regulator of level

This article reviews the recent research advances and reveals the study of flowering time regulator mechanism from three aspects of tissue organ, physiology mechanism, molecular level and puts forward the research direction.

对球根花卉花期调控研究进展进行综述，从组织器官、生理机制、分子水平三方面阐述花期调控机理、研究现状，并提出今后的研究方向；

互联网摘选

IEO was an important viral regulator that was expressed at relatively higher level at the early phase of infection, and then down-regulated at late stage.

IE0是病毒的一个重要调控因子，在感染早期表达水平相对较高，而在感染晚期转录下调。

互联网摘选

In light of these problems, technical renovation was carried out, and an automatic control system was adopted for water level control, which consisted of water level sensor, water level regulator, PLC controller, frequency conversion based speed regulator.

针对所存在的问题进行了技术改造，即采用水位探头、水位调节仪、PLC控制器和变频调速器等组成的水位自动控制系统。

互联网摘选

The paper deals with the characteristics and principle of the serial control system, the way to realize the serial control function with intelligent regulator SLPC, and the application of intelligent regulator SLPC to water Level control system of boiler steam drun.

本文论述了串级控制系统的特点，串级控制系统的原理，以及SLPC智能调节器串级控制功能的实现，SLPC智能调节器在锅炉汽包水位控制系统中的应用。

互联网摘选

The vector control software of 12-phase cycloconverter-fed synchronous motor system is designed according to the fully digital variable speed system, based on two-level DSP. The arithmetic of the digital PI regulator and digital control of exciting current are also provided.

根据双DSP两级控制的全数字十二相同步电动机交交变频调速系统的特点，设计了一套矢量控制软件，重点给出了数字PI调节器的算法和励磁整流的数字触发程序；

互联网摘选