共查询到20条相似文献,搜索用时 15 毫秒
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对新国家标准GB3836.4-2000与老国家标准GB3836.4-83的主要技术差异进行了分析对比,并对新标准中增加的技术要求及本安系统防爆检验进行了介绍。 相似文献
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介绍了ASTM标准化组织的历史及所制订的ASTM标准的种类和影响力。详细列举了ASTMB02委员会下属的B02.05和B02.11分技术委员会制定的电接触领域相关标准,根据这些标准的具体内容和相关性,按照术语和分类、电接触材料、电接触材料性能要求与测试方法、电接触过程性能与测试方法、贵金属覆盖层质量评价方法、气体环境腐蚀试验对这些标准进行了分类,并简要介绍了这些标准的主要内容和相互关系。文章还就这些标准对电接触材料生产和电接触性能检测的指导意义进行了讨论。 相似文献
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《Industry Applications Magazine, IEEE》2010,16(1):6-6
We learn about safety through stories. The narratives are recalled with a beginning, a middle, and an end. Sometimes, the stage is set for comedy. At other moments, a tragedy unfolds. 相似文献
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《Industry Applications Magazine, IEEE》2008,14(6):6-6
We arrive at this season after a year of monetary stress and business transitions. Nations have been challenged by the dynamics around energy and commodities prices. Organizations have made decisions defined by resource constraints. Families have not been spared. 相似文献
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《Industry Applications Magazine, IEEE》2007,13(1):6-6
Discusses the relative risks of electrical safety and compares it to our perceptions of the lottery and our commute to work. 相似文献
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《Industry Applications Magazine, IEEE》2008,14(4):6-6
Safety's integration at each step in the engineering process is key to our present and future reliance on emerging lighting innovation. 相似文献
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《Industry Applications Magazine, IEEE》2007,13(4):6-6
Discusses the importance of those electrical professionals who have stepped up to create a more reliable, secure, and robust infrastructure. 相似文献
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《Industry Applications Magazine, IEEE》2009,15(1):6-6
The IEEE celebrates its 125th anniversary in 2009, from beginning as the American Institute of Electrical Engineers (AIEE) over a century ago in Philadelphia. The transatlantic cable, ac or dc power, and data punch cards were existing inventions then. Did the engineers gathering in Philadelphia in 1884 realize the direction their discipline would take? 相似文献
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低压电器产品电磁兼容标准及其检测 总被引:3,自引:0,他引:3
低压电器电磁兼容性能的要求已经被列为和产品安全性能要求同等重要的地位,是产品质量最重要的指标之一.详细介绍了低压电器产品的电磁兼容标准,探讨了低压电器产品的抗扰度性和电磁发射两项电磁兼容性检测试验项目. 相似文献