[电] 场离子显微镜

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(42) / 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
.va
a-beaut
All-Ordinaries Index
anathemate
anemonsite
arachnoid membrane
aromatic extraction
arthrodias
bater
bifurcation theory
body
bonelets
bush tit
business insurance trust
butter-icing
calvertons
cavezan
cerebral lobes
Chlorobacterium
class assignment
clyster-pipe
cockee
colk
colletotrichum althaeae southworth
concavo-convex game
concentrate tank
conductor surface gradients
conk-out
conus vitulinus
convivum
countervein
crop of a bird
curvometer
d-stylopine
darries
descaling
dihydrocoumarin
diplograph
diram
distributing pole
dominancies
drop oscillation feed
epiphycan
explained opinions in auditor's report
F.S.A.
featural sursery
femininities
four-eye
get one's nose in a book
high-speed winch
Imperial War Museum
indenting
intermittent oiling
isoanethole
jesuit ballets
joint suppression of enemy air defenses
kahoolawes
Labrador Sea
less-intensive
lindsaea concinna j. sm.
make a show
metaphrasing
model language
module output
Mona Quimbundo
mouse pneumonia virus
Nepeta longibracteata
nonfeasible states
not have the stomach for sth
ollas
pest-free
phospho-nitrogen system
Pivijay
plasmacytosis
play at fast and loose
pressure testing device
prosopinine
pseudo saccharin chloride
pseudosolid body
quadrinate
reinforced concrete fence
relative homeomorphism
returgescency
Sabanilla, Pta.
sense of history
shoe block
snuggler
starting characteristic curve
strigillation
strike fear
tele-operation
the stacks
timer rule
ultimate breaking load
valve push rod
video storage
weighbridge
White Father
Wichmann's asthma
wire feed speed
witco
work performed against regulation