查询词典 insulation work

Volcanic rock called "tufa" is perfect insulation material which keeps the temperature between 17 - 20 degrees Celsius throughout the year.

一种叫"Tufa"的火山岩是一种绝好的隔离材料。它可以使房间的温度常年保持在17-20摄氏度。

To evaluate the severity of damage and identify the damaged winding s, this paper presents a method that uses the comprehensive information, including the value and waveform of the fault current, insulation resistance, oil-dissolved gas analysis, winding resistance, turns ratio, deformation detection, and it is of significance to the fault elimination.

介绍了综合利用短路电流值和波形、绝缘电阻、色谱、直流电阻、变压比、绕组变形等资料和手段判断大型变压器低压侧出口短路事故的严重程度、被损坏绕组的相别，为故障的处理提供参考。

Gas insulated switchgear ; partial discharge ; ultra high frequency method ; finite-difference time-domain ; high voltage insulation technology

气体绝缘组合电器；局部放电；超高频法；时域有限差分法；高电压绝缘技术

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。

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。

The results showed that the character of baked Ulva pertusa still declined obviously even after the deactivation of enzyme.Oxygen insulation,low water content and lower storage temperature were the most important factors which could slow down the declining speed of the characters of baked Ulva pertusa during storage.

研究结果表明，烤石莼在酶失活后仍然存在明显的品质下降的现象，隔氧、低含水量和低温贮藏是减缓烤石莼贮藏中品质下降速度的重要条件。

Gear axle to the shape of the craft and die design process works is first semifinished materials to forging temperature after heating system unburnt earthenware into account the type described in a certain temperature conditions, the need to blank out preheat, heating, thermal insulation; Use Moduan processes.

齿轮轴的成形工艺及模具设计的工艺工程是，先把坯料加热到锻造温度后再放入到制坯型腔内，在一定温度条件下，需要对毛坯进行预热、加热、保温处理；采用模锻工艺。

Make sure that all cables and plugs are in good condition and the insulation is complete and undamaged.

保证所有的电线和插座都在良好状态，彻底绝缘和无损。

Their coat is short, but has an undercoat to act as insulation from cold or heat.

它们的毛虽然短，但还是有内层绒毛起隔热作用，抵御寒冷和酷暑。

Their coat is short but has an undercoat to act as insulation from cold or heat.

它们的毛虽然短，但还是有内层绒毛起隔热作用，抵御严寒和酷暑。

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。