查询词典 surge pressure

In this paper the gas-liquid transient flow caused by emptying of surge tank is studied.The formula for computation of the air discharge from a surge tank into the down stream pressurized pipeline is proposed.

本文以水电站瞬变过程中调压室漏空压力钢管中的气液两相流作为研究对象，在模型实验的基础上，探讨了气泡对管道水压变化的影响及其数学描述。

In order to study the function of line surge arrester at line lightning protection equivalent circuit of line surge operation had been built considering conditions of straight lightning strike on tower top and round strike to conductor .

为了研究线路避雷器在防雷中的作用，根据雷电直击杆塔顶部及绕击导线两种情况，建立线路避雷器动作时的等值电路，推导出考虑残压影响的线路避雷器对雷电流的分流计算公式。

The results indicate:1 There are limitations to protect 110kV Kang-Ping transmission line and 220kV Da-An transmission line lightning, and the line-surge arrester can improve the lightning-proof property of transmission line on mountainous area and enhance the lightning-withstand level.2 Tower grounding resistance, distance between towers, etc can affect the function of line-surge arrester.

110kV康平线和220kV大安线已有的防雷措施不够理想，而加装了线路型避雷器后能明显改善山区输电线路的防雷性能，提高输电线路耐雷水平。2）输电线路的接地电阻，线路档距等因素对线路型避雷器的应用有影响。

The accidents statistics from 2000 to 2003 are analyzed in this paper.Based on the tradition lightning conductor,ATPsoftware is used to stimulate the operation of zinc oxide surge arresters,and good effect is taken according to the data of the stimulation.Our plan is to install zinc oxide surge arresters on the power grid and the pole where there are easily destroyed by the lightning.The work from July 2004 to May 2005 is finished.

对2000～2003年来雷击事故进行了统计分析，在传统避雷线、杆塔接地装置防雷设施基础上，采用ATP软件对安装线路氧化锌避雷器进行仿真计算，依据仿真结果，确定了在架空线路易击段、易击杆塔、特殊地形地貌杆塔安装线路型氧化锌避雷器方案，并从2004年7月至2005年5月在35kV、110kV架空线路上安装了线路型氧化锌避雷器。

SURGE CURRENT Surge current is specified as the maximum allowable peak, nonrecurrent squarewave current with a pulse width, PW, of 8.3 ms.

浪涌电流的浪涌电流的最大允许指定为高峰期，非经常性方波脉冲宽度，星期三8.3毫秒，电流。

The topic research, standard device for resistive current tester for zinc oxide surge arrester, can be used for calibration for resistive current tester for zinc oxide surge arrester. The equip functions involve: total current, resistive component of current, capacitance component of current, active power, reference voltage, phase angle, harmonic component of current.

课题研制的氧化锌避雷器阻性电流测试仪标准装置可用于开展氧化锌避雷器阻性电流测试仪的校准工作，项目涉及：全电流、阻性电流、容性电流、有功功率、参比电压、相位角、各次谐波电流分量。

Set pitch or low frequency surge can bring the roulade of the periodic change to the volume. To set the low frequency surge or controller can bring quaver. And set the both can make the timbre bring periodic rocky purpose. We edit out the percussion timbre that adapts the musical style and character, during the editing course, the percussion timbre is decided by our musical understanding.

通过设定音高包络或低频振荡调制可产生周期性变化的颤音效果，通过设定包络、低频振荡器或控制器，可以产生音量周期性变化的震音效果，通过滤波器消除声音中的杂质，通过包络、低频振荡器或控制器的设定，使音色产生周期性晃动的哇音效果，音源在研发的过程中已经对各种鼓音色进行了设定，我们使用编辑制作出适合音乐风格和特点的打击乐音色，在编辑制作过程中，人脑对音乐的理解将最终决定打击乐的音色。

Surge of voltage protect function: the system has a protection module of voltage surge (20KVA) to sorb the transientover-voltage effectively

电涌防护功能：稳压器内安装一组限压型通流量为20kva的电涌保护模块，能够有效吸收来至电网内部电涌造成的瞬态过电压，以及来至外部的感应雷击所造成的瞬态过电流和过电压，保证后级设备的安全运行

For reducing the LEMP lighting electromagnetic pulse radiation, the electrical source uses the Box-type power supply arrester, the power supply arrester and the modular power supply arrester as the third SPD surge protection device. The Low-voltage surge arrester or spark gap is laid between the compute net and equipotential grounding grids for avoiding signal interference and counterattack of ground voltage. The parameter and model of the signal lighting-protector of lines of communication are chosen according to the transfer rate, work level and characteristic impedance.

对控制房和DCS柜采用避雷针、独立针的直接雷防护；系统电源分别采用箱式电源避雷器、电源避雷器、模块式电源避雷器作为三级电源保护，减少LEMP雷电电磁脉冲辐射；计算机网络与等电位地网间设置低压避雷器或火花隙防止信号干扰和避免地电压反击；根据传输速率、工作电平、特性阻抗等，选择通信线路的信号防雷保护器的参数和型号。

In order to forecast the storm surge inundation , a two-dimensional forecast model of storm surge inundation is established.

本文建立了一个二维风暴潮漫滩数值预报模式，用交序法对二维全流方程组进行了求解，并采用干湿网格法对岸边界进行处理，实现了岸界的移动。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。