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The increase of cell number and diameter of apical pointwas higher in both extension phase and carpel differentiation phase.

生殖生长锥直径和细胞数的增加在生长锥膨大期和心皮分化期较高。

In the cellproliferation cycle,The check point between G1 phase and S phase is the most important one.

因而，一旦通过这个点，细胞周期进程就变的不可逆。

For the optical system with circular apertures,it is difficult to get the boundary radical slope of phase and the accurate sampling value in the circular domain boundary when the intensity transport equation is used to recover the original phase.

1引言相位恢复是指利用光束传播时所探测到的光强信息反演出相位[1]，为了获得更多的光强信息以把相位恢复到最佳，一次光强测量是不够的，因此这就要求在光学系统的输出或成像光轴方向上进行多次光强测量。

When seismic wavelet is in non-minimum phase , we can make it have smaller phase by doing exponential weighting . As for nonwhite noise problem of reflection coefficient , we may employ logarithmic power spectrum to estimate the autocorrelation function of seismic wavelet , then obtain seismic wavelet and deconvolution opera .

当地震子波为非最小相位时，可利用指数加权方法使之小相位化；对于反射系数非白噪声问题，本文提出利用对数功率谱来估算地震子波的自相关函数进而求取地震子波以及反褶积算子的方法；对于理想的期望子波，本文采用"宽带雷克子波"作为期望输出子波。

We have highly effective liquid phase color spectrometer, infrared light spectrometer, gas phase color spectrometer, ultraviolet spectrophotometer and so on to perform strict quality monitoring and management to material, in-between product and finished products.

有高效液相色谱仪、红外光谱仪、气相色谱仪、紫外分光光度计等，对物料、中间产品和成品进行严格的品质监控和管理。

Phase change materials are combined with building matrix to make components of phase change energy storage in building.

目的由于相变墙板特殊的传热性能及不同的外界条件，有必要对相变墙板性能进行优化，使得相变墙板在设计和使用性能上得到改善。

In order to solve the application problem of conduction heating machining, this project investigates some problems, such as dynamic characteristics of heating power, features of circuit current and voltage, arc discharge states and so on. It also studies control characteristics of Uni-phase or Tri-phase Direct Current Power Supply and Inverse Switch Power Supply. A High Frequency Inverse Switch Commutate Power Supply is developed.

为了解决导电加热切削的应用问题，从加热电源的动态性能和回路的电流、电压特性及电弧放电状态等方面进行研究，分析比较了单、三相交直流电源和逆变开关电源的特点和控制特性，研制了高频逆变开关整流电源。

Digital PLL's linear mathematical model is established, and it's stability is analyzed, then the DPLL's stability conditional expression is given. Whereas the phase lock in UPS is very particular, this dissertation emphasizes on the dynamic performance with disturbance of the utility source's frequency noise and the reference phase.

基于UPS 锁相的特殊性，着重分析了市电频率扰动以及相位给定突变时的系统动态特性，仿真分析表明在同一个数字锁相环中，锁相误差抖动小与输出频率变化不能过快，二者不可兼得。

After verifying the importance and stability of phase information in image processing, the thesis studies on phase congruency function.

其次，论文对基于图像相位信息的边缘检测算法—相位一致性算法进行了分析研究。

To some extent, the nucleate boiling and the two-phase forced convective heat transfer through the liquid film always co-exist in the saturated nucleate boiling zone and two-phase forced convection zone. The liquid fill-ratio, input power and content of the non-condensable gas exert significant influence upon the start-up performance and the heat transfer performance of LHP.

并且在饱和核态沸腾区与两相强制对流区内，总是在某种程度上同时发生着核态沸腾区与两相强制对流液膜传热；充液量、输入功率及其不凝性气体的含量对回路热管的起动性能和传热性能部有很大的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。