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手表和计算器上的电池可望延长其使用时间达5～10倍。这是由于新的显示材料使计算器显示更清楚。这种新的显示材料是一种钨-氧化合物,当有电作用时它可变成蓝色,而且在没有电后仍然不消失,直至一个反电流才消去其蓝色。电仅用来改变表面上的数字而不是用来维持整个程序和显示。目前,表和计算器的显示需要一个恒定电源,如果能量耗尽,它就消失。佛罗里达大学的工程师已经写了专利披露他们的工作,出版关于钨-氧电致色技术的任何专利都将赋予佛罗里达大学,它将批准这个技术。该工作是由美国陆军研究办公室资助的。
Watches and calculators on the battery is expected to extend its use of time up to 5 to 10 times. This is because the new display material makes the calculator display more clearly. This new display material is a tungsten-oxygen compound that turns blue when it is energized and does not disappear without electricity until a countercurrent sheds its blue color. Electricity is used only to change the numbers on the surface rather than to maintain the entire program and display. Currently, the display of meters and calculators requires a constant power supply, which disappears if the energy is depleted. Engineers at the University of Florida have written a patent to disclose their work, and any patent that is published about the tungsten-oxygen electrochromic technology will be given to the University of Florida, and it will approve the technology. The work is funded by the U.S. Army Research Office.