查询词典 fertilization

Excessive N fertilization is a common problem in winter wheat and summer maize rotation system in this region.

过量的氮肥施用不仅降低了氮肥的利用率，而且会引起N_2O的大量排放并抑制农田土壤对甲烷的吸收。

North China Plain is one of the most important cereal crops production regions in China. Excessive N fertilization is a common problem in winter wheat and summer maize rotation system in this region.

华北平原是中国重要的粮食产区，氮肥过量投入是目前该地区冬小麦／夏玉米轮作体系中存在的普遍问题。

Proembryo A young plant after fertilization but before differentiation into embryo and suspensor tissue.

原胚：从受精卵分裂形成2细胞胚开始至胚芽和胚柄等器官分化之前的胚。

Suspensor A temporary stalklike row of cells, found in angiosperms, that differentiates from the proembryo by mitosis and pushes the embryo into the nutritive endosperm after fertilization.

胚柄：被子植物中临时由一串细胞排列而成的茎样结构。

During the fertilization of angiosperms, the degenerated synergid induces a pollen tube to enter and break the pollen tube to release two sperm cells, which fuse with the egg and central cell.

在受精过程中，助细胞吸引花粉管向雌配子体生长，并接受花粉管长入细胞程序死亡助细胞中。接下来的花粉管停止生长和花粉管顶端破裂释放出2个精细胞的过程可能也依赖于助细胞。

These nuclei arise as a result of the three meiotic divisions that produce the egg cell, synergid cells, and polar nuclei, but they do not themselves takd part in the fertilization process.

反足细胞本身并不直接参与受精过程。

Three kinds of embryos' chromosome, including goat fertilization embryo, goat-goat cloned embryo and goat-rabbit cloned embryo were analyzed, The results showed that all of them have 60 chromosomes with same character, all were telocentric chromosome, besides the X-chromosome is the second larger telocentric chromosome.

经对超排获得的山羊受精胚、山羊同种克隆胚和羊-兔异种克隆胚的囊胚期胚胎染色体分析表明，三种来源的胚胎其染色体数目均为60条，且所有常染色体均为端部着丝点染色体，X染色体为第二大的端部着丝点染色体，说明山羊同种克隆胚和山羊-兔异种克隆胚均为山羊的核型，是供体细胞核在不同胞质中的重新编程的结果。4。

I think you can放宽心.1, your medication earlier in the previous two weeks after fertilization is not a sensitive period of fetal teratogenesis, during which drugs are generally two results, if the impact most likely will be automatically aborted fetus Another result is that there is no impact .2, you are using a foreign medication, drugs in the composition of it is very difficult to reach .3 fertilized eggs, and now very advanced means of inspection, whether the health of the fetus during pregnancy is easy to check out.

我觉得你可以放宽心。1，你用药时间早，在受精后前两周内不是胎儿的致畸敏感期，在这期间用药，一般是两个结果，如果有影响胎儿保不住会自动流产，另一个结果是一点影响也没有。2，你用的是外用药，药里的成份很难到达受精卵。3，现在的检查手段非常先进，胎儿是否健康在怀孕期间很容易检查出来的。

In this paper, introduced in vitro fertilization and the indications on the basis of the discussion were: Who are the parents of test-tube baby?

本文在介绍体外授精及其适应症的基础上，分别讨论：谁是试管婴儿的父母？

Years ago, in vitro fertilization is also considered a violation of human ethics and code of conduct experiments, but in today's society, test-tube baby has been generally accepted, and judging from the results of the implementation of the new technology really brought the Considerable economic benefits and allow more people to have the opportunity to have a child.

在二十年前，试管婴儿也被认为是违反人类伦理道德和行为准则的实验，但是在当今社会，试管婴儿已被普遍接受，并且从推行结果来看，新的技术确实给人类带来了可观的经济效益和让更多的人能有机会生育子女。

That snake Alaric named Archbishop...

庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。

You have done lots of magical things to be amazed at.

你做了很多神奇的事物感到惊讶。