本文叙述了自然污秽绝缘子在试验室得到的各种特性,提出了污秽绝缘的电压裕度系数和用于系统绝缘监视的临界泄漏电流值,给出了污秽绝缘子雾闪电压与盐密间的回归曲线。本文还探讨了人工污秽试验的等价性。
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[Quantitative determination of tetrodotoxin in poisoned biological samples by two-dimensional liquid chromatography-tandem mass spectrometry]. [PDF]
Fang L, Qiu FM, Wang YC.
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[Determination of furosine in liquid milk by high performance liquid chromatography-quadrupole time-of-flight mass spectrometry]. [PDF]
Yao GH +6 more
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[Advances in the application of ion chromatography-mass spectrometry in the fields of life and health]. [PDF]
Yi YX, Jin MC.
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[<i>Sangma Zhike</i> Formula alleviates airway inflammation and hyperresponsiveness in rats with postinfectious cough by inhibiting the TRPV1-SP/CGRP and pyroptosis pathways]. [PDF]
Yang Q +7 more
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供电系统中的接线端子在服役过程中会出现镀层脱落、氧化发黑等问题,造成接触电阻增大从而发生过热,影响接线端子的使用性能。文中利用电力复合脂涂覆在表面损伤的接线端子,参照相关标准,分别对未损伤、损伤以及涂覆电力复合脂的接线端子进行接触电阻试验、温升试验、温度变化试验以及盐雾腐蚀试验,来对比研究电力复合脂对损伤接线端子电气性能的影响。结果表明:损伤和涂覆电力复合脂接线端子的初始接触电阻值均小于未损伤接线端子;损伤和涂覆电力复合脂的接线端子温升明显低于未损伤的接线端子,温升降低1~2℃;经过盐雾腐蚀试验后 ...
王超, 张善霞, 李宏卿, 黄诗铭
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[Effects of nicotine exposure on endogenous metabolites in mouse brain based on metabolomics and mass spectrometry imaging]. [PDF]
Guo LL +10 more
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The Science Behind Automotive Decorative Stainless Steel: Aesthetic Diversity and Superior Corrosion Resistance [PDF]
Leiming GU
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本文报告了高压直流换流站用支柱绝缘子伞形对污秽性能的影响.把现场测定的污秽程度用于清洁雾法人工污秽试验的污秽度.现场测试表明0.005mg/cm2及0.05mg/cm2盐密可分别代表清洁和污秽最高值.人工污秽试验时润湿条件对试验结果影响至关重要 ...
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[Rapid determination of chlorate and perchlorate in tea by ion exchange chromatography-tandem mass spectrometry]. [PDF]
Ye ML +7 more
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