查询词典 fertilization cone

Partial or complete removal of cumulus before fertilization had no effect on fertilization rates of oocytes, but complete removal of cumulus impaired embryo development, leading to reduced morula/blastula rates.

受精前去掉山羊卵丘或者去掉部分卵丘对受精率没有显著影响，但是受精前完全去掉卵丘对于胚胎的后续发育有明显影响。

Fertilization played an important role in early calcium uptake by fruit. There was no fertilization in parthenocarpy fruit, and calcium concentration was very high during full inflorescence period.

授精作用对果实早期钙营养的吸收具有重要作用，单性结实的果实无受精过程，在花前钙浓度已居很高水平。

Using RT-PCR analysis, RGS7 was expressed from fertilization to 96 hours post-fertilization of Zebrafish. Expression of RGS7 was found in brain、aorta ventralis、intermediate cell mass and somite by whole-mount in situ hybridization.

因此，利用RT-PCR以及全胚体原位杂合技术，结果发现在受精后0~96小时的斑马鱼胚胎中皆可侦测到RGS7的表现，其表现的位置是在斑马鱼胚胎的脑部、腹侧主动脉、中期细胞团及体节等组织部位。

This review introduced the study of cell cycle of male and female gametes before fertilization; discussed the question of synergid degeneration; analysed status of research into the movement of both sperm cells in degenerated synergid; and evaluated the preferential fertilization of sperm cells and the egg cell activation of angiosperms.

本文介绍了目前被子植物精、卵细胞融合前后的细胞周期变化、退化助细胞的功能、精细胞在退化助细胞中迁移的研究动态、精细胞的倾向受精和卵细胞的激活等被子植物受精生物学领域中的一些新的研究成果和发展趋势。

The effect of chromium trichloride on miotic maturation and fertilization ability of mouse oocyte was studied by in vitro culture of mouse oocyte and in vitro fertilization.

采用小鼠卵母细胞体外培养，体外受精的方法研究了三氯化铬对小鼠卵母细胞成熟和受精能力的影响。

Fertilization is very important to the yield and quality of Trifolium pretense, but the effect of fertilization always ignored.

施肥对红三叶产量和品质的形成有较大的影响，而实际生产中往往忽视了肥料对牧草的作用。

The results indicate that:(1) Using SUZI method can improve the fertilization rates of denuded oocytessignificantly. This result suggests zona pellucida may be one of the reasons that makedenude oocytes matured in vitro have a clearly deficiency on fertilization in vitro.

结果表明：(1)利用精子带下注射技术可以极显著的提高去除卵丘细胞的卵母细胞的受精率，表明透明带结构的改变是去除卵丘细胞的卵母细胞存在受精障碍的重要原因之一。

The trial was designed by orthogonal L9 (3^4) of N, P, K nutrients and three levels respectively in this study. The effects of these nutrients and their levels on growth of seedling height and ground diameter of Agathis dammara were studied and the best fertilization method was determined. The results showed that the effects of high significant differences among different fertilization treatments through 1-8 months.

采用正交试验设计L9(3^4)，通过植物生长所需要的大量营养元素N、P、K三因素三水平及其不同配比的施肥试验，分析了各元素及其水平对贝壳杉苗高和地径生长的影响，确定了贝壳杉苗期生长的最佳施肥方案。

Results showed that regulative fertilization changed agronomical properties compared with conventional fertilization and increased significantly grain weight of one spike and grain yield.

采用田间品种对比试验，在山西汾阳碳酸盐褐土上研究不同养分供应对15个全国区试玉米品种产量潜力变异的影响。

Rising of fertilization membrane during induced maturation indicates insemination is not necessary to form the fertilization membrane. The oocyte will not become fertilizable until GVBD has happened and can still be fertilized after the second polar body extrusion.

卵母细胞只有在生发泡破裂之后才具有受精能力，从生发泡破裂到第二极体排出前的整个减数分裂过程中，卵母细胞都可以受精，但是只有在第一极体排出前受精的卵母细胞才能发生卵裂。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。