矿石显微镜

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(43) / 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(146) / 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
.bj
a data interchange system (adis)
after top center
ahbs
Anneslea lanceolata
anode feed resistance
antiparasitic agent
appeal a decision
at gunpoint
bahnhof
Bange Angola
basin dam
beam-foil spectroscopy
bengkaliss
bitumen-impregnated
boyle mariotte's law
Caaba
canonship
catchplate
chromoflavine
clock overtime
colletotrichum althaeae southworth
confirmed diagnosis test
constant - current source
Crecente
critical build-up speed under rheostatic braking conditions
cut someone short
cutireaction
dam-daughter comparison
decinem
dentaria bulbiferas
derezzed
dessiatines
differential value
direct current supply
drug-resistance bacteria
durand-zunin(syndrome)
Edward's syndrome, Edwards' syndrome
end-season pollination
evaporities
eye-winker
faberg
fenamates
fill house
flame couple
flood routing
fryings
gain an advantage of
give advice to
glyceolinIV
goetze
halogenated ethylene-propylene-diene-terpolymer rubber
have a heat on
have been doing
having got
hay master
heat-phlegm syndrome
hitching-bar
identification record
in a rush
internet protocol (ip)
intrications
Jobsian
judiths
kappa
keystroked
La Pesga
laitakarite
leaf spring assembly
Manston Airport
molding wash
noddy
nonsealable
occultation of fixed star
ostial stenosis of coronary artery
p class
Pilea monilifera
policy of atomic blackmail
proserpines
relief cylinder
retaining nut
Schmidt hammer
skill-oriented
small bore
solar-terrestrial phenomena
sonnetizing
spun-dyed fibre
star bowl
steamhammer
straight-pull
suitable containerizable cargo
sulfadimoxinum
sumie
technical memorandum
the woman
tonno
trivalent rare-earth molecular vapor laser
Tynesider
variable-moderator reactor
wooohs
yaw wind
zone of scatter