场致发射显微镜

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(六)月

'The Diamond Lens' by Fitz-James O'Brien, Part Two 钻石透镜 II by 菲茨詹姆斯奥布赖恩 Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice J

发表于:2019-01-12 / 阅读(139) / 评论(0) 分类 2016年VOA慢速英语(九)月

iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i

发表于:2019-01-14 / 阅读(64) / 评论(0) 分类 VOA标准英语2013年(三月)

AMERICAN STORIES - The Diamond Lens, Part OneBy O'Brien, Fitz-James Broadcast: Saturday, April 01, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called

发表于:2019-01-30 / 阅读(41) / 评论(0) 分类 2006年慢速英语(四)月

AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di

发表于:2019-01-30 / 阅读(145) / 评论(0) 分类 2006年慢速英语(四)月

How could you say you know who I am? Do you ever wonder why I'm here? The thoughts play back in your head like a film that has been stick on repeat. Imagine that this picture of me is painted for you. A portrait is made to hold a moment and moments w

发表于:2019-02-26 / 阅读(57) / 评论(0) 分类 英文摇滚歌曲
学英语单词
'od
acct.no.
acute hallucinatory mania nonsense syndrome
adjust work for position
al hawiyah
amphidiscs
anisotropic lattice force
antiskid device
Aparkan
aree
arteriolith
aurora tubes
azides
be bounden to sb for sth
Boussingault, Jean Baptiste
bovine contagious abortion
Brachyarchus
Burmish
cargo loading problem
castle manipulator
cat-a-mountain
cesium tribromomercurate(ii)
Chiskova
CO combustion promoter
co-scripter
commodity system
coquimba guangdongensis
cross-guide coupler
Deinococci
dilly dallying
dipole axis
divisi
doldrums belt
electrocatalytic reactor
elite-directed
enigmatically
explosive oscillation
FAVIIDAE
fish ladders
fitting by least squares method
fundamental symmetric function
gamma bomb
gas-tank
grease interceptor (trap)
handfastings
hexhydric
hidden agendas
hypothetical sinking fund
implicit verbal behavior
in the rough
independent enterprise
instinctment
intermodal dispersion
kiss goodby
law leather
lemon-to-amber-colored
Ligamentum cuneocuboideum interosseum
lithium cobaltite
loaden
main or first infection
Maków Mazowiecki
meat carrier
Molasse
neutral allele
Noah and the Flood
noise source coefficient
nonviolent pornography
Norak
nouveau art
novelizing
Nowe Miasto
organic membrane
parallel output
payment in installments
percentage simple correlation
persistent war gas
phycochromoprotein
pin-up
powder of five minerals
process of international adjustment
pus-basin
rattail radish
reserved shares
rock which does not cover
running threshold
selective instigation
semaphore unlock operation
sheep-path erosion
sitting-place
spot-check
stone wall phenomenon
sub-bottom profiler
supervisor call
synchronous governor
terrazzano
transverse electric wave
uv-vi
Vauclaix
versene-9
weak acid solution
widow's mites