In this thesis, based the study of acoustics theory and ANC ( Active Noise Control) mechanism, the precept of the Nature Gas Booster Station Noise Active control is discussed. The active algorithm is established and simulated.

An High pressure Gas Booster is an air pump that is driven by part of the incoming compressed air supply enabling it to cycle and pump the unbalance of the supply to a higher output pressure.

气体增压泵浦是一种打气筒，它是利用被压缩的空气来驱动在尚未达到平衡时的供给压进行循环性的打气，以提高输出侧的气体压力。

Application of PTFE Stuffing to Petroleum Gas Booster

填充PTFE填料在石油气压缩机上的应用

Introduction of Application and Development of Market of Metering Pump, Magnetic Pump, High Speed Pump and Gas Booster

计量泵、磁力泵、高速泵和增压泵的应用介绍与市场发展

The constitution and function of natural gas booster station in gas turbine combination cycle power plant

燃机联合循环电厂天然气增压站的组成与功能分析

The Study of Adaptive Active Noise Control for the Nature Gas Booster Station

天然气增压站自适应主动降噪技术研究

Research on the Use of Waste Heat at the Natural Gas Booster Station

增压站天然气发动机余热利用方案研究

This design scheme adopts high frequency transformer inverter power system structure with DC-link in middle. It consists of high frequency inverter, isolation and booster voltage transformer, rectifier with filter, high frequency SPWM inverter and output filter.

该方案采用中间直流环节的高频变压器式逆变电源系统结构，它由高频逆变、高频变压器隔离升压、整流滤波、高频SPWM逆变和输出滤波组成。

The main tranformer for the Xiaolangdi Hydropower Station is three-phase, non-excitation, pressure adjustment, double copper winding, oil-immersed booster transformer, with the normal capacity of 360 MVA. The tranformer of type-10, made in China, was selected.

小浪底水电站主变压器为额定容量360MV·A的三相水冷无励磁调压双卷铜绕组油浸升压变压器，产品选用10型，该变压器由国内制造。

This method gives the simple unified formula of longitudinal and transversal regulations, which is suitable for various longitudinal and transversal regulations ( including booster transformer and phase shifter), and is easily joined with usual power flow algorithm.

该方法给出了简捷地处理纵、横向调节的统一公式，它能方便地应用于各种类型的纵向及横向调节器（包括升压器和移相器），且容易与任何类型的潮流算法相结合。

Different structures of cophase supply are designed due to booster transformer ( BT) supply ( or direct supply), and auto transformer ( AT) supply.

针对吸流变压器（BT）供电方式（或直接供电方式），和自耦变压器（AT）供电方式，本文设计了不同的系统结构。

A New Railway Traction Booster Transformer

新一代铁道牵引增压变压器

Analysis of Operation of Auxiliary Negative Booster Transformer's Heavy Gas Protection in a Power Plant

某厂厂用降压变压器重瓦斯保护动作原因分析

Generate vacuum in brake booster by starting engine.

通过起动发动机，将制动助力器抽为真空。

It has been described as the boomerang effect and that term is very fitting because you literally get back everything you put out there.

这被称为“反向效应”，相当贴切，因为你确实能够收获所有你付出的东西。

We remind you that every negative feeling you hold toward another has a boomerang effect.

我们提醒你，每一个你对他人所抱持的负面感觉，都有回力棒的效果。

Boolean Matrix Presentation of Rough Set Concept and Operation

粗糙集概念与运算的布尔矩阵表示

An algorithm to compute follow set with the boolean matrix is given.

文中给出一种用布尔矩阵计算Follow集合的算法。

Improvement on Boolean Matrix Algorithm for Solving Operator Prior Table

用布尔矩阵求解算符优先表算法的改进

A fast algorithm for mining fo association rules based on boolean matrix

一种基于布尔矩阵的关联规则快速挖掘算法

An Algorithm for Attribute Reduction in Rough Sets Based on Boolean Matrix

基于布尔矩阵表示的粗糙集属性约简算法