![]() Surface chemical analysis - Auger Electron spectroscopy and X-ray photoelectron spectroscopy - determination of lateral resolution, analysis area, and sample area viewed by the analyser 表面化学分析 俄歇电子能谱和X射线光电子能谱 横向分辨率、分析面积和分析器所能检测到的样品面积的测定 |
![]() Functional safety of electrical/Electronic/programmable electronic safety-related systems - Functional safety and GB/T 20438 电气/电子/可编程电子安全相关系统的功能安全 功能安全概念及GB/T 20438系列概况 |
![]() Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic switches 家用和类似用途固定式电气装置的开关 第2-1部分:电子开关的特殊要求 |
![]() Opto-Electronic-opto bidirectional wavelength converter for plastic optical fiber transmission system - Part 1: Wavelength converter between 650nm and 1550nm (or 1310nm or 850nm) of 100Mbps ethernet 塑料光纤系统用光-电-光双向波长转换器 第1部分:百兆以太网650nm与1550nm/1310nm/850nm波长转换器 |
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