一步研究PAI-3 在皮肤上皮化中的机制及各种皮肤疾病提供实验基础。

For household users to establish simple antifreeze dilution disposal ways of applying gender-controlled embryo freezingly-preserved technique by one-step vitrification dilution method,A,B,and C structure approaches of liquid layers in canaliculi were applied to investigate their survival capacity after embryos freshly-split by one-step dilution;and minimum capacity refrigerant method in specific canaliculus and above structure approach of liquid layer B were also applied to compare their survival capacity of frozen and melted embryos freshly split,and frozen and melted IVF embryos splited by one-step dilution.

为了创立在用户庭院就能应用的玻璃化保存性别控制胚胎的冷冻剂稀释处理方法，采用细管内3种不同液体层构成法，对新鲜分割胚一步法稀释后的存活能力进行了研究；其次用特定细管最小容量冷却法与上述3种不同液体层构成中效果较好的B法对玻璃化冷冻溶解的新鲜分割胚、体外受精分割胚及冷冻溶解的体外受精分割胚进行一步法稀释后的存活能力予以对比。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。