查询词典 ultra-reactionary

An online monitoring system of partial discharge in GIS based on ultra high frequency method is introduced in this paper,it can be real-time monitoring the discharge of fixed particles, unbound particles, floating electrode and insulation defects, accurately reflecting the state of 1000kV GIS.

介绍一种基于UHF方法的GIS局放在线监测系统，可以实现对1000kV GIS内部固定粒子、自由粒子、浮动电极及绝缘缺陷放电情况的实时监测，准确反映1000kV GIS的状态，给1000kV GIS的运行维护工作带来很大帮助。

According to different detection principles and chosen sensors,current methods for XLPE power cable partial discharge detection are classified into acoustic emission,capacitive coupling,inductive coupling,ultra high frequency and directional coupling,etc.

综述了XLPE电力电缆局部放电检测技术的研究现状，重点介绍了用于电缆的各种局部放电检测技术和定位方法。

It is found in field detection that ultra high frequency signals can diffract from the joint of transformer. The feasibility of using external UHF sensor for detecting partial discharge activities is discussed, and the external propagation characteristic of UHF electromagnetic wave is investigated via the lab experiment.

针对变压器箱体的接缝处可以衍射出局部放电特高频电磁波信号的现象，在分析变压器箱体接缝对局部放电特高频电磁波传播影响的基础上，探讨了接收天线外部检测特高频信号的可行性，并通过实验研究了局部放电特高频电磁波的外传播特性，通过对信号进行小波包分析，比较了外部接收和内部接收信号的差异。

Very High Frequency/ Ultra High Frequency communication is good at mobility and flexibility, and it also appears with features of moderate transmitting power, reasonable equipment cost, very sound anti-destroying ability and great security.

短波/超短波通信不仅具有很好的机动性和灵活性，而且其发射功率小，设备简单，抗毁性强。

The principle of partial discharge detection of gas insulation switchgear with ultra high frequency is discussed.A 220 kV GIS bus bar cavity is adopted as a test object to design and simulate four typical defect models in GIS.The PD signals produced by the four models are obtained via the PD detection system,which is developed by the authors on the basis of the narrow band UHF method.

为了提高GIS运行的可靠性，笔者简要说明了超高频法检测GIS局部放电的原理，并在实验室以一段220 kV电压等级的GIS母线为试验对象，设计和模拟了GIS中典型的4种局部放电模型，并使用自主研发的超高频窄带检测系统对其局部放电信号进行检测。

Around the frequency band setting and standardization problem for RFID, argument has been continuing, and government can't make conclusion, Until April 20th 2007, Information Industry Ministry can't voice the trial band In ultra high frequency.

摘 要：围绕着对RFID的UHF频段的开放和标准的制定问题，国内争执不休，政府主管部门长期久议不决，直到2007年4月20日，信息产业部才发布了频段评断试用的通知书。

When used as vehicle fuel substituting diesel fuel , It is the most ideal ultra clean fuel in the 21 st century, as well as an important chemical raw material .

作为车用燃料，可代替柴油，是21世纪最理想的超清洁燃料，同时也是重要的化工原料。

ULTRA File Encrypt is the ideal way to professional encryption from all types of files with a password. Simple and Clear interface.

ULTRA File Encrypt 是一个理想的专业加密工具，可以用口令对各种类型的文件进行加密。

The STK7300 fea- tures ultra low dropout, ideal for applications where Vout is very close to Vin.

有限元分析的STK7300宛如超低压差，应用的理想选择Vout下非常接近输入电压。

Among the 6 disinfecting methods, 5 of them except the ultra violet ray method have ideal disinfecting effect on HBsAg.

其中HBsAg阳性者166人(8.6％)，6种消毒方法中，除紫外线照射外，其余5种方法对HBsAg灭活效果均较理想。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。