backer 60 bag
34Batteries Built by Viruses 病毒电池 says Hammond. 贝尔彻的团队包括帮助
What do chicken pox, the common 组装微型电池的宝拉·哈蒙德和以电池形
cold,the flu,and AIDS have mon? 式存储能量的专家蒋业明。哈蒙德说,“ 我
They're all disease caused by viruses,tiny 们现在从事的行业是传统中不会想到
anisms that can pass from person 的。”
to person. It’s no wonder1 that when most Many batteries are already pretty small.
people think about viruses, finding ways to You can hold A,C and D batteries6 in your
steer clear of2 viruses is what's on people's hand. The coinlike batteries that power
minds. 水痘、普通感冒、流感和艾滋病 watches are often smaller than a penny.
有哪些相似之处呢?这些都是由病毒引 However , every year , new electronic
起的疾病。病毒是能够在人与人之间传染 devices like personal music players or cell
的微生物。难怪大部分人一提到病毒,首 phones get smaller than the year before. As
先想到的是如何躲避病毒。 these devices shrink , ordinary bakeries
Not everyone runs from the tiny disease won’t be small enough to fit inside. 许多电
carriers, Cambridge , 池已经很小了。A 型、C 型和 D 型电池都
Massachusetts4, scientists have discovered 可以握在手里。硬币形状的手表电池通常
that some viruses can be helpful in an 比分币还小。然而,个人音乐播放器和手
unusual way. They are putting viruses to 机等新型电子设备变得越来越小。这些设
work,teaching them to build some of the
备变小了,普通电池就无法安装进去了。
world’s smallest rechargeable batteries. 然
The ideal battery will store a lot of
而, 并不是每个人都躲避这些病毒携带
energy in a small package. Right now,
者。在马萨诸塞州剑桥市,科学家发现有 Belcher’s model battery,a metallic disk
些病毒能起到非同寻常的作用。他们 pletely built by viruses,looks like a
毒开始工作,使病毒构成世界上最小的充
regular watch battery. But inside , its
电电池。 components are very smallso tiny you can
Viruses and batteries may seem like an only see them with a powerful microscope.
unusual pair, but they're not so strange for 理想的电池应当体积小、储能多。,贝
engineer Angela Belcher, who first came up 尔彻的电池模型是完全由病毒构成的金
with5 the idea. At the Massachusetts
属圆盘,看
2014年全国职称英语考试 理工A 重要文章字典版 来自淘豆网www.taodocs.com转载请标明出处.