VOA标准英语2015--高分辨率显微镜让研究员更好观察小世界

High-Resolution Microscope Brings Tiny Worlds Closer to Researchers 高分辨率显微镜让研究员更好观察小世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses na

发表于:2018-12-08 / 阅读(44) / 评论(0)

VOA标准英语2015年(十月)

VOA标准英语2010年-'Cooking' Cancer Cells Could Kill Them

An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ

发表于:2018-12-16 / 阅读(74) / 评论(0)

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VOA标准英语2010年-Gold is Hottest Thing in Cancer Treatm

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. Cancer treatments usually involve powerful drugs or radiation. But

发表于:2018-12-16 / 阅读(79) / 评论(0)

VOA标准英语2010年(十)月

VOA双语新闻 - 用古老的热疗法治疗癌症

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. 科学家们正在利用一种古代技术来治疗癌症。在纳米

发表于:2018-12-19 / 阅读(64) / 评论(0)

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TED演讲:在体内寻找癌细胞的小颗粒(2)

Now as engineers, we think of this as straight-up miniaturization. 作为工程师，我们认为这个就是直接微型化。 You took a big thing and you made it little. 你带来一个大东西并且把它变小。 But what I told you before abou

发表于:2019-01-03 / 阅读(60) / 评论(0)

TED演讲科学篇

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

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VOA常速英语2015--高清显微镜探索微型世界

高清显微镜探索微型世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses nanoparticles to make better cleaning products, while pharmaceutical companies use them for

发表于:2019-01-14 / 阅读(99) / 评论(0)

VOA标准英语2016年(一月)

银纳米粒子将防治真菌病害

银纳米粒子将防治真菌病害 Large farms use various chemicals to fight fungi and bacteria that attack crops, and others such as e. coli that are harmful to humans. 大规模农作物产地都会使用化学产品来抵御损害农作物的真菌

发表于:2019-01-14 / 阅读(111) / 评论(0)

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VOA标准英语2015--研究人员表示新的纳米粒子可能取代化学农药

Researchers: New Nanoparticles May Replace Chemicals in Pesticides 研究人员表示新的纳米粒子可能取代化学农药 Using pesticides to battle harmful bacteria that attack fruit and vegetables has its downside, releasing harmful chemicals

发表于:2019-01-14 / 阅读(119) / 评论(0)

VOA标准英语2015年(八月)

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