查询词典 prophase

Polysomes change in number as "few-many-few-many" during the development of the egg, early zygote stage, zygote at dormancy, zygote in prophase of mitosis and two-celled proembryo in sugar beet, which indicates that such changes in metabolism as "low-high-low-high" activity may relate to the transformation from gametophyte to sporophyte generation.

根据上述结果可以得出，栽培甜菜从卵细胞成熟→合子初期→合子休眠期→合子分裂前期→二细胞原胚的超微结构变化中多聚核糖体的变化最为显著，表现为&少→多→少→多&的数量变化过程，反映出细胞代谢状态也经历了&弱→强→弱→强&的变化过程，这种变化趋势与配子体世代向孢子体世代转变有关。

The mature egg cell was an inactive cell with only a few polysomes. At the early zygote stage, a large number of ribosomal precursors were produced by the nucleolus, and many polysomes appeared in the cytoplasm, which suggests a high level of metabolism. Zygote at the dormancy stage had a small nucleolus and marked decrease in ribosomes, as shown by a few polysomes, which suggests decreased metabolism. Zygotes in the prophase of mitosis and two-celled proembryo became active again in metabolism, for a prominent nucleolus, high density of ribosomes and increased number of polysomes in the cytoplasm.

结果如下：在成熟卵细胞中多聚核糖体数量不多，且细胞代谢活性较弱；初期合子内，核仁大量合成核糖体前体物质，胞质中多聚核糖体数目众多，细胞代谢活性较强；休眠期合子的核仁变小，胞质中核糖体数量急剧减少，仅有少量多聚核糖体，细胞代谢活性较弱；合子分裂前期和二细胞原胚期，核仁显著，胞质中核糖体的密度增加，出现大量多聚核糖体，细胞代谢活性较强。

These abnormal changes mainly occurred at two stages:(1) at meiotic prophase, almost half of Peiai 64S microsporocytes exhibited aberration, with sparse free ribosomes, underdeveloped mitochondria and many swollen endoplasmic reticula.

这些变化主要发生在两个阶段：（1）减数分裂前期，约半数的小孢子母细胞的胞质出现异常，游离核糖体稀少，并具有不发育线粒体和大量泡状内质网。

Relative to nitrogen topdressing in prophase, it mainly due to retroposition can provide nutrients for the wheat during flowering and grouting. Another way, it can help slow down the decline in leaf area and leaf chlorophyll content and photosynthetic rate during later stage, to meet the nutritional requirements during developmental stage of grains.

结合以往试验结论，本试验推断认为由于追氮时期后移既有利于开花和灌浆阶段养分的需要，同时有利于延缓小麦生长后期有效叶面积、叶绿素含量和光合速率的急剧下降，从一定程度上满足籽粒发育阶段的营养所需。

The function of Tectorial mostly manifests generational prophase.

覆膜能够促进高丹草的生长发育，节水增产。

Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis.

交叉移端：发生在第一次减数分裂后期，染色体交叉向二价体染色体臂的末端移动的过程。

Is highly debated. Microscopic studies using DMACA staining revealed flavanols in shoot tip cells of Tsuga Canadensis during the early anaphase and in prophase nuclei.

用DMACA染色法的显微研究表明在在加拿大铁杉茎尖细胞分裂后期的早些阶段及细胞分裂早前期的细胞核中都有黄烷醇存在。

During the prophase and anaphase of fruit growth, light,deep and very few V-type concaves generated in \'Kobayashi\' bag,\'Qianwei\' bag and unbagging fruit,respectively.

有袋栽培下可分离的主要放线菌是烬灰类群，另外还分离出白色类群、绿色类群和黄色类群等。2。

The incompatible results have been reported even with the same methods But these studies were carried out on the basis that the structure of nucleolus is regarded as a static state. However, the nucleolus is a highly dynamic structure during the cell cycle. It disassembles in the late prophase and reassembles at the end of mitosis.

不过以前对核仁结构和功能的研究大多只是对细胞间期中某个时期细胞的核仁进行静态研究，然而核仁是一个高度动态变化的结构，在细胞分裂前期解体，在细胞分裂末期又开始重建。

In the way of prophase preparing, this paper emphasizes the importance of full collecting inhering under pipe using no-dig horizontal directional drilling paving in the busy street and emphasizes the exploration technology being the main mean of inhering under pipe. Thus it can provide the main pledge measure of under pipe security and operator security.

在前期准备方面，本文强调在闹市区采用非开挖定向钻进铺设地下管线时全面收集原有地下管线资料的重要性，强调物探技术是对原有地下管线探查的重要手段，即保证原有地下管线安全性及操作人员人身安全的重要保证措施。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。