In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
Presented in this paper is a digital AGC circuit that is constituted with digital attenuator DAC0832. Its controlled grade can reach 256 and the external circuit is very simple.
介绍一种采用DAC0832作为数控衰减器构成的自动增益控制电路，其外围电路非常简单，受控等级可达256级。
Apply to the high-grade circuit boards wave soldering, welding and hot dip high-grade iron tin wire.
适用于高档电路板的波峰焊、热浸焊和高档引线搪锡。
Purpose: wire wound resistor in ceramic casing is used in circuit of automatic control system, frequency conversion control system, power supply, top grade acoustics.
用途：陶瓷绕线电阻主要用于自动化控制系统，变频控制系统，电源设备，高档音响等电路中。
Dynamic routing technology of circuit-switched network is critical to bring non-hierarchical network into full services and improve the grade of service eventually.
无级电话网动态路由技术是充分利用现有设备、提高服务质量的关键技术。
This paper analysed the causes and proposed a two-grade protection measure. The working program flow chart and logic circuit are designed.
本文分析了原因，提出二级保护的方案，设计了工作程序流程图及逻辑电路。
The particle size of grinding circuit is the important factor to the grade of concentrated ore and metal recovery rate.
磨矿分级作业是选矿生产过程中至关重要的环节，磨矿粒度的好坏直接影响到浮选的精矿品位和回收率。
The system samples the current grade value and controls the grade and the main circuit breaker to avoid shorting the different phase power or damaging...
通过对当前级位进行采样，控制级位的升、降和主断路器的分、合，完成机车自动过分相过程。
The system samples the current grade value and controls the grade and the main circuit breaker to avoid shorting the different phase power or damaging the train. The who...
通过对当前级位进行采样，控制级位的升、降和主断路器的分、合，完成机车自动过分相过程。
The results showed that, an iron concentrate with a TFe grade of 65.50% and a recovery of 83.09% can be obtained by the closed-circuit bench test.
结果表明，采用选择性絮凝脱泥-阳离子反浮选流程闭路试验可获得铁精矿品位为65.50%，回收率为83.09%的较好指标。
The results showed that, an iron concentrate with a TFe grade of 65.50% and a recovery of 83.09% can be obtained by the closed-circuit bench test.
结果表明，采用选择性絮凝脱泥-阳离子反浮选流程闭路试验可获得铁精矿品位为65.50%，回收率为83.09%的较好指标。
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