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The carbonylation of methanol is homogeneous phase and hydrogenolysis of methyl formate is heterogeneous phase.

并在假想不同的步骤为反应控制步骤的基础上，提出了可能的30种反应速率方程。

According to Bessel function and Fourier series theory, generation, magnitude and distribution of voltage harmonic generated by single-phase two-level SPWM inverter and three-phase SPWM inverter are analyzed and calculated particularity and concretely in allusion to inverter-motor system.

然后针对逆变器-电动机系统，利用贝塞尔函数和傅里叶级数理论，分别对单相二阶SPWM逆变器和三相SPWM逆变器的输出电压谐波的产生、大小和分布进行了细致而具体的分析和计算。

The trajectory of the COM of the robot in stance phase is determined by solving the dynamic equation of the virtual leg, which can make the robot fly in the air. In flight phase, the COM of the robot moves as a free falling body.

四、在满足动力学条件和稳定性的前提下，提出了基于"虚拟腿"的仿人跑步机器人跑步步态规划方法，并通过仿真成功地实现了速度为2.9m／s的跑步动作。

Firstly,the trajectory of center of mass of the robot is planned by solving the two dimensional dynamic equations of "virtual leg" in jumping phase,and the COM of robot moves like a free falling body in the air in flight phase.

首先，规划机器人质心的轨迹；在起跳阶段通过求解"虚拟腿"的二自由度动力学方程，规划机器人质心的轨迹；在飞行阶段机器人质心做自由落体运动。

This phase noise is about 6-dB phase noise improvement from the free-running oscillator with regulator inductors. The fundamental rejection is 18 dB.

和使用一般电感的振荡器比起，这个使用微机电电感的振荡器可以有大约6-dB 的相位杂讯改善。

They can be interconnected to form single phase or three phase bridges and the single diode module can be used in conjunction with the thyristor modules as a freewheel diode.

它们可以相互连接，形成单相或三相桥和单二极管模块可作为一个飞轮二极管晶闸管模块配合使用。

Far field distributions of in-phase mode and out-of-phase mode were calculated using Fresnel diffraction formula of one-dimension on the basis of near field amplitude distribution.

在同相模和异相模近场分布的基础上，利用1维情况下的菲涅耳衍射公式计算了其远场分布。

Influence of phase errors upon the diffraction efficiency of the phase fresnel lens［J］.

位相误差对菲涅耳透镜衍射效率的影响［J］。

A rapid and precise algorithm without phase unwrapping for phase retrieval from a single carrier-frequency fringe pattern is proposed.

针对单幅载频变形条纹图的相位重构问题，提出了一种快速、高精度和免解包裹的相位恢复新算法。

Fluxgate sensors have the second harmonic voltage amplitude with the magnetic field strength is proportional to the adoption of second harmonic filter through phase-sensitive detector rectifier, to achieve full-wave rectifier, low-pass filter in through the phase-sensitive detector after the second harmonic into a smooth DC signal, on the one hand to the back of the circuit, on the one hand, the magnetic flux through the door to feedback regulation, the opposite magnetic field generated with the measured magnetic field, so that the work has always been zero fluxgate magnetic field, thus ensuring the most high-precision fluxgate.

磁通门传感器产生的二次谐波电压幅值与磁场强度成正比，二次谐波通过通过滤波器再通过相敏检波器整流，实现全波整流，在通过低通滤波器将相敏检波后的二次谐波转化成平滑的直流信号，一方面送到后面的电路进行，一方面通过反馈调节送到磁通门中，产生与被测磁场相反的磁场，使磁通门始终工作零磁场下，从而保证磁通门的最高精度。关键词：磁通门磁力仪，相敏检波器，磁场

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。