[化] 科赫酸; α-萘胺-3,6,8-三磺酸

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(147) / 评论(0) 分类 (科普英语)Earth and Sky

Children's Asthma Not Eased by Anti-Reflux Drug Seventeen-year-old Alaina Kvapil was diagnosed with asthma when she was 13. When you have an asthma attack, your airways actually close up and people dont realize that you cant breathe, you cant get the

发表于:2018-12-16 / 阅读(66) / 评论(0) 分类 VOA标准英语2012年(一月)

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(182) / 评论(0) 分类 知性英语

SCIENCE REPORT — March 7, 2002: Alzheimer’s Disease By Nancy Steinbach This is the VOA Special English Science Report. Medical researchers say a new study shows a link between the mental condition

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 科技之光

Breaking With Trump's GOP, Koch Brothers Praise Democrats On Immigration DAVID GREENE, HOST: The Koch brothers are billionaire libertarians who have spent massive amounts of money to support Republican candidates and causes over the years, pushing a

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(143) / 评论(0) 分类 60秒科学
学英语单词
AC-BLOCk
advanced lines
after wort
Ar.M.
arrector pili
Audibert-Arnu dilatation
baitware
black-level
break someone's fall
briary
bufotalidin
canadyne
Caribbeanists
cava
centi-ampere
colchium seed
condenser temperature
Contract of deposit
Corymborkis veratrifolia
cove beach
CR (compressive ratio)
crea-ture
creakier
cremnion
cucumaroside
dead smooth
dialogue de sourds
direct current power circuit apparatus
disorder of thyrocalcitonin secretion
dominant wave-length
dropping strength
electro-optical deflection
electrolytic formation machining
element of a surface
email archiving
energy circuit
ex-far
extreme moments
face-cone
faxlore
final inspecting
general license
geobiocenosis
haille
half-hard
hamachi
homalothecium tokiodense(mitt.) besch.
horizontal sync circuit
introcurved
jizya
limp collar
LSD system (liquid shutdown system)
Lövstabruk
malarial nephritis
Malolo Barrier Reef
mesfins
micropaedic
motel
multilayer tropical forest
Nances Bonitos
National Front
non-market borrowing
nondecane
oak varnish
orthopneic
page backward
parays
parenchymography
partial response maximum likehood
pemphix
pinlay
pocar
purple onion
qingheiites
railway stamp
recursive least squares
relative knowledge
repot
Rhododendron valentinianum
rodacy
roller-cutter
sage grouse
santonin rash
saviourhood
Schizopteridae
seismogeomagnetism
shown our teeth
terms of an agreement
the sitting is open
theers
Treitz's muscle
Trichodectes
Tulagi
tune on
vainglory
verticils
waqif
width of vestigial sideband
X-ray shield door
zamil dance (arabia)
zenith angle
zoloperone