压汞法

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(135) / 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(50) / 评论(0) 分类 彭蒙惠英语

STEVE INSKEEP, HOST: Philadelphia is looking at a new tool to fight opioid addictions - supervised injection sites. That's where people can safely inject heroin or other opioids under medical supervision. It would be the first such site in the U.S.,

发表于:2019-01-16 / 阅读(61) / 评论(0) 分类 2018年NPR美国国家公共电台1月

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(190) / 评论(0) 分类 科技之光

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)

By Cindy Saine Washington 08 January 2008 The U.S. Supreme Court this week heard oral arguments challenging the use of lethal injections to carry out executions in the United States. The case under consideration comes from Kentucky, where two death r

发表于:2019-02-06 / 阅读(72) / 评论(0) 分类 VOA标准英语2008年(一月)
学英语单词
alpha waves
anchi-eutectic rocks
angioplany
asplenium apogamum
backa palanka
backing sand
bcms
binato-palmate
bond-trading
Canterbury Tales, The
car ceiling
carry over to the next term
celery-topped pine
Christian Science
completely elastic collision
continuous normalized linear optimal design
core disk
counterfires
crack tip radius
crank angular position
dargo
decalogues
delapsed
die stamp
diesel-electric locomotives
direction-selective sensing
double birdie
down-regulation
drum track
Duff-Bills phenolic aldehyde synthesis
elfin woodland
faffin'
feminines
fermentings
gloze
gryglewski
height of arc
horton-magath-brown(disease)
independent shopping guide
interplant
irradiation sample
Jaskolskiite
Julianadorp
kerbed
kissing comfits
kornerupines
krenite
lathe-hedd
lemniscus
long - term effect
macrophysically
mechanical regenerative braking
mediate evidence
microhardness number
morfamquat
multi bundle fiber cable
multigrid tube
multiphase shift keying
N.Dak
no climbing
non liquent
non-isostatic warping
nonaperone
operational power supply
original source statement
packaged air conditioner
patriarchalists
physical protection section for nuclear material
pico-radian
pinus penzeliana hand.-mazz.
pollinized
posterior axillary fold
programmable plotting board
pull the wool over sb.'s eyes
pumpkin
put dibs on
Ranunculus muscigenus
reinducted
reverting to
seerships
shell mold press
shirker
special effects amplifier
standard machinery and electric products
sulfuratted hydrogen
takkies
tank patch
Taravo
target voltage
tartramates
temperaments
tool room
trent codices
tube transformer
turkmen monetary units
ultraviolet flame detector
Umri
unvalidated
user-managed
vocalic alternation
work schedule
worm rack