It has been proved that the occurrence of oncogenesis is in close relationship with the oncogene activation, the tumor suppressor gene inactivation and the disorder of cell cycle modulation.
目前在分子水平上的研究显示肿瘤的发生与癌基因的激活和抑癌基因的失活以及细胞周期调节失控密切相关。
The simulations show that more amplitude modulations and phase perturbations lead to lower contrast of the compressed pulse, and bigger modulation cycle results in wider pre-pulse width.
结果表明：啁啾光脉冲的振幅调制深度和相位扰动深度越大，则压缩后的光脉冲对比度越小；啁啾光脉冲的振幅调制周期和相位扰动周期越小，则压缩光脉冲的预脉冲宽度越大。
These genes were related to cell cycle, immune modulation, lipid metabolism, foam cell formation, and signal transduction.
这些基因涉及细胞周期、免疫调控、脂肪代谢、泡沫细胞形成、信号转导等过程。
The underlying principle in the whole process is that the average power delivered is directly proportional to the modulation duty cycle.
背后的原则，在整个过程中是平均电力交付是成正比的调制占空比。
Conclusion: The above results illustrated that nasal cycle exists as central control and local modulation.
结论：以上结果提示鼻周期系中枢控制、局部调节。
In this manner, the shapes and sizes of the chips are determined at least in part by the modulation cycle, and particularly the length of time the cutting tool is engaged with the body being machined.
按照这种方式，碎片的形状和尺寸至少部分由调制循环确定，尤其是切削工具的时间长度与正被机械加工的物体衔接。
There are DC off-sets in the compensated source current of the APF with one-cycle control under bipolar modulation.
采用双极调制方式单周控制APF补偿后的电源电流中存在直流分量。
Example valves would include a shut-off valve for an economizer cycle, an unloader valve, or a suction modulation valve.
作为示例的阀可包括经济器循环的断流阀、卸荷器阀或吸入调节阀。
Control part of the main chain of the transmitter sends out pulses of frequency, duty cycle and sparse modulation and counting and detection distance control.
控制部分主要对发送器发出的脉冲链频率、占空比及稀疏调制和计数及探测距离等进行控制。
This modulator, based on a novel hybrid structure, not only has a programmable duty cycle but also realizes phase modulation.
这个调制器基于一个新型混合结构，不但能产生可编程的占空比，而且能通过相位离散调整实现相位调制。
This modulator, based on a novel hybrid structure, not only has a programmable duty cycle but also realizes phase modulation.
这个调制器基于一个新型混合结构，不但能产生可编程的占空比，而且能通过相位离散调整实现相位调制。
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