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Methods of fast Fourier transform and phase unwrap were used to demodulate the phase of the interferogram obtained from experiment, distortion of wavefront disturbed by temperature fluctuation which equals to phase shift induced by refractive index change was calculated, and a way of axisymmetric temperature field reconstruction was put into reshowing a layer of the gas temperature distribution.

通过实验得到干涉条纹，用CCD摄入计算机，经Matlab编制傅里叶变换、相位去包裹和其他数值计算程序，解调干涉条纹的相位，计算出温度扰动产生的波面畸变量，它等于折射率变化引起的相位偏移值，用轴对称气体温度场重建方法，再现了气体温度场一个层面上的温度分布。

DC power transmission simulationmodel is set up in this paper with the Matlab software, and various faults such as single-phasegrounding short circuit, phase to phase short circuit, three-phase circuit grounding shortcircuit and inverter bridge short circuit are simulated in this model.

用MATLAB软件建立了电力系统直流输电仿真模型，模拟了单相接地短路故障、相间短路故障、换流器桥臂以及单桥故障，经过近百次仿真运行，得出了各种故障下的特性曲线，准确描述了直流输电系统在发生大扰动后的暂态过程，并从理论上进行了科学分析，得出了各种故障对换相失败的影响。

Results: Public health policy on Beijing floating population could be divided into initiative phase, adjustment phase and improvement phase.

结果：北京流动公共卫生政策可以划分为起步建设、控制调整、管理向服务转化这三个阶段。

Sewage treatment plant phase ii rush period sewage treatment plant phase ii rush period qiqihar in heilongjiang news april 19 hearing yesterday morning,reporters at the city＇s bureau of the construction of urban sewage treatment center phase ii construction site to see more than 470 construction workers are in full swing biochemical pool,drainage pumping station,sewage pump pond 13 projects such as single pile foundation construction,7 sets of large hammers,3 large excavators,a national taiwan university,20 sets of cranes and heavy goods vehicles are operating at full capacity 24 hours with classes rush period.

污水处理厂二期工程抢工期黑龙江新闻网齐齐哈尔重庆自来水19日讯昨天上午，记者在市建设局自来水的中心城区污水处理二期工程施工现场看到，470多名施工人员正紧锣密鼓地进行生化池、排水泵房、自来水泵池等13个工程单体的桩基础施工，7台大型打桩机、3台大型挖掘机、1台大吊车和20余台重型给排水暖通正开足马力24小时连班抢工期。

According to the phase change law for wax deposition and dew point line curves, and the change of the saturation of condensate gas with phase properties, gas-liquid-solid was transformed with phase change, which would result in the change of distribution of fluid pressure and influence or alter the characteristic and the process of condensate gas percolation flow.

根据相的变化受析蜡线、露点线的相态变化规律控制，分析相变特性会导致储层内油气饱和度的变化，揭示蜡沉积在多孔介质表面引起孔隙性质改变和气、液、固在储集层中的微观空间分布会影响凝析气的流动特征。

Extract information based on the instantaneous features : In the center is one of the instantaneous rate of the power spectral density of the maximum, is a center to the absolute value of the instantaneous rate of the standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component absolute standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component standard deviation, In the center is one of the non-weak signal of the absolute value of the instantaneous frequency standard deviation, a signal to one of the instantaneous frequency of the power spectral density of the maximum, According to 16QAM and QPSK signals XI axis projection in the different performance parameters raised.

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值，零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。

It contains crystalline phase and non-crystalline phase that would help to develop new field of luminescent materials. On the basis of these studies, We summarized the law of absorption band positions of VUV spectrum in host crystals.

在大量的体系研究的基础上，我们总结了基质晶体的真空紫外光谱的吸收带位置的规律，该初步规律将有助于人们寻求优质新型深紫外晶体和新型PDP荧光粉。

It,s allelchemicals were isolated through extraction, thin-layer chromatography, and column chromatograpathy. After the white clover was infused in ethanol and evaporation, the leavings was dissolved by water. The aqueous extract was extracted by petroleum,chloroform, ethyl acetate and n-Butanol successively, and the bioassay showed that the chloroform phase has obvious inhibitory effect, the inhibitory rate was 44.32%,88.08% on Abutilon theophrasti M., seedling length and root length, 82.08%,92.16% on Echinochloa crusgalli L., seedling length and root length, and the Amaranthus retroflexux L., germination rate is 0, the secondly was ethyl acetate phase.

运用萃取、薄层层析、柱层析等方法对白三叶草地上部分的化感物质进行初步分离，结果表明，白三叶草经乙醇浸提旋转蒸发后用蒸馏水溶解，依次用石油醚、氯仿、乙酸乙酯、正丁醇萃取，生物测定表明氯仿组分对杂草的抑制作用最强，对苘麻芽长和根长抑制率分别为44.32%、88.08%，对稗草芽长和根长的抑制率分别为82.08%、92.16%，反枝苋的发芽率为0；其次是乙酸乙酯相。

A two-steps numerical method has been used to deal with this process. In every computation time-step, two phases are used: the first one is the adiabatic expansion and cracking phase; the second one is the phase of absorbing laser energy.

采用两步数值计算方法处理等离子体微滴的爆炸过程，即在每一个数值计算时间步长内，将爆炸过程分为两步，第一步处理微滴的绝热膨胀及裂解过程；第二步处理微滴对激光脉冲能量的吸收过程。

Chavent's research for matching the history of production in a field by use of optimal control theory and through the research for the space of the adjoint function, we have extended the theory of adjustment for the ease of a single-phase system to a double-phase one.

Chavent利用最优化理论研究油气藏生产动态拟合的基础上，通过对伴随函数空间的研究，将辨识理论由单重介质系统扩展至双重介质系统，并针对原方法多解，迭代中易发生逸出、振荡、仅收敛于局部极小等困难，重点研究和探讨了改善问题的适定性和加速算法的收敛性问题。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。