1)lightning withstand level耐雷水平
1.On lightning withstand level of composite insulators;合成绝缘子耐雷水平的探讨
2.The influence of the line arrester on the lightning withstand level of 35 kV transmission lines was simulated and calculated by electromagnetic transient software ATP-EMTP.研究了在35 kV输电线路雷电"易击段"绝缘子串上并接线路避雷器来提高线路耐雷水平的方法。
3.There are two indexes to evaluate the power line performance on preventing lightning strikes: the one is the lightning trip-out rate,the other is the lightning withstand level of the power line.衡量线路防雷性能优劣的重要指标有两个:一是线路雷击跳闸率;二是线路耐雷水平。
英文短句/例句
1.Research on Factors Influencing Lightning Withstanding Level of Transmission Line in Heaviliy Lightning Areas重雷区域输电线路耐雷水平影响因素的研究
2.Study on Improving Lightning Withstand Level of 330 kV Transmission Line with Line Arrester线路避雷器提高330kV输电线路耐雷水平的研究
3.Comprehensive Research and Analysis on Lighting Withstand Level of Transmission Line关于输电线路耐雷水平的综合研究分析
4.Analysis of mathematical model of lightning resistant level after replacing the insulator in electric transmission and transformation equipment输变电设备更换绝缘子后耐雷水平的数学模型
5.Analysis on Measures of Improving Lightning Withstand Level of 10kV Overhead Insulation-covered Conductors提高10kV架空绝缘线路耐雷水平综合措施分析
6.The Effect Correlative Factors on Lightning Withstand Level of UHV A.C. Transmission Line特高压交流输电线路耐雷水平相关因素研究
7.Analysis of Lightning Shielding Failure Proof Level of UHV Transmission Lines Considering Corona Influences冲击电晕对特高压输电线路绕击耐雷水平的影响分析
8.Study on Manufacture Technology of Composite Tropedo Shells under High Hydrostatic Pressure;某型水雷复合材料耐外压壳体制造技术研究
9.Analysis of high level erythromycin resistance associated genes and horizontal gene transfer of Enterococcus faecium耐红霉素屎肠球菌耐药基因及其水平转移研究
10.The Lightning Protection Research of 35kV Weiyu Line;35kV魏玉线防雷水平的技术措施研究
11.Effect of the Horizontal Multi-layer Soil on Lightning Quantification水平多层土壤对雷电定量精度的影响
12.That depends on your level of risk tolerance.这就要看你对风险的耐受水平了。
13.testing method for flame resistance of cloth : horizontal method织物耐燃烧试验法：水平法
14.Reasearch on horizontal transferred multi-drug resistance related gene fragment of Shigella志贺菌耐多药相关基因水平转移研究
15.The Contrastive Research In Three Training Methods For Physical Endurance Improvement;三种不同耐力训练方法对提高机体耐力水平的对比研究
16.Evaluation and Training Measures of Endurance Ability for Elite Swimmers;对高水平游泳运动员耐力素质的评价和耐力训练手段的研究
17.To Step Forward to a Country with the World Class Skills--Review on Leitch Report of UK;迈向“世界一流水平的技能”——简介英国的雷奇报告
18.Investigation and study the used state of Putonghua and the language concept for ZhanJiang s college students;雷话方言区高师生普通话水平调查研究
相关短句/例句
lightning protection level耐雷水平
1.For the purpose of improving the ability of lightning protection for the high voltage power transmission line,taking account of the facts which influenced the lightning protection level,an assessment model was established and the comprehensive judgement on the lightning protection level was obtained by means of computers.为了提高高压输电线路的防雷能力,通过对影响线路耐雷水平的各项因素的分析,建立了评价模型。
2.The formula for the calculation of the lightning protection level of the transmission line is revised by theoretic deduction for the rational determination lightning protection level and lightning trip-out rate of the transmission line.为了合理设计输电线路的耐雷水平及雷击跳闸率,通过理论推导,修正了现有规程的输电线路耐雷水平计算公式。
3)lightning withstanding level耐雷水平
1.To enhance lightning withstanding level of 500 kV transmission line along mountainsides,a novel approach was proposed.为了提高山区500 kV输电线路耐雷水平,提出了在易遭受绕击的边相安装单支线路悬挂式金属氧化物避雷器、在另外一个边相增加绝缘子片数的不平衡绝缘方法。
2.According to the specific structure of towers,the lightning withstanding level of 330kV transmission lines with line metal-oxide arrester(MOA)is analyzed.根据具体的线路杆塔结构 ,采用线路金属氧化物避雷器对 3 3 0 k V线路的耐雷水平进行了计算分析 ;具体比较了安装线路避雷器和未安装避雷器时雷击塔顶及雷击相线的耐雷水平 ;分析了雷电流的波形、接地电阻、档距、避雷器技术条件对输电线路耐电水平的影
3.The lightning withstanding level of 500 kV Chang-Fang compact designed transmission line can be greatly improved with installed line surge arresters on transmission towers.５００ ｋＶ昌房紧凑型线路采用线路避雷器后，能较大地提高线路的耐雷水平。
4)lightning impulse withstand level耐雷水平
1.For the sake of increasing the lightning impulse withstand level of 110 kV transmission line, MOA is adopted.对采用金属氧化物避雷器提高110 kV输电线路易击段与易击杆塔的耐雷水平进行了计算分析。
5)lightning resistance abilit耐雷击水平
6)line lightning resistant level线路耐雷水平
延伸阅读
光敏耐腐蚀耐电镀印料分子式：CAS号：性质：系指通过紫外光照射固化的一类抗蚀印料，分为:(1)耐腐蚀型，稀碱溶液去膜，能耐酸性腐蚀；溶剂去膜，能耐酸及碱腐蚀。(2)耐电镀抗蚀型，稀碱溶液去膜，耐酸性电镀液，溶剂去膜，耐弱碱性、酸性电镀液；(3)堵孔型印料，碱溶；(4)加强抗蚀型，去除型(耐化学镀铜)和永久覆盖型。由碱溶性感光高分子树脂、光敏引发剂、活性稀释剂、触变剂、流平剂、着色剂等组成。将上述组分在预混合器中进行搅拌混合，再经三辊机碾磨后配制成产品。无溶剂，无气味，不污染环境，很少有针孔。在印刷中黏度不变化，具有良好的丝网印刷性能。稀碱溶液去膜，能耐三氯化铁、氯化铜、过硫酸铵等酸性蚀刻，耐硫酸铜、铅锡合金及金银等酸性电镀液腐蚀。用于丝网图形蚀刻法和图形电镀法制造印制电路图形，也可用于化学蚀刻法制造精密的金属零件和图形。
