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本实用新型公开了一种应急制氧手机,其包括手机本体和制氧装置,所述制氧装置包括风扇、富氧膜和呼吸口罩,所述风扇与手机本体电连接,风扇的出风口依次设富氧膜和呼吸口罩。本实用新型携带方便,只要随身携带着手机,就相当于携带着应急制氧装置;可以在火灾发生时或者中老年人发病时给予用户急需的氧气支持,大大减少危险系数;结构简单,且可以重复使用。 [Detail]
一、项目基本情况 本项目基于电磁超声无损检测技术,将多通道的电磁超声表面波探头安置在钢轨上,能够实现高铁轮对踏面高速的在线探伤,具有无需声耦合剂、环境适应能力强、探伤效率高等特点。 本项目设计的探伤系统主要技术指标包括: (1) 检测速度:45 km/h; (2) 检测精度:长度10 mm,深度2 mm的轴向裂纹; (3) 检测深度:10 mm; (4) 轮对直径:800 ~ 1000 mm; (5) 具有缺陷自动判别、报警功能; (6) 工作温度:- 40 ℃ ~ 50 ℃。 本产品可广泛适用于国内客运..... [Detail]
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