1、

This thesis explains a kind of three-element value cascade control method which is applied in the power plant to control the water level in the steam boiler.

文章介绍了一种已实际应用的电厂锅炉汽包水位三冲量串级控制方法。

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2、

Technical Renovation of the Constant Pressure Water Supply and Accident Tower High Water Level Guarantee System;

为实现水泵运行节能和有消防保障的恒压供水,分析了水泵调速系统原理。

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3、

By comparing and analyzing the measured water level, three-dimensional velocity distribution and turbulent character around the bridge location, the calculation method for the backwater of skew bridges is improved and the reduction factor of block water width is presented.

通过对桥位附近的实测水位与水流三维流速分布及紊动特性的比较分析,改进了计算斜交桥壅水的方法,并给出阻水宽度折算系数。

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4、

Based on the digital simulation of drum water level dynamic characteristics of the 321-230/ 100 boiler, the author optimizes the set' points of the three-element feedwater control system with the aid of a digital computer, by using the multivariable optimization method.

本文在对国产321-230/100型锅炉汽鼓水位动态特性进行数字仿真的基础上,利用多变量参数的寻优方法,在数字计算机上进行了给水三冲量调节器整定参数的寻优。

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5、

The researches of telecontrol water level monitor system

遥控水位监测系统研究

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6、

To the system structure moving short information in the article, communication agreement, parameter and code, message telemetering measurement machine of attribute, digital coding of user and information of water level send newspaper document get communication, message of terminal machine analyse.

文中对移动短信息的体系结构、通讯协议、用户数据编码、水情信息参数及属性的编码、短信遥测机发送报文到短信终端机的通讯进行了分析。

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7、

The seismic precursory anomaly of crustal deformation and underground water level are non-cyclic changes resulted from the mutual action of the tectonic stress of earthquake preparation and fluid force produced by rain, underground water.

地壳形变与地下水位前兆异常是在地震孕育构造应力和降雨、地下水引起的流体力共同作用下产生的非周期性变化。

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8、

In Taihu District, the numerous rivers and lakes have abundant water supply, and the groundwater level is high, which are advantageous to agriculture.

太湖地区河港纵横,集水量大,地下水位高,必须有相应的水利建设和排灌设施,并经常做好管理养护工作,才能保证农业的丰收。

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9、

The original types of unconformity surface of Zhanhua trough include unconformity of basement, unconformity of episodic rifting and unconformity of break, as well as the unconformity or break related to tectonic movement, water level change, sedimentary process and climate change.

沾化凹陷的不整合成因类型包括基底不整合、裂陷幕不整合、破裂不整合和与构造活动、水位变化、沉积过程及气候变迁相联系的不整合或沉积间断。

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10、

Cracks were mainly caused by temperature drop and also influenced by relatively high water level.

经过裂缝成因分析可知,龙羊峡大坝下游面裂缝主要是由温降引起的,较高的水位对其也有一定影响。

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11、

Rainfall makes the water level increasing and temperature dropping.

降雨导致太平庄井水位上升、水温下降。

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12、
13、

The development and application of digital earthquake deep well water temperature and water level observation system

数字地震深井水温水位观测系统的研发与应用

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14、

Characteristics: Electronic temperature-control circuit, real-time temperature numeral display, and low water level acoustooptic alarming device.

特点:电子控温电路,实时温度数码显示,低水位声光报警装置。

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15、

This paper has studied systematically the water level changes prior to teleseism observed in the groundwater well-network of Jiangsu and its relation to earthquake magnitude, time, direction and the fault activity on which the well is located.

本文对江苏地下水动态观测网记录到远震前的井水位变化图象特征及其与地震强度、时间、方位和井孔所处断裂带活动强度等关系进行了系统的分析研究。

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17、

Through selection and analysis on pit decline water engineering technique method of Fujian broadcast television center, and predicate declining water quantity and water level, examples are provided for the deep foundation pit to decline the water engineering.

本文通过对福建广播电视中心基坑降水工程技术方法的选择、剖析,并预测降水水量和水位,试图为同类深基坑降水工程方案设计,提供参考实例。

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18、

The Selection of Standard for the Design Water Level at the Tidal River

感潮河段设计水位标准的选用

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19、

The terminal can conveniently interface to all kinds of water level sensors, rainfall sensors and velocity of flow sensors to make up a distributed wireless monitoring system of hydrology.

该测控仪可方便的与各种类型的水位、雨量、流速传感器接口,从而构成多点分布式的水文无线监测系统。

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20、

Discussion on principal and application in the tidal differential correction of residual water level or or relating to or caused by tides.

余水位潮汐差分改正原理与应用探讨属于潮汐,关于或由潮汐引起。

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