周期的

Experimental results show that the refractive index modulation can reach about 0.010; and the depth of surface relief is low to about 0.7~12.4nm, which will be lower than 1nm in the gratings with 200~400nm period(according to the first-order and second-order DFB grating period of organic semiconductor lasers).

实验结果表明，折射率调制幅度较高，可以达到0.010左右；表面起伏很低，约0.7~12.4nm，在周期为200~400nm(对应于有机半导体激光器的一级和二级DFB光栅周期)的聚合物光栅中，表面起伏深度小于1nm。

Objective: To observe the effect of nerve growth factor on cell cycle in PC12 cells, and to establish a cell cycle model of neuronlike cell in vitro.

目的：观察神经生长因子诱导PC12细胞周期的变化，以建立体外神经元样细胞周期的研究模型。

When the response is chaotic,by the wavelet transform,there is no any periodic signal,which is the fundamental difference from periodic motion.

如果系统响应是混沌的，通过小波变换，始终都得不到周期的信号，这一点明显区别于周期运动。

Saros after an eclipse , another eclipse is very likely to occur that much resembles that first eclipse .

在一个沙罗周期之后开始的第一个食，会与上一个周期的第一个食非常相似。

According to present results and the forecast of the sunspot activity cycle, the authors predict that the fourth outbreak period of meadow moth will be coming during 2017-2020 and reach the peak during 2024-2025 in China.

根据这些结果，并结合太阳黑子活动周期的预测，草地螟在我国的第4个大发生周期很有可能开始于2017~2020年之间，并在2024~2025年间达到高峰。

The lifecycle of the EUP is presented in Figure 1, a superset of the current lifecycle for the RUP.

图1显示了EUP的生命周期，他是当前RUP生命周期的一个超集。

The grinding trace is an approximate round curve overlapped while the swing period of swing-arm is the half or the same of period of turnplate.

当摆臂摆动周期是转盘转动周期的0.5或1倍时，磨削轨迹为重合的一条近似圆弧曲线，该传动比为合理值。

Because the additional reference signal is not necessary, the delayed time is not related to the period of UPO and should not be the integral multiple of the period of UPO, so the presented method is simple and easy to apply.

由于不需要外加参考信号，延迟时间与UPO的周期无关，不必是UPO周期的整数倍，所以该方法简单易行。转载于中国论文联盟 http：//www.lwlm.com

It is also very usful to keep a menstrual diary for several periods, writing down which symptoms appear on which days.

在数个月经周期里记月经日记也是非常有用的选择，譬如记下哪一种症状出现在月经周期的哪一天。

By flowcytometric assay, it demostrated that esculetin inhibited the cell cycle progression of HepG2 hepatoma cells. In addition, we examined the expression of cell cycle-related proteins including cyclins, cdks, and CKIs.

由流式细胞仪分析结果显示esculetin能抑制HepG2细胞周期的进行﹔进一步以西方点墨法观察调控细胞周期进行的分子表现 cyclins， CDKs， CKI et。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了