1)contamination[英][k?n,t?mi'nei??n][美][k?n,t?m?'ne??n]污秽
1.Antenna temperature model of insulators contamination detected by radiometer;辐射计检测绝缘子污秽的天线温度模型
2.An on-line remote-monitoring system of insulator contamination based on GSM SMS;基于GSM SMS的绝缘子污秽在线遥测系统
3.An online monitoring system of insulator contamination;绝缘子污秽在线监测技术与系统构成
英文短句/例句
1.Foul or dirty matter.污物,污秽污秽或肮脏的东西
2.Something filthy or disgusting.秽物污秽或令人恶心的东西
3.use foul or abusive language towards.用污秽或辱骂的语言骂。
4.in a sordid or squalid way.以肮脏或者污秽的方式。
5.free from filth and pathogens.没有污秽和病原体的。
6.He insulted others with filthy language.他用污秽的语言侮辱人。
7.A squalid or filthy condition.肮脏污秽或肮脏的状态
8.living in squalid conditions住在污秽的环境中.
9.Where there's muck there's Brass.有污秽的地方就有金钱。
10.abnormal attraction to filth.反常的对污秽物的吸引。
11.Squalid or filthy; run-down肮脏的,龌龊的,污秽的
12.A foul, degraded condition or place.污秽,可鄙的境地或场所
13.the omnipresent squalor, dread普遍存在的污秽、 恐惧.
14.Filth breeds disease and vermin.污秽引起疾病和害虫。
15.The Influence of Concrete Pollution on Flashover Characteristic of Composite Insulator水泥污秽对复合绝缘子污秽闪络特性的影响研究
16.External insulation pollution classes of high-voltage electric power equipmentsGB/T5582-1993高压电力设备外绝缘污秽等级
17." I will remove both the prophets and the spirit of impurity from the land.也必使这地不再有假先知与污秽的灵。
18.I flinched at the nastiness of his wound.雪的单纯可以让你忘记所有污秽。
相关短句/例句
pollution[英][p?'lu:?n][美][p?'lu??n]污秽
1.Research and application of detecting pollution based on microwave spectrum s performance;微波波谱特性在污秽检测中的应用研究
2.The Measurement of Pollution Equivalent Salt Density and Factors Affecting Its Accuracy;污秽等值盐密的测量及影响其准确度的因素
3.On the basis of data and anti-pollution technology knowledge,lots of technology research results,such as the correction of SPS,the correction of NSDD and so on should be considered in 800kV UHVDC transmission line external insulation design and arrangement.针对污秽外绝缘设计是±800kV直流工程关键技术问题之一,提出了对±800kV直流输电线路绝缘子串进行污秽外绝缘设计考虑现场污秽度校正、NSDD校正及采用污耐压方法进行污秽外绝缘设计的方法;根据瓷、玻璃绝缘子的污耐压曲线对±800kV直流输电线路"I"型绝缘子串进行了污秽外绝缘设计。
3)contamination condition污秽状态
1.Time domain characteristics of leakage current of insulators have been used to forecast contamination condition,but abundant forecast information in frequency components of leakage current has still been ignored.针对现有染污绝缘子在线检测系统基于泄漏电流时域特征预测绝缘子污秽状态,而忽略了泄漏电流频域成分中含有丰富信息量的问题,提出了利用快速傅里叶变换(FFT)与功率谱估计相结合的分析方法,提取出泄漏电流的2个频谱特征量:3次谐波与基波幅值比κ和功率谱中高频能量与总能量之比α,作为污秽状态预测参量。
4)artificial contamination test污秽试验
1.The characteristics of leakage current(LC) were studied based on artificial contamination test,which obtained the relationship between leakage current and the influenced factors.分析了表征污秽绝缘子运行状态的特征量,比较了各特征量的特点及其适用场所,总结了影响泄漏电流的特征量,在人工污秽试验的基础上,讨论了泄漏电流在闪络过程中的特征,得出了泄漏电流与其基本特征量之间的关系,通过希尔伯特变换的方法提取了泄漏电流包络线,分析了电弧延伸在污闪发展过程中对泄漏电流的影响。
2.In this paper, statistics characteristics of leakage current were studied basing on a large number of data obtained from artificial contamination test, the factors influencing leakage current significantly were found and a regression equation was established.基于恒压净雾人工污秽试验数据,利用统计分析理论,分析了泄漏电流Ileak的特性,讨论了在人工污秽试验过程中,显著影响Ileak的因素,计算了各因素影响因子的大小,得到了电流的回归方程。
5)pollution flashover污秽闪络
1.The influence of ESDD and NSDD on flashover voltage was analyzed with single porcelain insulator(XP-210) as test sample in order to solve the damage problem of pollution flashover.针对电力系统绝缘子污秽闪络产生的危害问题,采用升压法对涂污秽物的单片瓷绝缘子(XP-210)进行人工污秽试验,分析了不同盐密(NaCl)、灰密(硅藻土)对单片瓷绝缘子闪络电压的影响。
2.The importance of study on pollution flashover was pointed out;taking concrete and NaCl as the pollution,the AC flashover characteristic of polluted composites insulators under the conditions with the same equivalent salt deposit density(ESDD) and different non-soluble deposit density(NSDD) was researched by test.针对电力系统复合绝缘子污秽闪络产生的危害问题,提出了开展污秽闪络特性研究的重要性,研究了NaCl(盐密ESDD)一定的情况下,不同水泥污秽(灰密NSDD)对复合绝缘子污秽闪络特性的影响,研究结果表明:灰密对绝缘子人工污秽闪络电压也是有影响的,闪络电压与灰密成幂函数关系,并且灰密对闪络电压的影响是独立的。
6)pollution degree prediction污秽预测
延伸阅读
污秽表面放电污秽表面放电pollutionsurfacedischarge介质表面沾染污秽时所引起的沿面放电。简称污闪。固体介质表面沾染污秽又同时变潮后,污秽层中所含的可溶性盐类和酸、碱等溶于水膜,形成离子电导,使污秽表面通过较大泄漏电流;沿面闪络电压显著降低,严重时能降低到清洁表面闪络电压的10%以下。雾、露、细雨和溶雪天气时,绝缘子甚至会在工作电压下闪络,严重影响电力系统的安全运行。因此,污闪已成为高压和超高压电工设备选择外绝缘水平的主要依据。防止污闪和提高污闪电压的措施有:①定期清扫和用水冲洗绝缘子和绝缘套管。②改进绝缘子结构使刮风、下雨时能自行清扫。③增大泄漏距离,选取合理的泄漏比矩(每千伏工作线电压需要的泄漏距离)。④给绝缘表面上半导体釉或涂硅油等憎水材料。⑤尽量使高压输电线路避开污秽区,避免在污秽区建高压变电所。600千伏交流电压下陶瓷支架发生火花放电