钨极

If you know anyone who is deaf, then you know the cochlear implant has offered hope and help for some people. This next story may be the equivalence where restoring sight is concerned. While the science is very different and very tricky, the promise

发表于:2018-12-11 / 阅读(113) / 评论(0) 分类 万花筒2009年

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. When it comes to pain, its the thought that counts. Because pain hurts more when its inflicted on purpose. Or so say researchers from Harvard University

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(十二)月

Tree Electricity Runs Nano-Gadget A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measureable amounts of electricity, which can power tiny devices. Karen Hopkin reports If scientists have thei

发表于:2019-01-02 / 阅读(206) / 评论(0) 分类 60秒科学

If scientists have their way, we may someday be tapping maplesnot for pancake fixins, but for power. Because researchers from the University of Washington in Seattle have found theres enough electricity flowing in trees to run an electronic circuit.

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(九)月

Bionic Arm Can Move, Feel Scientists are developing an entirely new type of prosthetic arm and hand that allows a patient to regain not only movement, but also the sense of touch. American soldiers who have lost limbs in the wars in Afghanistan and I

发表于:2019-01-14 / 阅读(161) / 评论(0) 分类 VOA标准英语2011年(四月)

Brain Researchers Uncover Secrets of Memory In Memorial-Hermann hospital at the University of Texas Medical Center in Houston, Neurosurgeon Nitin Tandon visits 26-year-old epilepsy patient Tyler. Dr. Tandon has placed platinum electrodes on the surfa

发表于:2019-01-14 / 阅读(119) / 评论(0) 分类 VOA标准英语2013年(二月)

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(172) / 评论(0) 分类 实用英语

By David McAlary Washington 13 July 2006 We often hear that imagining something will not make it so. But scientists have now overturned that adage, making a science-fiction dream come true. U.S. researchers have shown that a paralyzed patient can us

发表于:2019-02-03 / 阅读(206) / 评论(0) 分类 2006年VOA标准英语(七月)

TVs are more useful than radios. From TV you can see and hear what is happening in the world. However, radios are not disappearing. They are still with us. And the number of listeners is becoming larger. Do you know why? One reason for this is the in

发表于:2019-02-13 / 阅读(175) / 评论(0) 分类 英语作文

Science and technology 科学技术 A mind to walk again 一个让残疾人重新站起来的伟大想法 A trial of thought-controlled robotic legs is taking its first steps 用思想控制的机器人腿已经开始研制 ANYONE who saw Claire Loma

发表于:2019-02-16 / 阅读(136) / 评论(0) 分类 经济学人科技系列

模仿文本: Brandy, speaking there, had suffered from a severe depression resistant to all previous forms of treatment. So had Andrea, whom you heard before her. John, by contrast, has a quite different illness, Parkinson's disease. But all three

发表于:2019-02-23 / 阅读(358) / 评论(0) 分类 英音模仿秀
学英语单词
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adultrant
balneotherapies
Bastarnae
be a bundle of nerves
box cementing
breechblock thread
broad hatchets
catramin
change port
chilter-wheat
claustrophobic
conflicting patent
congenital hypertrichosis lanuginosa
consecutive fifths
construction steel
corrugated black sheet
Cortinellus
crew working system of passenger train
critical state model
cross over
cum-soaked
CWDF
data quality control monitor
deplorer
differential steering machine
disinhibition
edmondo
element synergism
estorax
extorse
fabry perot filter
fast assembly
fixed proportions
gasbracket
geological features
gin house
Glycor
gooiest
governor head
Hellenes
hom dyne reception
Hubble's parameter
income tax treatment
instantaneous source
interactive computer aided design program
interphase of mitosis
irrefragable
ischiadic, ischiatic
Juurikkamäki
juvenilize
Karymsk
Kun'ya
li poes
Læborg
macroporosity
Mayou
McNutt I.
medical decision making
microcomputer induced polarization instrument
moddel
n. temporalis profundus posterior
newsier
non recurrent revenue
non-differentials
numerical control cutting machine
overspeed safety cut-out system
photocopiable
plan position indicator (ppi)
postpast
pre-oral gut
profit ratio of operating capital
quadrapertite
quadrature-axis component of magnetomotive force
rash from tartar emetic
red-rose
regenerative crypt
resonant gate transistor
rock-fill sheet-pile cell
San.Diego L.Rev.
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scheduled cost
scholarch
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sewer cleaner
single power set running
Skógshraun
soak time
Sovr-
student-loan
sublimely
sukar
tertiary thickening
to the question
transdown-regulation
trifluctuation
unvesseling
Vaishnava
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wedge shaped clip
Wolmar
yangoru