1、

Three-phase alternating frequency modulation control signal produced by 8051 CPU is magnified to control the switch of the silicon controlled rectifier in inverse main bridge circuit, thereby constant pressure speed-adjusting is realized.

由8051CPU产生三相交流调频控制信号,经放大来控制逆变主桥路中可控硅晶闸管的通断,从而实现恒压调速。

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2、

a novel three phase load flow algorithm with constant jacobian matrix for distribution system

配网三相潮流的常雅可比牛顿算法

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3、

mole fraction of gas component, liquid component mole fraction, the phase equilibrium constant relative error of the mean value of three is 2.24%.

气相组分摩尔分数、液相组分摩尔分数、相平衡常数相对误差三者的平均值为2.24%。

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4、

phase equilibrium calculation of constant volume depletion for a condensate system in porous medium

多孔介质中凝析油气体系的定容衰竭相平衡计算

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5、

effects of mechanochemical action on the phase composition and phase transformation of wollastonite ceramics of low dielectric constant

机械力化学作用对低介硅灰石瓷料的相变和相组成的影响

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6、

wavelet transform ( wt) provides a constant-q filter analysis that is suitable for transient detection and characterization of m-ary phase shift keying ( mpsk) signal.

小波变换提供品质因数Q恒定的滤波器分析,能够精细刻化M电平相移键控(MPSK)信号在码元转换时刻的相位跳变。

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7、

but the constant value in the allan variance formula due to flicker phase noise given in some literatures is quite different.

但对闪烁相位噪声所引起的Allan方差公式中的常数,许多文献给出的数值相差很大。

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8、

three-phase full wave constant voltage rectifier

三相全波恒压整流器

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9、

Are comprised of three-phase AC systems operating essentially at constant voltage.

由稳态电压下的 三相 交流电运行系统组成.

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10、

It's available for use of the experiments to determinate combustion heat, saturated vapor pressure, surface tension, and rate constant of reaction, draw binary phase diagram of liquid system.

本程序适用于燃烧热、饱和蒸气压、表面张力、反应速度常数的测定以及二元液系相图的绘制。

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11、

The kinetics of homogeneous phase dodecyl alcohol ethoxylation for alcohol ether synthesis has been studied in the presence of KOH catalyst with a continuous tubular reactor. A simplified kinetic model and the reaction rate constant were obtained.

利用连续管式反应器对以KOH为催化剂的均液相月桂醇乙氧基化反应合成醇醚的动力学进行了研究,获得了其简化的动力学模型和反应速度常数k。

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12、

Through model parameter estimation, the activation energy and frequency factor of sulfide oxidation reaction, the phase balance constant for solvent extraction were determined by use of experimental data of diesel desulfurization.

利用脱硫实验数据进行模型参数估值,确定了硫化物氧化反应活化能及频率因子、溶剂萃取相平衡常数等模型参数。

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13、

Also, combining the percolation equation with the phase balance calculating theory and the initial conditions and constant pressure boundary conditions, the mathematical model is developed to predict the production performance of condensate gas wells after fracturing.

应用物质平衡原理和运动方程建立了总烃和第i组分烃的渗流方程,结合相平衡计算理论、初始条件和定压边界条件,提出了预测压裂后凝析气井生产动态的数学模型;

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14、

After the rotor passes its resonant zone, the phase angle does not increase any more, and it begins to fluctuate around a constant value ( 2n+ 1)π rad.

在远离临界转速的高速区,转子的相位角不再增大,而是围绕某一定值波动,此定值为(2n+1)πrad(n为自然数);

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15、

Once adjusted, the relative phase remains constant over the whole frequency range.

一旦调整, 相对阶段遗骸的恒定在整体频率范围.

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