周期的

AIM: The effects of nerve growth factor on the proliferation andcell cycle of human dental papilla mesenchyme cells were detected to evaluate its possible roles in tooth development.

目的：观察神经生长因子对人牙乳头间充质细胞增殖和细胞周期的影响，探讨其在牙胚生长发育过程中的可能作用。

Regulation of cell cycle is the last link of the series of messager conduction of cell proliferation.

细胞周期的调控是细胞增殖一系列信号转导途径的最后环节，其中〓期最重要。

In addition, many experimental designs in both research and clinical applications involve culture of matured oocytes prior to micromanipulation or insemination.

然而，人类和一些动物通常可以在发情周期的任何一天从事性行为，这可能导致排卵后老化的卵母细胞受精。

In truth, design is a misnomer, since it suggests just one portion of the complete product life cycle.

事实上，设计是一个使用不当的用词，因为它表明只有产品完整生命周期的一部分。

High dosage of Nicotinamide can induced changes of cell apoptosis and cycles, it provide evidence for dosages of Nicotinamide in clinic.

高剂量烟酰胺能够诱导GLC-82细胞凋亡及周期的改变，为临床上用药剂量提供一定的依据。

This noncompliance is led by the characteristic of economy system.

经济周期的直接成因是总需求与总供给的不一致。

These signals are instantaneous and nonperiodic, some of them have very high frequency.

这些信号是瞬变的非周期的单次脉冲信号，有的频率很高。

It may be periodic or nonperiodic, i.e., it may or may not exhibit a regular period of repetition.

它可能是周期性或非周期性，那就是说，它可能或者可能不呈现一规则的周期的重复。

Wilmut said there were so many failures because it was difficult to ensure that the empty oocyst and the donor cell were at the same stage of the cell division cycle.

威尔马特说之所以有这么多的试验失败，是因为很难保证空卵囊和供体细胞能处在细胞分裂周期的同一阶段。

There are so many participants, such as package supplier, product producer, product consumer and recycling company, in the supply chain oriented to life circle of packages and products.

在面向包装和产品的生命周期的供应链中，包装供应商、产品生产商、产品销售商、消费者和回收商是主要参与者。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。