[化] 溴铂酸

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(146) / 评论(0) 分类 (科普英语)Earth and Sky

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(181) / 评论(0) 分类 知性英语

By Melinda Smith Washington, D.C. 02 January 2007 watch Proton Pump report A basic tenet often associated with the practice of medicine is that physicians do no harm.' But even with the best intentions, sometimes a drug prescribed for one ailment ca

发表于:2019-01-04 / 阅读(87) / 评论(0) 分类 2007年VOA标准英语(一月)

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(57) / 评论(0) 分类 健康与环境

Folic Acid Supplements Shown To Reduce Risk Of Autism Green, leafy vegetables, fruits and nuts naturally contain folate, a B vitamin that helps the body make healthy new cells. Most pre-natal vitamins include folic acid because it protects against de

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2013年(四月)

By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid

发表于:2019-01-16 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(六月)
学英语单词
aberration defect
acetylation number
air horn
airport terminal
aluminium wire cloth
angle of rest
approve oneself
arachidonic
assert a claim
association of graduate schools
baby minders
bachu
Baetic Cordillera
below there
bequests for reduction of national debt
biostabilizations
bleaunt
blumea chinensis dc.
BNL injector linac
bonne
boustrophedon
brake linkage
broken through
cadena
campanula rapunculoidess
Chernigovskoye
cliff-hangers
copper cyanide
Court Nunatak
cray-1
denty
Dical
dubbing director
eafes
education software
eight-page
elin
enter a judgement
ethyl phenyl sulfide
experimental microbiology
gainzas
green-gray
gst-t
haematid
high-energy electronics
Hurwitz sector
hydraulic spray nozzle
incipient enrichment
income theory of money
incompatible finite element
Internet roaming
intrauterine pneumonia
irritabillity
jumping hours jumper cover
kala
Khocho
killing spree
leaf roller moth
lipoprteins
lipotype
Luenberger observer
methylbromide
mosaic telegraphy
mournfully
murals
mutatis
near ultra violet
New Market
no defect
nuwaub
opics
opsonophagocytic
outslug
patience on a monument
permanent albumin standards
planar linkage mechanism
porous mass
prediction gain
Q-communication
recent trends
refractory oxide crucible
regional bell operating companies
relocatable entry address
resident error recovery routine
retinervus
sampled data computer
savours
scarletite
sewn
sewn up
shipper's copy
shop chart
shuttle lifter
small borrower
solkan
somewhere else
sticta wrightii
Suecophiles
toxogonin
transport in production process
travkins
trophallaxis