Heat exchangers, other than the double concentric tube type or double tube sheet type, must employ a pressure differential and a means for monitoring the differential.

1、

The principle is modulating the signals onto the power line using confluence box, transmit through the power line, and read out at the other end of the line by concentrator, restore the information and data.

原理是将汇流箱监测的信息调制到电力线上，通过电力线传导，在线路另一端通过集中器采集信号，还原信息数据，送至监控中心。

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2、

The third chapter discusses the design and implementation of the wireless communication between supervisory computer and concentrator and the power line carrier communication between concentrator and single lamp survey control terminal.

第三章详细介绍了监控主机和集中器的无线通信以及集中器和单灯测控终端的电力线载波通信这两级通信机制的具体设计和实现；

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3、

In this paper, multiple fault detection of line concentrator time switch in SPC switching system is discussed.

本文研究程控数字电话交换机中用户集中器时分接线器（LTSW）的多故障检测。

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4、

A Program Controlled Subscribe Line Concentrator Of Inter& Exchange Function

一种具有内部交换功能的程控用户集中器

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5、

This paper presents the system architecture and performances of the 128-line subscriber's line concentrator controlled by the stored program. Some major technical problems encountered in the designing of the system are also described.

本文介绍了128线程控用户集线器的系统结构、性能及研制中的几个主要技术问题。

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6、

Applications of Full Duplex Communication in Subscriber Line Concentrator

全双工通信在用户线路集中器中的应用

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7、

An Experimental Study of the Resistance Characteristics of a Tower type Fly ash Concentrator

塔型飞灰浓缩器阻力特性的试验研究

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8、

An image equation for a solar tower concentrator system

塔式太阳能聚光系统太阳影象方程

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9、

After one separating by table concentrator?,? the grade of Nb 2O 5 is increased from?

用摇床分选一次后，Nb2O5的品位可由0.021%提高到0.069%，回收率达90.48%。

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10、

Application of 6& S table concentrator in coal preparation plant of strip mine

6&S摇床在露天矿选煤厂煤泥分选中的应用

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11、

The company is oriented to be a world leader in fermentor, freeze drying, speed vacuum concentrator and centrifuge technology.

公司的目标是生产世界一流的发酵罐、冷干机、真空浓缩仪和离心机，领导本行业的发展。

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12、

The system is composed of water meter, data collector, concentrator and administer computer.

系统由脉冲水表、采集器、集中器和管理机组成。

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13、

Domestic manufacturers can not provide true hand-held meter reading system, which must make the data concentrator power on, and then support the holding reading, which increases the system installation, operation costs and operating risks.

目前国内厂家还不能提供真正意义的手持抄表器，必须通过不掉电集中器中转数据，然后再支持手持抄收，增加了系统安装、运行成本以及运行风险。

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14、

Each ward with the data concentrator, it receives the data after the data collection, and then through the serial port converter using the Internet to host computer.

每个病房有其所属数据集中器，它接收到数据后进行数据汇总，然后通过串口转换器利用网线传至上位机。

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15、

In chapter 3, the design of Data Concentrator which is a pivotal part in the Metering Communication System is introduced minutely.

第三章具体介绍了系统远程通讯实现的关键部分-数据集中器的设计。

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16、

Data Concentrator ( DC) is of great use for real time power system dynamic monitoring system like a bridge.

数据集中器在电力系统实时动态监测系统中起着一个承上启下的桥梁作用。

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17、

Design of a New Kind Data Concentrator in Automatic Meter Reading System

一种新型自动抄表系统数据集中器的设计

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18、

Design and Implementation of Data Concentrator for Real Time Power System Dynamic Monitoring System

电力系统实时动态监测系统中数据集中器的设计与实现

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19、

Test Research on Using Hydrocyclone to Replace Spiral Classifier in Midi Concentrator

密地选矿厂一段磨矿分级用水力旋流器取代螺旋分级机的试验研究

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20、

A Study on the Spiral Concentrator

螺旋分选机研究

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