[化] 铬酸锂

【英语语言学习】滑板车“火”起来了吗

SCOTT SIMON, HOST: One of the hottest gifts of the season is a little too hot, hot enough to catch fire. Hoverboards have been burning up because of problems with their lithium-ion batteries. And lithium-ion batteries are in a lot of things these day

发表于:2018-12-28 / 阅读(60) / 评论(0)

英语语言学习

美国发明家的电池技术或改变世界

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(51) / 评论(0)

2017年VOA慢速英语(五)月

VOA慢速英语--Demand for Lithium Creates ‘Water War’ in Chile

Parts of Chile are facing a growing water crisis. The Reuters news agency reports the government is taking steps to protect the countrys water supplies from mining operations. But for many years, the Chilean government approved water extraction right

发表于:2019-01-03 / 阅读(65) / 评论(0)

2018年VOA慢速英语(九)月

VOA慢速英语--科学家研发可永久循环使用电池

Batteries That Last Forever Could Be Near 科学家研发可永久循环使用电池 We all have daily problems with technology, but how many of us can fix them? Mya Le Thai is a scientist studying at the University of California, Irvine. She recentl

发表于:2019-01-12 / 阅读(42) / 评论(0)

2016年VOA慢速英语(五)月

收购非洲最大铜矿中国长远布局钴供应

As China Molybdenum announced it was buying one of Africas largest copper mines earlier this month one thing was soon clear: the acquisition was about far more than the red metal. 随着洛阳钼业(China Molybdenum)本月早些时候宣布正在收购

发表于:2019-02-08 / 阅读(45) / 评论(0)

英语新闻

你应不应该整夜给手机充电?

Chances are, you plug in your phone before you go to bed at night, thinking it's best to greet the morning with a fully charged device. 晚上临睡前，你可能会给手机充上电，想着第二天早上看到一部电量满格的手机。 Is th

发表于:2019-02-13 / 阅读(111) / 评论(0)

英语新闻

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ace of aces

assumed maximum extent of damage