托福阅读材料之心跳也能发电!.docxVIP

智课网TOEFL备考资料 托福阅读材料之心跳也能发电！ 您当前的位置 ? 智课教育官网 ? 托福 ? 托福阅读 ? 文章正文  出国英语考试有哪些 雅思6.5是什么水平 雅思阅读评分标准 托福阅读评分标准 雅思和托福的区别  The human heartbeat could be used to power an ipod after scientists developed a tiny chip which uses the bodys own movement to generate power.  如果科学家们能改进一种用人体自身活动发电的微型芯片，那么将来ipod就可以靠心跳来充电了。  Scientists hope that as the nanotechnology used in the chip evolves, it could lead to electronics which dont require batteries or mains power.  科学家们希望，随着在芯片内所运用的纳米技术不断进步，以后可以生产出不需要电池或系统供电的电子产品。  Hailed as a milestone, it can use tiny movements such as the pinch of a finger to generate power.  这被认为是里程碑式的进步，它将使诸如手指轻轻一捏这样的细小动作也能产生电能。  The team, presenting their findings at the National Meeting Exposition of the American Chemical Society, have used it to power LCD displays and diodes, as well as to transmit a radio signal once its generated power has been stored.  研究这一项目的科学团队在美国化学会年会上展示了自己的研究成果，他们用芯片为液晶屏幕和两极真空管充电，并用充完电的机器传播广播信号。  The latest device is thousands of times more powerful than its predecessors, allowing scientists to take the technology out of the lab for the first time.  科学家们必威体育精装版研究出的装置比以前的那些强大了数千倍，这使他们第一次可以将这项技术带出实验室。  The technology works by using zinc oxide nanowires, which generate electricity when strained or flexed.  它运用了氧化锌纳米线，氧化锌纳米线在被拉紧或收缩时都会发电。  This mean virtually any body movement - from walking to a heartbeat - can generate power.  这就意味着从步行到心跳，几乎任何一个身体动作都能产生能量。  Five nanogenerators working together produced about 1 micro ampere output current at 3 volts about the same voltage generated by two regular AA batteries.  5个纳米发电机同时工作可以产生1微安培3伏特的输出电流，与2节普通的5号电池所产生的电压差不多。  Dr Zhong Lin Wang, of Georgia Institute of Technology said: While a few volts may not seem like much, it has grown by leaps and bounds over previous versions of the nanogenerator.  佐治亚理工学院的王中林教授说：“也许这么点电压看上去很不起眼，但是比起过去的纳米发电机已经有了飞跃。”