查询词典 fertilization

High culturing temperature results in short interval between fertilization and eclosion, whereas more days are required at low temperature. The culturing temperature has a significant influence upon the numbers of P.

在连续60天的观察中，发现同一天的受精卵，在实验室中有两个羽化高峰，间隔呈现似半月周期的现象，两峰的间隔会受全期平均温度的影响，高温两峰的间隔短，低温则较长。

In the present review, we focus on some of the recent advances and some key developmental events revealed in the fertilization process, including the role of the egg apparatus in guiding pollen tube orientation, sperm cell movement to their targeting cells, interaction between gametes, egg cell activation, and onset of embryogenesis and endosperm development.

本文着重讨论受精作用的若干重要发育事件，包括受精前卵器细胞对花粉管向胚珠定向生长的近距离引导信号，精子的靶向运动，精、卵细胞相互作用和配子融合后卵细胞的激活与中央细胞发育的启动等。

Fertilization: Only one sperm cell penetrates the outer layer of the egg cell.

受精受精：只有一个精子穿透卵子的外层。

Embolus was checked for the fertilized mouse next day and it was 0.5 days of fertilization.

一、杂种胚胎来源的ES细胞系的分离与鉴定 1。

In conclusion, both limitation delay studies of [Ca2+]cyt in embryo sac during fertilization.

同时研究胚囊胞质游离钙的技术手段也有很大的局限。

As the male gametophyte, pollen delivers sperm to the embryo sac for fertilization by pollen-tube polarized growth.

花粉作为种子植物的雄配子体，通过萌发后极性生长的花粉管将精细胞送到胚囊完成受精作用。

Under normal circumstances, 42 days after menopause through B ultrasonic examination to the pregnant and the embryo sac, but if you are not allowed to view the ovulation, fertilization implantation time baby will be about 1 week back, so the doctor recommended some menopause 50 days to do the first time the B-ultrasonography.

一般情况下，停经42天后能通过B超检查到孕囊和胚芽，但如果你的排卵期不准，宝宝受精着床的时间会退后1周左右，所以，也有一些大夫建议停经50天后做第一次的B超检查。

A minute structure in seed plants,containing the embryo sac and surrounded by the nucellus,that develops into a seed after fertilization .

胚珠种子植物的一个小的结构，含有胚囊并被珠心所包围，施肥后长成种子受精的产物是杂合子。

Therefore, in vitro fertilization and embryo transfer is the key.

因此，胚胎移植是试管婴儿的关键。

Such as pollination and fertilization, endosperm development and embryogeny, development of pericarp and testa have been investigated with the light microscope.

应用光学显微镜对女贞的传粉和受精、胚乳和胚胎的发育、果皮和种皮的发育等胚胎学特征进行了研究，对木犀科六属的胚胎学特征进行了比较。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。