power extraction

Wavelet analysis of the extraction at fault time in power system

电力系统故障时刻提取的小波分析

Based on the application of CEMS to the coal-fired generating unit of Jiaozuo Power Plant, the working principle of a CEMS based on heating type direct extraction is presented.

以烟气连续排放监测系统在焦作电厂燃煤发电机组上的应用为例，介绍了一种加热式直接抽取法烟气连续监测系统的原理，分析了系统组成及功能、系统运行及系统的维护检修。

The treatment for abnormal variation of the fifth stage extraction steam temperature concerning 200 MW steam turbine unit in Hebi Power Plant has been presented.

介绍鹤壁煤电公司200MW汽轮机组五段抽汽温度异常变化的分析和处理。

Design of ultrasonic power extraction system circuit of phytochemical active constituents

超声波功率萃取系统电路设计

The Study of Electric Power Equipment Image Feature Extraction and Classification Method

电力设备图片特征提取和分类方法的研究

As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N, N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions.

结果表明：两种萃取剂的萃取能力随展开剂的酸度不同而变化。N，N二苯基甘氨酸对5种金属离子的萃取能力强于N正丁基甘氨酸。

The extraction power of the extractants decreases apparently with the replacement of RO group by R group and the replacement of n octyl group by s octyl or iso octyl group along with the slight increase of separation factors.

随着萃取剂分子中RO基团被R基团取代及正辛基被仲辛基或异辛基取代，萃取能力明显下降，分离因数βEu／Am和βNd／Am略呈上升趋势。

It was concluded by comparing three different preprocessing methods that the power spectra of alpha rhythm in wavelet transform domain could be used to predict epileptic seizures. The extraction of its envelope and nonlinear transform to the envelope provided further improvement of the performance of RNN effectively.

通过比较三种不同的预处理方法，发现在小波变换域利用脑电信号α节律的能量谱可以实现发作预报，而进一步提取包络并作非线性变换可以有效地提高RNN的预报性能。

Tape out device and test. Extraction of device parameters and the establishment of device models the models use for switching power supply circuit design and simulation.

器件流片、测试后，提取器件参数以及建立器件模型，然后进行开关电源电路设计和仿真。

Variable pitch vertical axis turbines have been proposed, which can markedly increase the power extraction efficiency at low tip speed through controlling the rotor blades pitch at all points of their rotation cycle.

目前已经提出了一种变螺距垂直轴水轮机，它可以通过控制转子在一个旋转周期上所有点的叶片间距来显著提高能量的提取效率。

The zero extraction flow of power plant deaerator operation is a common-mode phenomenon in our country.

除氧器运行中抽汽量为零是国内电厂较为普遍的一种现象.