return circuit

FC return circuit and its characteristics was introduced in this arti-cle.

本文介绍了FC回路及其特点.

Three sets of common silicon controlled single return circuit control system was replaced by an intelligent temperature control instrument which gives good solutions to temperature control hysteresis and disturbance between two sys-tems in the synthesis of O-cresol.

用一台智能控温仪代替三套常规可控硅单回路控制系统，解决了化工试验研究中大滞后系统的控温问题和系统之间的相互扰动问题。

The return-to-zero protection circuit comprising one op-amp and two NAND's raises the safety in use.

用一片运算放大器和两个与非门组成回零保护电路,提高了临床使用的安全性.

The use of PE line in TN system and TT system is analyzed, and the characteristics of lighting return circuit in residence and the advantages of adding PE line are discussed.

对PE线在TN系统与TT系统中的作用进行了分析，讨论了住宅内照明回路的特点及增加PE线后的优点。

In comparison, the influences of the lengths of metal mandrel, insulated rod and return circuit electrode on depth of investigation are relatively small, while that of the length and width of plate electrode are relatively large.

相对而言，金属芯棒、绝缘棒和回路电极的长度对探测深度的影响较小，而极板的长度和宽度影响较大。

Its main return circuit adopts thyristor contactless switch, so can turn off circuit quickly, precisely and reliably.

该系列点焊机主回路均采用晶闸管无触点开关，电路关断时间快、准确、可靠。

Based on the ampere return circuit theorem, gauss theorem and charge conservation law the concrete form of Displacement current is derived.

本文从安培环路定理、高斯定理及电荷守恒定律出发导出了位移电流的具体形式。

Then current through C 1, RT forms the return circuit preheating filament.

于是,电流通过C1 、 Rt形成回路预热灯丝.

Problems concerning return circuit of one kind of curve internal zigzag line and tangent

一类曲线内折线及切线的回路问题