汞干电池

Rock-Consuming Organisms Alter Views of Life Processes LOS ANGELES Kenneth Nealson can be described in many ways, including expert in microbiology and biochemistry. But that's not the one he is most proud of. People call me the 'father of Shewanella,

发表于:2018-12-08 / 阅读(42) / 评论(0) 分类 VOA标准英语2015年(一月)

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(133) / 评论(0) 分类 2009年NPR美国国家公共电台7月

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(48) / 评论(0) 分类 彭蒙惠英语

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(189) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(64) / 评论(0) 分类 英语新闻

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(78) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
accounting for the estate income
aduance
animal fat and oil
arc extinguisher
automatic signaling
back home
Belene
book society
brachymitosis
buoyancy reserve
Buxtonia
cacosplanchnia
calcaneoastragaloid
camp-on system
can bleeding
capsule stack
carbon dust resistance
Chanel, Gabrielle
Chievitz layer
Clausen's method
clear-coating
collimated light
conductor rail system
countersunk oval head screw
countersupport
divinised
drawing hand
Elatostema atroviride
erection of tank
extractum hepatis
field form
flag check
flax fibre
frankincense oil
fum
gas core
Golden Fleece
heat motion
horizontal fineboring machine
Horse House
hot-flash
hydra (ydra )
interdigitation(cells)
invalid sql statement
irrigating quota
jabba
jacquard bottom coupling
keyway cutter
lanciferous
large-scale condition
low-frequency bypass
luminophores
mass-spectrography
meliola schimicola
microcomputer induced polarization instrument
midnight-blue
Monville
muggleton
natural hazards
near water effect
notice to treat
occluding paper
one hundred ten
orbignya cohunes
palimnesis
perianal abscess
philonotis thwaitesii
phthalate anhydride
physarum alvoradianum
pityrogramma argenteas
Platysomus
polihistor
pre-cancer
primary mammal
propellant capacity
provocate
puppet ruler
PVC
Pyroglyphidae
quantity issued this month or period
rear window header crossbar
salmon-coloureds
sample likelihood function
sange
Sarcina mobilis
scope of construction item
seatest
secondary drag
serial inference computer
sofa berth
spectral color
St John's
statement of payment
stop drum
Stronsay Firth
structure analyzer
sweet sixteen
thaw bowl
to take a photograph
waterproofing pressure
white muskmelon slice