化学增氧

By Cynthia Kirk Broadcast: August 15, 2003 This is Bill White with the VOA Special English Environment Report. In the United States, the Army has started to destroy old chemical weapons at a base in t

发表于:2018-12-01 / 阅读(241) / 评论(0) 分类 VOA2003(下)-环境与健康

UN Under-Secretary-General Angela Kane is due to arrive in Damascus later today to push for access to the site of alleged chemical attacks for UN inspectors. The move comes after the Syrian opposition accused President Bashar al-Assad's forces of kil

发表于:2018-12-02 / 阅读(208) / 评论(0) 分类 世界各地新闻集锦

The Syrian government is denying allegations being made by rebel forces that the Syrian military has deployed chemical weapons in fighting in the suburbs of Damascus. Su Yi has the details. The Syrian opposition is accusing President Bashar al-Assad'

发表于:2018-12-19 / 阅读(136) / 评论(0) 分类 世界各地新闻集锦

Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig

发表于:2019-01-02 / 阅读(225) / 评论(0) 分类 60秒科学

Syria and Russia say the United States has lied about chemical weapons attacks in the Syrian conflict as a way of blocking efforts to end the fighting. A Syrian foreign ministry source condemned what it called lies and allegations by U.S. Secretary o

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 2018年VOA慢速英语(一)月

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(188) / 评论(0) 分类 2018年VOA慢速英语(五)月

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(194) / 评论(0) 分类 Scientific American(八)月

By Steve Herman Bhopal, India 08 January 2008 Dow Chemical, the world's second-largest chemical manufacturer, is facing difficulties trying to expand in India. The company is haunted by the 1984 leak of methyl isocyanate, one of the most lethal chemi

发表于:2019-01-07 / 阅读(225) / 评论(0) 分类 VOA标准英语2008年(一月)

AS IT IS 2016-03-13 US Holds IS Fighter Who Was Key to Chemical Weapons U.S. military officials say they captured a key person in the Islamic States chemical weapons program in Iraq. The IS operative was captured by American special-operations forces

发表于:2019-01-12 / 阅读(186) / 评论(0) 分类 2016年VOA慢速英语(三)月

Common Chemical May Damage Teeth A chemical compound thats been linked to a number of health problems in animal studies may also damage tooth enamel in humans. BPA is found in many resins and plastics that people use everyday, such as water and baby

发表于:2019-01-14 / 阅读(211) / 评论(0) 分类 VOA标准英语2013年(六月)

MARY LOUISE KELLY, HOST: We're going to revisit a community hit hard by Hurricane Harvey. Crosby, Texas, is home to a chemical plant owned by the company Arkema. After that plant lost power in the storm, trailers of unstable chemicals caught fire and

发表于:2019-01-16 / 阅读(160) / 评论(0) 分类 2017年NPR美国国家公共电台11月

In the wake of several serious chemical pollution incidents, China's Ministry of Environmental Protection says it will begin a nationwide inspection of all certified producers of dangerous chemicals of their pollution control measures. As Liu Yan rep

发表于:2019-01-19 / 阅读(177) / 评论(0) 分类 世界各地新闻集锦

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(189) / 评论(0) 分类 实用英语

Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right

发表于:2019-02-07 / 阅读(174) / 评论(0) 分类 好听的英文歌曲

音乐+爱情的化学反应:Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush,稍微有些中规中矩,和专辑中电音味道更重的歌比起来,有些收敛

发表于:2019-02-11 / 阅读(154) / 评论(0) 分类 经典英文歌曲

音乐+爱情的化学反应:Chemical Rush Artist:Brian Mcfadden Song:Chemical Rush Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white F

发表于:2019-02-17 / 阅读(178) / 评论(0) 分类 流行英文歌曲

音乐+爱情的化学反应:Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush,稍微有些中规中矩,和专辑中电音味道更重的歌比起来,有些收敛

发表于:2019-02-18 / 阅读(187) / 评论(0) 分类 英文摇滚歌曲

Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right through my bones Keep coming

发表于:2019-03-02 / 阅读(206) / 评论(0) 分类 英文摇滚歌曲

今天我们要学的词是 chemical attack. Chemical attack 化学武器袭击。The United States launched a missile attack on Syria for its alleged chemical attack on civilians. 因据信叙利亚对平民发动的化学武器袭击,美国对叙利

发表于:2019-03-07 / 阅读(232) / 评论(0) 分类 英语单词荟萃

What Is Fire? 火是物质燃烧过程中散发出光和热的现象,是能量释放的一种方式。火焰分为焰心、中焰和外焰,温度由内向外依次增高。燃烧过程必须有可燃物、燃点温度、氧化剂三项并存,缺一

发表于:2019-03-09 / 阅读(336) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acid proof asphalt varnish
alpha helix
ampicillins
armored lead cable
aspectable
auctive
big-eye scad
bileptons
blue sheet
cartilage protein
chyladenectasis
clearing damp
combatants
condensate re-evaporation
coniferophytes
cotton paper
coupling with rubber plates
cousin-montauban
Cunning Stunt
decentralized data processing network system
elastic semi-infinite body
electromagnetic fuze
endstation
eolomotion
full-paid stock
Genesee Depot
grooved cylindrical pin
growth of cast iron
H chart
Hausweiler
henriksens
High Society Car
hostile
ideal moisture condition
implicit association test (iat)
inactive queue of task
included sapwood
industrial software
inradiate
inward-oriented
johansen
jujus
Karsznice
kon-tikis
kurds
Lapsana apogonoides
local government inspection
Lombardy erysipelas
loosened carbon
matriarchs
mavis skate
medicine and pharmacology
Nacalniotitasilite
north sea
o'ed
on leaver
operations income
over-lavishness
panzeractinometer
perficient
pincushion distortion equalizing
pinlike
plesiops oxycephalus
potyvirus tobacco vein banding mosaic virus
pregnine
preoccupations
proportional control factor
Ptychobarbus conirostris
radiomimetic effect
saftware house
Schilling blood count
self-sustaining discharge
shrthnd
silvered capacitor
sine-bar
Sinkāt
solar flux unit
sorners
spherically dished head
SRUF
standard term
stream media
suboralis
subscaposa
superexcel
swyping
talipot (palm)
the same old game
there are many ways to skin a cat
track predictor
traditional festivals
transmission characteristics tester
tricot weave
tsentralnies
uncommuted
undeprivable
ungrounded system
Utterslev
vendor part modification
web view
well-hung
wheel away